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1091 lines
31 KiB
1091 lines
31 KiB
/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"context"
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"encoding/gob"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"strconv"
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"strings"
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"time"
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"github.com/gorilla/mux"
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"github.com/minio/minio/cmd/logger"
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b "github.com/minio/minio/pkg/bucket/bandwidth"
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"github.com/minio/minio/pkg/event"
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"github.com/minio/minio/pkg/madmin"
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trace "github.com/minio/minio/pkg/trace"
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"github.com/tinylib/msgp/msgp"
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)
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// To abstract a node over network.
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type peerRESTServer struct{}
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// GetLocksHandler - returns list of older lock from the server.
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func (s *peerRESTServer) GetLocksHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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ctx := newContext(r, w, "GetLocks")
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logger.LogIf(ctx, gob.NewEncoder(w).Encode(globalLockServer.DupLockMap()))
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w.(http.Flusher).Flush()
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}
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// DeletePolicyHandler - deletes a policy on the server.
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func (s *peerRESTServer) DeletePolicyHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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objAPI := newObjectLayerFn()
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if objAPI == nil {
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s.writeErrorResponse(w, errServerNotInitialized)
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return
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}
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vars := mux.Vars(r)
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policyName := vars[peerRESTPolicy]
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if policyName == "" {
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s.writeErrorResponse(w, errors.New("policyName is missing"))
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return
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}
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if err := globalIAMSys.DeletePolicy(policyName); err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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w.(http.Flusher).Flush()
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}
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// LoadPolicyHandler - reloads a policy on the server.
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func (s *peerRESTServer) LoadPolicyHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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objAPI := newObjectLayerFn()
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if objAPI == nil {
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s.writeErrorResponse(w, errServerNotInitialized)
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return
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}
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vars := mux.Vars(r)
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policyName := vars[peerRESTPolicy]
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if policyName == "" {
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s.writeErrorResponse(w, errors.New("policyName is missing"))
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return
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}
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if err := globalIAMSys.LoadPolicy(objAPI, policyName); err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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w.(http.Flusher).Flush()
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}
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// LoadPolicyMappingHandler - reloads a policy mapping on the server.
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func (s *peerRESTServer) LoadPolicyMappingHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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objAPI := newObjectLayerFn()
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if objAPI == nil {
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s.writeErrorResponse(w, errServerNotInitialized)
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return
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}
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vars := mux.Vars(r)
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userOrGroup := vars[peerRESTUserOrGroup]
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if userOrGroup == "" {
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s.writeErrorResponse(w, errors.New("user-or-group is missing"))
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return
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}
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_, isGroup := vars[peerRESTIsGroup]
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if err := globalIAMSys.LoadPolicyMapping(objAPI, userOrGroup, isGroup); err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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w.(http.Flusher).Flush()
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}
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// DeleteServiceAccountHandler - deletes a service account on the server.
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func (s *peerRESTServer) DeleteServiceAccountHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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objAPI := newObjectLayerFn()
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if objAPI == nil {
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s.writeErrorResponse(w, errServerNotInitialized)
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return
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}
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vars := mux.Vars(r)
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accessKey := vars[peerRESTUser]
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if accessKey == "" {
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s.writeErrorResponse(w, errors.New("service account name is missing"))
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return
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}
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if err := globalIAMSys.DeleteServiceAccount(r.Context(), accessKey); err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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w.(http.Flusher).Flush()
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}
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// LoadServiceAccountHandler - reloads a service account on the server.
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func (s *peerRESTServer) LoadServiceAccountHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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objAPI := newObjectLayerFn()
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if objAPI == nil {
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s.writeErrorResponse(w, errServerNotInitialized)
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return
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}
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vars := mux.Vars(r)
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accessKey := vars[peerRESTUser]
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if accessKey == "" {
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s.writeErrorResponse(w, errors.New("service account parameter is missing"))
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return
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}
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if err := globalIAMSys.LoadServiceAccount(accessKey); err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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w.(http.Flusher).Flush()
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}
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// DeleteUserHandler - deletes a user on the server.
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func (s *peerRESTServer) DeleteUserHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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objAPI := newObjectLayerFn()
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if objAPI == nil {
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s.writeErrorResponse(w, errServerNotInitialized)
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return
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}
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vars := mux.Vars(r)
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accessKey := vars[peerRESTUser]
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if accessKey == "" {
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s.writeErrorResponse(w, errors.New("username is missing"))
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return
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}
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if err := globalIAMSys.DeleteUser(accessKey); err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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w.(http.Flusher).Flush()
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}
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// LoadUserHandler - reloads a user on the server.
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func (s *peerRESTServer) LoadUserHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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objAPI := newObjectLayerFn()
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if objAPI == nil {
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s.writeErrorResponse(w, errServerNotInitialized)
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return
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}
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vars := mux.Vars(r)
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accessKey := vars[peerRESTUser]
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if accessKey == "" {
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s.writeErrorResponse(w, errors.New("username is missing"))
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return
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}
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temp, err := strconv.ParseBool(vars[peerRESTUserTemp])
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if err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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var userType = regularUser
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if temp {
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userType = stsUser
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}
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if err = globalIAMSys.LoadUser(objAPI, accessKey, userType); err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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w.(http.Flusher).Flush()
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}
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// LoadGroupHandler - reloads group along with members list.
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func (s *peerRESTServer) LoadGroupHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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objAPI := newObjectLayerFn()
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if objAPI == nil {
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s.writeErrorResponse(w, errServerNotInitialized)
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return
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}
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vars := mux.Vars(r)
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group := vars[peerRESTGroup]
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err := globalIAMSys.LoadGroup(objAPI, group)
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if err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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w.(http.Flusher).Flush()
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}
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// StartProfilingHandler - Issues the start profiling command.
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func (s *peerRESTServer) StartProfilingHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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vars := mux.Vars(r)
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profiles := strings.Split(vars[peerRESTProfiler], ",")
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if len(profiles) == 0 {
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s.writeErrorResponse(w, errors.New("profiler name is missing"))
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return
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}
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globalProfilerMu.Lock()
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defer globalProfilerMu.Unlock()
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if globalProfiler == nil {
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globalProfiler = make(map[string]minioProfiler, 10)
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}
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// Stop profiler of all types if already running
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for k, v := range globalProfiler {
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for _, p := range profiles {
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if p == k {
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v.Stop()
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delete(globalProfiler, k)
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}
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}
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}
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for _, profiler := range profiles {
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prof, err := startProfiler(profiler)
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if err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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globalProfiler[profiler] = prof
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}
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w.(http.Flusher).Flush()
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}
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// DownloadProfilingDataHandler - returns profiled data.
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func (s *peerRESTServer) DownloadProfilingDataHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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ctx := newContext(r, w, "DownloadProfiling")
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profileData, err := getProfileData()
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if err != nil {
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s.writeErrorResponse(w, err)
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return
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}
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defer w.(http.Flusher).Flush()
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logger.LogIf(ctx, gob.NewEncoder(w).Encode(profileData))
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}
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// ServerInfoHandler - returns Server Info
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func (s *peerRESTServer) ServerInfoHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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ctx := newContext(r, w, "ServerInfo")
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info := getLocalServerProperty(globalEndpoints, r)
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defer w.(http.Flusher).Flush()
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logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
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}
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func (s *peerRESTServer) NetInfoHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "NetInfo")
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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// Use this trailer to send additional headers after sending body
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w.Header().Set("Trailer", "FinalStatus")
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w.Header().Set("Content-Type", "application/octet-stream")
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w.WriteHeader(http.StatusOK)
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n, err := io.Copy(ioutil.Discard, r.Body)
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if err == io.ErrUnexpectedEOF {
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w.Header().Set("FinalStatus", err.Error())
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return
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}
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if err != nil && err != io.EOF {
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logger.LogIf(ctx, err)
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w.Header().Set("FinalStatus", err.Error())
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return
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}
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if n != r.ContentLength {
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err := fmt.Errorf("Subnet health: short read: expected %d found %d", r.ContentLength, n)
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logger.LogIf(ctx, err)
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w.Header().Set("FinalStatus", err.Error())
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return
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}
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w.Header().Set("FinalStatus", "Success")
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w.(http.Flusher).Flush()
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}
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func (s *peerRESTServer) DispatchNetInfoHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
|
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return
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}
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done := keepHTTPResponseAlive(w)
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ctx := newContext(r, w, "DispatchNetInfo")
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info := globalNotificationSys.NetInfo(ctx)
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done(nil)
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logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
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w.(http.Flusher).Flush()
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}
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// DriveInfoHandler - returns Drive info.
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func (s *peerRESTServer) DriveInfoHandler(w http.ResponseWriter, r *http.Request) {
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
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return
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}
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|
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ctx, cancel := context.WithCancel(newContext(r, w, "DriveInfo"))
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defer cancel()
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infoSerial := getLocalDrives(ctx, false, globalEndpoints, r)
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infoParallel := getLocalDrives(ctx, true, globalEndpoints, r)
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|
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errStr := ""
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if infoSerial.Error != "" {
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errStr = "serial: " + infoSerial.Error
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}
|
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if infoParallel.Error != "" {
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errStr = errStr + " parallel: " + infoParallel.Error
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}
|
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info := madmin.ServerDrivesInfo{
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Addr: infoSerial.Addr,
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Serial: infoSerial.Serial,
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Parallel: infoParallel.Parallel,
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Error: errStr,
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}
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defer w.(http.Flusher).Flush()
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logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
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}
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// CPUInfoHandler - returns CPU info.
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func (s *peerRESTServer) CPUInfoHandler(w http.ResponseWriter, r *http.Request) {
|
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if !s.IsValid(w, r) {
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s.writeErrorResponse(w, errors.New("Invalid request"))
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithCancel(r.Context())
|
|
defer cancel()
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|
|
|
info := getLocalCPUInfo(ctx, r)
|
|
|
|
defer w.(http.Flusher).Flush()
|
|
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
|
|
}
|
|
|
|
// DiskHwInfoHandler - returns Disk HW info.
|
|
func (s *peerRESTServer) DiskHwInfoHandler(w http.ResponseWriter, r *http.Request) {
|
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if !s.IsValid(w, r) {
|
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s.writeErrorResponse(w, errors.New("Invalid request"))
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithCancel(r.Context())
|
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defer cancel()
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|
|
|
info := getLocalDiskHwInfo(ctx, r)
|
|
|
|
defer w.(http.Flusher).Flush()
|
|
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
|
|
}
|
|
|
|
// OsInfoHandler - returns Os info.
|
|
func (s *peerRESTServer) OsInfoHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
s.writeErrorResponse(w, errors.New("Invalid request"))
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithCancel(r.Context())
|
|
defer cancel()
|
|
|
|
info := getLocalOsInfo(ctx, r)
|
|
|
|
defer w.(http.Flusher).Flush()
|
|
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
|
|
}
|
|
|
|
// ProcInfoHandler - returns Proc info.
|
|
func (s *peerRESTServer) ProcInfoHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
s.writeErrorResponse(w, errors.New("Invalid request"))
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithCancel(r.Context())
|
|
defer cancel()
|
|
|
|
info := getLocalProcInfo(ctx, r)
|
|
|
|
defer w.(http.Flusher).Flush()
|
|
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
|
|
}
|
|
|
|
// MemInfoHandler - returns Memory info.
|
|
func (s *peerRESTServer) MemInfoHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
s.writeErrorResponse(w, errors.New("Invalid request"))
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithCancel(r.Context())
|
|
defer cancel()
|
|
|
|
info := getLocalMemInfo(ctx, r)
|
|
|
|
defer w.(http.Flusher).Flush()
|
|
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
|
|
}
|
|
|
|
// DeleteBucketMetadataHandler - Delete in memory bucket metadata
|
|
func (s *peerRESTServer) DeleteBucketMetadataHandler(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
|
|
}
|
|
|
|
globalBucketMetadataSys.Remove(bucketName)
|
|
if localMetacacheMgr != nil {
|
|
localMetacacheMgr.deleteBucketCache(bucketName)
|
|
}
|
|
}
|
|
|
|
// LoadBucketMetadataHandler - reloads in memory bucket metadata
|
|
func (s *peerRESTServer) LoadBucketMetadataHandler(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
|
|
}
|
|
|
|
objAPI := newObjectLayerFn()
|
|
if objAPI == nil {
|
|
s.writeErrorResponse(w, errServerNotInitialized)
|
|
return
|
|
}
|
|
|
|
meta, err := loadBucketMetadata(r.Context(), objAPI, bucketName)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
globalBucketMetadataSys.Set(bucketName, meta)
|
|
|
|
if meta.notificationConfig != nil {
|
|
globalNotificationSys.AddRulesMap(bucketName, meta.notificationConfig.ToRulesMap())
|
|
}
|
|
|
|
if meta.bucketTargetConfig != nil {
|
|
globalBucketTargetSys.UpdateAllTargets(bucketName, meta.bucketTargetConfig)
|
|
}
|
|
}
|
|
|
|
// CycleServerBloomFilterHandler cycles bloom filter on server.
|
|
func (s *peerRESTServer) CycleServerBloomFilterHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
s.writeErrorResponse(w, errors.New("Invalid request"))
|
|
return
|
|
}
|
|
|
|
ctx := newContext(r, w, "CycleServerBloomFilter")
|
|
|
|
var req bloomFilterRequest
|
|
err := gob.NewDecoder(r.Body).Decode(&req)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
bf, err := intDataUpdateTracker.cycleFilter(ctx, req)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
logger.LogIf(ctx, gob.NewEncoder(w).Encode(bf))
|
|
}
|
|
|
|
func (s *peerRESTServer) GetMetacacheListingHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
s.writeErrorResponse(w, errors.New("Invalid request"))
|
|
return
|
|
}
|
|
ctx := newContext(r, w, "GetMetacacheListing")
|
|
|
|
var opts listPathOptions
|
|
err := gob.NewDecoder(r.Body).Decode(&opts)
|
|
if err != nil && err != io.EOF {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
resp := localMetacacheMgr.getBucket(ctx, opts.Bucket).findCache(opts)
|
|
logger.LogIf(ctx, msgp.Encode(w, &resp))
|
|
}
|
|
|
|
func (s *peerRESTServer) UpdateMetacacheListingHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
s.writeErrorResponse(w, errors.New("Invalid request"))
|
|
return
|
|
}
|
|
ctx := newContext(r, w, "UpdateMetacacheListing")
|
|
|
|
var req metacache
|
|
err := msgp.Decode(r.Body, &req)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
cache, err := localMetacacheMgr.updateCacheEntry(req)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
// Return updated metadata.
|
|
logger.LogIf(ctx, msgp.Encode(w, &cache))
|
|
}
|
|
|
|
// 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()
|
|
}
|
|
|
|
// Return disk IDs of all the local disks.
|
|
func getLocalDiskIDs(z *erasureServerPools) []string {
|
|
var ids []string
|
|
|
|
for poolIdx := range z.serverPools {
|
|
for _, set := range z.serverPools[poolIdx].sets {
|
|
disks := set.getDisks()
|
|
for _, disk := range disks {
|
|
if disk == nil {
|
|
continue
|
|
}
|
|
if disk.IsLocal() {
|
|
id, err := disk.GetDiskID()
|
|
if err != nil {
|
|
continue
|
|
}
|
|
if id == "" {
|
|
continue
|
|
}
|
|
ids = append(ids, id)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return ids
|
|
}
|
|
|
|
// HealthHandler - returns true of health
|
|
func (s *peerRESTServer) HealthHandler(w http.ResponseWriter, r *http.Request) {
|
|
s.IsValid(w, r)
|
|
}
|
|
|
|
// GetLocalDiskIDs - Return disk IDs of all the local disks.
|
|
func (s *peerRESTServer) GetLocalDiskIDs(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
s.writeErrorResponse(w, errors.New("Invalid request"))
|
|
return
|
|
}
|
|
|
|
ctx := newContext(r, w, "GetLocalDiskIDs")
|
|
|
|
objLayer := newObjectLayerFn()
|
|
|
|
// Service not initialized yet
|
|
if objLayer == nil {
|
|
s.writeErrorResponse(w, errServerNotInitialized)
|
|
return
|
|
}
|
|
|
|
z, ok := objLayer.(*erasureServerPools)
|
|
if !ok {
|
|
s.writeErrorResponse(w, errServerNotInitialized)
|
|
return
|
|
}
|
|
|
|
ids := getLocalDiskIDs(z)
|
|
logger.LogIf(ctx, gob.NewEncoder(w).Encode(ids))
|
|
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
|
|
}
|
|
|
|
if r.ContentLength < 0 {
|
|
s.writeErrorResponse(w, errInvalidArgument)
|
|
return
|
|
}
|
|
|
|
var info serverUpdateInfo
|
|
err := gob.NewDecoder(r.Body).Decode(&info)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
if _, err = updateServer(info.URL, info.Sha256Sum, info.Time, getMinioMode()); err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
}
|
|
|
|
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
|
|
case serviceReloadDynamic:
|
|
srvCfg, err := getValidConfig(newObjectLayerFn())
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
err = applyDynamicConfig(r.Context(), srvCfg)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
return
|
|
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) != "" {
|
|
if ev.S3.Bucket.Name != values.Get(peerRESTListenBucket) {
|
|
return false
|
|
}
|
|
}
|
|
return rulesMap.MatchSimple(ev.EventName, ev.S3.Object.Key)
|
|
})
|
|
|
|
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, ok := getLocalBackgroundHealStatus()
|
|
if !ok {
|
|
s.writeErrorResponse(w, errServerNotInitialized)
|
|
return
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
// GetBandwidth gets the bandwidth for the buckets requested.
|
|
func (s *peerRESTServer) GetBandwidth(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
s.writeErrorResponse(w, errors.New("invalid request"))
|
|
return
|
|
}
|
|
bucketsString := r.URL.Query().Get("buckets")
|
|
w.WriteHeader(http.StatusOK)
|
|
w.(http.Flusher).Flush()
|
|
|
|
doneCh := make(chan struct{})
|
|
defer close(doneCh)
|
|
|
|
selectBuckets := b.SelectBuckets(strings.Split(bucketsString, ",")...)
|
|
report := globalBucketMonitor.GetReport(selectBuckets)
|
|
|
|
enc := gob.NewEncoder(w)
|
|
if err := enc.Encode(report); err != nil {
|
|
s.writeErrorResponse(w, errors.New("Encoding report failed: "+err.Error()))
|
|
return
|
|
}
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// GetPeerMetrics gets the metrics to be federated across peers.
|
|
func (s *peerRESTServer) GetPeerMetrics(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
s.writeErrorResponse(w, errors.New("invalid request"))
|
|
}
|
|
w.WriteHeader(http.StatusOK)
|
|
w.(http.Flusher).Flush()
|
|
|
|
doneCh := make(chan struct{})
|
|
defer close(doneCh)
|
|
|
|
enc := gob.NewEncoder(w)
|
|
|
|
ch := ReportMetrics(r.Context(), GetGeneratorsForPeer)
|
|
for m := range ch {
|
|
if err := enc.Encode(m); err != nil {
|
|
s.writeErrorResponse(w, errors.New("Encoding metric failed: "+err.Error()))
|
|
return
|
|
}
|
|
}
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// registerPeerRESTHandlers - register peer rest router.
|
|
func registerPeerRESTHandlers(router *mux.Router) {
|
|
server := &peerRESTServer{}
|
|
subrouter := router.PathPrefix(peerRESTPrefix).Subrouter()
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodHealth).HandlerFunc(httpTraceHdrs(server.HealthHandler))
|
|
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 + peerRESTMethodProcInfo).HandlerFunc(httpTraceHdrs(server.ProcInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodMemInfo).HandlerFunc(httpTraceHdrs(server.MemInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodOsInfo).HandlerFunc(httpTraceHdrs(server.OsInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDiskHwInfo).HandlerFunc(httpTraceHdrs(server.DiskHwInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodCPUInfo).HandlerFunc(httpTraceHdrs(server.CPUInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDriveInfo).HandlerFunc(httpTraceHdrs(server.DriveInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodNetInfo).HandlerFunc(httpTraceHdrs(server.NetInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDispatchNetInfo).HandlerFunc(httpTraceHdrs(server.DispatchNetInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodCycleBloom).HandlerFunc(httpTraceHdrs(server.CycleServerBloomFilterHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDeleteBucketMetadata).HandlerFunc(httpTraceHdrs(server.DeleteBucketMetadataHandler)).Queries(restQueries(peerRESTBucket)...)
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadBucketMetadata).HandlerFunc(httpTraceHdrs(server.LoadBucketMetadataHandler)).Queries(restQueries(peerRESTBucket)...)
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subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodSignalService).HandlerFunc(httpTraceHdrs(server.SignalServiceHandler)).Queries(restQueries(peerRESTSignal)...)
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subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodServerUpdate).HandlerFunc(httpTraceHdrs(server.ServerUpdateHandler))
|
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subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDeletePolicy).HandlerFunc(httpTraceAll(server.DeletePolicyHandler)).Queries(restQueries(peerRESTPolicy)...)
|
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subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadPolicy).HandlerFunc(httpTraceAll(server.LoadPolicyHandler)).Queries(restQueries(peerRESTPolicy)...)
|
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subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadPolicyMapping).HandlerFunc(httpTraceAll(server.LoadPolicyMappingHandler)).Queries(restQueries(peerRESTUserOrGroup)...)
|
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subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDeleteUser).HandlerFunc(httpTraceAll(server.DeleteUserHandler)).Queries(restQueries(peerRESTUser)...)
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDeleteServiceAccount).HandlerFunc(httpTraceAll(server.DeleteServiceAccountHandler)).Queries(restQueries(peerRESTUser)...)
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadUser).HandlerFunc(httpTraceAll(server.LoadUserHandler)).Queries(restQueries(peerRESTUser, peerRESTUserTemp)...)
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadServiceAccount).HandlerFunc(httpTraceAll(server.LoadServiceAccountHandler)).Queries(restQueries(peerRESTUser)...)
|
|
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.DownloadProfilingDataHandler))
|
|
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 + peerRESTMethodGetLocalDiskIDs).HandlerFunc(httpTraceHdrs(server.GetLocalDiskIDs))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodGetBandwidth).HandlerFunc(httpTraceHdrs(server.GetBandwidth))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodGetMetacacheListing).HandlerFunc(httpTraceHdrs(server.GetMetacacheListingHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodUpdateMetacacheListing).HandlerFunc(httpTraceHdrs(server.UpdateMetacacheListingHandler))
|
|
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodGetPeerMetrics).HandlerFunc(httpTraceHdrs(server.GetPeerMetrics))
|
|
}
|
|
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