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Simplify gateway backend registration (#5111)

This commit is contained in:
Timon Wong 2017-10-27 17:07:46 -05:00 committed by Dee Koder
parent 7195ac7f14
commit 6400f506da
9 changed files with 357 additions and 299 deletions
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79
cmd/gateway-azure.go
View File

@ -33,13 +33,86 @@ import (
"github.com/Azure/azure-sdk-for-go/storage"
humanize "github.com/dustin/go-humanize"
"github.com/minio/cli"
"github.com/minio/minio-go/pkg/policy"
"github.com/minio/minio/pkg/hash"
)
const globalAzureAPIVersion = "2016-05-31"
const azureBlockSize = 100 * humanize.MiByte
const metadataObjectNameTemplate = globalMinioSysTmp + "multipart/v1/%s.%x/azure.json"
const (
globalAzureAPIVersion = "2016-05-31"
azureBlockSize = 100 * humanize.MiByte
metadataObjectNameTemplate = globalMinioSysTmp + "multipart/v1/%s.%x/azure.json"
azureBackend = "azure"
)
func init() {
const azureGatewayTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[FLAGS]{{end}} [ENDPOINT]
{{if .VisibleFlags}}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
ENDPOINT:
Azure server endpoint. Default ENDPOINT is https://core.windows.net
ENVIRONMENT VARIABLES:
ACCESS:
MINIO_ACCESS_KEY: Username or access key of Azure storage.
MINIO_SECRET_KEY: Password or secret key of Azure storage.
BROWSER:
MINIO_BROWSER: To disable web browser access, set this value to "off".
EXAMPLES:
1. Start minio gateway server for Azure Blob Storage backend.
$ export MINIO_ACCESS_KEY=azureaccountname
$ export MINIO_SECRET_KEY=azureaccountkey
$ {{.HelpName}}
2. Start minio gateway server for Azure Blob Storage backend on custom endpoint.
$ export MINIO_ACCESS_KEY=azureaccountname
$ export MINIO_SECRET_KEY=azureaccountkey
$ {{.HelpName}} https://azure.example.com
`
MustRegisterGatewayCommand(cli.Command{
Name: azureBackend,
Usage: "Microsoft Azure Blob Storage.",
Action: azureGatewayMain,
CustomHelpTemplate: azureGatewayTemplate,
Flags: append(serverFlags, globalFlags...),
HideHelpCommand: true,
})
}
// Handler for 'minio gateway azure' command line.
func azureGatewayMain(ctx *cli.Context) {
// Validate gateway arguments.
host := ctx.Args().First()
// Validate gateway arguments.
fatalIf(validateGatewayArguments(ctx.GlobalString("address"), host), "Invalid argument")
startGateway(ctx, &AzureGateway{host})
}
// AzureGateway implements Gateway.
type AzureGateway struct {
host string
}
// Name implements Gateway interface.
func (g *AzureGateway) Name() string {
return azureBackend
}
// NewGatewayLayer initializes azure blob storage client and returns AzureObjects.
func (g *AzureGateway) NewGatewayLayer() (GatewayLayer, error) {
return newAzureLayer(g.host)
}
// s3MetaToAzureProperties converts metadata meant for S3 PUT/COPY
// object into Azure data structures - BlobMetadata and

63
cmd/gateway-b2.go
View File

@ -29,6 +29,7 @@ import (
"time"
b2 "github.com/minio/blazer/base"
"github.com/minio/cli"
"github.com/minio/minio-go/pkg/policy"
h2 "github.com/minio/minio/pkg/hash"
)
@ -37,8 +38,65 @@ import (
const (
bucketTypePrivate = "allPrivate"
bucketTypeReadOnly = "allPublic"
b2Backend = "b2"
)
func init() {
const b2GatewayTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[FLAGS]{{end}}
{{if .VisibleFlags}}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
ENVIRONMENT VARIABLES:
ACCESS:
MINIO_ACCESS_KEY: B2 account id.
MINIO_SECRET_KEY: B2 application key.
BROWSER:
MINIO_BROWSER: To disable web browser access, set this value to "off".
EXAMPLES:
1. Start minio gateway server for B2 backend.
$ export MINIO_ACCESS_KEY=accountID
$ export MINIO_SECRET_KEY=applicationKey
$ {{.HelpName}}
`
MustRegisterGatewayCommand(cli.Command{
Name: b2Backend,
Usage: "Backblaze B2.",
Action: b2GatewayMain,
CustomHelpTemplate: b2GatewayTemplate,
Flags: append(serverFlags, globalFlags...),
HideHelpCommand: true,
})
}
// Handler for 'minio gateway b2' command line.
func b2GatewayMain(ctx *cli.Context) {
startGateway(ctx, &B2Gateway{})
}
// B2Gateway implements Gateway.
type B2Gateway struct{}
// Name implements Gateway interface.
func (g *B2Gateway) Name() string {
return b2Backend
}
// NewGatewayLayer returns b2 gateway layer, implements GatewayLayer interface to
// talk to B2 remote backend.
func (g *B2Gateway) NewGatewayLayer() (GatewayLayer, error) {
log.Println(colorYellow("\n *** Warning: Not Ready for Production ***"))
return newB2GatewayLayer()
}
// b2Object implements gateway for Minio and BackBlaze B2 compatible object storage servers.
type b2Objects struct {
gatewayUnsupported
@ -49,9 +107,8 @@ type b2Objects struct {
ctx context.Context
}
// newB2Gateway returns b2 gateway layer, implements GatewayLayer interface to
// talk to B2 remote backend.
func newB2Gateway() (GatewayLayer, error) {
// newB2GatewayLayer returns b2 gateway layer.
func newB2GatewayLayer() (GatewayLayer, error) {
ctx := context.Background()
creds := serverConfig.GetCredential()

92
cmd/gateway-gcs.go
View File

@ -30,16 +30,15 @@ import (
"strings"
"time"
"golang.org/x/oauth2/google"
"cloud.google.com/go/storage"
cloudresourcemanager "google.golang.org/api/cloudresourcemanager/v1"
"google.golang.org/api/googleapi"
"google.golang.org/api/iterator"
"github.com/minio/cli"
minio "github.com/minio/minio-go"
"github.com/minio/minio-go/pkg/policy"
"github.com/minio/minio/pkg/hash"
"golang.org/x/oauth2/google"
cloudresourcemanager "google.golang.org/api/cloudresourcemanager/v1"
"google.golang.org/api/googleapi"
"google.golang.org/api/iterator"
)
var (
@ -78,8 +77,85 @@ const (
// Project ID key in credentials.json
gcsProjectIDKey = "project_id"
gcsBackend = "gcs"
)
func init() {
const gcsGatewayTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[FLAGS]{{end}} [PROJECTID]
{{if .VisibleFlags}}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
PROJECTID:
GCS project-id should be provided if GOOGLE_APPLICATION_CREDENTIALS environmental variable is not set.
ENVIRONMENT VARIABLES:
ACCESS:
MINIO_ACCESS_KEY: Username or access key of GCS.
MINIO_SECRET_KEY: Password or secret key of GCS.
BROWSER:
MINIO_BROWSER: To disable web browser access, set this value to "off".
GCS credentials file:
GOOGLE_APPLICATION_CREDENTIALS: Path to credentials.json
EXAMPLES:
1. Start minio gateway server for GCS backend.
$ export GOOGLE_APPLICATION_CREDENTIALS=/path/to/credentials.json
(Instructions to generate credentials : https://developers.google.com/identity/protocols/application-default-credentials)
$ export MINIO_ACCESS_KEY=accesskey
$ export MINIO_SECRET_KEY=secretkey
$ {{.HelpName}} mygcsprojectid
`
MustRegisterGatewayCommand(cli.Command{
Name: gcsBackend,
Usage: "Google Cloud Storage.",
Action: gcsGatewayMain,
CustomHelpTemplate: gcsGatewayTemplate,
Flags: append(serverFlags, globalFlags...),
HideHelpCommand: true,
})
}
// Handler for 'minio gateway gcs' command line.
func gcsGatewayMain(ctx *cli.Context) {
projectID := ctx.Args().First()
if projectID == "" && os.Getenv("GOOGLE_APPLICATION_CREDENTIALS") == "" {
errorIf(errGCSProjectIDNotFound, "project-id should be provided as argument or GOOGLE_APPLICATION_CREDENTIALS should be set with path to credentials.json")
cli.ShowCommandHelpAndExit(ctx, "gcs", 1)
}
if projectID != "" && !isValidGCSProjectIDFormat(projectID) {
errorIf(errGCSInvalidProjectID, "Unable to start GCS gateway with %s", ctx.Args().First())
cli.ShowCommandHelpAndExit(ctx, "gcs", 1)
}
startGateway(ctx, &GCSGateway{projectID})
}
// GCSGateway implements Gateway.
type GCSGateway struct {
projectID string
}
// Name returns the name of gcs gatewaylayer.
func (g *GCSGateway) Name() string {
return gcsBackend
}
// NewGatewayLayer returns gcs gatewaylayer.
func (g *GCSGateway) NewGatewayLayer() (GatewayLayer, error) {
log.Println(colorYellow("\n *** Warning: Not Ready for Production ***"))
return newGCSGatewayLayer(g.projectID)
}
// Stored in gcs.json - Contents of this file is not used anywhere. It can be
// used for debugging purposes.
type gcsMultipartMetaV1 struct {
@ -275,8 +351,8 @@ func gcsParseProjectID(credsFile string) (projectID string, err error) {
return googleCreds[gcsProjectIDKey], err
}
// newGCSGateway returns gcs gatewaylayer
func newGCSGateway(projectID string) (GatewayLayer, error) {
// newGCSGatewayLayer returns gcs gatewaylayer
func newGCSGatewayLayer(projectID string) (GatewayLayer, error) {
ctx := context.Background()
var err error

299
cmd/gateway-main.go
View File

@ -31,212 +31,41 @@ import (
miniohttp "github.com/minio/minio/pkg/http"
)
const azureGatewayTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[FLAGS]{{end}} [ENDPOINT]
{{if .VisibleFlags}}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
ENDPOINT:
Azure server endpoint. Default ENDPOINT is https://core.windows.net
ENVIRONMENT VARIABLES:
ACCESS:
MINIO_ACCESS_KEY: Username or access key of Azure storage.
MINIO_SECRET_KEY: Password or secret key of Azure storage.
BROWSER:
MINIO_BROWSER: To disable web browser access, set this value to "off".
EXAMPLES:
1. Start minio gateway server for Azure Blob Storage backend.
$ export MINIO_ACCESS_KEY=azureaccountname
$ export MINIO_SECRET_KEY=azureaccountkey
$ {{.HelpName}}
2. Start minio gateway server for Azure Blob Storage backend on custom endpoint.
$ export MINIO_ACCESS_KEY=azureaccountname
$ export MINIO_SECRET_KEY=azureaccountkey
$ {{.HelpName}} https://azure.example.com
`
const s3GatewayTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[FLAGS]{{end}} [ENDPOINT]
{{if .VisibleFlags}}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
ENDPOINT:
S3 server endpoint. Default ENDPOINT is https://s3.amazonaws.com
ENVIRONMENT VARIABLES:
ACCESS:
MINIO_ACCESS_KEY: Username or access key of S3 storage.
MINIO_SECRET_KEY: Password or secret key of S3 storage.
BROWSER:
MINIO_BROWSER: To disable web browser access, set this value to "off".
EXAMPLES:
1. Start minio gateway server for AWS S3 backend.
$ export MINIO_ACCESS_KEY=accesskey
$ export MINIO_SECRET_KEY=secretkey
$ {{.HelpName}}
2. Start minio gateway server for S3 backend on custom endpoint.
$ export MINIO_ACCESS_KEY=Q3AM3UQ867SPQQA43P2F
$ export MINIO_SECRET_KEY=zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG
$ {{.HelpName}} https://play.minio.io:9000
`
const gcsGatewayTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[FLAGS]{{end}} [PROJECTID]
{{if .VisibleFlags}}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
PROJECTID:
GCS project-id should be provided if GOOGLE_APPLICATION_CREDENTIALS environmental variable is not set.
ENVIRONMENT VARIABLES:
ACCESS:
MINIO_ACCESS_KEY: Username or access key of GCS.
MINIO_SECRET_KEY: Password or secret key of GCS.
BROWSER:
MINIO_BROWSER: To disable web browser access, set this value to "off".
GCS credentials file:
GOOGLE_APPLICATION_CREDENTIALS: Path to credentials.json
EXAMPLES:
1. Start minio gateway server for GCS backend.
$ export GOOGLE_APPLICATION_CREDENTIALS=/path/to/credentials.json
(Instructions to generate credentials : https://developers.google.com/identity/protocols/application-default-credentials)
$ export MINIO_ACCESS_KEY=accesskey
$ export MINIO_SECRET_KEY=secretkey
$ {{.HelpName}} mygcsprojectid
`
const b2GatewayTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[FLAGS]{{end}}
{{if .VisibleFlags}}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
ENVIRONMENT VARIABLES:
ACCESS:
MINIO_ACCESS_KEY: B2 account id.
MINIO_SECRET_KEY: B2 application key.
BROWSER:
MINIO_BROWSER: To disable web browser access, set this value to "off".
EXAMPLES:
1. Start minio gateway server for B2 backend.
$ export MINIO_ACCESS_KEY=accountID
$ export MINIO_SECRET_KEY=applicationKey
$ {{.HelpName}}
`
var (
azureBackendCmd = cli.Command{
Name: "azure",
Usage: "Microsoft Azure Blob Storage.",
Action: azureGatewayMain,
CustomHelpTemplate: azureGatewayTemplate,
Flags: append(serverFlags, globalFlags...),
HideHelpCommand: true,
}
s3BackendCmd = cli.Command{
Name: "s3",
Usage: "Amazon Simple Storage Service (S3).",
Action: s3GatewayMain,
CustomHelpTemplate: s3GatewayTemplate,
Flags: append(serverFlags, globalFlags...),
HideHelpCommand: true,
}
gcsBackendCmd = cli.Command{
Name: "gcs",
Usage: "Google Cloud Storage.",
Action: gcsGatewayMain,
CustomHelpTemplate: gcsGatewayTemplate,
Flags: append(serverFlags, globalFlags...),
HideHelpCommand: true,
}
b2BackendCmd = cli.Command{
Name: "b2",
Usage: "Backblaze B2.",
Action: b2GatewayMain,
CustomHelpTemplate: b2GatewayTemplate,
Flags: append(serverFlags, globalFlags...),
HideHelpCommand: true,
}
gatewayCmd = cli.Command{
Name: "gateway",
Usage: "Start object storage gateway.",
Flags: append(serverFlags, globalFlags...),
HideHelpCommand: true,
Subcommands: []cli.Command{azureBackendCmd, s3BackendCmd, gcsBackendCmd, b2BackendCmd},
}
)
// Represents the type of the gateway backend.
type gatewayBackend string
// Gateway represents a gateway backend.
type Gateway interface {
// Name returns the unique name of the gateway.
Name() string
// NewGatewayLayer returns a new gateway layer.
NewGatewayLayer() (GatewayLayer, error)
}
const (
azureBackend gatewayBackend = "azure"
s3Backend gatewayBackend = "s3"
gcsBackend gatewayBackend = "gcs"
b2Backend gatewayBackend = "b2"
// Add more backends here.
)
// Initialize gateway layer depending on the backend type.
// Supported backend types are
//
// - Azure Blob Storage.
// - AWS S3.
// - Google Cloud Storage.
// - Backblaze B2.
// - Add your favorite backend here.
func newGatewayLayer(backendType gatewayBackend, arg string) (GatewayLayer, error) {
switch backendType {
case azureBackend:
return newAzureLayer(arg)
case s3Backend:
return newS3Gateway(arg)
case gcsBackend:
// FIXME: The following print command is temporary and
// will be removed when gcs is ready for production use.
log.Println(colorYellow("\n *** Warning: Not Ready for Production ***"))
return newGCSGateway(arg)
case b2Backend:
// FIXME: The following print command is temporary and
// will be removed when B2 is ready for production use.
log.Println(colorYellow("\n *** Warning: Not Ready for Production ***"))
return newB2Gateway()
// RegisterGatewayCommand registers a new command for gateway.
func RegisterGatewayCommand(cmd cli.Command) error {
// We should not have multiple subcommands with same name.
for _, c := range gatewayCmd.Subcommands {
if c.Name == cmd.Name {
return fmt.Errorf("duplicate gateway: %s", cmd.Name)
}
}
return nil, fmt.Errorf("Unrecognized backend type %s", backendType)
gatewayCmd.Subcommands = append(gatewayCmd.Subcommands, cmd)
return nil
}
// MustRegisterGatewayCommand is like RegisterGatewayCommand but panics instead of returning error.
func MustRegisterGatewayCommand(cmd cli.Command) {
if err := RegisterGatewayCommand(cmd); err != nil {
panic(err)
}
}
// Return endpoint.
@ -292,62 +121,8 @@ func validateGatewayArguments(serverAddr, endpointAddr string) error {
return nil
}
// Handler for 'minio gateway azure' command line.
func azureGatewayMain(ctx *cli.Context) {
if ctx.Args().Present() && ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "azure", 1)
}
// Validate gateway arguments.
fatalIf(validateGatewayArguments(ctx.GlobalString("address"), ctx.Args().First()), "Invalid argument")
gatewayMain(ctx, azureBackend)
}
// Handler for 'minio gateway s3' command line.
func s3GatewayMain(ctx *cli.Context) {
if ctx.Args().Present() && ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "s3", 1)
}
// Validate gateway arguments.
fatalIf(validateGatewayArguments(ctx.GlobalString("address"), ctx.Args().First()), "Invalid argument")
gatewayMain(ctx, s3Backend)
}
// Handler for 'minio gateway gcs' command line
func gcsGatewayMain(ctx *cli.Context) {
if ctx.Args().Present() && ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "gcs", 1)
}
projectID := ctx.Args().First()
if projectID == "" && os.Getenv("GOOGLE_APPLICATION_CREDENTIALS") == "" {
errorIf(errGCSProjectIDNotFound, "project-id should be provided as argument or GOOGLE_APPLICATION_CREDENTIALS should be set with path to credentials.json")
cli.ShowCommandHelpAndExit(ctx, "gcs", 1)
}
if projectID != "" && !isValidGCSProjectIDFormat(projectID) {
errorIf(errGCSInvalidProjectID, "Unable to start GCS gateway with %s", ctx.Args().First())
cli.ShowCommandHelpAndExit(ctx, "gcs", 1)
}
gatewayMain(ctx, gcsBackend)
}
func b2GatewayMain(ctx *cli.Context) {
if ctx.Args().Present() && ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "b2", 1)
}
// Validate gateway arguments.
fatalIf(validateGatewayArguments(ctx.GlobalString("address"), ctx.Args().First()), "Invalid argument")
gatewayMain(ctx, b2Backend)
}
// Handler for 'minio gateway'.
func gatewayMain(ctx *cli.Context, backendType gatewayBackend) {
// Handler for 'minio gateway <name>'.
func startGateway(ctx *cli.Context, gw Gateway) {
// Get quiet flag from command line argument.
quietFlag := ctx.Bool("quiet") || ctx.GlobalBool("quiet")
if quietFlag {
@ -367,8 +142,9 @@ func gatewayMain(ctx *cli.Context, backendType gatewayBackend) {
handleCommonEnvVars()
// Validate if we have access, secret set through environment.
gatewayName := gw.Name()
if !globalIsEnvCreds {
fatalIf(fmt.Errorf("Access and Secret keys should be set through ENVs for backend [%s]", backendType), "")
fatalIf(fmt.Errorf("Access and Secret keys should be set through ENVs for backend [%s]", gatewayName), "")
}
// Create certs path.
@ -390,7 +166,11 @@ func gatewayMain(ctx *cli.Context, backendType gatewayBackend) {
initNSLock(false) // Enable local namespace lock.
newObject, err := newGatewayLayer(backendType, ctx.Args().First())
if ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, gatewayName, 1)
}
newObject, err := gw.NewGatewayLayer()
fatalIf(err, "Unable to initialize gateway layer")
router := mux.NewRouter().SkipClean(true)
@ -445,23 +225,12 @@ func gatewayMain(ctx *cli.Context, backendType gatewayBackend) {
// Prints the formatted startup message once object layer is initialized.
if !quietFlag {
mode := ""
switch gatewayBackend(backendType) {
case azureBackend:
mode = globalMinioModeGatewayAzure
case gcsBackend:
mode = globalMinioModeGatewayGCS
case s3Backend:
mode = globalMinioModeGatewayS3
case b2Backend:
mode = globalMinioModeGatewayB2
}
mode := globalMinioModeGatewayPrefix + gatewayName
// Check update mode.
checkUpdate(mode)
// Print gateway startup message.
printGatewayStartupMessage(getAPIEndpoints(gatewayAddr), backendType)
printGatewayStartupMessage(getAPIEndpoints(gatewayAddr), gatewayName)
}
handleSignals()

23
cmd/gateway-main_test.go
View File

@ -19,8 +19,31 @@ package cmd
import (
"strings"
"testing"
"github.com/minio/cli"
)
// Test RegisterGatewayCommand
func TestRegisterGatewayCommand(t *testing.T) {
var err error
cmd := cli.Command{Name: "test"}
err = RegisterGatewayCommand(cmd)
if err != nil {
t.Errorf("RegisterGatewayCommand got unexpected error: %s", err)
}
// Should returns 'duplicated' error
err = RegisterGatewayCommand(cmd)
if err == nil {
t.Errorf("RegisterGatewayCommand twice with same name should return error")
} else {
if err.Error() != "duplicate gateway: test" {
t.Errorf("RegisterGatewayCommand got unexpected error: %s", err)
}
}
}
// Test parseGatewayEndpoint
func TestParseGatewayEndpoint(t *testing.T) {
testCases := []struct {

77
cmd/gateway-s3.go
View File

@ -20,12 +20,85 @@ import (
"io"
"net/http"
"github.com/minio/cli"
minio "github.com/minio/minio-go"
"github.com/minio/minio-go/pkg/policy"
"github.com/minio/minio-go/pkg/s3utils"
"github.com/minio/minio/pkg/hash"
)
const (
s3Backend = "s3"
)
func init() {
const s3GatewayTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[FLAGS]{{end}} [ENDPOINT]
{{if .VisibleFlags}}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
ENDPOINT:
S3 server endpoint. Default ENDPOINT is https://s3.amazonaws.com
ENVIRONMENT VARIABLES:
ACCESS:
MINIO_ACCESS_KEY: Username or access key of S3 storage.
MINIO_SECRET_KEY: Password or secret key of S3 storage.
BROWSER:
MINIO_BROWSER: To disable web browser access, set this value to "off".
EXAMPLES:
1. Start minio gateway server for AWS S3 backend.
$ export MINIO_ACCESS_KEY=accesskey
$ export MINIO_SECRET_KEY=secretkey
$ {{.HelpName}}
2. Start minio gateway server for S3 backend on custom endpoint.
$ export MINIO_ACCESS_KEY=Q3AM3UQ867SPQQA43P2F
$ export MINIO_SECRET_KEY=zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG
$ {{.HelpName}} https://play.minio.io:9000
`
MustRegisterGatewayCommand(cli.Command{
Name: s3Backend,
Usage: "Amazon Simple Storage Service (S3).",
Action: s3GatewayMain,
CustomHelpTemplate: s3GatewayTemplate,
Flags: append(serverFlags, globalFlags...),
HideHelpCommand: true,
})
}
// Handler for 'minio gateway s3' command line.
func s3GatewayMain(ctx *cli.Context) {
// Validate gateway arguments.
host := ctx.Args().First()
// Validate gateway arguments.
fatalIf(validateGatewayArguments(ctx.GlobalString("address"), host), "Invalid argument")
startGateway(ctx, &S3Gateway{host})
}
// S3Gateway implements Gateway.
type S3Gateway struct {
host string
}
// Name implements Gateway interface.
func (g *S3Gateway) Name() string {
return s3Backend
}
// NewGatewayLayer returns s3 gatewaylayer.
func (g *S3Gateway) NewGatewayLayer() (GatewayLayer, error) {
return newS3GatewayLayer(g.host)
}
// s3ToObjectError converts Minio errors to minio object layer errors.
func s3ToObjectError(err error, params ...string) error {
if err == nil {
@ -101,8 +174,8 @@ type s3Objects struct {
anonClient *minio.Core
}
// newS3Gateway returns s3 gatewaylayer
func newS3Gateway(host string) (GatewayLayer, error) {
// newS3GatewayLayer returns s3 gatewaylayer
func newS3GatewayLayer(host string) (GatewayLayer, error) {
var err error
var endpoint string
var secure = true

2
cmd/gateway-startup-msg.go
View File

@ -22,7 +22,7 @@ import (
)
// Prints the formatted startup message.
func printGatewayStartupMessage(apiEndPoints []string, backendType gatewayBackend) {
func printGatewayStartupMessage(apiEndPoints []string, backendType string) {
strippedAPIEndpoints := stripStandardPorts(apiEndPoints)
// Prints credential.

5
cmd/globals.go
View File

@ -50,10 +50,7 @@ const (
globalMinioModeFS = "mode-server-fs"
globalMinioModeXL = "mode-server-xl"
globalMinioModeDistXL = "mode-server-distributed-xl"
globalMinioModeGatewayAzure = "mode-gateway-azure"
globalMinioModeGatewayS3 = "mode-gateway-s3"
globalMinioModeGatewayGCS = "mode-gateway-gcs"
globalMinioModeGatewayB2 = "mode-gateway-b2"
globalMinioModeGatewayPrefix = "mode-gateway-"
// globalMinioSysTmp prefix is used in Azure/GCS gateway for save metadata sent by Initialize Multipart Upload API.
globalMinioSysTmp = "minio.sys.tmp/"

16
cmd/web-handlers.go
View File

@ -728,20 +728,10 @@ func readBucketAccessPolicy(objAPI ObjectLayer, bucketName string) (policy.Bucke
func getBucketAccessPolicy(objAPI ObjectLayer, bucketName string) (policy.BucketAccessPolicy, error) {
// FIXME: remove this code when S3 layer for gateway and server is unified.
var policyInfo policy.BucketAccessPolicy
var err error
switch layer := objAPI.(type) {
case *s3Objects:
policyInfo, err = layer.GetBucketPolicies(bucketName)
case *azureObjects:
policyInfo, err = layer.GetBucketPolicies(bucketName)
case *gcsGateway:
policyInfo, err = layer.GetBucketPolicies(bucketName)
default:
policyInfo, err = readBucketAccessPolicy(objAPI, bucketName)
if layer, ok := objAPI.(GatewayLayer); ok {
return layer.GetBucketPolicies(bucketName)
}
return policyInfo, err
return readBucketAccessPolicy(objAPI, bucketName)
}
// GetBucketPolicy - get bucket policy for the requested prefix.