minio/cmd/peer-rest-server.go
Harshavardhana 8f1243986e
fix: listenBucket should filter events based on bucket (#8677)
Currently all bucket events are sent to all watchers
with matching prefix and event names, this becomes
problematic and prone to performance issues, fix this
situation by filtering based on buckets as well.
2019-12-20 11:45:03 -08:00

1176 lines
34 KiB
Go

/*
* MinIO Cloud Storage, (C) 2019 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 (
"context"
"encoding/gob"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"github.com/gorilla/mux"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/pkg/event"
"github.com/minio/minio/pkg/lifecycle"
"github.com/minio/minio/pkg/policy"
trace "github.com/minio/minio/pkg/trace"
)
// To abstract a node over network.
type peerRESTServer struct {
}
func getServerInfo() (*ServerInfoData, error) {
objLayer := newObjectLayerWithoutSafeModeFn()
if objLayer == nil {
return nil, errServerNotInitialized
}
// Server info data.
return &ServerInfoData{
ConnStats: globalConnStats.toServerConnStats(),
HTTPStats: globalHTTPStats.toServerHTTPStats(),
Properties: ServerProperties{
Uptime: UTCNow().Unix() - globalBootTime.Unix(),
Version: Version,
CommitID: CommitID,
DeploymentID: globalDeploymentID,
SQSARN: globalNotificationSys.GetARNList(),
Region: globalServerRegion,
},
}, nil
}
// NetReadPerfInfoHandler - returns network read performance information.
func (s *peerRESTServer) NetReadPerfInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
params := mux.Vars(r)
sizeStr, found := params[peerRESTNetPerfSize]
if !found {
s.writeErrorResponse(w, errors.New("size is missing"))
return
}
size, err := strconv.ParseInt(sizeStr, 10, 64)
if err != nil || size < 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
start := time.Now()
n, err := io.CopyN(ioutil.Discard, r.Body, size)
end := time.Now()
if err != nil {
s.writeErrorResponse(w, err)
return
}
if n != size {
s.writeErrorResponse(w, fmt.Errorf("short read; expected: %v, got: %v", size, n))
return
}
addr := r.Host
if globalIsDistXL {
addr = GetLocalPeer(globalEndpoints)
}
d := end.Sub(start)
info := ServerNetReadPerfInfo{
Addr: addr,
ReadThroughput: uint64(int64(time.Second) * size / int64(d)),
}
ctx := newContext(r, w, "NetReadPerfInfo")
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
w.(http.Flusher).Flush()
}
// CollectNetPerfInfoHandler - returns network performance information collected from other peers.
func (s *peerRESTServer) CollectNetPerfInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
params := mux.Vars(r)
sizeStr, found := params[peerRESTNetPerfSize]
if !found {
s.writeErrorResponse(w, errors.New("size is missing"))
return
}
size, err := strconv.ParseInt(sizeStr, 10, 64)
if err != nil || size < 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
info := globalNotificationSys.NetReadPerfInfo(size)
ctx := newContext(r, w, "CollectNetPerfInfo")
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
w.(http.Flusher).Flush()
}
// GetLocksHandler - returns list of older lock from the server.
func (s *peerRESTServer) GetLocksHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx := newContext(r, w, "GetLocks")
var llockers []map[string][]lockRequesterInfo
for _, llocker := range globalLockServers {
llockers = append(llockers, llocker.DupLockMap())
}
logger.LogIf(ctx, gob.NewEncoder(w).Encode(llockers))
w.(http.Flusher).Flush()
}
// DeletePolicyHandler - deletes a policy on the server.
func (s *peerRESTServer) DeletePolicyHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
objAPI := newObjectLayerWithoutSafeModeFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
if globalIAMSys == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
vars := mux.Vars(r)
policyName := vars[peerRESTPolicy]
if policyName == "" {
s.writeErrorResponse(w, errors.New("policyName is missing"))
return
}
if err := globalIAMSys.DeletePolicy(policyName); err != nil {
s.writeErrorResponse(w, err)
return
}
w.(http.Flusher).Flush()
}
// LoadPolicyHandler - reloads a policy on the server.
func (s *peerRESTServer) LoadPolicyHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
objAPI := newObjectLayerWithoutSafeModeFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
if globalIAMSys == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
vars := mux.Vars(r)
policyName := vars[peerRESTPolicy]
if policyName == "" {
s.writeErrorResponse(w, errors.New("policyName is missing"))
return
}
if err := globalIAMSys.LoadPolicy(objAPI, policyName); err != nil {
s.writeErrorResponse(w, err)
return
}
w.(http.Flusher).Flush()
}
// LoadPolicyMappingHandler - reloads a policy mapping on the server.
func (s *peerRESTServer) LoadPolicyMappingHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
objAPI := newObjectLayerWithoutSafeModeFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
if globalIAMSys == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
vars := mux.Vars(r)
userOrGroup := vars[peerRESTUserOrGroup]
if userOrGroup == "" {
s.writeErrorResponse(w, errors.New("user-or-group is missing"))
return
}
_, isGroup := vars[peerRESTIsGroup]
if err := globalIAMSys.LoadPolicyMapping(objAPI, userOrGroup, isGroup); err != nil {
s.writeErrorResponse(w, err)
return
}
w.(http.Flusher).Flush()
}
// DeleteUserHandler - deletes a user on the server.
func (s *peerRESTServer) DeleteUserHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
objAPI := newObjectLayerWithoutSafeModeFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
if globalIAMSys == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
vars := mux.Vars(r)
accessKey := vars[peerRESTUser]
if accessKey == "" {
s.writeErrorResponse(w, errors.New("username is missing"))
return
}
if err := globalIAMSys.DeleteUser(accessKey); err != nil {
s.writeErrorResponse(w, err)
return
}
w.(http.Flusher).Flush()
}
// LoadUserHandler - reloads a user on the server.
func (s *peerRESTServer) LoadUserHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
objAPI := newObjectLayerWithoutSafeModeFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
if globalIAMSys == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
vars := mux.Vars(r)
accessKey := vars[peerRESTUser]
if accessKey == "" {
s.writeErrorResponse(w, errors.New("username is missing"))
return
}
temp, err := strconv.ParseBool(vars[peerRESTUserTemp])
if err != nil {
s.writeErrorResponse(w, err)
return
}
if err = globalIAMSys.LoadUser(objAPI, accessKey, temp); err != nil {
s.writeErrorResponse(w, err)
return
}
w.(http.Flusher).Flush()
}
// LoadUsersHandler - reloads all users and canned policies.
func (s *peerRESTServer) LoadUsersHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
objAPI := newObjectLayerWithoutSafeModeFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
if globalIAMSys == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
err := globalIAMSys.Load()
if err != nil {
s.writeErrorResponse(w, err)
return
}
w.(http.Flusher).Flush()
}
// LoadGroupHandler - reloads group along with members list.
func (s *peerRESTServer) LoadGroupHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
objAPI := newObjectLayerWithoutSafeModeFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
if globalIAMSys == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
vars := mux.Vars(r)
group := vars[peerRESTGroup]
err := globalIAMSys.LoadGroup(objAPI, group)
if err != nil {
s.writeErrorResponse(w, err)
return
}
w.(http.Flusher).Flush()
}
// StartProfilingHandler - Issues the start profiling command.
func (s *peerRESTServer) StartProfilingHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
profiler := vars[peerRESTProfiler]
if profiler == "" {
s.writeErrorResponse(w, errors.New("profiler name is missing"))
return
}
if globalProfiler != nil {
globalProfiler.Stop()
}
var err error
globalProfiler, err = startProfiler(profiler, "")
if err != nil {
s.writeErrorResponse(w, err)
return
}
w.(http.Flusher).Flush()
}
// DownloadProflingDataHandler - returns proflied data.
func (s *peerRESTServer) DownloadProflingDataHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx := newContext(r, w, "DownloadProfiling")
profileData, err := getProfileData()
if err != nil {
s.writeErrorResponse(w, err)
return
}
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(profileData))
}
// CPULoadInfoHandler - returns CPU Load info.
func (s *peerRESTServer) CPULoadInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx := newContext(r, w, "CPULoadInfo")
info := getLocalCPULoad(globalEndpoints, r)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// CPUInfoHandler - returns CPU Hardware info.
func (s *peerRESTServer) CPUInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx := newContext(r, w, "CPUInfo")
info := getLocalCPUInfo(globalEndpoints, r)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// NetworkInfoHandler - returns Network Hardware info.
func (s *peerRESTServer) NetworkInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx := newContext(r, w, "NetworkInfo")
info := getLocalNetworkInfo(globalEndpoints, r)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// ServerInfoHandler - returns Server Info
func (s *peerRESTServer) ServerInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx := newContext(r, w, "ServerInfo")
info := getLocalServerProperty(globalEndpoints, r)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// DrivePerfInfoHandler - returns Drive Performance info.
func (s *peerRESTServer) DrivePerfInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
params := mux.Vars(r)
sizeStr, found := params[peerRESTDrivePerfSize]
if !found {
s.writeErrorResponse(w, errors.New("size is missing"))
return
}
size, err := strconv.ParseInt(sizeStr, 10, 64)
if err != nil || size < 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
ctx := newContext(r, w, "DrivePerfInfo")
info := getLocalDrivesPerf(globalEndpoints, size, r)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// MemUsageInfoHandler - returns Memory Usage info.
func (s *peerRESTServer) MemUsageInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx := newContext(r, w, "MemUsageInfo")
info := getLocalMemUsage(globalEndpoints, r)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// DeleteBucketHandler - Delete notification and policies related to the bucket.
func (s *peerRESTServer) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
globalNotificationSys.RemoveNotification(bucketName)
globalPolicySys.Remove(bucketName)
globalBucketObjectLockConfig.Remove(bucketName)
globalLifecycleSys.Remove(bucketName)
w.(http.Flusher).Flush()
}
// ReloadFormatHandler - Reload Format.
func (s *peerRESTServer) ReloadFormatHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
dryRunString := vars[peerRESTDryRun]
if dryRunString == "" {
s.writeErrorResponse(w, errors.New("dry run parameter is missing"))
return
}
var dryRun bool
switch strings.ToLower(dryRunString) {
case "true":
dryRun = true
case "false":
dryRun = false
default:
s.writeErrorResponse(w, errInvalidArgument)
return
}
objAPI := newObjectLayerWithoutSafeModeFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
err := objAPI.ReloadFormat(context.Background(), dryRun)
if err != nil {
s.writeErrorResponse(w, err)
return
}
w.(http.Flusher).Flush()
}
// RemoveBucketPolicyHandler - Remove bucket policy.
func (s *peerRESTServer) RemoveBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
globalPolicySys.Remove(bucketName)
w.(http.Flusher).Flush()
}
// SetBucketPolicyHandler - Set bucket policy.
func (s *peerRESTServer) SetBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
var policyData policy.Policy
if r.ContentLength < 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
err := gob.NewDecoder(r.Body).Decode(&policyData)
if err != nil {
s.writeErrorResponse(w, err)
return
}
globalPolicySys.Set(bucketName, policyData)
w.(http.Flusher).Flush()
}
// RemoveBucketLifecycleHandler - Remove bucket lifecycle.
func (s *peerRESTServer) RemoveBucketLifecycleHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
globalLifecycleSys.Remove(bucketName)
w.(http.Flusher).Flush()
}
// SetBucketLifecycleHandler - Set bucket lifecycle.
func (s *peerRESTServer) SetBucketLifecycleHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
var lifecycleData lifecycle.Lifecycle
if r.ContentLength < 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
err := gob.NewDecoder(r.Body).Decode(&lifecycleData)
if err != nil {
s.writeErrorResponse(w, err)
return
}
globalLifecycleSys.Set(bucketName, lifecycleData)
w.(http.Flusher).Flush()
}
type remoteTargetExistsResp struct {
Exists bool
}
// TargetExistsHandler - Check if Target exists.
func (s *peerRESTServer) TargetExistsHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "TargetExists")
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
var targetID event.TargetID
if r.ContentLength <= 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
err := gob.NewDecoder(r.Body).Decode(&targetID)
if err != nil {
s.writeErrorResponse(w, err)
return
}
var targetExists remoteTargetExistsResp
targetExists.Exists = globalNotificationSys.RemoteTargetExist(bucketName, targetID)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(&targetExists))
}
type sendEventRequest struct {
Event event.Event
TargetID event.TargetID
}
type sendEventResp struct {
Success bool
}
// SendEventHandler - Send Event.
func (s *peerRESTServer) SendEventHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx := newContext(r, w, "SendEvent")
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
var eventReq sendEventRequest
if r.ContentLength <= 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
err := gob.NewDecoder(r.Body).Decode(&eventReq)
if err != nil {
s.writeErrorResponse(w, err)
return
}
var eventResp sendEventResp
eventResp.Success = true
errs := globalNotificationSys.send(bucketName, eventReq.Event, eventReq.TargetID)
for i := range errs {
reqInfo := (&logger.ReqInfo{}).AppendTags("Event", eventReq.Event.EventName.String())
reqInfo.AppendTags("targetName", eventReq.TargetID.Name)
ctx := logger.SetReqInfo(context.Background(), reqInfo)
logger.LogIf(ctx, errs[i].Err)
eventResp.Success = false
s.writeErrorResponse(w, errs[i].Err)
return
}
logger.LogIf(ctx, gob.NewEncoder(w).Encode(&eventResp))
w.(http.Flusher).Flush()
}
// PutBucketNotificationHandler - Set bucket policy.
func (s *peerRESTServer) PutBucketNotificationHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
var rulesMap event.RulesMap
if r.ContentLength < 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
err := gob.NewDecoder(r.Body).Decode(&rulesMap)
if err != nil {
s.writeErrorResponse(w, err)
return
}
globalNotificationSys.AddRulesMap(bucketName, rulesMap)
w.(http.Flusher).Flush()
}
// RemoveBucketObjectLockConfigHandler - handles DELETE bucket object lock configuration.
func (s *peerRESTServer) RemoveBucketObjectLockConfigHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
globalBucketObjectLockConfig.Remove(bucketName)
w.(http.Flusher).Flush()
}
// PutBucketObjectLockConfigHandler - handles PUT bucket object lock configuration.
func (s *peerRESTServer) PutBucketObjectLockConfigHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
bucketName := vars[peerRESTBucket]
if bucketName == "" {
s.writeErrorResponse(w, errors.New("Bucket name is missing"))
return
}
var retention Retention
if r.ContentLength < 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
err := gob.NewDecoder(r.Body).Decode(&retention)
if err != nil {
s.writeErrorResponse(w, err)
return
}
globalBucketObjectLockConfig.Set(bucketName, retention)
w.(http.Flusher).Flush()
}
// ServerUpdateHandler - updates the current server.
func (s *peerRESTServer) ServerUpdateHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
updateURL := vars[peerRESTUpdateURL]
sha256Hex := vars[peerRESTSha256Hex]
var latestReleaseTime time.Time
var err error
if latestRelease := vars[peerRESTLatestRelease]; latestRelease != "" {
latestReleaseTime, err = time.Parse(latestRelease, time.RFC3339)
if err != nil {
s.writeErrorResponse(w, err)
return
}
}
us, err := updateServer(updateURL, sha256Hex, latestReleaseTime)
if err != nil {
s.writeErrorResponse(w, err)
return
}
if us.CurrentVersion != us.UpdatedVersion {
globalServiceSignalCh <- serviceRestart
}
}
var errUnsupportedSignal = fmt.Errorf("unsupported signal: only restart and stop signals are supported")
// SignalServiceHandler - signal service handler.
func (s *peerRESTServer) SignalServiceHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
vars := mux.Vars(r)
signalString := vars[peerRESTSignal]
if signalString == "" {
s.writeErrorResponse(w, errors.New("signal name is missing"))
return
}
si, err := strconv.Atoi(signalString)
if err != nil {
s.writeErrorResponse(w, err)
return
}
signal := serviceSignal(si)
defer w.(http.Flusher).Flush()
switch signal {
case serviceRestart:
globalServiceSignalCh <- signal
case serviceStop:
globalServiceSignalCh <- signal
default:
s.writeErrorResponse(w, errUnsupportedSignal)
return
}
}
// ListenHandler sends http trace messages back to peer rest client
func (s *peerRESTServer) ListenHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
values := r.URL.Query()
var prefix string
if len(values[peerRESTListenPrefix]) > 1 {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
if len(values[peerRESTListenPrefix]) == 1 {
if err := event.ValidateFilterRuleValue(values[peerRESTListenPrefix][0]); err != nil {
s.writeErrorResponse(w, err)
return
}
prefix = values[peerRESTListenPrefix][0]
}
var suffix string
if len(values[peerRESTListenSuffix]) > 1 {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
if len(values[peerRESTListenSuffix]) == 1 {
if err := event.ValidateFilterRuleValue(values[peerRESTListenSuffix][0]); err != nil {
s.writeErrorResponse(w, err)
return
}
suffix = values[peerRESTListenSuffix][0]
}
pattern := event.NewPattern(prefix, suffix)
var eventNames []event.Name
for _, ev := range values[peerRESTListenEvents] {
eventName, err := event.ParseName(ev)
if err != nil {
s.writeErrorResponse(w, err)
return
}
eventNames = append(eventNames, eventName)
}
rulesMap := event.NewRulesMap(eventNames, pattern, event.TargetID{ID: mustGetUUID()})
w.WriteHeader(http.StatusOK)
w.(http.Flusher).Flush()
doneCh := make(chan struct{})
defer close(doneCh)
// Listen Publisher uses nonblocking publish and hence does not wait for slow subscribers.
// Use buffered channel to take care of burst sends or slow w.Write()
ch := make(chan interface{}, 2000)
globalHTTPListen.Subscribe(ch, doneCh, func(evI interface{}) bool {
ev, ok := evI.(event.Event)
if !ok {
return false
}
if ev.S3.Bucket.Name != values.Get(peerRESTListenBucket) {
return false
}
objectName, uerr := url.QueryUnescape(ev.S3.Object.Key)
if uerr != nil {
objectName = ev.S3.Object.Key
}
return len(rulesMap.Match(ev.EventName, objectName).ToSlice()) != 0
})
keepAliveTicker := time.NewTicker(500 * time.Millisecond)
defer keepAliveTicker.Stop()
enc := gob.NewEncoder(w)
for {
select {
case ev := <-ch:
if err := enc.Encode(ev); err != nil {
return
}
w.(http.Flusher).Flush()
case <-keepAliveTicker.C:
if err := enc.Encode(&event.Event{}); err != nil {
return
}
w.(http.Flusher).Flush()
}
}
}
// TraceHandler sends http trace messages back to peer rest client
func (s *peerRESTServer) TraceHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
trcAll := r.URL.Query().Get(peerRESTTraceAll) == "true"
trcErr := r.URL.Query().Get(peerRESTTraceErr) == "true"
w.WriteHeader(http.StatusOK)
w.(http.Flusher).Flush()
doneCh := make(chan struct{})
defer close(doneCh)
// Trace Publisher uses nonblocking publish and hence does not wait for slow subscribers.
// Use buffered channel to take care of burst sends or slow w.Write()
ch := make(chan interface{}, 2000)
globalHTTPTrace.Subscribe(ch, doneCh, func(entry interface{}) bool {
return mustTrace(entry, trcAll, trcErr)
})
keepAliveTicker := time.NewTicker(500 * time.Millisecond)
defer keepAliveTicker.Stop()
enc := gob.NewEncoder(w)
for {
select {
case entry := <-ch:
if err := enc.Encode(entry); err != nil {
return
}
w.(http.Flusher).Flush()
case <-keepAliveTicker.C:
if err := enc.Encode(&trace.Info{}); err != nil {
return
}
w.(http.Flusher).Flush()
}
}
}
func (s *peerRESTServer) BackgroundHealStatusHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("invalid request"))
return
}
ctx := newContext(r, w, "BackgroundHealStatus")
state := getLocalBackgroundHealStatus()
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(state))
}
func (s *peerRESTServer) BackgroundOpsStatusHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("invalid request"))
return
}
ctx := newContext(r, w, "BackgroundOpsStatus")
state := BgOpsStatus{
LifecycleOps: getLocalBgLifecycleOpsStatus(),
}
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(state))
}
// ConsoleLogHandler sends console logs of this node back to peer rest client
func (s *peerRESTServer) ConsoleLogHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
w.Header().Set("Connection", "close")
w.WriteHeader(http.StatusOK)
w.(http.Flusher).Flush()
doneCh := make(chan struct{})
defer close(doneCh)
ch := make(chan interface{}, 2000)
globalConsoleSys.Subscribe(ch, doneCh, "", 0, string(logger.All), nil)
enc := gob.NewEncoder(w)
for {
select {
case entry := <-ch:
if err := enc.Encode(entry); err != nil {
return
}
w.(http.Flusher).Flush()
case <-r.Context().Done():
return
}
}
}
func (s *peerRESTServer) writeErrorResponse(w http.ResponseWriter, err error) {
w.WriteHeader(http.StatusForbidden)
w.Write([]byte(err.Error()))
}
// IsValid - To authenticate and verify the time difference.
func (s *peerRESTServer) IsValid(w http.ResponseWriter, r *http.Request) bool {
if err := storageServerRequestValidate(r); err != nil {
s.writeErrorResponse(w, err)
return false
}
return true
}
// registerPeerRESTHandlers - register peer rest router.
func registerPeerRESTHandlers(router *mux.Router) {
server := &peerRESTServer{}
subrouter := router.PathPrefix(peerRESTPrefix).Subrouter()
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodNetReadPerfInfo).HandlerFunc(httpTraceHdrs(server.NetReadPerfInfoHandler)).Queries(restQueries(peerRESTNetPerfSize)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodCollectNetPerfInfo).HandlerFunc(httpTraceHdrs(server.CollectNetPerfInfoHandler)).Queries(restQueries(peerRESTNetPerfSize)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodGetLocks).HandlerFunc(httpTraceHdrs(server.GetLocksHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodServerInfo).HandlerFunc(httpTraceHdrs(server.ServerInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodCPULoadInfo).HandlerFunc(httpTraceHdrs(server.CPULoadInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodMemUsageInfo).HandlerFunc(httpTraceHdrs(server.MemUsageInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDrivePerfInfo).HandlerFunc(httpTraceHdrs(server.DrivePerfInfoHandler)).Queries(restQueries(peerRESTDrivePerfSize)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodHardwareCPUInfo).HandlerFunc(httpTraceHdrs(server.CPUInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodHardwareNetworkInfo).HandlerFunc(httpTraceHdrs(server.NetworkInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDeleteBucket).HandlerFunc(httpTraceHdrs(server.DeleteBucketHandler)).Queries(restQueries(peerRESTBucket)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodSignalService).HandlerFunc(httpTraceHdrs(server.SignalServiceHandler)).Queries(restQueries(peerRESTSignal)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodServerUpdate).HandlerFunc(httpTraceHdrs(server.ServerUpdateHandler)).Queries(restQueries(peerRESTUpdateURL, peerRESTSha256Hex, peerRESTLatestRelease)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodBucketPolicyRemove).HandlerFunc(httpTraceAll(server.RemoveBucketPolicyHandler)).Queries(restQueries(peerRESTBucket)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodBucketPolicySet).HandlerFunc(httpTraceHdrs(server.SetBucketPolicyHandler)).Queries(restQueries(peerRESTBucket)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDeletePolicy).HandlerFunc(httpTraceAll(server.DeletePolicyHandler)).Queries(restQueries(peerRESTPolicy)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadPolicy).HandlerFunc(httpTraceAll(server.LoadPolicyHandler)).Queries(restQueries(peerRESTPolicy)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadPolicyMapping).HandlerFunc(httpTraceAll(server.LoadPolicyMappingHandler)).Queries(restQueries(peerRESTUserOrGroup)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDeleteUser).HandlerFunc(httpTraceAll(server.LoadUserHandler)).Queries(restQueries(peerRESTUser)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadUser).HandlerFunc(httpTraceAll(server.LoadUserHandler)).Queries(restQueries(peerRESTUser, peerRESTUserTemp)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadUsers).HandlerFunc(httpTraceAll(server.LoadUsersHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadGroup).HandlerFunc(httpTraceAll(server.LoadGroupHandler)).Queries(restQueries(peerRESTGroup)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodStartProfiling).HandlerFunc(httpTraceAll(server.StartProfilingHandler)).Queries(restQueries(peerRESTProfiler)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDownloadProfilingData).HandlerFunc(httpTraceHdrs(server.DownloadProflingDataHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodTargetExists).HandlerFunc(httpTraceHdrs(server.TargetExistsHandler)).Queries(restQueries(peerRESTBucket)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodSendEvent).HandlerFunc(httpTraceHdrs(server.SendEventHandler)).Queries(restQueries(peerRESTBucket)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodBucketNotificationPut).HandlerFunc(httpTraceHdrs(server.PutBucketNotificationHandler)).Queries(restQueries(peerRESTBucket)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodReloadFormat).HandlerFunc(httpTraceHdrs(server.ReloadFormatHandler)).Queries(restQueries(peerRESTDryRun)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodBucketLifecycleSet).HandlerFunc(httpTraceHdrs(server.SetBucketLifecycleHandler)).Queries(restQueries(peerRESTBucket)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodBucketLifecycleRemove).HandlerFunc(httpTraceHdrs(server.RemoveBucketLifecycleHandler)).Queries(restQueries(peerRESTBucket)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodBackgroundOpsStatus).HandlerFunc(server.BackgroundOpsStatusHandler)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodTrace).HandlerFunc(server.TraceHandler)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodListen).HandlerFunc(httpTraceHdrs(server.ListenHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodBackgroundHealStatus).HandlerFunc(server.BackgroundHealStatusHandler)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLog).HandlerFunc(server.ConsoleLogHandler)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodPutBucketObjectLockConfig).HandlerFunc(httpTraceHdrs(server.PutBucketObjectLockConfigHandler)).Queries(restQueries(peerRESTBucket)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodBucketObjectLockConfigRemove).HandlerFunc(httpTraceHdrs(server.RemoveBucketObjectLockConfigHandler)).Queries(restQueries(peerRESTBucket)...)
}