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minio/cmd/peer-rest-server.go

1176 lines
34 KiB

/*
* 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)...)
}