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server: Add more elaborate startup messages. (#2731)

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These messages based on our prep stage during XL
and prints more informative message regarding
drive information.

This change also does a much needed refactoring.
This commit is contained in:
Harshavardhana 2016-10-05 12:48:07 -07:00 committed by GitHub
parent 63a7ca1af0
commit 6494b77d41
61 changed files with 1505 additions and 1340 deletions
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4
cmd/api-errors.go
View File

@ -645,7 +645,3 @@ func getAPIErrorResponse(err APIError, resource string) APIErrorResponse {
return data
}
func getErrMalformedCredentialDate(malformedDateStr string) {
}

7
cmd/api-router.go
View File

@ -24,7 +24,12 @@ type objectAPIHandlers struct {
}
// registerAPIRouter - registers S3 compatible APIs.
func registerAPIRouter(mux *router.Router, api objectAPIHandlers) {
func registerAPIRouter(mux *router.Router) {
// Initialize API.
api := objectAPIHandlers{
ObjectAPI: newObjectLayerFn,
}
// API Router
apiRouter := mux.NewRoute().PathPrefix("/").Subrouter()

2
cmd/benchmark-utils_test.go
View File

@ -35,7 +35,7 @@ func prepareBenchmarkBackend(instanceType string) (ObjectLayer, []string, error)
if err != nil {
return nil, nil, err
}
obj, err := makeTestBackend(disks, instanceType)
obj, _, err := initObjectLayer(disks, nil)
if err != nil {
return nil, nil, err
}

56
cmd/bucket-notification-handlers_test.go
View File

@ -9,7 +9,6 @@ import (
"io/ioutil"
"net/http"
"net/http/httptest"
"sync"
"testing"
)
@ -157,19 +156,6 @@ func TestSendBucketNotification(t *testing.T) {
}
}
func initMockEventNotifier(objAPI ObjectLayer) error {
if objAPI == nil {
return errInvalidArgument
}
globalEventNotifier = &eventNotifier{
rwMutex: &sync.RWMutex{},
queueTargets: nil,
notificationConfigs: make(map[string]*notificationConfig),
snsTargets: make(map[string][]chan []NotificationEvent),
}
return nil
}
func testGetBucketNotificationHandler(obj ObjectLayer, instanceType string, t TestErrHandler) {
// get random bucket name.
randBucket := getRandomBucketName()
@ -196,8 +182,8 @@ func testGetBucketNotificationHandler(obj ObjectLayer, instanceType string, t Te
// Register the API end points with XL/FS object layer.
apiRouter := initTestAPIEndPoints(obj, []string{
"GetBucketNotificationHandler",
"PutBucketNotificationHandler",
"GetBucketNotification",
"PutBucketNotification",
})
// initialize the server and obtain the credentials and root.
@ -212,7 +198,7 @@ func testGetBucketNotificationHandler(obj ObjectLayer, instanceType string, t Te
credentials := serverConfig.GetCredential()
//Initialize global event notifier with mock queue targets.
err = initMockEventNotifier(obj)
err = initEventNotifier(obj)
if err != nil {
t.Fatalf("Test %s: Failed to initialize mock event notifier %v",
instanceType, err)
@ -304,8 +290,8 @@ func testGetBucketNotificationHandler(obj ObjectLayer, instanceType string, t Te
// Nil Object layer
nilAPIRouter := initTestAPIEndPoints(nil, []string{
"GetBucketNotificationHandler",
"PutBucketNotificationHandler",
"GetBucketNotification",
"PutBucketNotification",
})
testRec := httptest.NewRecorder()
testReq, tErr := newTestSignedRequestV4("GET", getGetBucketNotificationURL("", randBucket),
@ -344,8 +330,8 @@ func testPutBucketNotificationHandler(obj ObjectLayer, instanceType string, t Te
// Register the API end points with XL/FS object layer.
apiRouter := initTestAPIEndPoints(obj, []string{
"GetBucketNotificationHandler",
"PutBucketNotificationHandler",
"GetBucketNotification",
"PutBucketNotification",
})
// initialize the server and obtain the credentials and root.
@ -360,7 +346,7 @@ func testPutBucketNotificationHandler(obj ObjectLayer, instanceType string, t Te
credentials := serverConfig.GetCredential()
//Initialize global event notifier with mock queue targets.
err = initMockEventNotifier(obj)
err = initEventNotifier(obj)
if err != nil {
t.Fatalf("Test %s: Failed to initialize mock event notifier %v",
instanceType, err)
@ -460,8 +446,8 @@ func testPutBucketNotificationHandler(obj ObjectLayer, instanceType string, t Te
// Nil Object layer
nilAPIRouter := initTestAPIEndPoints(nil, []string{
"GetBucketNotificationHandler",
"PutBucketNotificationHandler",
"GetBucketNotification",
"PutBucketNotification",
})
testRec := httptest.NewRecorder()
testReq, tErr := newTestSignedRequestV4("PUT", getPutBucketNotificationURL("", randBucket),
@ -503,8 +489,8 @@ func testListenBucketNotificationHandler(obj ObjectLayer, instanceType string, t
// Register the API end points with XL/FS object layer.
apiRouter := initTestAPIEndPoints(obj, []string{
"PutBucketNotificationHandler",
"ListenBucketNotificationHandler",
"PutBucketNotification",
"ListenBucketNotification",
"PutObject",
})
@ -519,8 +505,8 @@ func testListenBucketNotificationHandler(obj ObjectLayer, instanceType string, t
credentials := serverConfig.GetCredential()
//Initialize global event notifier with mock queue targets.
err = initMockEventNotifier(obj)
// Initialize global event notifier with mock queue targets.
err = initEventNotifier(obj)
if err != nil {
t.Fatalf("Test %s: Failed to initialize mock event notifier %v",
instanceType, err)
@ -556,8 +542,8 @@ func testListenBucketNotificationHandler(obj ObjectLayer, instanceType string, t
// FIXME: Need to find a way to run valid listen bucket notification test case without blocking the unit test.
{randBucket, "", "", invalidEvents, CheckStatus, signatureMismatchError.HTTPStatusCode, ""},
{randBucket, tooBigPrefix, "", validEvents, CheckStatus, http.StatusBadRequest, ""},
{invalidBucket, "", "", nil, CheckStatus, http.StatusBadRequest, ""},
{randBucket, "", "", nil, InvalidAuth, signatureMismatchError.HTTPStatusCode, signatureMismatchError.Code},
{invalidBucket, "", "", validEvents, CheckStatus, http.StatusBadRequest, ""},
{randBucket, "", "", validEvents, InvalidAuth, signatureMismatchError.HTTPStatusCode, signatureMismatchError.Code},
}
for i, test := range testCases {
@ -607,8 +593,8 @@ func testListenBucketNotificationHandler(obj ObjectLayer, instanceType string, t
// Nil Object layer
nilAPIRouter := initTestAPIEndPoints(nil, []string{
"PutBucketNotificationHandler",
"ListenBucketNotificationHandler",
"PutBucketNotification",
"ListenBucketNotification",
})
testRec = httptest.NewRecorder()
testReq, tErr = newTestSignedRequestV4("GET",
@ -647,8 +633,8 @@ func testRemoveNotificationConfig(obj ObjectLayer, instanceType string, t TestEr
// Register the API end points with XL/FS object layer.
apiRouter := initTestAPIEndPoints(obj, []string{
"PutBucketNotificationHandler",
"ListenBucketNotificationHandler",
"PutBucketNotification",
"ListenBucketNotification",
})
// initialize the server and obtain the credentials and root.
@ -663,7 +649,7 @@ func testRemoveNotificationConfig(obj ObjectLayer, instanceType string, t TestEr
credentials := serverConfig.GetCredential()
//Initialize global event notifier with mock queue targets.
err = initMockEventNotifier(obj)
err = initEventNotifier(obj)
if err != nil {
t.Fatalf("Test %s: Failed to initialize mock event notifier %v",
instanceType, err)

21
cmd/bucket-notification-utils.go
View File

@ -136,27 +136,6 @@ func isMinioSNS(topicARN arnTopic) bool {
return strings.HasSuffix(topicARN.Type, snsTypeMinio)
}
// isMinioSNSConfigured - verifies if one topic ARN is valid and is enabled.
func isMinioSNSConfigured(topicARN string, topicConfigs []topicConfig) bool {
for _, topicConfig := range topicConfigs {
// Validate if topic ARN is already enabled.
if topicARN == topicConfig.TopicARN {
return true
}
}
return false
}
// Validate if we recognize the queue type.
func isValidQueue(sqsARN arnSQS) bool {
amqpQ := isAMQPQueue(sqsARN) // Is amqp queue?
natsQ := isNATSQueue(sqsARN) // Is nats queue?
elasticQ := isElasticQueue(sqsARN) // Is elastic queue?
redisQ := isRedisQueue(sqsARN) // Is redis queue?
postgresQ := isPostgreSQLQueue(sqsARN) // Is postgres queue?
return amqpQ || natsQ || elasticQ || redisQ || postgresQ
}
// Validate if we recognize the topic type.
func isValidTopic(topicARN arnTopic) bool {
return isMinioSNS(topicARN) // Is minio topic?.

9
cmd/config.go
View File

@ -83,15 +83,6 @@ func isConfigFileExists() bool {
return false
}
// mustGetConfigFile must get server config file.
func mustGetConfigFile() string {
configFile, err := getConfigFile()
if err != nil {
return ""
}
return configFile
}
// getConfigFile get server config file.
func getConfigFile() (string, error) {
configPath, err := getConfigPath()

31
cmd/control-mains_test.go
View File

@ -59,14 +59,6 @@ func TestControlLockMain(t *testing.T) {
// schedule cleanup at the end
defer testServer.Stop()
// initializing the locks.
initNSLock(false)
// set debug lock info to `nil` so that other tests do not see
// such modified env settings.
defer func() {
nsMutex.debugLockMap = nil
}()
// fetch http server endpoint
url := testServer.Server.URL
@ -95,29 +87,13 @@ func TestControlShutdownMain(t *testing.T) {
// fetch http server endpoint
url := testServer.Server.URL
// create a dummy exit function
testExitFn := func(exitCode int) {
if exitCode != int(exitSuccess) {
t.Errorf("Control-Shutdown-Main test failed - server exited with non-success error code - %d",
exitCode)
}
}
// initialize the shutdown signal listener
err := initGracefulShutdown(testExitFn)
if err != nil {
t.Fatalf("Control-Shutdown-Main test failed in initGracefulShutdown() - %s",
err.Error())
}
// create args to call
args := []string{"./minio", "control", "shutdown", url}
// run app
err = app.Run(args)
err := app.Run(args)
if err != nil {
t.Errorf("Control-Shutdown-Main test failed with - %s",
err.Error())
t.Errorf("Control-Shutdown-Main test failed with - %s", err)
}
}
@ -134,7 +110,6 @@ func TestControlMain(t *testing.T) {
// run app
err := app.Run(args)
if err != nil {
t.Errorf("Control-Main test failed with - %s",
err.Error())
t.Errorf("Control-Main test failed with - %s", err)
}
}

15
cmd/controller-handlers.go
View File

@ -113,14 +113,10 @@ func (c *controllerAPIHandlers) HealObjectHandler(args *HealObjectArgs, reply *G
// HealObject - heal the object.
func (c *controllerAPIHandlers) HealDiskMetadataHandler(args *GenericArgs, reply *GenericReply) error {
objAPI := c.ObjectAPI()
if objAPI == nil {
return errServerNotInitialized
}
if !isRPCTokenValid(args.Token) {
return errInvalidToken
}
err := objAPI.HealDiskMetadata()
err := repairDiskMetadata(c.StorageDisks)
if err != nil {
return err
}
@ -153,15 +149,6 @@ func (c *controllerAPIHandlers) ShutdownHandler(args *ShutdownArgs, reply *Gener
return nil
}
func (c *controllerAPIHandlers) TryInitHandler(args *GenericArgs, reply *GenericReply) error {
go func() {
globalWakeupCh <- struct{}{}
}()
*reply = GenericReply{}
return nil
}
// LockInfo - RPC control handler for `minio control lock`.
// Returns the info of the locks held in the system.
func (c *controllerAPIHandlers) LockInfo(arg *GenericArgs, reply *SystemLockState) error {

11
cmd/controller-router.go
View File

@ -28,7 +28,13 @@ const (
)
// Register controller RPC handlers.
func registerControllerRPCRouter(mux *router.Router, ctrlHandlers *controllerAPIHandlers) {
func registerControllerRPCRouter(mux *router.Router, srvCmdConfig serverCmdConfig) {
// Initialize Controller.
ctrlHandlers := &controllerAPIHandlers{
ObjectAPI: newObjectLayerFn,
StorageDisks: srvCmdConfig.storageDisks,
}
ctrlRPCServer := rpc.NewServer()
ctrlRPCServer.RegisterName("Controller", ctrlHandlers)
@ -38,5 +44,6 @@ func registerControllerRPCRouter(mux *router.Router, ctrlHandlers *controllerAPI
// Handler for object healing.
type controllerAPIHandlers struct {
ObjectAPI func() ObjectLayer
ObjectAPI func() ObjectLayer
StorageDisks []StorageAPI
}

42
cmd/controller_test.go
View File

@ -66,14 +66,6 @@ func TestRPCControlLock(t *testing.T) {
// Tests to validate the correctness of lock instrumentation control RPC end point.
func (s *TestRPCControllerSuite) testRPCControlLock(c *testing.T) {
// initializing the locks.
initNSLock(false)
// set debug lock info to `nil` so that the next tests have to
// initialize them again.
defer func() {
nsMutex.debugLockMap = nil
}()
expectedResult := []lockStateCase{
// Test case - 1.
// Case where 10 read locks are held.
@ -297,10 +289,8 @@ func (s *TestRPCControllerSuite) testControllerHealDiskMetadataH(c *testing.T) {
args := &GenericArgs{}
reply := &GenericReply{}
err := client.Call("Controller.HealDiskMetadataHandler", args, reply)
if err != nil {
c.Errorf("Control.HealDiskMetadataH - test failed with <ERROR> %s",
err.Error())
c.Errorf("Control.HealDiskMetadataH - test failed with <ERROR> %s", err)
}
}
@ -320,20 +310,16 @@ func (s *TestRPCControllerSuite) testControllerHealObjectH(t *testing.T) {
client := newAuthClient(s.testAuthConf)
defer client.Close()
err := s.testServer.Obj.MakeBucket("testbucket")
err := newObjectLayerFn().MakeBucket("testbucket")
if err != nil {
t.Fatalf(
"Controller.HealObjectH - create bucket failed with <ERROR> %s",
err.Error(),
)
"Controller.HealObjectH - create bucket failed with <ERROR> %s", err)
}
datum := strings.NewReader("a")
_, err = s.testServer.Obj.PutObject("testbucket", "testobject", 1,
datum, nil, "")
_, err = newObjectLayerFn().PutObject("testbucket", "testobject", 1, datum, nil, "")
if err != nil {
t.Fatalf("Controller.HealObjectH - put object failed with <ERROR> %s",
err.Error())
t.Fatalf("Controller.HealObjectH - put object failed with <ERROR> %s", err)
}
args := &HealObjectArgs{GenericArgs{}, "testbucket", "testobject"}
@ -341,8 +327,7 @@ func (s *TestRPCControllerSuite) testControllerHealObjectH(t *testing.T) {
err = client.Call("Controller.HealObjectHandler", args, reply)
if err != nil {
t.Errorf("Controller.HealObjectH - test failed with <ERROR> %s",
err.Error())
t.Errorf("Controller.HealObjectH - test failed with <ERROR> %s", err)
}
}
@ -363,20 +348,16 @@ func (s *TestRPCControllerSuite) testControllerListObjectsHealH(t *testing.T) {
defer client.Close()
// careate a bucket
err := s.testServer.Obj.MakeBucket("testbucket")
err := newObjectLayerFn().MakeBucket("testbucket")
if err != nil {
t.Fatalf(
"Controller.ListObjectsHealH - create bucket failed - %s",
err.Error(),
)
"Controller.ListObjectsHealH - create bucket failed - %s", err)
}
r := strings.NewReader("0")
_, err = s.testServer.Obj.PutObject(
"testbucket", "testObj-0", 1, r, nil, "")
_, err = newObjectLayerFn().PutObject("testbucket", "testObj-0", 1, r, nil, "")
if err != nil {
t.Fatalf("Controller.ListObjectsHealH - object creation failed - %s",
err.Error())
t.Fatalf("Controller.ListObjectsHealH - object creation failed - %s", err)
}
args := &HealListArgs{
@ -387,7 +368,6 @@ func (s *TestRPCControllerSuite) testControllerListObjectsHealH(t *testing.T) {
err = client.Call("Controller.ListObjectsHealHandler", args, reply)
if err != nil {
t.Errorf("Controller.ListObjectsHealHandler - test failed - %s",
err.Error())
t.Errorf("Controller.ListObjectsHealHandler - test failed - %s", err)
}
}

3
cmd/erasure-readfile_test.go
View File

@ -222,8 +222,9 @@ func TestErasureReadUtils(t *testing.T) {
if err != nil {
t.Fatal(err)
}
objLayer, err := getXLObjectLayer(disks, nil)
objLayer, _, err := initObjectLayer(disks, nil)
if err != nil {
removeRoots(disks)
t.Fatal(err)
}
defer removeRoots(disks)

36
cmd/event-notifier_test.go
View File

@ -90,29 +90,26 @@ func testEventNotify(obj ObjectLayer, instanceType string, t TestErrHandler) {
// Tests various forms of inititalization of event notifier.
func TestInitEventNotifier(t *testing.T) {
disk, err := getRandomDisks(1)
disks, err := getRandomDisks(1)
if err != nil {
t.Fatal("Unable to create directories for FS backend. ", err)
}
fs, err := getSingleNodeObjectLayer(disk[0])
defer removeRoots(disks)
fs, _, err := initObjectLayer(disks, nil)
if err != nil {
t.Fatal("Unable to initialize FS backend.", err)
}
nDisks := 16
disks, err := getRandomDisks(nDisks)
disks, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal("Unable to create directories for XL backend. ", err)
}
xl, err := getXLObjectLayer(disks, nil)
defer removeRoots(disks)
xl, _, err := initObjectLayer(disks, nil)
if err != nil {
t.Fatal("Unable to initialize XL backend.", err)
}
disks = append(disks, disk...)
for _, d := range disks {
defer removeAll(d)
}
// Collection of test cases for inititalizing event notifier.
testCases := []struct {
objAPI ObjectLayer
@ -156,11 +153,11 @@ func TestInitEventNotifierFaultyDisks(t *testing.T) {
defer removeAll(rootPath)
disk, err := getRandomDisks(1)
defer removeAll(disk[0])
if err != nil {
t.Fatal("Unable to create directories for FS backend. ", err)
}
obj, err := getSingleNodeObjectLayer(disk[0])
defer removeAll(disk[0])
obj, _, err := initObjectLayer(disk, nil)
if err != nil {
t.Fatal("Unable to initialize FS backend.", err)
}
@ -210,7 +207,7 @@ func TestInitEventNotifierWithAMQP(t *testing.T) {
if err != nil {
t.Fatal("Unable to create directories for FS backend. ", err)
}
fs, err := getSingleNodeObjectLayer(disk[0])
fs, _, err := initObjectLayer(disk, nil)
if err != nil {
t.Fatal("Unable to initialize FS backend.", err)
}
@ -237,7 +234,7 @@ func TestInitEventNotifierWithElasticSearch(t *testing.T) {
if err != nil {
t.Fatal("Unable to create directories for FS backend. ", err)
}
fs, err := getSingleNodeObjectLayer(disk[0])
fs, _, err := initObjectLayer(disk, nil)
if err != nil {
t.Fatal("Unable to initialize FS backend.", err)
}
@ -264,7 +261,7 @@ func TestInitEventNotifierWithRedis(t *testing.T) {
if err != nil {
t.Fatal("Unable to create directories for FS backend. ", err)
}
fs, err := getSingleNodeObjectLayer(disk[0])
fs, _, err := initObjectLayer(disk, nil)
if err != nil {
t.Fatal("Unable to initialize FS backend.", err)
}
@ -295,7 +292,7 @@ func TestListenBucketNotification(t *testing.T) {
if err != nil {
t.Fatal("Unable to create directories for FS backend. ", err)
}
obj, err := getSingleNodeObjectLayer(disk[0])
obj, _, err := initObjectLayer(disk, nil)
if err != nil {
t.Fatal("Unable to initialize FS backend.", err)
}
@ -325,11 +322,6 @@ func TestListenBucketNotification(t *testing.T) {
t.Fatal("Unexpected error:", err)
}
// Validate if minio SNS is configured for an empty topic configs.
if isMinioSNSConfigured(listenARN, nil) {
t.Fatal("SNS listen shouldn't be configured.")
}
// Check if the config is loaded
notificationCfg := globalEventNotifier.GetBucketNotificationConfig(bucketName)
if notificationCfg == nil {
@ -339,8 +331,8 @@ func TestListenBucketNotification(t *testing.T) {
t.Fatal("Notification config is not correctly loaded. Exactly one topic and one queue config are expected")
}
// Check if listen notification config is enabled
if !isMinioSNSConfigured(listenARN, notificationCfg.TopicConfigs) {
// Check if topic ARN is enabled
if notificationCfg.TopicConfigs[0].TopicARN != listenARN {
t.Fatal("SNS listen is not configured.")
}

31
cmd/format-config-v1.go
View File

@ -149,6 +149,20 @@ func reduceFormatErrs(errs []error, diskCount int) (err error) {
return nil
}
// creates format.json, the FS format info in minioMetaBucket.
func initFormatFS(storageDisk StorageAPI) error {
// Initialize meta volume, if volume already exists ignores it.
if err := initMetaVolume([]StorageAPI{storageDisk}); err != nil {
return fmt.Errorf("Unable to initialize '.minio.sys' meta volume, %s", err)
}
return saveFSFormatData(storageDisk, newFSFormatV1())
}
// loads format.json from minioMetaBucket if it exists.
func loadFormatFS(storageDisk StorageAPI) (format *formatConfigV1, err error) {
return loadFormat(storageDisk)
}
// loadAllFormats - load all format config from all input disks in parallel.
func loadAllFormats(bootstrapDisks []StorageAPI) ([]*formatConfigV1, []error) {
// Initialize sync waitgroup.
@ -198,6 +212,17 @@ func loadAllFormats(bootstrapDisks []StorageAPI) ([]*formatConfigV1, []error) {
// if (jbod inconsistent) return error // phase2
// if (disks not recognized) // Always error.
func genericFormatCheck(formatConfigs []*formatConfigV1, sErrs []error) (err error) {
if len(formatConfigs) == 1 {
// Successfully read, validate further.
if sErrs[0] == nil {
if !isFSFormat(formatConfigs[0]) {
return errFSDiskFormat
}
return nil
} // Returns error here.
return sErrs[0]
}
// Calculate the errors.
var (
errCorruptFormatCount = 0
@ -390,8 +415,7 @@ func loadFormat(disk StorageAPI) (format *formatConfigV1, err error) {
return format, nil
}
// isFormatNotFound - returns true if all `format.json` are not
// found on all disks.
// isFormatNotFound - returns true if all `format.json` are not found on all disks.
func isFormatNotFound(formats []*formatConfigV1) bool {
for _, format := range formats {
// One of the `format.json` is found.
@ -403,8 +427,7 @@ func isFormatNotFound(formats []*formatConfigV1) bool {
return true
}
// isFormatFound - returns true if all input formats are found on
// all disks.
// isFormatFound - returns true if all input formats are found on all disks.
func isFormatFound(formats []*formatConfigV1) bool {
for _, format := range formats {
// One of `format.json` is not found.

73
cmd/format-config-v1_test.go
View File

@ -114,6 +114,13 @@ func genFormatXLInvalidXLVersion() []*formatConfigV1 {
return formatConfigs
}
func genFormatFS() *formatConfigV1 {
return &formatConfigV1{
Version: "1",
Format: "fs",
}
}
// generates a invalid format.json version for XL backend.
func genFormatXLInvalidJBODCount() []*formatConfigV1 {
jbod := make([]string, 7)
@ -269,7 +276,7 @@ func TestFormatXLHealFreshDisks(t *testing.T) {
t.Fatal(err)
}
// Create an instance of xl backend.
obj, err := getXLObjectLayer(fsDirs, nil)
obj, _, err := initObjectLayer(fsDirs, nil)
if err != nil {
t.Error(err)
}
@ -301,7 +308,7 @@ func TestFormatXLHealFreshDisksErrorExpected(t *testing.T) {
t.Fatal(err)
}
// Create an instance of xl backend.
obj, err := getXLObjectLayer(fsDirs, nil)
obj, _, err := initObjectLayer(fsDirs, nil)
if err != nil {
t.Error(err)
}
@ -311,10 +318,8 @@ func TestFormatXLHealFreshDisksErrorExpected(t *testing.T) {
t.Fatal(err)
}
for i := 0; i < 16; i++ {
d := storageDisks[i].(*posix)
storageDisks[i] = &naughtyDisk{disk: d, defaultErr: errDiskNotFound}
}
// Prepares all disks are offline.
prepareNOfflineDisks(storageDisks, 16, t)
// Load again XL format.json to validate it
_, err = loadFormatXL(storageDisks)
@ -586,8 +591,9 @@ func TestInitFormatXLErrors(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
// Create an instance of xl backend.
obj, err := getXLObjectLayer(fsDirs, nil)
obj, _, err := initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -620,8 +626,6 @@ func TestInitFormatXLErrors(t *testing.T) {
if err := initFormatXL(testStorageDisks); err != errDiskNotFound {
t.Fatal("Got a different error: ", err)
}
removeRoots(fsDirs)
}
// Test for reduceFormatErrs()
@ -672,7 +676,14 @@ func TestGenericFormatCheck(t *testing.T) {
if err := genericFormatCheck(formatConfigs, errs); err == nil {
t.Fatalf("Should fail here")
}
errs = []error{nil}
if err := genericFormatCheck([]*formatConfigV1{genFormatFS()}, errs); err != nil {
t.Fatal("Got unexpected err: ", err)
}
errs = []error{errFaultyDisk}
if err := genericFormatCheck([]*formatConfigV1{genFormatFS()}, errs); err == nil {
t.Fatalf("Should fail here")
}
}
func TestLoadFormatXLErrs(t *testing.T) {
@ -681,9 +692,10 @@ func TestLoadFormatXLErrs(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
// Create an instance of xl backend.
obj, err := getXLObjectLayer(fsDirs, nil)
obj, _, err := initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -707,8 +719,9 @@ func TestLoadFormatXLErrs(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -726,14 +739,13 @@ func TestLoadFormatXLErrs(t *testing.T) {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -749,14 +761,13 @@ func TestLoadFormatXLErrs(t *testing.T) {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -769,8 +780,6 @@ func TestLoadFormatXLErrs(t *testing.T) {
if _, err := loadFormatXL(xl.storageDisks); err != errDiskNotFound {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
}
// Tests for healFormatXLCorruptedDisks() with cases which lead to errors
@ -782,7 +791,7 @@ func TestHealFormatXLCorruptedDisksErrs(t *testing.T) {
}
// Everything is fine, should return nil
obj, err := getXLObjectLayer(fsDirs, nil)
obj, _, err := initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -799,7 +808,7 @@ func TestHealFormatXLCorruptedDisksErrs(t *testing.T) {
}
// Disks 0..15 are nil
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -818,7 +827,7 @@ func TestHealFormatXLCorruptedDisksErrs(t *testing.T) {
}
// One disk returns Faulty Disk
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -839,7 +848,7 @@ func TestHealFormatXLCorruptedDisksErrs(t *testing.T) {
}
// One disk is not found, heal corrupted disks should return nil
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -856,7 +865,7 @@ func TestHealFormatXLCorruptedDisksErrs(t *testing.T) {
}
// Remove format.json of all disks
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -877,7 +886,7 @@ func TestHealFormatXLCorruptedDisksErrs(t *testing.T) {
}
// Corrupted format json in one disk
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -902,7 +911,7 @@ func TestHealFormatXLFreshDisksErrs(t *testing.T) {
}
// Everything is fine, should return nil
obj, err := getXLObjectLayer(fsDirs, nil)
obj, _, err := initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -918,7 +927,7 @@ func TestHealFormatXLFreshDisksErrs(t *testing.T) {
}
// Disks 0..15 are nil
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -937,7 +946,7 @@ func TestHealFormatXLFreshDisksErrs(t *testing.T) {
}
// One disk returns Faulty Disk
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -958,7 +967,7 @@ func TestHealFormatXLFreshDisksErrs(t *testing.T) {
}
// One disk is not found, heal corrupted disks should return nil
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -975,7 +984,7 @@ func TestHealFormatXLFreshDisksErrs(t *testing.T) {
}
// Remove format.json of all disks
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}
@ -996,7 +1005,7 @@ func TestHealFormatXLFreshDisksErrs(t *testing.T) {
}
// Remove format.json of all disks
obj, err = getXLObjectLayer(fsDirs, nil)
obj, _, err = initObjectLayer(fsDirs, nil)
if err != nil {
t.Fatal(err)
}

8
cmd/fs-v1-metadata.go
View File

@ -123,8 +123,8 @@ func newFSMetaV1() (fsMeta fsMetaV1) {
}
// newFSFormatV1 - initializes new formatConfigV1 with FS format info.
func newFSFormatV1() (format formatConfigV1) {
return formatConfigV1{
func newFSFormatV1() (format *formatConfigV1) {
return &formatConfigV1{
Version: "1",
Format: "fs",
FS: &fsFormat{
@ -134,12 +134,12 @@ func newFSFormatV1() (format formatConfigV1) {
}
// isFSFormat - returns whether given formatConfigV1 is FS type or not.
func isFSFormat(format formatConfigV1) bool {
func isFSFormat(format *formatConfigV1) bool {
return format.Format == "fs"
}
// writes FS format (format.json) into minioMetaBucket.
func writeFSFormatData(storage StorageAPI, fsFormat formatConfigV1) error {
func saveFSFormatData(storage StorageAPI, fsFormat *formatConfigV1) error {
metadataBytes, err := json.Marshal(fsFormat)
if err != nil {
return err

36
cmd/fs-v1-metadata_test.go
View File

@ -67,24 +67,31 @@ func TestHasExtendedHeader(t *testing.T) {
}
}
func initFSObjects(disk string, t *testing.T) (obj ObjectLayer) {
obj, _, err := initObjectLayer([]string{disk}, nil)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
return obj
}
// TestReadFsMetadata - readFSMetadata testing with a healthy and faulty disk
func TestReadFSMetadata(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
objectName := "object"
if err = obj.MakeBucket(bucketName); err != nil {
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Unexpected err: ", err)
}
sha256sum := ""
if _, err = obj.PutObject(bucketName, objectName, int64(len("abcd")), bytes.NewReader([]byte("abcd")),
if _, err := obj.PutObject(bucketName, objectName, int64(len("abcd")), bytes.NewReader([]byte("abcd")),
map[string]string{"X-Amz-Meta-AppId": "a"}, sha256sum); err != nil {
t.Fatal("Unexpected err: ", err)
}
@ -93,15 +100,15 @@ func TestReadFSMetadata(t *testing.T) {
fsPath := "buckets/" + bucketName + "/" + objectName + "/fs.json"
// Regular fs metadata reading, no errors expected
if _, err = readFSMetadata(fs.storage, ".minio.sys", fsPath); err != nil {
if _, err := readFSMetadata(fs.storage, ".minio.sys", fsPath); err != nil {
t.Fatal("Unexpected error ", err)
}
// Corrupted fs.json
if err = fs.storage.AppendFile(".minio.sys", fsPath, []byte{'a'}); err != nil {
if err := fs.storage.AppendFile(".minio.sys", fsPath, []byte{'a'}); err != nil {
t.Fatal("Unexpected error ", err)
}
if _, err = readFSMetadata(fs.storage, ".minio.sys", fsPath); err == nil {
if _, err := readFSMetadata(fs.storage, ".minio.sys", fsPath); err == nil {
t.Fatal("Should fail", err)
}
@ -109,7 +116,7 @@ func TestReadFSMetadata(t *testing.T) {
fsStorage := fs.storage.(*posix)
naughty := newNaughtyDisk(fsStorage, nil, errFaultyDisk)
fs.storage = naughty
if _, err = readFSMetadata(fs.storage, ".minio.sys", fsPath); errorCause(err) != errFaultyDisk {
if _, err := readFSMetadata(fs.storage, ".minio.sys", fsPath); errorCause(err) != errFaultyDisk {
t.Fatal("Should fail", err)
}
@ -119,20 +126,17 @@ func TestReadFSMetadata(t *testing.T) {
func TestWriteFSMetadata(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
objectName := "object"
if err = obj.MakeBucket(bucketName); err != nil {
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Unexpected err: ", err)
}
sha256sum := ""
if _, err = obj.PutObject(bucketName, objectName, int64(len("abcd")), bytes.NewReader([]byte("abcd")),
if _, err := obj.PutObject(bucketName, objectName, int64(len("abcd")), bytes.NewReader([]byte("abcd")),
map[string]string{"X-Amz-Meta-AppId": "a"}, sha256sum); err != nil {
t.Fatal("Unexpected err: ", err)
}

34
cmd/fs-v1-multipart-common_test.go
View File

@ -28,11 +28,8 @@ func TestFSIsBucketExist(t *testing.T) {
// Prepare for testing
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
@ -64,22 +61,20 @@ func TestFSIsUploadExists(t *testing.T) {
// Prepare for testing
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
var uploadID string
bucketName := "bucket"
objectName := "object"
obj.MakeBucket(bucketName)
uploadID, err = obj.NewMultipartUpload(bucketName, objectName, nil)
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Unexpected err: ", err)
}
uploadID, err := obj.NewMultipartUpload(bucketName, objectName, nil)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
t.Fatal("Unexpected err: ", err)
}
// Test with valid upload id
if exists := fs.isUploadIDExists(bucketName, objectName, uploadID); !exists {
@ -110,10 +105,8 @@ func TestFSWriteUploadJSON(t *testing.T) {
// Prepare for tests
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
@ -121,6 +114,9 @@ func TestFSWriteUploadJSON(t *testing.T) {
obj.MakeBucket(bucketName)
uploadID, err := obj.NewMultipartUpload(bucketName, objectName, nil)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
if err != nil {
t.Fatal("Unexpected err: ", err)
@ -146,10 +142,8 @@ func TestFSUpdateUploadsJSON(t *testing.T) {
// Prepare for tests
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"

11
cmd/fs-v1-multipart.go
View File

@ -462,22 +462,11 @@ func (fs fsObjects) PutObjectPart(bucket, object, uploadID string, partID int, s
return "", traceError(IncompleteBody{})
}
// Validate if payload is valid.
if isSignVerify(data) {
if err := data.(*signVerifyReader).Verify(); err != nil {
// Incoming payload wrong, delete the temporary object.
fs.storage.DeleteFile(minioMetaBucket, tmpPartPath)
// Error return.
return "", toObjectErr(traceError(err), bucket, object)
}
}
newMD5Hex := hex.EncodeToString(md5Writer.Sum(nil))
if md5Hex != "" {
if newMD5Hex != md5Hex {
// MD5 mismatch, delete the temporary object.
fs.storage.DeleteFile(minioMetaBucket, tmpPartPath)
return "", traceError(BadDigest{md5Hex, newMD5Hex})
}
}

28
cmd/fs-v1-multipart_test.go
View File

@ -31,10 +31,7 @@ func TestNewMultipartUploadFaultyDisk(t *testing.T) {
// Prepare for tests
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
@ -67,18 +64,14 @@ func TestPutObjectPartFaultyDisk(t *testing.T) {
// Prepare for tests
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
objectName := "object"
data := []byte("12345")
dataLen := int64(len(data))
if err = obj.MakeBucket(bucketName); err != nil {
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Cannot create bucket, err: ", err)
}
@ -119,17 +112,14 @@ func TestCompleteMultipartUploadFaultyDisk(t *testing.T) {
// Prepare for tests
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
objectName := "object"
data := []byte("12345")
if err = obj.MakeBucket(bucketName); err != nil {
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Cannot create bucket, err: ", err)
}
@ -175,17 +165,13 @@ func TestListMultipartUploadsFaultyDisk(t *testing.T) {
// Prepare for tests
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
objectName := "object"
data := []byte("12345")
if err = obj.MakeBucket(bucketName); err != nil {
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Cannot create bucket, err: ", err)
}

88
cmd/fs-v1.go
View File

@ -20,7 +20,7 @@ import (
"crypto/md5"
"crypto/sha256"
"encoding/hex"
"encoding/json"
"fmt"
"hash"
"io"
"os"
@ -33,8 +33,7 @@ import (
// fsObjects - Implements fs object layer.
type fsObjects struct {
storage StorageAPI
physicalDisk string
storage StorageAPI
// List pool management.
listPool *treeWalkPool
@ -46,73 +45,27 @@ var fsTreeWalkIgnoredErrs = []error{
errVolumeNotFound,
}
// creates format.json, the FS format info in minioMetaBucket.
func initFormatFS(storageDisk StorageAPI) error {
return writeFSFormatData(storageDisk, newFSFormatV1())
}
// loads format.json from minioMetaBucket if it exists.
func loadFormatFS(storageDisk StorageAPI) (format formatConfigV1, err error) {
// Reads entire `format.json`.
buf, err := storageDisk.ReadAll(minioMetaBucket, fsFormatJSONFile)
if err != nil {
return formatConfigV1{}, err
}
// Unmarshal format config.
if err = json.Unmarshal(buf, &format); err != nil {
return formatConfigV1{}, err
}
// Return structured `format.json`.
return format, nil
}
// newFSObjects - initialize new fs object layer.
func newFSObjects(disk string) (ObjectLayer, error) {
storage, err := newStorageAPI(disk)
if err != nil && err != errDiskNotFound {
return nil, err
}
// Attempt to create `.minio.sys`.
err = storage.MakeVol(minioMetaBucket)
if err != nil {
switch err {
// Ignore the errors.
case errVolumeExists, errDiskNotFound, errFaultyDisk:
default:
return nil, toObjectErr(err, minioMetaBucket)
}
func newFSObjects(storage StorageAPI) (ObjectLayer, error) {
if storage == nil {
return nil, errInvalidArgument
}
// Runs house keeping code, like creating minioMetaBucket, cleaning up tmp files etc.
if err = fsHouseKeeping(storage); err != nil {
if err := fsHouseKeeping(storage); err != nil {
return nil, err
}
// loading format.json from minioMetaBucket.
// Note: The format.json content is ignored, reserved for future use.
format, err := loadFormatFS(storage)
// Load format and validate.
_, err := loadFormatFS(storage)
if err != nil {
if err == errFileNotFound {
// format.json doesn't exist, create it inside minioMetaBucket.
err = initFormatFS(storage)
if err != nil {
return nil, err
}
} else {
return nil, err
}
} else if !isFSFormat(format) {
return nil, errFSDiskFormat
return nil, fmt.Errorf("Unable to recognize backend format, %s", err)
}
// Initialize fs objects.
fs := fsObjects{
storage: storage,
physicalDisk: disk,
listPool: newTreeWalkPool(globalLookupTimeout),
storage: storage,
listPool: newTreeWalkPool(globalLookupTimeout),
}
// Return successfully initialized object layer.
@ -153,10 +106,12 @@ func (fs fsObjects) Shutdown() error {
func (fs fsObjects) StorageInfo() StorageInfo {
info, err := fs.storage.DiskInfo()
errorIf(err, "Unable to get disk info %#v", fs.storage)
return StorageInfo{
storageInfo := StorageInfo{
Total: info.Total,
Free: info.Free,
}
storageInfo.Backend.Type = FS
return storageInfo
}
/// Bucket operations
@ -450,16 +405,6 @@ func (fs fsObjects) PutObject(bucket string, object string, size int64, data io.
metadata["md5Sum"] = newMD5Hex
}
// Validate if payload is valid.
if isSignVerify(data) {
if vErr := data.(*signVerifyReader).Verify(); vErr != nil {
// Incoming payload wrong, delete the temporary object.
fs.storage.DeleteFile(minioMetaBucket, tempObj)
// Error return.
return ObjectInfo{}, toObjectErr(traceError(vErr), bucket, object)
}
}
// md5Hex representation.
md5Hex := metadata["md5Sum"]
if md5Hex != "" {
@ -679,8 +624,3 @@ func (fs fsObjects) HealObject(bucket, object string) error {
func (fs fsObjects) ListObjectsHeal(bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, error) {
return ListObjectsInfo{}, traceError(NotImplemented{})
}
// HealDiskMetadata -- heal disk metadata, not supported in FS
func (fs fsObjects) HealDiskMetadata() error {
return NotImplemented{}
}

90
cmd/fs-v1_test.go
View File

@ -40,27 +40,48 @@ func TestNewFS(t *testing.T) {
disks = append(disks, xlDisk)
}
fsStorageDisks, err := initStorageDisks([]string{disk}, nil)
if err != nil {
t.Fatal("Uexpected error: ", err)
}
xlStorageDisks, err := initStorageDisks(disks, nil)
if err != nil {
t.Fatal("Uexpected error: ", err)
}
// Initializes all disks with XL
err := formatDisks(disks, nil)
err = waitForFormatDisks(true, "", xlStorageDisks)
if err != nil {
t.Fatalf("Unable to format XL %s", err)
}
_, err = newXLObjects(disks, nil)
_, err = newXLObjects(xlStorageDisks)
if err != nil {
t.Fatalf("Unable to initialize XL object, %s", err)
}
testCases := []struct {
disk string
disk StorageAPI
expectedErr error
}{
{disk, nil},
{disks[0], errFSDiskFormat},
{fsStorageDisks[0], nil},
{xlStorageDisks[0], errFSDiskFormat},
}
for _, testCase := range testCases {
if _, err := newFSObjects(testCase.disk); err != testCase.expectedErr {
t.Fatalf("expected: %s, got: %s", testCase.expectedErr, err)
if err = waitForFormatDisks(true, "", []StorageAPI{testCase.disk}); err != testCase.expectedErr {
t.Errorf("expected: %s, got :%s", testCase.expectedErr, err)
}
}
_, err = newFSObjects(nil)
if err != errInvalidArgument {
t.Errorf("Expecting error invalid argument, got %s", err)
}
_, err = newFSObjects(xlStorageDisks[0])
if err != nil {
errMsg := "Unable to recognize backend format, Disk is not in FS format."
if err.Error() == errMsg {
t.Errorf("Expecting %s, got %s", errMsg, err)
}
}
}
@ -71,10 +92,7 @@ func TestFSShutdown(t *testing.T) {
// Prepare for tests
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
fsStorage := fs.storage.(*posix)
@ -108,15 +126,11 @@ func TestFSLoadFormatFS(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Should not fail here", err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
// Regular format loading
_, err = loadFormatFS(fs.storage)
_, err := loadFormatFS(fs.storage)
if err != nil {
t.Fatal("Should not fail here", err)
}
@ -141,11 +155,7 @@ func TestFSGetBucketInfo(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal(err)
}
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
@ -182,7 +192,7 @@ func TestFSDeleteObject(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, _ := newFSObjects(disk)
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
objectName := "object"
@ -223,7 +233,7 @@ func TestFSDeleteBucket(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, _ := newFSObjects(disk)
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
@ -264,11 +274,10 @@ func TestFSListBuckets(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, _ := newFSObjects(disk)
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Unexpected error: ", err)
}
@ -303,11 +312,8 @@ func TestFSHealObject(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
err = obj.HealObject("bucket", "object")
obj := initFSObjects(disk, t)
err := obj.HealObject("bucket", "object")
if err == nil || !isSameType(errorCause(err), NotImplemented{}) {
t.Fatalf("Heal Object should return NotImplemented error ")
}
@ -318,26 +324,8 @@ func TestFSListObjectsHeal(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
_, err = obj.ListObjectsHeal("bucket", "prefix", "marker", "delimiter", 1000)
if err == nil || !isSameType(errorCause(err), NotImplemented{}) {
t.Fatalf("Heal Object should return NotImplemented error ")
}
}
// TestFSHealDiskMetadata - tests for fs HealDiskMetadata
func TestFSHealDiskMetadata(t *testing.T) {
disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
defer removeAll(disk)
obj, err := newFSObjects(disk)
if err != nil {
t.Fatal("Cannot create a new FS object: ", err)
}
err = obj.HealDiskMetadata()
obj := initFSObjects(disk, t)
_, err := obj.ListObjectsHeal("bucket", "prefix", "marker", "delimiter", 1000)
if err == nil || !isSameType(errorCause(err), NotImplemented{}) {
t.Fatalf("Heal Object should return NotImplemented error ")
}

2
cmd/globals.go
View File

@ -52,6 +52,8 @@ var (
globalMaxCacheSize = uint64(maxCacheSize)
// Cache expiry.
globalCacheExpiry = objcache.DefaultExpiry
// Minio default port, can be changed through command line.
globalMinioPort = 9000
// Add new variable global values here.
)

14
cmd/handler-utils.go
View File

@ -22,7 +22,6 @@ import (
"mime/multipart"
"net/http"
"strings"
"time"
)
// Validates location constraint in PutBucket request body.
@ -124,16 +123,3 @@ func extractPostPolicyFormValues(reader *multipart.Reader) (filePart io.Reader,
}
return filePart, fileName, formValues, nil
}
// Send whitespace character, once every 5secs, until CompleteMultipartUpload is done.
// CompleteMultipartUpload method of the object layer indicates that it's done via doneCh
func sendWhiteSpaceChars(w http.ResponseWriter, doneCh <-chan struct{}) {
for {
select {
case <-time.After(5 * time.Second):
w.Write([]byte(" "))
case <-doneCh:
return
}
}
}

112
cmd/lock-instrument.go
View File

@ -107,16 +107,13 @@ func (l LockInfoStateNotBlocked) Error() string {
return fmt.Sprintf("Lock state should be \"Blocked\" for <volume> %s, <path> %s, <operationID> %s.", l.volume, l.path, l.operationID)
}
var errLockNotInitialized = errors.New("Debug Lock Map not initialized:\n1. Enable Lock Debugging using right ENV settings \n2. Make sure initNSLock() is called.")
var errLockNotInitialized = errors.New("Debug lockMap not initialized.")
// change the state of the lock from Blocked to Running.
func (n *nsLockMap) statusBlockedToRunning(param nsParam, lockOrigin, operationID string, readLock bool) error {
// This operation is not executed under the scope nsLockMap.mutex.Lock(), lock has to be explicitly held here.
n.lockMapMutex.Lock()
defer n.lockMapMutex.Unlock()
if n.debugLockMap == nil {
return errLockNotInitialized
}
// new state info to be set for the lock.
newLockInfo := debugLockInfo{
lockOrigin: lockOrigin,
@ -132,38 +129,32 @@ func (n *nsLockMap) statusBlockedToRunning(param nsParam, lockOrigin, operationI
}
// check whether the lock info entry for <volume, path> pair already exists and its not `nil`.
if debugLockMap, ok := n.debugLockMap[param]; ok {
// ``*debugLockInfoPerVolumePath` entry containing lock info for `param <volume, path>` is `nil`.
if debugLockMap == nil {
return errLockNotInitialized
}
} else {
// The lock state info foe given <volume, path> pair should already exist.
lockInfo, ok := n.debugLockMap[param]
if !ok {
// The lock state info for given <volume, path> pair should already exist.
// If not return `LockInfoVolPathMssing`.
return LockInfoVolPathMssing{param.volume, param.path}
}
// Lock info the for the given operation ID shouldn't be `nil`.
if n.debugLockMap[param].lockInfo == nil {
return LockInfoOpsIDNotFound{param.volume, param.path, operationID}
if lockInfo == nil {
return errLockNotInitialized
}
if lockInfo, ok := n.debugLockMap[param].lockInfo[operationID]; ok {
// The entry for the lock origined at `lockOrigin` should already exist.
// If not return `LockInfoOriginNotFound`.
if lockInfo.lockOrigin != lockOrigin {
return LockInfoOriginNotFound{param.volume, param.path, operationID, lockOrigin}
}
// Status of the lock should already be set to "Blocked".
// If not return `LockInfoStateNotBlocked`.
if lockInfo.status != "Blocked" {
return LockInfoStateNotBlocked{param.volume, param.path, operationID}
}
} else {
lockInfoOpID, ok := n.debugLockMap[param].lockInfo[operationID]
if !ok {
// The lock info entry for given `opsID` should already exist for given <volume, path> pair.
// If not return `LockInfoOpsIDNotFound`.
return LockInfoOpsIDNotFound{param.volume, param.path, operationID}
}
// The entry for the lock origined at `lockOrigin` should already exist.
// If not return `LockInfoOriginNotFound`.
if lockInfoOpID.lockOrigin != lockOrigin {
return LockInfoOriginNotFound{param.volume, param.path, operationID, lockOrigin}
}
// Status of the lock should already be set to "Blocked".
// If not return `LockInfoStateNotBlocked`.
if lockInfoOpID.status != "Blocked" {
return LockInfoStateNotBlocked{param.volume, param.path, operationID}
}
// All checks finished.
// changing the status of the operation from blocked to running and updating the time.
@ -178,12 +169,12 @@ func (n *nsLockMap) statusBlockedToRunning(param nsParam, lockOrigin, operationI
return nil
}
func (n *nsLockMap) initLockInfoForVolumePath(param nsParam) {
n.debugLockMap[param] = newDebugLockInfoPerVolumePath()
}
// change the state of the lock from Ready to Blocked.
func (n *nsLockMap) statusNoneToBlocked(param nsParam, lockOrigin, operationID string, readLock bool) error {
if n.debugLockMap == nil {
return errLockNotInitialized
}
newLockInfo := debugLockInfo{
lockOrigin: lockOrigin,
status: "Blocked",
@ -195,16 +186,15 @@ func (n *nsLockMap) statusNoneToBlocked(param nsParam, lockOrigin, operationID s
newLockInfo.lockType = debugWLockStr
}
if lockInfo, ok := n.debugLockMap[param]; ok {
if lockInfo == nil {
// *debugLockInfoPerVolumePath entry is nil, initialize here to avoid any case of `nil` pointer access.
n.initLockInfoForVolumePath(param)
}
} else {
lockInfo, ok := n.debugLockMap[param]
if !ok {
// State info entry for the given <volume, pair> doesn't exist, initializing it.
n.initLockInfoForVolumePath(param)
}
if lockInfo == nil {
// *debugLockInfoPerVolumePath entry is nil, initialize here to avoid any case of `nil` pointer access.
n.initLockInfoForVolumePath(param)
}
// lockInfo is a map[string]debugLockInfo, which holds map[OperationID]{status,time, origin} of the lock.
if n.debugLockMap[param].lockInfo == nil {
n.debugLockMap[param].lockInfo = make(map[string]debugLockInfo)
@ -224,45 +214,37 @@ func (n *nsLockMap) statusNoneToBlocked(param nsParam, lockOrigin, operationID s
// deleteLockInfoEntry - Deletes the lock state information for given <volume, path> pair. Called when nsLk.ref count is 0.
func (n *nsLockMap) deleteLockInfoEntryForVolumePath(param nsParam) error {
if n.debugLockMap == nil {
return errLockNotInitialized
}
// delete the lock info for the given operation.
if _, found := n.debugLockMap[param]; found {
// Remove from the map if there are no more references for the given (volume,path) pair.
delete(n.debugLockMap, param)
} else {
if _, found := n.debugLockMap[param]; !found {
return LockInfoVolPathMssing{param.volume, param.path}
}
// Remove from the map if there are no more references for the given (volume,path) pair.
delete(n.debugLockMap, param)
return nil
}
// deleteLockInfoEntry - Deletes the entry for given opsID in the lock state information of given <volume, path> pair.
// called when the nsLk ref count for the given <volume, path> pair is not 0.
func (n *nsLockMap) deleteLockInfoEntryForOps(param nsParam, operationID string) error {
if n.debugLockMap == nil {
return errLockNotInitialized
}
// delete the lock info for the given operation.
if infoMap, found := n.debugLockMap[param]; found {
// the opertion finished holding the lock on the resource, remove the entry for the given operation with the operation ID.
if _, foundInfo := infoMap.lockInfo[operationID]; foundInfo {
// decrease the global running and lock reference counter.
n.runningLockCounter--
n.globalLockCounter--
// decrease the lock referee counter for the lock info for given <volume,path> pair.
// decrease the running operation number. Its assumed that the operation is over once an attempt to release the lock is made.
infoMap.running--
// decrease the total reference count of locks jeld on <volume,path> pair.
infoMap.ref--
delete(infoMap.lockInfo, operationID)
} else {
// Unlock request with invalid opertion ID not accepted.
return LockInfoOpsIDNotFound{param.volume, param.path, operationID}
}
} else {
infoMap, found := n.debugLockMap[param]
if !found {
return LockInfoVolPathMssing{param.volume, param.path}
}
// the opertion finished holding the lock on the resource, remove the entry for the given operation with the operation ID.
if _, foundInfo := infoMap.lockInfo[operationID]; !foundInfo {
// Unlock request with invalid opertion ID not accepted.
return LockInfoOpsIDNotFound{param.volume, param.path, operationID}
}
// decrease the global running and lock reference counter.
n.runningLockCounter--
n.globalLockCounter--
// decrease the lock referee counter for the lock info for given <volume,path> pair.
// decrease the running operation number. Its assumed that the operation is over once an attempt to release the lock is made.
infoMap.running--
// decrease the total reference count of locks jeld on <volume,path> pair.
infoMap.ref--
delete(infoMap.lockInfo, operationID)
return nil
}

94
cmd/lock-instrument_test.go
View File

@ -246,7 +246,6 @@ func TestNewDebugLockInfoPerVolumePath(t *testing.T) {
// TestNsLockMapStatusBlockedToRunning - Validates the function for changing the lock state from blocked to running.
func TestNsLockMapStatusBlockedToRunning(t *testing.T) {
testCases := []struct {
volume string
path string
@ -327,9 +326,9 @@ func TestNsLockMapStatusBlockedToRunning(t *testing.T) {
actualErr := nsMutex.statusBlockedToRunning(param, testCases[0].lockOrigin,
testCases[0].opsID, testCases[0].readLock)
expectedNilErr := errLockNotInitialized
if actualErr != expectedNilErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedNilErr, actualErr)
expectedErr := LockInfoVolPathMssing{testCases[0].volume, testCases[0].path}
if actualErr != expectedErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedErr, actualErr)
}
nsMutex = &nsLockMap{
@ -337,15 +336,13 @@ func TestNsLockMapStatusBlockedToRunning(t *testing.T) {
debugLockMap: make(map[nsParam]*debugLockInfoPerVolumePath),
lockMap: make(map[nsParam]*nsLock),
}
// Entry for <volume, path> pair is set to nil.
// Should fail with `errLockNotInitialized`.
// Entry for <volume, path> pair is set to nil. Should fail with `errLockNotInitialized`.
nsMutex.debugLockMap[param] = nil
actualErr = nsMutex.statusBlockedToRunning(param, testCases[0].lockOrigin,
testCases[0].opsID, testCases[0].readLock)
expectedNilErr = errLockNotInitialized
if actualErr != expectedNilErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedNilErr, actualErr)
if actualErr != errLockNotInitialized {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", errLockNotInitialized, actualErr)
}
// Setting the lock info the be `nil`.
@ -391,10 +388,7 @@ func TestNsLockMapStatusBlockedToRunning(t *testing.T) {
// initializing the locks.
initNSLock(false)
// set debug lock info to `nil` so that the next tests have to initialize them again.
defer func() {
nsMutex.debugLockMap = nil
}()
// Iterate over the cases and assert the result.
for i, testCase := range testCases {
param := nsParam{testCase.volume, testCase.path}
@ -518,22 +512,20 @@ func TestNsLockMapStatusNoneToBlocked(t *testing.T) {
},
}
// initializing the locks.
initNSLock(false)
param := nsParam{testCases[0].volume, testCases[0].path}
// Testing before the initialization done.
// Since the data structures for
actualErr := nsMutex.statusBlockedToRunning(param, testCases[0].lockOrigin,
testCases[0].opsID, testCases[0].readLock)
expectedNilErr := errLockNotInitialized
if actualErr != expectedNilErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedNilErr, actualErr)
expectedErr := LockInfoVolPathMssing{testCases[0].volume, testCases[0].path}
if actualErr != expectedErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedErr, actualErr)
}
// initializing the locks.
initNSLock(false)
// set debug lock info to `nil` so that the next tests have to initialize them again.
defer func() {
nsMutex.debugLockMap = nil
}()
// Iterate over the cases and assert the result.
for i, testCase := range testCases {
nsMutex.lockMapMutex.Lock()
@ -562,6 +554,10 @@ func TestNsLockMapDeleteLockInfoEntryForOps(t *testing.T) {
// expected metrics.
},
}
// initializing the locks.
initNSLock(false)
// case - 1.
// Testing the case where delete lock info is attempted even before the lock is initialized.
param := nsParam{testCases[0].volume, testCases[0].path}
@ -569,29 +565,12 @@ func TestNsLockMapDeleteLockInfoEntryForOps(t *testing.T) {
actualErr := nsMutex.deleteLockInfoEntryForOps(param, testCases[0].opsID)
expectedNilErr := errLockNotInitialized
if actualErr != expectedNilErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedNilErr, actualErr)
expectedErr := LockInfoVolPathMssing{testCases[0].volume, testCases[0].path}
if actualErr != expectedErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedErr, actualErr)
}
// initializing the locks.
initNSLock(false)
// set debug lock info to `nil` so that the next tests have to initialize them again.
defer func() {
nsMutex.debugLockMap = nil
}()
// case - 2.
// Case where an attempt to delete the entry for non-existent <volume, path> pair is done.
// Set the status of the lock to blocked and then to running.
nonExistParam := nsParam{volume: "non-exist-volume", path: "non-exist-path"}
actualErr = nsMutex.deleteLockInfoEntryForOps(nonExistParam, testCases[0].opsID)
expectedVolPathErr := LockInfoVolPathMssing{nonExistParam.volume, nonExistParam.path}
if actualErr != expectedVolPathErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedVolPathErr, actualErr)
}
// Case - 3.
// Case - 2.
// Lock state is set to Running and then an attempt to delete the info for non-existent opsID done.
nsMutex.lockMapMutex.Lock()
err := nsMutex.statusNoneToBlocked(param, testCases[0].lockOrigin, testCases[0].opsID, testCases[0].readLock)
@ -660,36 +639,21 @@ func TestNsLockMapDeleteLockInfoEntryForVolumePath(t *testing.T) {
// expected metrics.
},
}
// initializing the locks.
initNSLock(false)
// case - 1.
// Testing the case where delete lock info is attempted even before the lock is initialized.
// Case where an attempt to delete the entry for non-existent <volume, path> pair is done.
// Set the status of the lock to blocked and then to running.
param := nsParam{testCases[0].volume, testCases[0].path}
// Testing before the initialization done.
actualErr := nsMutex.deleteLockInfoEntryForVolumePath(param)
expectedNilErr := errLockNotInitialized
expectedNilErr := LockInfoVolPathMssing{param.volume, param.path}
if actualErr != expectedNilErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedNilErr, actualErr)
}
// initializing the locks.
initNSLock(false)
// set debug lock info to `nil` so that the next tests have to initialize them again.
defer func() {
nsMutex.debugLockMap = nil
}()
// case - 2.
// Case where an attempt to delete the entry for non-existent <volume, path> pair is done.
// Set the status of the lock to blocked and then to running.
nonExistParam := nsParam{volume: "non-exist-volume", path: "non-exist-path"}
actualErr = nsMutex.deleteLockInfoEntryForVolumePath(nonExistParam)
expectedVolPathErr := LockInfoVolPathMssing{nonExistParam.volume, nonExistParam.path}
if actualErr != expectedVolPathErr {
t.Fatalf("Errors mismatch: Expected \"%s\", got \"%s\"", expectedVolPathErr, actualErr)
}
// case - 3.
// Attempt to delete an registered entry is done.
// All metrics should be 0 after deleting the entry.

4
cmd/lock-rpc-server.go
View File

@ -77,8 +77,8 @@ type lockServer struct {
timestamp time.Time
}
// Initialize distributed name space lock.
func initDistributedNSLock(mux *router.Router, serverConfig serverCmdConfig) {
// Register distributed NS lock handlers.
func registerDistNSLockRouter(mux *router.Router, serverConfig serverCmdConfig) {
lockServers := newLockServers(serverConfig)
registerStorageLockers(mux, lockServers)
}

4
cmd/namespace-lock.go
View File

@ -72,10 +72,6 @@ func initNSLock(isDist bool) {
nsMutex.debugLockMap = make(map[nsParam]*debugLockInfoPerVolumePath)
}
func (n *nsLockMap) initLockInfoForVolumePath(param nsParam) {
n.debugLockMap[param] = newDebugLockInfoPerVolumePath()
}
// RWLocker - interface that any read-write locking library should implement.
type RWLocker interface {
sync.Locker

5
cmd/namespace-lock_test.go
View File

@ -301,11 +301,6 @@ func TestLockStats(t *testing.T) {
// initializing the locks.
initNSLock(false)
// set debug lock info to `nil` so that the next tests have to initialize them again.
defer func() {
nsMutex.debugLockMap = nil
}()
// hold 10 read locks.
for i := 0; i < 10; i++ {
nsMutex.RLock("my-bucket", "my-object", strconv.Itoa(i))

9
cmd/naughty-disk_test.go
View File

@ -17,13 +17,14 @@
package cmd
import (
"github.com/minio/minio/pkg/disk"
"sync"
"github.com/minio/minio/pkg/disk"
)
// naughtyDisk wraps a POSIX disk and returns programmed errors
// specified by the developer. The purpose is to simulate errors
// that are hard to simulate in practise like DiskNotFound.
// that are hard to simulate in practice like DiskNotFound.
// Programmed errors are stored in errors field.
type naughtyDisk struct {
// The real disk
@ -42,6 +43,10 @@ func newNaughtyDisk(d *posix, errs map[int]error, defaultErr error) *naughtyDisk
return &naughtyDisk{disk: d, errors: errs, defaultErr: defaultErr}
}
func (d *naughtyDisk) String() string {
return d.String()
}
func (d *naughtyDisk) calcError() (err error) {
d.mu.Lock()
defer d.mu.Unlock()

5
cmd/net-rpc-client.go
View File

@ -65,11 +65,12 @@ func (rpcClient *RPCClient) getRPCClient() *rpc.Client {
// dialRPCClient tries to establish a connection to the server in a safe manner
func (rpcClient *RPCClient) dialRPCClient() (*rpc.Client, error) {
rpcClient.mu.Lock()
defer rpcClient.mu.Unlock()
// After acquiring lock, check whether another thread may not have already dialed and established connection
if rpcClient.rpcPrivate != nil {
rpcClient.mu.Unlock()
return rpcClient.rpcPrivate, nil
}
rpcClient.mu.Unlock()
var err error
var conn net.Conn
@ -92,7 +93,9 @@ func (rpcClient *RPCClient) dialRPCClient() (*rpc.Client, error) {
if rpc == nil {
return nil, errors.New("No valid RPC Client created after dial")
}
rpcClient.mu.Lock()
rpcClient.rpcPrivate = rpc
rpcClient.mu.Unlock()
return rpc, nil
}
if err == nil {

17
cmd/object-api-listobjects_test.go
View File

@ -564,6 +564,18 @@ func testListObjects(obj ObjectLayer, instanceType string, t TestErrHandler) {
}
}
func initFSObjectsB(disk string, t *testing.B) (obj ObjectLayer) {
storageDisks, err := initStorageDisks([]string{disk}, nil)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
obj, err = newFSObjects(storageDisks[0])
if err != nil {
t.Fatal("Unexpected err: ", err)
}
return obj
}
func BenchmarkListObjects(b *testing.B) {
// Make a temporary directory to use as the obj.
directory, err := ioutil.TempDir("", "minio-list-benchmark")
@ -573,10 +585,7 @@ func BenchmarkListObjects(b *testing.B) {
defer removeAll(directory)
// Create the obj.
obj, err := newFSObjects(directory)
if err != nil {
b.Fatal(err)
}
obj := initFSObjectsB(directory, b)
// Create a bucket.
err = obj.MakeBucket("ls-benchmark-bucket")

3
cmd/object-common.go
View File

@ -105,9 +105,6 @@ func isLocalStorage(networkPath string) bool {
// Depending on the disk type network or local, initialize storage API.
func newStorageAPI(disk string) (storage StorageAPI, err error) {
if isLocalStorage(disk) {
if idx := strings.LastIndex(disk, ":"); idx != -1 {
return newPosix(disk[idx+1:])
}
return newPosix(disk)
}
return newRPCClient(disk)

23
cmd/object-datatypes.go
View File

@ -18,12 +18,35 @@ package cmd
import "time"
// BackendType - represents different backend types.
type BackendType int
// Enum for different backend types.
const (
Unknown BackendType = iota
// Filesystem backend.
FS
// Multi disk single node XL backend.
XL
// Add your own backend.
)
// StorageInfo - represents total capacity of underlying storage.
type StorageInfo struct {
// Total disk space.
Total int64
// Free available disk space.
Free int64
// Backend type.
Backend struct {
// Represents various backend types, currently on FS and XL.
Type BackendType
// Following fields are only meaningful if BackendType is XL.
OnlineDisks int // Online disks during server startup.
OfflineDisks int // Offline disks during server startup.
Quorum int // Minimum disks required for successful operations.
}
}
// BucketInfo - represents bucket metadata.

1
cmd/object-interface.go
View File

@ -22,7 +22,6 @@ import "io"
type ObjectLayer interface {
// Storage operations.
Shutdown() error
HealDiskMetadata() error
StorageInfo() StorageInfo
// Bucket operations.

25
cmd/posix.go
View File

@ -40,10 +40,11 @@ const (
// posix - implements StorageAPI interface.
type posix struct {
ioErrCount int32 // ref: https://golang.org/pkg/sync/atomic/#pkg-note-BUG
diskPath string
minFreeSpace int64
minFreeInodes int64
ioErrCount int32 // ref: https://golang.org/pkg/sync/atomic/#pkg-note-BUG
diskPath string
suppliedDiskPath string
minFreeSpace int64
minFreeInodes int64
}
var errFaultyDisk = errors.New("Faulty disk")
@ -95,6 +96,10 @@ func newPosix(diskPath string) (StorageAPI, error) {
if diskPath == "" {
return nil, errInvalidArgument
}
suppliedDiskPath := diskPath
if idx := strings.LastIndex(diskPath, ":"); idx != -1 {
diskPath = diskPath[idx+1:]
}
var err error
// Disallow relative paths, figure out absolute paths.
diskPath, err = filepath.Abs(diskPath)
@ -102,9 +107,10 @@ func newPosix(diskPath string) (StorageAPI, error) {
return nil, err
}
fs := &posix{
diskPath: diskPath,
minFreeSpace: fsMinFreeSpace,
minFreeInodes: fsMinFreeInodesPercent,
suppliedDiskPath: suppliedDiskPath,
diskPath: diskPath,
minFreeSpace: fsMinFreeSpace,
minFreeInodes: fsMinFreeInodesPercent,
}
st, err := os.Stat(preparePath(diskPath))
if err != nil {
@ -162,6 +168,11 @@ func (s posix) checkDiskFree() (err error) {
return nil
}
// Implements stringer compatible interface.
func (s *posix) String() string {
return s.suppliedDiskPath
}
// DiskInfo provides current information about disk space usage,
// total free inodes and underlying filesystem.
func (s *posix) DiskInfo() (info disk.Info, err error) {

12
cmd/post-policy_test.go
View File

@ -66,6 +66,18 @@ func TestPostPolicyHandler(t *testing.T) {
// testPostPolicyHandler - Tests validate post policy handler uploading objects.
func testPostPolicyHandler(obj ObjectLayer, instanceType string, t TestErrHandler) {
root, err := newTestConfig("us-east-1")
if err != nil {
t.Fatalf("Initializing config.json failed")
}
defer removeAll(root)
// Register event notifier.
err = initEventNotifier(obj)
if err != nil {
t.Fatalf("Initializing event notifiers failed")
}
// get random bucket name.
bucketName := getRandomBucketName()

136
cmd/prepare-storage-msg.go Normal file
View File

@ -0,0 +1,136 @@
/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"fmt"
"sync"
humanize "github.com/dustin/go-humanize"
"github.com/minio/mc/pkg/console"
)
// Helper to generate integer sequences into a friendlier user consumable format.
func int2Str(i int, t int) string {
if i < 10 {
if t < 10 {
return fmt.Sprintf("0%d/0%d", i, t)
}
return fmt.Sprintf("0%d/%d", i, t)
}
return fmt.Sprintf("%d/%d", i, t)
}
// Print a given message once.
type printOnceFunc func(msg string)
// Print once is a constructor returning a function printing once.
// internally print uses sync.Once to perform exactly one action.
func printOnceFn() printOnceFunc {
var once sync.Once
return func(msg string) {
once.Do(func() { console.Println(msg) })
}
}
// Prints custom message when healing is required for XL and Distributed XL backend.
func printHealMsg(firstEndpoint string, storageDisks []StorageAPI, fn printOnceFunc) {
msg := getHealMsg(firstEndpoint, storageDisks)
fn(msg)
}
// Constructs a formatted heal message, when cluster is found to be in state where it requires healing.
// healing is optional, server continues to initialize object layer after printing this message.
// it is upto the end user to perform a heal if needed.
func getHealMsg(firstEndpoint string, storageDisks []StorageAPI) string {
msg := fmt.Sprintln("\nData volume requires HEALING. Please run the following command:")
msg += "MINIO_ACCESS_KEY=%s "
msg += "MINIO_SECRET_KEY=%s "
msg += "minio control heal %s"
creds := serverConfig.GetCredential()
msg = fmt.Sprintf(msg, creds.AccessKeyID, creds.SecretAccessKey, firstEndpoint)
disksInfo, _, _ := getDisksInfo(storageDisks)
for i, info := range disksInfo {
msg += fmt.Sprintf(
"\n[%s] %s - %s %s",
int2Str(i+1, len(storageDisks)),
storageDisks[i],
humanize.IBytes(uint64(info.Total)),
func() string {
if info.Total > 0 {
return "online"
}
return "offline"
}(),
)
}
return msg
}
// Prints regular message when we have sufficient disks to start the cluster.
func printRegularMsg(storageDisks []StorageAPI, fn printOnceFunc) {
msg := getRegularMsg(storageDisks)
fn(msg)
}
// Constructs a formatted regular message when we have sufficient disks to start the cluster.
func getRegularMsg(storageDisks []StorageAPI) string {
msg := colorBlue("\nInitializing data volume.")
disksInfo, _, _ := getDisksInfo(storageDisks)
for i, info := range disksInfo {
msg += fmt.Sprintf(
"\n[%s] %s - %s %s",
int2Str(i+1, len(storageDisks)),
storageDisks[i],
humanize.IBytes(uint64(info.Total)),
func() string {
if info.Total > 0 {
return "online"
}
return "offline"
}(),
)
}
return msg
}
// Prints initialization message when cluster is being initialized for the first time.
func printFormatMsg(storageDisks []StorageAPI, fn printOnceFunc) {
msg := getFormatMsg(storageDisks)
fn(msg)
}
// Generate a formatted message when cluster is being initialized for the first time.
func getFormatMsg(storageDisks []StorageAPI) string {
msg := colorBlue("\nInitializing data volume for the first time.")
disksInfo, _, _ := getDisksInfo(storageDisks)
for i, info := range disksInfo {
msg += fmt.Sprintf(
"\n[%s] %s - %s %s",
int2Str(i+1, len(storageDisks)),
storageDisks[i],
humanize.IBytes(uint64(info.Total)),
func() string {
if info.Total > 0 {
return "online"
}
return "offline"
}(),
)
}
return msg
}

88
cmd/prepare-storage-msg_test.go Normal file
View File

@ -0,0 +1,88 @@
/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import "testing"
// Tests heal message to be correct and properly formatted.
func TestHealMsg(t *testing.T) {
storageDisks, fsDirs := prepareXLStorageDisks(t)
defer removeRoots(fsDirs)
testCases := []struct {
endPoint string
storageDisks []StorageAPI
}{
{
endPoint: "http://10.1.10.1:9000",
storageDisks: storageDisks,
},
}
for i, testCase := range testCases {
msg := getHealMsg(testCase.endPoint, testCase.storageDisks)
if msg == "" {
t.Fatalf("Test: %d Unable to get heal message.", i+1)
}
msg = getRegularMsg(testCase.storageDisks)
if msg == "" {
t.Fatalf("Test: %d Unable to get regular message.", i+1)
}
msg = getFormatMsg(testCase.storageDisks)
if msg == "" {
t.Fatalf("Test: %d Unable to get format message.", i+1)
}
}
}
// Tests disk info, validates if we do return proper disk info structure
// even in case of certain disks not available.
func TestDisksInfo(t *testing.T) {
storageDisks, fsDirs := prepareXLStorageDisks(t)
defer removeRoots(fsDirs)
testCases := []struct {
storageDisks []StorageAPI
onlineDisks int
offlineDisks int
}{
{
storageDisks: storageDisks,
onlineDisks: 16,
offlineDisks: 0,
},
{
storageDisks: prepareNOfflineDisks(deepCopyStorageDisks(storageDisks), 4, t),
onlineDisks: 12,
offlineDisks: 4,
},
{
storageDisks: prepareNOfflineDisks(deepCopyStorageDisks(storageDisks), 16, t),
onlineDisks: 0,
offlineDisks: 16,
},
}
for i, testCase := range testCases {
_, onlineDisks, offlineDisks := getDisksInfo(testCase.storageDisks)
if testCase.onlineDisks != onlineDisks {
t.Errorf("Test %d: Expected online disks %d, got %d", i+1, testCase.onlineDisks, onlineDisks)
}
if testCase.offlineDisks != offlineDisks {
t.Errorf("Test %d: Expected offline disks %d, got %d", i+1, testCase.offlineDisks, offlineDisks)
}
}
}

199
cmd/prepare-storage.go
View File

@ -19,6 +19,7 @@ package cmd
import (
"time"
"github.com/minio/mc/pkg/console"
"github.com/minio/minio-go/pkg/set"
)
@ -49,24 +50,23 @@ func init() {
| Quorum | Quorum Formatted | |
+----------+--------------------------+-----------------------+
| All | Quorum | Print message saying |
| | Formatted, | "Heal via minioctl" |
| | Formatted, | "Heal via control" |
| | some unformatted | and initObjectLayer |
+----------+--------------------------+-----------------------+
| All | None Formatted | FormatDisks |
| | | and initObjectLayer |
| | | |
+----------+--------------------------+-----------------------+
| | | Wait for notify from |
| Quorum | | "Heal via minioctl" |
| | Quorum UnFormatted | |
+----------+--------------------------+-----------------------+
| No | | Wait till enough |
| Quorum | _ | nodes are online and |
| | | one of the above |
| | | sections apply |
+----------+--------------------------+-----------------------+
| | | |
| Quorum | Quorum UnFormatted | Abort |
+----------+--------------------------+-----------------------+
N B A disk can be in one of the following states.
A disk can be in one of the following states.
- Unformatted
- Formatted
- Corrupted
@ -101,7 +101,7 @@ const (
Abort
)
func prepForInit(disks []string, sErrs []error, diskCount int) InitActions {
func prepForInitXL(firstDisk bool, sErrs []error, diskCount int) InitActions {
// Count errors by error value.
errMap := make(map[error]int)
for _, err := range sErrs {
@ -114,34 +114,7 @@ func prepForInit(disks []string, sErrs []error, diskCount int) InitActions {
disksUnformatted := errMap[errUnformattedDisk]
disksCorrupted := errMap[errCorruptedFormat]
// All disks are unformatted, proceed to formatting disks.
if disksUnformatted == diskCount {
// Only the first server formats an uninitialized setup, others wait for notification.
if isLocalStorage(disks[0]) {
return FormatDisks
}
return WaitForFormatting
} else if disksUnformatted >= quorum {
if disksUnformatted+disksOffline == diskCount {
return WaitForAll
}
// Some disks possibly corrupted.
return WaitForHeal
}
// Already formatted, proceed to initialization of object layer.
if disksFormatted == diskCount {
return InitObjectLayer
} else if disksFormatted >= quorum {
if (disksFormatted+disksOffline == diskCount) ||
(disksFormatted+disksUnformatted == diskCount) {
return InitObjectLayer
}
// Some disks possibly corrupted.
return WaitForHeal
}
// No Quorum.
// No Quorum lots of offline disks, wait for quorum.
if disksOffline >= quorum {
return WaitForQuorum
}
@ -151,57 +124,113 @@ func prepForInit(disks []string, sErrs []error, diskCount int) InitActions {
if disksCorrupted >= quorum {
return Abort
}
// Some of the formatted disks are possibly offline.
return WaitForHeal
}
func retryFormattingDisks(disks []string, storageDisks []StorageAPI) ([]StorageAPI, error) {
nextBackoff := time.Duration(0)
var err error
done := false
for !done {
select {
case <-time.After(nextBackoff * time.Second):
// Attempt to load all `format.json`.
_, sErrs := loadAllFormats(storageDisks)
switch prepForInit(disks, sErrs, len(storageDisks)) {
case Abort:
err = errCorruptedFormat
done = true
case FormatDisks:
err = initFormatXL(storageDisks)
done = true
case InitObjectLayer:
err = nil
done = true
}
case <-globalWakeupCh:
// Reset nextBackoff to reduce the subsequent wait and re-read
// format.json from all disks again.
nextBackoff = 0
// All disks are unformatted, proceed to formatting disks.
if disksUnformatted == diskCount {
// Only the first server formats an uninitialized setup, others wait for notification.
if firstDisk { // First node always initializes.
return FormatDisks
}
return WaitForFormatting
}
if err != nil {
return nil, err
// Total disks unformatted are in quorum verify if we have some offline disks.
if disksUnformatted >= quorum {
// Some disks offline and some disks unformatted, wait for all of them to come online.
if disksUnformatted+disksOffline == diskCount {
return WaitForAll
}
// Some disks possibly corrupted and too many unformatted disks.
return Abort
}
return storageDisks, nil
// Already formatted and in quorum, proceed to initialization of object layer.
if disksFormatted >= quorum {
if disksFormatted+disksOffline == diskCount {
return InitObjectLayer
}
// Some of the formatted disks are possibly corrupted or unformatted, heal them.
return WaitForHeal
} // No quorum wait for quorum number of disks.
return WaitForQuorum
}
func waitForFormattingDisks(disks, ignoredDisks []string) ([]StorageAPI, error) {
// FS Setup
// Implements a jitter backoff loop for formatting all disks during
// initialization of the server.
func retryFormattingDisks(firstDisk bool, firstEndpoint string, storageDisks []StorageAPI) error {
if storageDisks == nil {
return errInvalidArgument
}
// Create a done channel to control 'ListObjects' go routine.
doneCh := make(chan struct{}, 1)
// Indicate to our routine to exit cleanly upon return.
defer close(doneCh)
// Wait on the jitter retry loop.
for range newRetryTimer(time.Second, time.Second*30, MaxJitter, doneCh) {
// Attempt to load all `format.json`.
formatConfigs, sErrs := loadAllFormats(storageDisks)
// Check if this is a XL or distributed XL, anything > 1 is considered XL backend.
if len(formatConfigs) > 1 {
switch prepForInitXL(firstDisk, sErrs, len(storageDisks)) {
case Abort:
return errCorruptedFormat
case FormatDisks:
console.Eraseline()
printFormatMsg(storageDisks, printOnceFn())
return initFormatXL(storageDisks)
case InitObjectLayer:
console.Eraseline()
// Validate formats load before proceeding forward.
err := genericFormatCheck(formatConfigs, sErrs)
if err == nil {
printRegularMsg(storageDisks, printOnceFn())
}
return err
case WaitForHeal:
// Validate formats load before proceeding forward.
err := genericFormatCheck(formatConfigs, sErrs)
if err == nil {
printHealMsg(firstEndpoint, storageDisks, printOnceFn())
}
return err
case WaitForQuorum:
console.Printf(
"Initializing data volume. Waiting for minimum %d servers to come online.\n",
len(storageDisks)/2+1,
)
case WaitForAll:
console.Println("Initializing data volume for first time. Waiting for other servers to come online.")
case WaitForFormatting:
console.Println("Initializing data volume for first time. Waiting for first server to come online.")
}
continue
} // else We have FS backend now. Check fs format as well now.
if isFormatFound(formatConfigs) {
console.Eraseline()
// Validate formats load before proceeding forward.
return genericFormatCheck(formatConfigs, sErrs)
} // else initialize the format for FS.
return initFormatFS(storageDisks[0])
} // Return here.
return nil
}
// Initialize storage disks based on input arguments.
func initStorageDisks(disks, ignoredDisks []string) ([]StorageAPI, error) {
// Single disk means we will use FS backend.
if len(disks) == 1 {
storage, err := newStorageAPI(disks[0])
if err != nil && err != errDiskNotFound {
return nil, err
}
return []StorageAPI{storage}, nil
}
// XL Setup
} // Otherwise proceed with XL setup.
if err := checkSufficientDisks(disks); err != nil {
return nil, err
}
disksSet := set.NewStringSet()
if len(ignoredDisks) > 0 {
disksSet = set.CreateStringSet(ignoredDisks...)
@ -223,6 +252,30 @@ func waitForFormattingDisks(disks, ignoredDisks []string) ([]StorageAPI, error)
}
storageDisks[index] = storage
}
// Start wait loop retrying formatting disks.
return retryFormattingDisks(disks, storageDisks)
return storageDisks, nil
}
// Format disks before initialization object layer.
func waitForFormatDisks(firstDisk bool, firstEndpoint string, storageDisks []StorageAPI) (err error) {
if storageDisks == nil {
return errInvalidArgument
}
// Start retry loop retrying until disks are formatted properly, until we have reached
// a conditional quorum of formatted disks.
err = retryFormattingDisks(firstDisk, firstEndpoint, storageDisks)
if err != nil {
return err
}
if firstDisk {
// Notify every one else that they can try init again.
for _, storage := range storageDisks {
switch store := storage.(type) {
// Wake up remote storage servers to initiate init again.
case networkStorage:
var reply GenericReply
_ = store.rpcClient.Call("Storage.TryInitHandler", &GenericArgs{}, &reply)
}
}
}
return nil
}

80
cmd/prepare-storage_test.go
View File

@ -16,10 +16,7 @@
package cmd
import (
"runtime"
"testing"
)
import "testing"
func (action InitActions) String() string {
switch action {
@ -41,43 +38,8 @@ func (action InitActions) String() string {
return "Unknown"
}
}
func TestPrepForInit(t *testing.T) {
var disks []string
if runtime.GOOS == "windows" {
disks = []string{
`c:\mnt\disk1`,
`c:\mnt\disk2`,
`c:\mnt\disk3`,
`c:\mnt\disk4`,
`c:\mnt\disk5`,
`c:\mnt\disk6`,
`c:\mnt\disk7`,
`c:\mnt\disk8`,
}
} else {
disks = []string{
"/mnt/disk1",
"/mnt/disk2",
"/mnt/disk3",
"/mnt/disk4",
"/mnt/disk5",
"/mnt/disk6",
"/mnt/disk7",
"/mnt/disk8",
}
}
// Building up disks that resolve to localhost and remote w.r.t isLocalStorage().
var (
disksLocal []string
disksRemote []string
)
for i := range disks {
disksLocal = append(disksLocal, "localhost:"+disks[i])
}
// Using 4.4.4.4 as a known non-local address.
for i := range disks {
disksRemote = append(disksRemote, "4.4.4.4:"+disks[i])
}
func TestPrepForInitXL(t *testing.T) {
// All disks are unformatted, a fresh setup.
allUnformatted := []error{
errUnformattedDisk, errUnformattedDisk, errUnformattedDisk, errUnformattedDisk,
@ -120,32 +82,32 @@ func TestPrepForInit(t *testing.T) {
testCases := []struct {
// Params for prepForInit().
disks []string
firstDisk bool
errs []error
diskCount int
action InitActions
}{
// Local disks.
{disksLocal, allFormatted, 8, InitObjectLayer},
{disksLocal, quorumFormatted, 8, InitObjectLayer},
{disksLocal, allUnformatted, 8, FormatDisks},
{disksLocal, quorumUnformatted, 8, WaitForAll},
{disksLocal, quorumUnformattedSomeCorrupted, 8, WaitForHeal},
{disksLocal, noQuourm, 8, WaitForQuorum},
{disksLocal, minorityCorrupted, 8, WaitForHeal},
{disksLocal, majorityCorrupted, 8, Abort},
{true, allFormatted, 8, InitObjectLayer},
{true, quorumFormatted, 8, InitObjectLayer},
{true, allUnformatted, 8, FormatDisks},
{true, quorumUnformatted, 8, WaitForAll},
{true, quorumUnformattedSomeCorrupted, 8, Abort},
{true, noQuourm, 8, WaitForQuorum},
{true, minorityCorrupted, 8, WaitForHeal},
{true, majorityCorrupted, 8, Abort},
// Remote disks.
{disksRemote, allFormatted, 8, InitObjectLayer},
{disksRemote, quorumFormatted, 8, InitObjectLayer},
{disksRemote, allUnformatted, 8, WaitForFormatting},
{disksRemote, quorumUnformatted, 8, WaitForAll},
{disksRemote, quorumUnformattedSomeCorrupted, 8, WaitForHeal},
{disksRemote, noQuourm, 8, WaitForQuorum},
{disksRemote, minorityCorrupted, 8, WaitForHeal},
{disksRemote, majorityCorrupted, 8, Abort},
{false, allFormatted, 8, InitObjectLayer},
{false, quorumFormatted, 8, InitObjectLayer},
{false, allUnformatted, 8, WaitForFormatting},
{false, quorumUnformatted, 8, WaitForAll},
{false, quorumUnformattedSomeCorrupted, 8, Abort},
{false, noQuourm, 8, WaitForQuorum},
{false, minorityCorrupted, 8, WaitForHeal},
{false, majorityCorrupted, 8, Abort},
}
for i, test := range testCases {
actual := prepForInit(test.disks, test.errs, test.diskCount)
actual := prepForInitXL(test.firstDisk, test.errs, test.diskCount)
if actual != test.action {
t.Errorf("Test %d expected %s but receieved %s\n", i+1, test.action, actual)
}

109
cmd/retry.go Normal file
View File

@ -0,0 +1,109 @@
/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"math/rand"
"sync"
"time"
)
// lockedRandSource provides protected rand source, implements rand.Source interface.
type lockedRandSource struct {
lk sync.Mutex
src rand.Source
}
// Int63 returns a non-negative pseudo-random 63-bit integer as an
// int64.
func (r *lockedRandSource) Int63() (n int64) {
r.lk.Lock()
n = r.src.Int63()
r.lk.Unlock()
return
}
// Seed uses the provided seed value to initialize the generator to a
// deterministic state.
func (r *lockedRandSource) Seed(seed int64) {
r.lk.Lock()
r.src.Seed(seed)
r.lk.Unlock()
}
// MaxRetry is the maximum number of retries before stopping.
var MaxRetry = 5
// MaxJitter will randomize over the full exponential backoff time
const MaxJitter = 1.0
// NoJitter disables the use of jitter for randomizing the exponential backoff time
const NoJitter = 0.0
// Global random source for fetching random values.
var globalRandomSource = rand.New(&lockedRandSource{
src: rand.NewSource(time.Now().UTC().UnixNano()),
})
// newRetryTimer creates a timer with exponentially increasing delays
// until the maximum retry attempts are reached.
func newRetryTimer(unit time.Duration, cap time.Duration, jitter float64, doneCh chan struct{}) <-chan struct{} {
attemptCh := make(chan struct{})
// computes the exponential backoff duration according to
// https://www.awsarchitectureblog.com/2015/03/backoff.html
exponentialBackoffWait := func(attempt int) time.Duration {
// normalize jitter to the range [0, 1.0]
if jitter < NoJitter {
jitter = NoJitter
}
if jitter > MaxJitter {
jitter = MaxJitter
}
//sleep = random_between(0, min(cap, base * 2 ** attempt))
sleep := unit * time.Duration(1<<uint(attempt))
if sleep > cap {
sleep = cap
}
if jitter != NoJitter {
sleep -= time.Duration(globalRandomSource.Float64() * float64(sleep) * jitter)
}
return sleep
}
go func() {
defer close(attemptCh)
var nextBackoff int
for {
select {
// Attempts starts.
case attemptCh <- struct{}{}:
nextBackoff++
case <-globalWakeupCh:
// Reset nextBackoff to reduce the subsequent wait and re-read
// format.json from all disks again.
nextBackoff = 0
case <-doneCh:
// Stop the routine.
return
}
time.Sleep(exponentialBackoffWait(nextBackoff))
}
}()
return attemptCh
}

67
cmd/routers.go
View File

@ -31,15 +31,15 @@ func newObjectLayerFn() ObjectLayer {
}
// newObjectLayer - initialize any object layer depending on the number of disks.
func newObjectLayer(disks, ignoredDisks []string) (ObjectLayer, error) {
func newObjectLayer(storageDisks []StorageAPI) (ObjectLayer, error) {
var objAPI ObjectLayer
var err error
if len(disks) == 1 {
if len(storageDisks) == 1 {
// Initialize FS object layer.
objAPI, err = newFSObjects(disks[0])
objAPI, err = newFSObjects(storageDisks[0])
} else {
// Initialize XL object layer.
objAPI, err = newXLObjects(disks, ignoredDisks)
objAPI, err = newXLObjects(storageDisks)
}
if err != nil {
return nil, err
@ -58,20 +58,18 @@ func newObjectLayer(disks, ignoredDisks []string) (ObjectLayer, error) {
return nil, err
}
// Register the callback that should be called when the process shuts down.
globalShutdownCBs.AddObjectLayerCB(func() errCode {
if objAPI != nil {
if sErr := objAPI.Shutdown(); sErr != nil {
errorIf(err, "Unable to shutdown object API.")
return exitFailure
if globalShutdownCBs != nil {
// Register the callback that should be called when the process shuts down.
globalShutdownCBs.AddObjectLayerCB(func() errCode {
if objAPI != nil {
if sErr := objAPI.Shutdown(); sErr != nil {
errorIf(err, "Unable to shutdown object API.")
return exitFailure
}
}
}
return exitSuccess
})
// Initialize a new event notifier.
err = initEventNotifier(objAPI)
fatalIf(err, "Unable to initialize event notification.")
return exitSuccess
})
}
// Initialize and load bucket policies.
err = initBucketPolicies(objAPI)
@ -83,45 +81,28 @@ func newObjectLayer(disks, ignoredDisks []string) (ObjectLayer, error) {
// configureServer handler returns final handler for the http server.
func configureServerHandler(srvCmdConfig serverCmdConfig) http.Handler {
// Initialize storage rpc servers for every disk that is hosted on this node.
storageRPCs, err := newRPCServer(srvCmdConfig)
fatalIf(err, "Unable to initialize storage RPC server.")
// Initialize API.
apiHandlers := objectAPIHandlers{
ObjectAPI: newObjectLayerFn,
}
// Initialize Web.
webHandlers := &webAPIHandlers{
ObjectAPI: newObjectLayerFn,
}
// Initialize Controller.
controllerHandlers := &controllerAPIHandlers{
ObjectAPI: newObjectLayerFn,
}
// Initialize router.
mux := router.NewRouter()
// Register all routers.
registerStorageRPCRouters(mux, storageRPCs)
// Register storage rpc router.
registerStorageRPCRouters(mux, srvCmdConfig)
// Initialize distributed NS lock.
initDistributedNSLock(mux, srvCmdConfig)
if isDistributedSetup(srvCmdConfig.disks) {
registerDistNSLockRouter(mux, srvCmdConfig)
}
// Register controller rpc router.
registerControllerRPCRouter(mux, controllerHandlers)
registerControllerRPCRouter(mux, srvCmdConfig)
// set environmental variable MINIO_BROWSER=off to disable minio web browser.
// By default minio web browser is enabled.
if !strings.EqualFold(os.Getenv("MINIO_BROWSER"), "off") {
registerWebRouter(mux, webHandlers)
registerWebRouter(mux)
}
// Add new routers here.
registerAPIRouter(mux, apiHandlers)
// Add API router.
registerAPIRouter(mux)
// List of some generic handlers which are applied for all incoming requests.
var handlerFns = []HandlerFunc{

153
cmd/server-main.go
View File

@ -28,8 +28,6 @@ import (
"github.com/minio/cli"
)
var srvConfig serverCmdConfig
var serverFlags = []cli.Flag{
cli.StringFlag{
Name: "address",
@ -65,6 +63,9 @@ ENVIRONMENT VARIABLES:
MINIO_CACHE_SIZE: Set total cache size in NN[GB|MB|KB]. Defaults to 8GB.
MINIO_CACHE_EXPIRY: Set cache expiration duration in NN[h|m|s]. Defaults to 72 hours.
SECURITY:
MINIO_SECURE_CONSOLE: Set secure console to '0' to disable printing secret key. Defaults to '1'.
EXAMPLES:
1. Start minio server.
$ minio {{.Name}} /home/shared
@ -98,6 +99,7 @@ type serverCmdConfig struct {
serverAddr string
disks []string
ignoredDisks []string
storageDisks []StorageAPI
}
// getListenIPs - gets all the ips to listen on.
@ -241,13 +243,21 @@ func checkNamingDisks(disks []string) error {
return nil
}
// Check server arguments.
func checkServerSyntax(c *cli.Context) {
if !c.Args().Present() || c.Args().First() == "help" {
cli.ShowCommandHelpAndExit(c, "server", 1)
func validateRemoteDisks(disks []StorageAPI) error {
for _, disk := range disks {
_, err := disk.DiskInfo()
if _, ok := err.(*net.OpError); ok {
continue
}
return err
}
disks := c.Args()
if len(disks) > 1 {
return nil
}
// Validate input disks.
func validateDisks(disks []string, ignoredDisks []string) []StorageAPI {
isXL := len(disks) > 1
if isXL {
// Validate if input disks have duplicates in them.
err := checkDuplicates(disks)
fatalIf(err, "Invalid disk arguments for server.")
@ -262,6 +272,13 @@ func checkServerSyntax(c *cli.Context) {
err = checkNamingDisks(disks)
fatalIf(err, "Invalid disk arguments for server.")
}
storageDisks, err := initStorageDisks(disks, ignoredDisks)
fatalIf(err, "Unable to initialize storage disks.")
if isXL {
err = validateRemoteDisks(storageDisks)
fatalIf(err, "Unable to validate remote disks.")
}
return storageDisks
}
// Extract port number from address address should be of the form host:port.
@ -296,57 +313,21 @@ func isDistributedSetup(disks []string) (isDist bool) {
return isDist
}
// Format disks before initialization object layer.
func formatDisks(disks, ignoredDisks []string) error {
storageDisks, err := waitForFormattingDisks(disks, ignoredDisks)
for _, storage := range storageDisks {
if storage == nil {
continue
}
switch store := storage.(type) {
// Closing associated TCP connections since
// []StorageAPI is garbage collected eventually.
case networkStorage:
store.rpcClient.Close()
}
}
if err != nil {
return err
}
if isLocalStorage(disks[0]) {
// notify every one else that they can try init again.
for _, storage := range storageDisks {
switch store := storage.(type) {
// Closing associated TCP connections since
// []StorageAPI is garbage collected
// eventually.
case networkStorage:
var reply GenericReply
_ = store.rpcClient.Call("Storage.TryInitHandler", &GenericArgs{}, &reply)
}
}
}
return nil
}
// serverMain handler called for 'minio server' command.
func serverMain(c *cli.Context) {
// Check 'server' cli arguments.
checkServerSyntax(c)
// Initialize server config.
initServerConfig(c)
// If https.
tls := isSSL()
if !c.Args().Present() || c.Args().First() == "help" {
cli.ShowCommandHelpAndExit(c, "server", 1)
}
// Server address.
serverAddress := c.String("address")
// Check if requested port is available.
port := getPort(serverAddress)
err := checkPortAvailability(port)
fatalIf(err, "Port unavailable %d", port)
fatalIf(checkPortAvailability(port), "Port unavailable %d", port)
// Saves port in a globally accessible value.
globalMinioPort = port
// Disks to be ignored in server init, to skip format healing.
ignoredDisks := strings.Split(c.String("ignore-disks"), ",")
@ -354,8 +335,35 @@ func serverMain(c *cli.Context) {
// Disks to be used in server init.
disks := c.Args()
isDist := isDistributedSetup(disks)
// Check 'server' cli arguments.
storageDisks := validateDisks(disks, ignoredDisks)
// Initialize server config.
initServerConfig(c)
// If https.
tls := isSSL()
// First disk argument check if it is local.
firstDisk := isLocalStorage(disks[0])
// Initialize and monitor shutdown signals.
err := initGracefulShutdown(os.Exit)
fatalIf(err, "Unable to initialize graceful shutdown operation")
// Configure server.
srvConfig := serverCmdConfig{
serverAddr: serverAddress,
disks: disks,
ignoredDisks: ignoredDisks,
storageDisks: storageDisks,
}
// Configure server.
handler := configureServerHandler(srvConfig)
// Set nodes for dsync for distributed setup.
isDist := isDistributedSetup(disks)
if isDist {
err = initDsyncNodes(disks, port)
fatalIf(err, "Unable to initialize distributed locking")
@ -364,20 +372,7 @@ func serverMain(c *cli.Context) {
// Initialize name space lock.
initNSLock(isDist)
// Configure server.
srvConfig = serverCmdConfig{
serverAddr: serverAddress,
disks: disks,
ignoredDisks: ignoredDisks,
}
// Initialize and monitor shutdown signals.
err = initGracefulShutdown(os.Exit)
fatalIf(err, "Unable to initialize graceful shutdown operation")
// Configure server.
handler := configureServerHandler(srvConfig)
// Initialize a new HTTP server.
apiServer := NewServerMux(serverAddress, handler)
// Fetch endpoints which we are going to serve from.
@ -405,28 +400,24 @@ func serverMain(c *cli.Context) {
}(tls, wait)
// Wait for formatting of disks.
err = formatDisks(disks, ignoredDisks)
if err != nil {
// FIXME: call graceful exit
errorIf(err, "formatting storage disks failed")
return
}
err = waitForFormatDisks(firstDisk, endPoints[0], storageDisks)
fatalIf(err, "formatting storage disks failed")
// Once formatted, initialize object layer.
newObject, err := newObjectLayer(disks, ignoredDisks)
if err != nil {
// FIXME: call graceful exit
errorIf(err, "intializing object layer failed")
return
}
// Prints the formatted startup message.
printStartupMessage(endPoints)
newObject, err := newObjectLayer(storageDisks)
fatalIf(err, "intializing object layer failed")
objLayerMutex.Lock()
globalObjectAPI = newObject
objLayerMutex.Unlock()
// Initialize a new event notifier.
err = initEventNotifier(newObjectLayerFn())
fatalIf(err, "Unable to initialize event notification.")
// Prints the formatted startup message once object layer is initialized.
printStartupMessage(endPoints)
// Waits on the server.
<-wait
}

18
cmd/server-main_test.go
View File

@ -23,7 +23,6 @@ import (
"os"
"path/filepath"
"runtime"
"strconv"
"testing"
"github.com/minio/cli"
@ -167,11 +166,11 @@ func TestCheckServerSyntax(t *testing.T) {
app := cli.NewApp()
app.Commands = []cli.Command{serverCmd}
serverFlagSet := flag.NewFlagSet("server", 0)
ctx := cli.NewContext(app, serverFlagSet, nil)
cli.NewContext(app, serverFlagSet, nil)
disksGen := func(n int) []string {
var disks []string
for i := 0; i < n; i++ {
disks = append(disks, "disk"+strconv.Itoa(i))
disks, err := getRandomDisks(n)
if err != nil {
t.Fatalf("Unable to initialie disks %s", err)
}
return disks
}
@ -181,12 +180,13 @@ func TestCheckServerSyntax(t *testing.T) {
disksGen(8),
disksGen(16),
}
for i, test := range testCases {
err := serverFlagSet.Parse(test)
for i, disks := range testCases {
err := serverFlagSet.Parse(disks)
if err != nil {
t.Errorf("Test %d failed to parse arguments %s", i+1, test)
t.Errorf("Test %d failed to parse arguments %s", i+1, disks)
}
checkServerSyntax(ctx)
defer removeRoots(disks)
_ = validateDisks(disks, nil)
}
}

38
cmd/server-startup-msg.go
View File

@ -18,9 +18,11 @@ package cmd
import (
"fmt"
"os"
"runtime"
"strings"
humanize "github.com/dustin/go-humanize"
"github.com/minio/mc/pkg/console"
)
@ -44,6 +46,7 @@ func printStartupMessage(endPoints []string) {
printServerCommonMsg(endPoints)
printCLIAccessMsg(endPoints[0])
printObjectAPIMsg()
printStorageInfo()
}
// Prints common server startup message. Prints credential, region and browser access.
@ -58,7 +61,11 @@ func printServerCommonMsg(endPoints []string) {
// Colorize the message and print.
console.Println(colorBlue("\nEndpoint: ") + colorBold(fmt.Sprintf(getFormatStr(len(endPointStr), 1), endPointStr)))
console.Println(colorBlue("AccessKey: ") + colorBold(fmt.Sprintf("%s ", cred.AccessKeyID)))
console.Println(colorBlue("SecretKey: ") + colorBold(fmt.Sprintf("%s ", cred.SecretAccessKey)))
secretKey := cred.SecretAccessKey
if os.Getenv("MINIO_SECURE_CONSOLE") == "0" {
secretKey = "*REDACTED*"
}
console.Println(colorBlue("SecretKey: ") + colorBold(fmt.Sprintf("%s ", secretKey)))
console.Println(colorBlue("Region: ") + colorBold(fmt.Sprintf(getFormatStr(len(region), 3), region)))
printEventNotifiers()
@ -90,11 +97,15 @@ func printCLIAccessMsg(endPoint string) {
// Configure 'mc', following block prints platform specific information for minio client.
console.Println(colorBlue("\nCommand-line Access: ") + mcQuickStartGuide)
secretKey := cred.SecretAccessKey
if os.Getenv("MINIO_SECURE_CONSOLE") == "0" {
secretKey = "*REDACTED*"
}
if runtime.GOOS == "windows" {
mcMessage := fmt.Sprintf("$ mc.exe config host add myminio %s %s %s", endPoint, cred.AccessKeyID, cred.SecretAccessKey)
mcMessage := fmt.Sprintf("$ mc.exe config host add myminio %s %s %s", endPoint, cred.AccessKeyID, secretKey)
console.Println(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
} else {
mcMessage := fmt.Sprintf("$ mc config host add myminio %s %s %s", endPoint, cred.AccessKeyID, cred.SecretAccessKey)
mcMessage := fmt.Sprintf("$ mc config host add myminio %s %s %s", endPoint, cred.AccessKeyID, secretKey)
console.Println(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
}
}
@ -107,3 +118,24 @@ func printObjectAPIMsg() {
console.Println(colorBlue(" Python: ") + fmt.Sprintf(getFormatStr(len(pyQuickStartGuide), 4), pyQuickStartGuide))
console.Println(colorBlue(" JavaScript: ") + jsQuickStartGuide)
}
// Get formatted disk/storage info message.
func getStorageInfoMsg() string {
storageInfo := newObjectLayerFn().StorageInfo()
msg := fmt.Sprintf("%s %s Free", colorBlue("Drive Capacity:"), humanize.IBytes(uint64(storageInfo.Free)))
diskInfo := fmt.Sprintf(" %d Online, %d Offline. We can withstand [%d] more drive failure(s).",
storageInfo.Backend.OnlineDisks,
storageInfo.Backend.OfflineDisks,
storageInfo.Backend.Quorum,
)
if storageInfo.Backend.Type == XL {
msg += colorBlue("\nStatus:") + fmt.Sprintf(getFormatStr(len(diskInfo), 8), diskInfo)
}
return msg
}
// Prints startup message of storage capacity and erasure information.
func printStorageInfo() {
console.Println()
console.Println(getStorageInfoMsg())
}

34
cmd/server-startup-msg_test.go Normal file
View File

@ -0,0 +1,34 @@
/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import "testing"
// Tests if we generate storage info.
func TestStorageInfoMsg(t *testing.T) {
obj, _, err := prepareXL()
if err != nil {
t.Fatal("Unable to initialize XL backend", err)
}
objLayerMutex.Lock()
globalObjectAPI = obj
objLayerMutex.Unlock()
if msg := getStorageInfoMsg(); msg == "" {
t.Fatal("Empty message string is not implemented")
}
}

56
cmd/signature-v2-utils.go
View File

@ -1,56 +0,0 @@
/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"bytes"
"net/url"
"sort"
"strings"
)
// Replaces any occurring '/' in string, into its encoded representation.
func percentEncodeSlash(s string) string {
return strings.Replace(s, "/", "%2F", -1)
}
// queryEncode - encodes query values in their URL encoded form. In
// addition to the percent encoding performed by getURLEncodedName() used
// here, it also percent encodes '/' (forward slash)
func queryEncode(v url.Values) string {
if v == nil {
return ""
}
var buf bytes.Buffer
keys := make([]string, 0, len(v))
for k := range v {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
vs := v[k]
prefix := percentEncodeSlash(getURLEncodedName(k)) + "="
for _, v := range vs {
if buf.Len() > 0 {
buf.WriteByte('&')
}
buf.WriteString(prefix)
buf.WriteString(percentEncodeSlash(getURLEncodedName(v)))
}
}
return buf.String()
}

53
cmd/signature-v2_test.go
View File

@ -22,59 +22,6 @@ func TestResourceListSorting(t *testing.T) {
}
}
// Tests validate the query encoding.
func TestQueryEncode(t *testing.T) {
testCases := []struct {
// Input.
input url.Values
// Expected result.
result string
}{
// % should be encoded as %25
{url.Values{
"key": []string{"thisisthe%url"},
}, "key=thisisthe%25url"},
// UTF-8 encoding.
{url.Values{
"key": []string{"本語"},
}, "key=%E6%9C%AC%E8%AA%9E"},
// UTF-8 encoding with ASCII.
{url.Values{
"key": []string{"本語.1"},
}, "key=%E6%9C%AC%E8%AA%9E.1"},
// Unusual ASCII characters.
{url.Values{
"key": []string{">123"},
}, "key=%3E123"},
// Fragment path characters.
{url.Values{
"key": []string{"myurl#link"},
}, "key=myurl%23link"},
// Space should be set to %20 not '+'.
{url.Values{
"key": []string{"space in url"},
}, "key=space%20in%20url"},
// '+' shouldn't be treated as space.
{url.Values{
"key": []string{"url+path"},
}, "key=url%2Bpath"},
// '/' shouldn't be treated as '/' should be percent coded.
{url.Values{
"key": []string{"url/+path"},
}, "key=url%2F%2Bpath"},
// Values is empty and empty string.
{nil, ""},
}
// Tests generated values from url encoded name.
for i, testCase := range testCases {
result := queryEncode(testCase.input)
if testCase.result != result {
t.Errorf("Test %d: Expected queryEncoded result to be \"%s\", but found it to be \"%s\" instead", i+1, testCase.result, result)
}
}
}
func TestDoesPresignedV2SignatureMatch(t *testing.T) {
root, err := newTestConfig("us-east-1")
if err != nil {

105
cmd/signature-verify-reader.go
View File

@ -1,105 +0,0 @@
/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"encoding/hex"
"fmt"
"hash"
"io"
"net/http"
"github.com/minio/sha256-simd"
)
// signVerifyReader represents an io.Reader compatible interface which
// transparently calculates sha256, caller should call `Verify()` to
// validate the signature header.
type signVerifyReader struct {
Request *http.Request // HTTP request to be validated and read.
HashWriter hash.Hash // sha256 hash writer.
}
// Initializes a new signature verify reader.
func newSignVerify(req *http.Request) *signVerifyReader {
return &signVerifyReader{
Request: req, // Save the request.
HashWriter: sha256.New(), // Inititalize sha256.
}
}
// isSignVerify - is given reader a `signVerifyReader`.
func isSignVerify(reader io.Reader) bool {
_, ok := reader.(*signVerifyReader)
return ok
}
// Verify - verifies signature and returns error upon signature mismatch.
func (v *signVerifyReader) Verify() error {
region := serverConfig.GetRegion()
shaPayloadHex := hex.EncodeToString(v.HashWriter.Sum(nil))
if skipContentSha256Cksum(v.Request) {
// Sets 'UNSIGNED-PAYLOAD' if client requested to not calculated sha256.
shaPayloadHex = unsignedPayload
}
// Signature verification block.
var s3Error APIErrorCode
if isRequestSignatureV4(v.Request) {
s3Error = doesSignatureMatch(shaPayloadHex, v.Request, region)
} else if isRequestPresignedSignatureV4(v.Request) {
s3Error = doesPresignedSignatureMatch(shaPayloadHex, v.Request, region)
} else {
// Couldn't figure out the request type, set the error as AccessDenied.
s3Error = ErrAccessDenied
}
// Set signature error as 'errSignatureMismatch' if possible.
var sErr error
// Validate if we have received signature mismatch or sha256 mismatch.
if s3Error != ErrNone {
switch s3Error {
case ErrContentSHA256Mismatch:
sErr = errContentSHA256Mismatch
case ErrSignatureDoesNotMatch:
sErr = errSignatureMismatch
default:
sErr = fmt.Errorf("%v", getAPIError(s3Error))
}
return sErr
}
return nil
}
// Reads from request body and writes to hash writer. All reads performed
// through it are matched with corresponding writes to hash writer. There is
// no internal buffering the write must complete before the read completes.
// Any error encountered while writing is reported as a read error. As a
// special case `Read()` skips writing to hash writer if the client requested
// for the payload to be skipped.
func (v *signVerifyReader) Read(b []byte) (n int, err error) {
n, err = v.Request.Body.Read(b)
if n > 0 {
// Skip calculating the hash.
if skipContentSha256Cksum(v.Request) {
return
}
// Stagger all reads to its corresponding writes to hash writer.
if n, err = v.HashWriter.Write(b[:n]); err != nil {
return n, err
}
}
return
}

3
cmd/storage-errors.go
View File

@ -59,6 +59,3 @@ var errVolumeAccessDenied = errors.New("volume access denied")
// errVolumeAccessDenied - cannot access file, insufficient permissions.
var errFileAccessDenied = errors.New("file access denied")
// errVolumeBusy - remote disk is not connected to yet.
var errVolumeBusy = errors.New("volume is busy")

3
cmd/storage-interface.go
View File

@ -20,6 +20,9 @@ import "github.com/minio/minio/pkg/disk"
// StorageAPI interface.
type StorageAPI interface {
// Stringified version of disk.
String() string
// Storage operations.
DiskInfo() (info disk.Info, err error)

8
cmd/storage-rpc-client.go
View File

@ -100,8 +100,7 @@ func newRPCClient(networkPath string) (StorageAPI, error) {
// Dial minio rpc storage http path.
rpcPath := path.Join(storageRPCPath, netPath)
port := getPort(srvConfig.serverAddr)
rpcAddr := netAddr + ":" + strconv.Itoa(port)
rpcAddr := netAddr + ":" + strconv.Itoa(globalMinioPort)
// Initialize rpc client with network address and rpc path.
cred := serverConfig.GetCredential()
rpcClient := newAuthClient(&authConfig{
@ -123,6 +122,11 @@ func newRPCClient(networkPath string) (StorageAPI, error) {
return ndisk, nil
}
// Stringer interface compatible representation of network device.
func (n networkStorage) String() string {
return n.netAddr + ":" + n.netPath
}
// DiskInfo - fetch disk information for a remote disk.
func (n networkStorage) DiskInfo() (info disk.Info, err error) {
args := GenericArgs{}

114
cmd/storage-rpc-client_test.go Normal file
View File

@ -0,0 +1,114 @@
/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"errors"
"fmt"
"io"
"net"
"net/rpc"
"testing"
)
// Tests storage error transformation.
func TestStorageErr(t *testing.T) {
unknownErr := errors.New("Unknown error")
testCases := []struct {
expectedErr error
err error
}{
{
expectedErr: nil,
err: nil,
},
{
expectedErr: io.EOF,
err: fmt.Errorf("%s", io.EOF.Error()),
},
{
expectedErr: io.ErrUnexpectedEOF,
err: fmt.Errorf("%s", io.ErrUnexpectedEOF.Error()),
},
{
expectedErr: errDiskNotFound,
err: &net.OpError{},
},
{
expectedErr: errDiskNotFound,
err: rpc.ErrShutdown,
},
{
expectedErr: errUnexpected,
err: fmt.Errorf("%s", errUnexpected.Error()),
},
{
expectedErr: errDiskFull,
err: fmt.Errorf("%s", errDiskFull.Error()),
},
{
expectedErr: errVolumeNotFound,
err: fmt.Errorf("%s", errVolumeNotFound.Error()),
},
{
expectedErr: errVolumeExists,
err: fmt.Errorf("%s", errVolumeExists.Error()),
},
{
expectedErr: errFileNotFound,
err: fmt.Errorf("%s", errFileNotFound.Error()),
},
{
expectedErr: errFileAccessDenied,
err: fmt.Errorf("%s", errFileAccessDenied.Error()),
},
{
expectedErr: errIsNotRegular,
err: fmt.Errorf("%s", errIsNotRegular.Error()),
},
{
expectedErr: errVolumeNotEmpty,
err: fmt.Errorf("%s", errVolumeNotEmpty.Error()),
},
{
expectedErr: errVolumeAccessDenied,
err: fmt.Errorf("%s", errVolumeAccessDenied.Error()),
},
{
expectedErr: errCorruptedFormat,
err: fmt.Errorf("%s", errCorruptedFormat.Error()),
},
{
expectedErr: errUnformattedDisk,
err: fmt.Errorf("%s", errUnformattedDisk.Error()),
},
{
expectedErr: errFileNameTooLong,
err: fmt.Errorf("%s", errFileNameTooLong.Error()),
},
{
expectedErr: unknownErr,
err: unknownErr,
},
}
for i, testCase := range testCases {
resultErr := toStorageErr(testCase.err)
if testCase.expectedErr != resultErr {
t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.expectedErr, resultErr)
}
}
}

20
cmd/storage-rpc-server.go
View File

@ -205,6 +205,18 @@ func (s *storageServer) RenameFileHandler(args *RenameFileArgs, reply *GenericRe
return s.storage.RenameFile(args.SrcVol, args.SrcPath, args.DstVol, args.DstPath)
}
// TryInitHandler - wake up storage server.
func (s *storageServer) TryInitHandler(args *GenericArgs, reply *GenericReply) error {
if !isRPCTokenValid(args.Token) {
return errInvalidToken
}
go func() {
globalWakeupCh <- struct{}{}
}()
*reply = GenericReply{}
return nil
}
// Initialize new storage rpc.
func newRPCServer(serverConfig serverCmdConfig) (servers []*storageServer, err error) {
// Initialize posix storage API.
@ -245,9 +257,13 @@ func newRPCServer(serverConfig serverCmdConfig) (servers []*storageServer, err e
}
// registerStorageRPCRouter - register storage rpc router.
func registerStorageRPCRouters(mux *router.Router, stServers []*storageServer) {
func registerStorageRPCRouters(mux *router.Router, srvCmdConfig serverCmdConfig) {
// Initialize storage rpc servers for every disk that is hosted on this node.
storageRPCs, err := newRPCServer(srvCmdConfig)
fatalIf(err, "Unable to initialize storage RPC server.")
// Create a unique route for each disk exported from this node.
for _, stServer := range stServers {
for _, stServer := range storageRPCs {
storageRPCServer := rpc.NewServer()
storageRPCServer.RegisterName("Storage", stServer)
// Add minio storage routes.

393
cmd/test-utils_test.go
View File

@ -40,6 +40,7 @@ import (
"testing"
"time"
"github.com/fatih/color"
router "github.com/gorilla/mux"
)
@ -48,6 +49,9 @@ func init() {
// Initialize name space lock.
isDist := false
initNSLock(isDist)
// Disable printing console messages during tests.
color.Output = ioutil.Discard
}
func prepareFS() (ObjectLayer, string, error) {
@ -55,7 +59,7 @@ func prepareFS() (ObjectLayer, string, error) {
if err != nil {
return nil, "", err
}
obj, err := getSingleNodeObjectLayer(fsDirs[0])
obj, _, err := initObjectLayer(fsDirs, nil)
if err != nil {
removeRoots(fsDirs)
return nil, "", err
@ -69,7 +73,7 @@ func prepareXL() (ObjectLayer, []string, error) {
if err != nil {
return nil, nil, err
}
obj, err := getXLObjectLayer(fsDirs, nil)
obj, _, err := initObjectLayer(fsDirs, nil)
if err != nil {
removeRoots(fsDirs)
return nil, nil, err
@ -170,13 +174,20 @@ func StartTestServer(t TestErrHandler, instanceType string) TestServer {
testServer.Disks = disks
testServer.AccessKey = credentials.AccessKeyID
testServer.SecretKey = credentials.SecretAccessKey
// Run TestServer.
testServer.Server = httptest.NewServer(configureServerHandler(serverCmdConfig{disks: disks}))
objLayer, err := makeTestBackend(disks, instanceType)
objLayer, storageDisks, err := initObjectLayer(disks, nil)
if err != nil {
t.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
}
// Run TestServer.
testServer.Server = httptest.NewServer(configureServerHandler(
serverCmdConfig{
disks: disks,
storageDisks: storageDisks,
},
))
testServer.Obj = objLayer
objLayerMutex.Lock()
globalObjectAPI = objLayer
@ -186,16 +197,10 @@ func StartTestServer(t TestErrHandler, instanceType string) TestServer {
// Initializes control RPC end points.
// The object Layer will be a temp back used for testing purpose.
func initTestControlRPCEndPoint(objectLayer ObjectLayer) http.Handler {
// Initialize Web.
controllerHandlers := &controllerAPIHandlers{
ObjectAPI: func() ObjectLayer { return objectLayer },
}
func initTestControlRPCEndPoint(srvCmdConfig serverCmdConfig) http.Handler {
// Initialize router.
muxRouter := router.NewRouter()
registerControllerRPCRouter(muxRouter, controllerHandlers)
registerControllerRPCRouter(muxRouter, srvCmdConfig)
return muxRouter
}
@ -208,20 +213,14 @@ func StartTestRPCServer(t TestErrHandler, instanceType string) TestServer {
if err != nil {
t.Fatal("Failed to create disks for the backend")
}
// create an instance of TestServer.
testRPCServer := TestServer{}
// create temporary backend for the test server.
objLayer, err := makeTestBackend(disks, instanceType)
if err != nil {
t.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
}
root, err := newTestConfig("us-east-1")
if err != nil {
t.Fatalf("%s", err)
}
// create an instance of TestServer.
testRPCServer := TestServer{}
// Get credential.
credentials := serverConfig.GetCredential()
@ -229,9 +228,21 @@ func StartTestRPCServer(t TestErrHandler, instanceType string) TestServer {
testRPCServer.Disks = disks
testRPCServer.AccessKey = credentials.AccessKeyID
testRPCServer.SecretKey = credentials.SecretAccessKey
testRPCServer.Obj = objLayer
// create temporary backend for the test server.
objLayer, storageDisks, err := initObjectLayer(disks, nil)
if err != nil {
t.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
}
objLayerMutex.Lock()
globalObjectAPI = objLayer
objLayerMutex.Unlock()
// Run TestServer.
testRPCServer.Server = httptest.NewServer(initTestControlRPCEndPoint(objLayer))
testRPCServer.Server = httptest.NewServer(initTestControlRPCEndPoint(serverCmdConfig{
storageDisks: storageDisks,
}))
return testRPCServer
}
@ -476,6 +487,38 @@ func newTestStreamingSignedRequest(method, urlStr string, contentLength, chunkSi
return req, nil
}
// Replaces any occurring '/' in string, into its encoded representation.
func percentEncodeSlash(s string) string {
return strings.Replace(s, "/", "%2F", -1)
}
// queryEncode - encodes query values in their URL encoded form. In
// addition to the percent encoding performed by getURLEncodedName() used
// here, it also percent encodes '/' (forward slash)
func queryEncode(v url.Values) string {
if v == nil {
return ""
}
var buf bytes.Buffer
keys := make([]string, 0, len(v))
for k := range v {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
vs := v[k]
prefix := percentEncodeSlash(getURLEncodedName(k)) + "="
for _, v := range vs {
if buf.Len() > 0 {
buf.WriteByte('&')
}
buf.WriteString(prefix)
buf.WriteString(percentEncodeSlash(getURLEncodedName(v)))
}
}
return buf.String()
}
// preSignV2 - presign the request in following style.
// https://${S3_BUCKET}.s3.amazonaws.com/${S3_OBJECT}?AWSAccessKeyId=${S3_ACCESS_KEY}&Expires=${TIMESTAMP}&Signature=${SIGNATURE}.
func preSignV2(req *http.Request, accessKeyID, secretAccessKey string, expires int64) error {
@ -860,31 +903,6 @@ func getTestWebRPCResponse(resp *httptest.ResponseRecorder, data interface{}) er
return nil
}
// creates the temp backend setup.
// if the option is
// FS: Returns a temp single disk setup initializes FS Backend.
// XL: Returns a 16 temp single disk setup and initializse XL Backend.
func makeTestBackend(disks []string, instanceType string) (ObjectLayer, error) {
switch instanceType {
case "FS":
objLayer, err := getSingleNodeObjectLayer(disks[0])
if err != nil {
return nil, err
}
return objLayer, err
case "XL":
objectLayer, err := getXLObjectLayer(disks, nil)
if err != nil {
return nil, err
}
return objectLayer, err
default:
errMsg := "Invalid instance type, Only FS and XL are valid options"
return nil, fmt.Errorf("Failed obtaining Temp XL layer: <ERROR> %s", errMsg)
}
}
var src = rand.NewSource(time.Now().UTC().UnixNano())
// Function to generate random string for bucket/object names.
@ -1216,33 +1234,31 @@ func getRandomDisks(N int) ([]string, error) {
return erasureDisks, nil
}
// getXLObjectLayer - Instantiates XL object layer and returns it.
func getXLObjectLayer(erasureDisks []string, ignoredDisks []string) (ObjectLayer, error) {
err := formatDisks(erasureDisks, ignoredDisks)
// initObjectLayer - Instantiates object layer and returns it.
func initObjectLayer(disks []string, ignoredDisks []string) (ObjectLayer, []StorageAPI, error) {
storageDisks, err := initStorageDisks(disks, ignoredDisks)
if err != nil {
return nil, err
return nil, nil, err
}
objLayer, err := newXLObjects(erasureDisks, ignoredDisks)
err = waitForFormatDisks(true, "", storageDisks)
if err != nil {
return nil, err
return nil, nil, err
}
objLayer, err := newObjectLayer(storageDisks)
if err != nil {
return nil, nil, err
}
// Disabling the cache for integration tests.
// Should use the object layer tests for validating cache.
if xl, ok := objLayer.(xlObjects); ok {
xl.objCacheEnabled = false
}
return objLayer, nil
}
// getSingleNodeObjectLayer - Instantiates single node object layer and returns it.
func getSingleNodeObjectLayer(disk string) (ObjectLayer, error) {
// Create the object layer.
objLayer, err := newFSObjects(disk)
if err != nil {
return nil, err
}
return objLayer, nil
// Success.
return objLayer, storageDisks, nil
}
// removeRoots - Cleans up initialized directories during tests.
@ -1262,6 +1278,48 @@ func removeDiskN(disks []string, n int) {
}
}
// Makes a entire new copy of a StorageAPI slice.
func deepCopyStorageDisks(storageDisks []StorageAPI) []StorageAPI {
newStorageDisks := make([]StorageAPI, len(storageDisks))
for i, disk := range storageDisks {
newStorageDisks[i] = disk
}
return newStorageDisks
}
// Initializes storage disks with 'N' errored disks, N disks return 'err' for each disk access.
func prepareNErroredDisks(storageDisks []StorageAPI, offline int, err error, t *testing.T) []StorageAPI {
if offline > len(storageDisks) {
t.Fatal("Requested more offline disks than supplied storageDisks slice", offline, len(storageDisks))
}
for i := 0; i < offline; i++ {
d := storageDisks[i].(*posix)
storageDisks[i] = &naughtyDisk{disk: d, defaultErr: err}
}
return storageDisks
}
// Initializes storage disks with 'N' offline disks, N disks returns 'errDiskNotFound' for each disk access.
func prepareNOfflineDisks(storageDisks []StorageAPI, offline int, t *testing.T) []StorageAPI {
return prepareNErroredDisks(storageDisks, offline, errDiskNotFound, t)
}
// Initializes backend storage disks.
func prepareXLStorageDisks(t *testing.T) ([]StorageAPI, []string) {
nDisks := 16
fsDirs, err := getRandomDisks(nDisks)
if err != nil {
t.Fatal("Unexpected error: ", err)
}
_, storageDisks, err := initObjectLayer(fsDirs, nil)
if err != nil {
removeRoots(fsDirs)
t.Fatal("Unable to initialize storage disks", err)
}
return storageDisks, fsDirs
}
// creates a bucket for the tests and returns the bucket name.
// initializes the specified API endpoints for the tests.
// initialies the root and returns its path.
@ -1370,7 +1428,7 @@ func ExecObjectLayerStaleFilesTest(t *testing.T, objTest objTestStaleFilesType)
if err != nil {
t.Fatalf("Initialization of disks for XL setup: %s", err)
}
objLayer, err := getXLObjectLayer(erasureDisks, nil)
objLayer, _, err := initObjectLayer(erasureDisks, nil)
if err != nil {
t.Fatalf("Initialization of object layer failed for XL setup: %s", err)
}
@ -1379,105 +1437,79 @@ func ExecObjectLayerStaleFilesTest(t *testing.T, objTest objTestStaleFilesType)
defer removeRoots(erasureDisks)
}
// addAPIFunc helper function to add API functions identified by name to the routers.
func addAPIFunc(muxRouter *router.Router, apiRouter *router.Router, bucket *router.Router,
api objectAPIHandlers, apiFunction string) {
switch apiFunction {
// Register ListBuckets handler.
case "ListBuckets":
apiRouter.Methods("GET").HandlerFunc(api.ListBucketsHandler)
// Register GetObject handler.
case "GetObject":
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(api.GetObjectHandler)
// Register PutObject handler.
case "PutObject":
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(api.PutObjectHandler)
// Register Delete Object handler.
case "DeleteObject":
bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(api.DeleteObjectHandler)
// Register Copy Object handler.
case "CopyObject":
bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(api.CopyObjectHandler)
// Register PutBucket Policy handler.
case "PutBucketPolicy":
bucket.Methods("PUT").HandlerFunc(api.PutBucketPolicyHandler).Queries("policy", "")
// Register Delete bucket HTTP policy handler.
case "DeleteBucketPolicy":
bucket.Methods("DELETE").HandlerFunc(api.DeleteBucketPolicyHandler).Queries("policy", "")
// Register Get Bucket policy HTTP Handler.
case "GetBucketPolicy":
bucket.Methods("GET").HandlerFunc(api.GetBucketPolicyHandler).Queries("policy", "")
// Register GetBucketLocation handler.
case "GetBucketLocation":
bucket.Methods("GET").HandlerFunc(api.GetBucketLocationHandler).Queries("location", "")
// Register HeadBucket handler.
case "HeadBucket":
bucket.Methods("HEAD").HandlerFunc(api.HeadBucketHandler)
// Register New Multipart upload handler.
case "NewMultipart":
bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(api.NewMultipartUploadHandler).Queries("uploads", "")
// Register PutObjectPart handler.
case "PutObjectPart":
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(api.PutObjectPartHandler).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
// Register ListObjectParts handler.
case "ListObjectParts":
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(api.ListObjectPartsHandler).Queries("uploadId", "{uploadId:.*}")
// Register ListMultipartUploads handler.
case "ListMultipartUploads":
bucket.Methods("GET").HandlerFunc(api.ListMultipartUploadsHandler).Queries("uploads", "")
// Register Complete Multipart Upload handler.
case "CompleteMultipart":
bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(api.CompleteMultipartUploadHandler).Queries("uploadId", "{uploadId:.*}")
// Register GetBucketNotification Handler.
case "GetBucketNotification":
bucket.Methods("GET").HandlerFunc(api.GetBucketNotificationHandler).Queries("notification", "")
// Register PutBucketNotification Handler.
case "PutBucketNotification":
bucket.Methods("PUT").HandlerFunc(api.PutBucketNotificationHandler).Queries("notification", "")
// Register ListenBucketNotification Handler.
case "ListenBucketNotification":
bucket.Methods("GET").HandlerFunc(api.ListenBucketNotificationHandler).Queries("events", "{events:.*}")
// Register all api endpoints by default.
default:
registerAPIRouter(muxRouter, api)
// No need to register any more end points, all the end points are registered.
break
func registerBucketLevelFunc(bucket *router.Router, api objectAPIHandlers, apiFunctions ...string) {
for _, apiFunction := range apiFunctions {
switch apiFunction {
case "PostPolicy":
// Register PostPolicy handler.
bucket.Methods("POST").HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(api.PostPolicyBucketHandler)
// Register GetObject handler.
case "GetObject":
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(api.GetObjectHandler)
// Register PutObject handler.
case "PutObject":
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(api.PutObjectHandler)
// Register Delete Object handler.
case "DeleteObject":
bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(api.DeleteObjectHandler)
// Register Copy Object handler.
case "CopyObject":
bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(api.CopyObjectHandler)
// Register PutBucket Policy handler.
case "PutBucketPolicy":
bucket.Methods("PUT").HandlerFunc(api.PutBucketPolicyHandler).Queries("policy", "")
// Register Delete bucket HTTP policy handler.
case "DeleteBucketPolicy":
bucket.Methods("DELETE").HandlerFunc(api.DeleteBucketPolicyHandler).Queries("policy", "")
// Register Get Bucket policy HTTP Handler.
case "GetBucketPolicy":
bucket.Methods("GET").HandlerFunc(api.GetBucketPolicyHandler).Queries("policy", "")
// Register GetBucketLocation handler.
case "GetBucketLocation":
bucket.Methods("GET").HandlerFunc(api.GetBucketLocationHandler).Queries("location", "")
// Register HeadBucket handler.
case "HeadBucket":
bucket.Methods("HEAD").HandlerFunc(api.HeadBucketHandler)
// Register New Multipart upload handler.
case "NewMultipart":
bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(api.NewMultipartUploadHandler).Queries("uploads", "")
// Register PutObjectPart handler.
case "PutObjectPart":
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(api.PutObjectPartHandler).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
// Register ListObjectParts handler.
case "ListObjectParts":
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(api.ListObjectPartsHandler).Queries("uploadId", "{uploadId:.*}")
// Register ListMultipartUploads handler.
case "ListMultipartUploads":
bucket.Methods("GET").HandlerFunc(api.ListMultipartUploadsHandler).Queries("uploads", "")
// Register Complete Multipart Upload handler.
case "CompleteMultipart":
bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(api.CompleteMultipartUploadHandler).Queries("uploadId", "{uploadId:.*}")
// Register GetBucketNotification Handler.
case "GetBucketNotification":
bucket.Methods("GET").HandlerFunc(api.GetBucketNotificationHandler).Queries("notification", "")
// Register PutBucketNotification Handler.
case "PutBucketNotification":
bucket.Methods("PUT").HandlerFunc(api.PutBucketNotificationHandler).Queries("notification", "")
// Register ListenBucketNotification Handler.
case "ListenBucketNotification":
bucket.Methods("GET").HandlerFunc(api.ListenBucketNotificationHandler).Queries("events", "{events:.*}")
}
}
}
// Returns a http.Handler capable of routing API requests to handlers corresponding to apiFunctions,
// with ObjectAPI set to nil.
func initTestNilObjAPIEndPoints(apiFunctions []string) http.Handler {
muxRouter := router.NewRouter()
// All object storage operations are registered as HTTP handlers on `objectAPIHandlers`.
// When the handlers get a HTTP request they use the underlyting ObjectLayer to perform operations.
nilAPI := objectAPIHandlers{
ObjectAPI: func() ObjectLayer {
objLayerMutex.Lock()
defer objLayerMutex.Unlock()
globalObjectAPI = nil
return globalObjectAPI
},
// registerAPIFunctions helper function to add API functions identified by name to the routers.
func registerAPIFunctions(muxRouter *router.Router, objLayer ObjectLayer, apiFunctions ...string) {
if len(apiFunctions) == 0 {
// Register all api endpoints by default.
registerAPIRouter(muxRouter)
return
}
// API Router.
apiRouter := muxRouter.NewRoute().PathPrefix("/").Subrouter()
// Bucket router.
bucket := apiRouter.PathPrefix("/{bucket}").Subrouter()
// Iterate the list of API functions requested for and register them in mux HTTP handler.
for _, apiFunction := range apiFunctions {
addAPIFunc(muxRouter, apiRouter, bucket, nilAPI, apiFunction)
}
return muxRouter
}
bucketRouter := apiRouter.PathPrefix("/{bucket}").Subrouter()
// Takes in XL/FS object layer, and the list of API end points to be tested/required, registers the API end points and returns the HTTP handler.
// Need isolated registration of API end points while writing unit tests for end points.
// All the API end points are registered only for the default case.
func initTestAPIEndPoints(objLayer ObjectLayer, apiFunctions []string) http.Handler {
// initialize a new mux router.
// goriilla/mux is the library used to register all the routes and handle them.
muxRouter := router.NewRouter()
// All object storage operations are registered as HTTP handlers on `objectAPIHandlers`.
// When the handlers get a HTTP request they use the underlyting ObjectLayer to perform operations.
objLayerMutex.Lock()
@ -1488,26 +1520,49 @@ func initTestAPIEndPoints(objLayer ObjectLayer, apiFunctions []string) http.Hand
ObjectAPI: newObjectLayerFn,
}
// API Router.
apiRouter := muxRouter.NewRoute().PathPrefix("/").Subrouter()
// Bucket router.
bucket := apiRouter.PathPrefix("/{bucket}").Subrouter()
// Iterate the list of API functions requested for and register them in mux HTTP handler.
for _, apiFunction := range apiFunctions {
addAPIFunc(muxRouter, apiRouter, bucket, api, apiFunction)
// Register ListBuckets handler.
apiRouter.Methods("GET").HandlerFunc(api.ListBucketsHandler)
// Register all bucket level handlers.
registerBucketLevelFunc(bucketRouter, api, apiFunctions...)
}
// Returns a http.Handler capable of routing API requests to handlers corresponding to apiFunctions,
// with ObjectAPI set to nil.
func initTestNilObjAPIEndPoints(apiFunctions []string) http.Handler {
muxRouter := router.NewRouter()
if len(apiFunctions) > 0 {
// Iterate the list of API functions requested for and register them in mux HTTP handler.
registerAPIFunctions(muxRouter, nil, apiFunctions...)
return muxRouter
}
registerAPIRouter(muxRouter)
return muxRouter
}
// Takes in XL/FS object layer, and the list of API end points to be tested/required, registers the API end points and returns the HTTP handler.
// Need isolated registration of API end points while writing unit tests for end points.
// All the API end points are registered only for the default case.
func initTestAPIEndPoints(objLayer ObjectLayer, apiFunctions []string) http.Handler {
// initialize a new mux router.
// goriilla/mux is the library used to register all the routes and handle them.
muxRouter := router.NewRouter()
if len(apiFunctions) > 0 {
// Iterate the list of API functions requested for and register them in mux HTTP handler.
registerAPIFunctions(muxRouter, objLayer, apiFunctions...)
return muxRouter
}
registerAPIRouter(muxRouter)
return muxRouter
}
// Initialize Web RPC Handlers for testing
func initTestWebRPCEndPoint(objLayer ObjectLayer) http.Handler {
// Initialize Web.
webHandlers := &webAPIHandlers{
ObjectAPI: func() ObjectLayer { return objLayer },
}
objLayerMutex.Lock()
globalObjectAPI = objLayer
objLayerMutex.Unlock()
// Initialize router.
muxRouter := router.NewRouter()
registerWebRouter(muxRouter, webHandlers)
registerWebRouter(muxRouter)
return muxRouter
}

77
cmd/web-handlers_test.go
View File

@ -27,7 +27,6 @@ import (
"strings"
"testing"
router "github.com/gorilla/mux"
"github.com/minio/minio-go/pkg/policy"
)
@ -1016,9 +1015,9 @@ func testWebSetBucketPolicyHandler(obj ObjectLayer, instanceType string, t TestE
// TestWebCheckAuthorization - Test Authorization for all web handlers
func TestWebCheckAuthorization(t *testing.T) {
// Prepare XL backend
obj, fsDirs, e := prepareXL()
if e != nil {
t.Fatalf("Initialization of object layer failed for XL setup: %s", e)
obj, fsDirs, err := prepareXL()
if err != nil {
t.Fatalf("Initialization of object layer failed for XL setup: %s", err)
}
// Executing the object layer tests for XL.
defer removeRoots(fsDirs)
@ -1027,9 +1026,9 @@ func TestWebCheckAuthorization(t *testing.T) {
apiRouter := initTestWebRPCEndPoint(obj)
// initialize the server and obtain the credentials and root.
// credentials are necessary to sign the HTTP request.
rootPath, e := newTestConfig("us-east-1")
if e != nil {
t.Fatalf("Init Test config failed")
rootPath, err := newTestConfig("us-east-1")
if err != nil {
t.Fatal("Init Test config failed", err)
}
// remove the root folder after the test ends.
defer removeAll(rootPath)
@ -1042,9 +1041,9 @@ func TestWebCheckAuthorization(t *testing.T) {
for _, rpcCall := range webRPCs {
args := &GenericArgs{}
reply := &WebGenericRep{}
req, err := newTestWebRPCRequest("Web."+rpcCall, "Bearer fooauthorization", args)
if err != nil {
t.Fatalf("Test %s: Failed to create HTTP request: <ERROR> %v", rpcCall, err)
req, nerr := newTestWebRPCRequest("Web."+rpcCall, "Bearer fooauthorization", args)
if nerr != nil {
t.Fatalf("Test %s: Failed to create HTTP request: <ERROR> %v", rpcCall, nerr)
}
apiRouter.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
@ -1097,18 +1096,14 @@ func TestWebCheckAuthorization(t *testing.T) {
// TestWebObjectLayerNotReady - Test RPCs responses when disks are not ready
func TestWebObjectLayerNotReady(t *testing.T) {
webHandlers := &webAPIHandlers{
ObjectAPI: func() ObjectLayer { return nil },
}
// Initialize router.
apiRouter := router.NewRouter()
registerWebRouter(apiRouter, webHandlers)
// Initialize web rpc endpoint.
apiRouter := initTestWebRPCEndPoint(nil)
// initialize the server and obtain the credentials and root.
// credentials are necessary to sign the HTTP request.
rootPath, e := newTestConfig("us-east-1")
if e != nil {
t.Fatalf("Init Test config failed")
rootPath, err := newTestConfig("us-east-1")
if err != nil {
t.Fatal("Init Test config failed", err)
}
// remove the root folder after the test ends.
defer removeAll(rootPath)
@ -1116,9 +1111,9 @@ func TestWebObjectLayerNotReady(t *testing.T) {
rec := httptest.NewRecorder()
credentials := serverConfig.GetCredential()
authorization, e := getWebRPCToken(apiRouter, credentials.AccessKeyID, credentials.SecretAccessKey)
if e != nil {
t.Fatal("Cannot authenticate")
authorization, err := getWebRPCToken(apiRouter, credentials.AccessKeyID, credentials.SecretAccessKey)
if err != nil {
t.Fatal("Cannot authenticate", err)
}
// Check if web rpc calls return Server not initialized. ServerInfo, GenerateAuth,
@ -1128,9 +1123,9 @@ func TestWebObjectLayerNotReady(t *testing.T) {
for _, rpcCall := range webRPCs {
args := &GenericArgs{}
reply := &WebGenericRep{}
req, err := newTestWebRPCRequest("Web."+rpcCall, authorization, args)
if err != nil {
t.Fatalf("Test %s: Failed to create HTTP request: <ERROR> %v", rpcCall, err)
req, nerr := newTestWebRPCRequest("Web."+rpcCall, authorization, args)
if nerr != nil {
t.Fatalf("Test %s: Failed to create HTTP request: <ERROR> %v", rpcCall, nerr)
}
apiRouter.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
@ -1184,9 +1179,9 @@ func TestWebObjectLayerNotReady(t *testing.T) {
// TestWebObjectLayerFaultyDisks - Test Web RPC responses with faulty disks
func TestWebObjectLayerFaultyDisks(t *testing.T) {
// Prepare XL backend
obj, fsDirs, e := prepareXL()
if e != nil {
t.Fatalf("Initialization of object layer failed for XL setup: %s", e)
obj, fsDirs, err := prepareXL()
if err != nil {
t.Fatalf("Initialization of object layer failed for XL setup: %s", err)
}
// Executing the object layer tests for XL.
defer removeRoots(fsDirs)
@ -1197,18 +1192,14 @@ func TestWebObjectLayerFaultyDisks(t *testing.T) {
xl.storageDisks[i] = newNaughtyDisk(d.(*posix), nil, errFaultyDisk)
}
webHandlers := &webAPIHandlers{
ObjectAPI: func() ObjectLayer { return obj },
}
// Initialize router.
apiRouter := router.NewRouter()
registerWebRouter(apiRouter, webHandlers)
// Initialize web rpc endpoint.
apiRouter := initTestWebRPCEndPoint(obj)
// initialize the server and obtain the credentials and root.
// credentials are necessary to sign the HTTP request.
rootPath, e := newTestConfig("us-east-1")
if e != nil {
t.Fatalf("Init Test config failed")
rootPath, err := newTestConfig("us-east-1")
if err != nil {
t.Fatal("Init Test config failed", err)
}
// remove the root folder after the test ends.
defer removeAll(rootPath)
@ -1216,9 +1207,9 @@ func TestWebObjectLayerFaultyDisks(t *testing.T) {
rec := httptest.NewRecorder()
credentials := serverConfig.GetCredential()
authorization, e := getWebRPCToken(apiRouter, credentials.AccessKeyID, credentials.SecretAccessKey)
if e != nil {
t.Fatal("Cannot authenticate")
authorization, err := getWebRPCToken(apiRouter, credentials.AccessKeyID, credentials.SecretAccessKey)
if err != nil {
t.Fatal("Cannot authenticate", err)
}
// Check if web rpc calls return errors with faulty disks. ServerInfo, GenerateAuth, SetAuth, GetAuth are not concerned
@ -1228,9 +1219,9 @@ func TestWebObjectLayerFaultyDisks(t *testing.T) {
for _, rpcCall := range webRPCs {
args := &GenericArgs{}
reply := &WebGenericRep{}
req, err := newTestWebRPCRequest("Web."+rpcCall, authorization, args)
if err != nil {
t.Fatalf("Test %s: Failed to create HTTP request: <ERROR> %v", rpcCall, err)
req, nerr := newTestWebRPCRequest("Web."+rpcCall, authorization, args)
if nerr != nil {
t.Fatalf("Test %s: Failed to create HTTP request: <ERROR> %v", rpcCall, nerr)
}
apiRouter.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {

7
cmd/web-router.go
View File

@ -58,7 +58,12 @@ func assetFS() *assetfs.AssetFS {
const specialAssets = "loader.css|logo.svg|firefox.png|safari.png|chrome.png|favicon.ico"
// registerWebRouter - registers web router for serving minio browser.
func registerWebRouter(mux *router.Router, web *webAPIHandlers) {
func registerWebRouter(mux *router.Router) {
// Initialize Web.
web := &webAPIHandlers{
ObjectAPI: newObjectLayerFn,
}
// Initialize a new json2 codec.
codec := json2.NewCodec()

10
cmd/xl-v1-multipart.go
View File

@ -428,16 +428,6 @@ func (xl xlObjects) PutObjectPart(bucket, object, uploadID string, partID int, s
size = sizeWritten
}
// Validate if payload is valid.
if isSignVerify(data) {
if err = data.(*signVerifyReader).Verify(); err != nil {
// Incoming payload wrong, delete the temporary object.
xl.deleteObject(minioMetaBucket, tmpPartPath)
// Returns md5 mismatch.
return "", toObjectErr(err, bucket, object)
}
}
// Calculate new md5sum.
newMD5Hex := hex.EncodeToString(md5Writer.Sum(nil))
if md5Hex != "" {

10
cmd/xl-v1-object.go
View File

@ -609,16 +609,6 @@ func (xl xlObjects) PutObject(bucket string, object string, size int64, data io.
}
}
// Validate if payload is valid.
if isSignVerify(data) {
if vErr := data.(*signVerifyReader).Verify(); vErr != nil {
// Incoming payload wrong, delete the temporary object.
xl.deleteObject(minioMetaTmpBucket, tempObj)
// Error return.
return ObjectInfo{}, toObjectErr(traceError(vErr), bucket, object)
}
}
// md5Hex representation.
md5Hex := metadata["md5Sum"]
if md5Hex != "" {

68
cmd/xl-v1.go
View File

@ -20,7 +20,6 @@ import (
"fmt"
"sort"
"github.com/minio/minio-go/pkg/set"
"github.com/minio/minio/pkg/disk"
"github.com/minio/minio/pkg/objcache"
)
@ -107,37 +106,10 @@ func repairDiskMetadata(storageDisks []StorageAPI) error {
}
// newXLObjects - initialize new xl object layer.
func newXLObjects(disks, ignoredDisks []string) (ObjectLayer, error) {
if disks == nil {
func newXLObjects(storageDisks []StorageAPI) (ObjectLayer, error) {
if storageDisks == nil {
return nil, errInvalidArgument
}
disksSet := set.NewStringSet()
if len(ignoredDisks) > 0 {
disksSet = set.CreateStringSet(ignoredDisks...)
}
// Bootstrap disks.
storageDisks := make([]StorageAPI, len(disks))
for index, disk := range disks {
// Check if disk is ignored.
if disksSet.Contains(disk) {
storageDisks[index] = nil
continue
}
var err error
// Intentionally ignore disk not found errors. XL is designed
// to handle these errors internally.
storageDisks[index], err = newStorageAPI(disk)
if err != nil && err != errDiskNotFound {
switch diskType := storageDisks[index].(type) {
case networkStorage:
diskType.rpcClient.Close()
}
return nil, err
}
}
// Fix format files in case of fresh or corrupted disks
repairDiskMetadata(storageDisks)
// Runs house keeping code, like t, cleaning up tmp files etc.
if err := xlHouseKeeping(storageDisks); err != nil {
@ -147,7 +119,6 @@ func newXLObjects(disks, ignoredDisks []string) (ObjectLayer, error) {
// Load saved XL format.json and validate.
newPosixDisks, err := loadFormatXL(storageDisks)
if err != nil {
// errCorruptedDisk - healing failed
return nil, fmt.Errorf("Unable to recognize backend format, %s", err)
}
@ -204,25 +175,36 @@ func (d byDiskTotal) Less(i, j int) bool {
return d[i].Total < d[j].Total
}
// StorageInfo - returns underlying storage statistics.
func (xl xlObjects) StorageInfo() StorageInfo {
var disksInfo []disk.Info
for _, storageDisk := range xl.storageDisks {
// getDisksInfo - fetch disks info across all other storage API.
func getDisksInfo(disks []StorageAPI) (disksInfo []disk.Info, onlineDisks int, offlineDisks int) {
for _, storageDisk := range disks {
if storageDisk == nil {
// Storage disk is empty, perhaps ignored disk or not available.
offlineDisks++
continue
}
info, err := storageDisk.DiskInfo()
if err != nil {
errorIf(err, "Unable to fetch disk info for %#v", storageDisk)
if err == errDiskNotFound {
offlineDisks++
}
continue
}
onlineDisks++
disksInfo = append(disksInfo, info)
}
// Sort so that the first element is the smallest.
sort.Sort(byDiskTotal(disksInfo))
// Success.
return disksInfo, onlineDisks, offlineDisks
}
// Get an aggregated storage info across all disks.
func getStorageInfo(disks []StorageAPI) StorageInfo {
disksInfo, onlineDisks, offlineDisks := getDisksInfo(disks)
if len(disksInfo) == 0 {
return StorageInfo{
Total: -1,
@ -232,8 +214,18 @@ func (xl xlObjects) StorageInfo() StorageInfo {
// Return calculated storage info, choose the lowest Total and
// Free as the total aggregated values. Total capacity is always
// the multiple of smallest disk among the disk list.
return StorageInfo{
Total: disksInfo[0].Total * int64(len(xl.storageDisks)),
Free: disksInfo[0].Free * int64(len(xl.storageDisks)),
storageInfo := StorageInfo{
Total: disksInfo[0].Total * int64(onlineDisks),
Free: disksInfo[0].Free * int64(onlineDisks),
}
storageInfo.Backend.Type = XL
storageInfo.Backend.OnlineDisks = onlineDisks
storageInfo.Backend.OfflineDisks = offlineDisks
storageInfo.Backend.Quorum = len(disks) / 2
return storageInfo
}
// StorageInfo - returns underlying storage statistics.
func (xl xlObjects) StorageInfo() StorageInfo {
return getStorageInfo(xl.storageDisks)
}

30
cmd/xl-v1_test.go
View File

@ -48,7 +48,12 @@ func TestStorageInfo(t *testing.T) {
t.Fatalf("Diskinfo total values should be greater 0")
}
objLayer, err = newXLObjects(fsDirs, fsDirs[:4])
storageDisks, err := initStorageDisks(fsDirs, fsDirs[:4])
if err != nil {
t.Fatal("Unexpected error: ", err)
}
objLayer, err = newXLObjects(storageDisks)
if err != nil {
t.Fatalf("Unable to initialize 'XL' object layer with ignored disks %s.", fsDirs[:4])
}
@ -83,23 +88,38 @@ func TestNewXL(t *testing.T) {
}
// No disks input.
_, err := newXLObjects(nil, nil)
_, err := newXLObjects(nil)
if err != errInvalidArgument {
t.Fatalf("Unable to initialize erasure, %s", err)
}
storageDisks, err := initStorageDisks(erasureDisks, nil)
if err != nil {
t.Fatal("Unexpected error: ", err)
}
err = waitForFormatDisks(true, "", nil)
if err != errInvalidArgument {
t.Fatalf("Expecting error, got %s", err)
}
// Initializes all erasure disks
err = formatDisks(erasureDisks, nil)
err = waitForFormatDisks(true, "", storageDisks)
if err != nil {
t.Fatalf("Unable to format disks for erasure, %s", err)
}
_, err = newXLObjects(erasureDisks, nil)
_, err = newXLObjects(storageDisks)
if err != nil {
t.Fatalf("Unable to initialize erasure, %s", err)
}
storageDisks, err = initStorageDisks(erasureDisks, erasureDisks[:2])
if err != nil {
t.Fatal("Unexpected error: ", err)
}
// Initializes all erasure disks, ignoring first two.
_, err = newXLObjects(erasureDisks, erasureDisks[:2])
_, err = newXLObjects(storageDisks)
if err != nil {
t.Fatalf("Unable to initialize erasure, %s", err)
}