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891 lines (770 loc) · 24.4 KB
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/*
* Minio Cloud Storage, (C) 2016, 2017, 2018 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"bytes"
"context"
"encoding/base64"
"encoding/json"
"errors"
"io"
"net/http"
"strconv"
"strings"
"sync"
"time"
"github.com/gorilla/mux"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/pkg/auth"
"github.com/minio/minio/pkg/handlers"
"github.com/minio/minio/pkg/madmin"
"github.com/minio/minio/pkg/quick"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
)
const (
maxConfigJSONSize = 256 * 1024 // 256KiB
)
// Type-safe query params.
type mgmtQueryKey string
// Only valid query params for mgmt admin APIs.
const (
mgmtBucket mgmtQueryKey = "bucket"
mgmtPrefix mgmtQueryKey = "prefix"
mgmtClientToken mgmtQueryKey = "clientToken"
mgmtForceStart mgmtQueryKey = "forceStart"
)
var (
// This struct literal represents the Admin API version that
// the server uses.
adminAPIVersionInfo = madmin.AdminAPIVersionInfo{
Version: "1",
}
)
// VersionHandler - GET /minio/admin/version
// -----------
// Returns Administration API version
func (a adminAPIHandlers) VersionHandler(w http.ResponseWriter, r *http.Request) {
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
jsonBytes, err := json.Marshal(adminAPIVersionInfo)
if err != nil {
writeErrorResponseJSON(w, ErrInternalError, r.URL)
logger.LogIf(context.Background(), err)
return
}
writeSuccessResponseJSON(w, jsonBytes)
}
// ServiceStatusHandler - GET /minio/admin/v1/service
// ----------
// Returns server version and uptime.
func (a adminAPIHandlers) ServiceStatusHandler(w http.ResponseWriter, r *http.Request) {
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
// Fetch server version
serverVersion := madmin.ServerVersion{
Version: Version,
CommitID: CommitID,
}
// Fetch uptimes from all peers. This may fail to due to lack
// of read-quorum availability.
uptime, err := getPeerUptimes(globalAdminPeers)
if err != nil {
writeErrorResponseJSON(w, toAPIErrorCode(err), r.URL)
logger.LogIf(context.Background(), err)
return
}
// Create API response
serverStatus := madmin.ServiceStatus{
ServerVersion: serverVersion,
Uptime: uptime,
}
// Marshal API response
jsonBytes, err := json.Marshal(serverStatus)
if err != nil {
writeErrorResponseJSON(w, ErrInternalError, r.URL)
logger.LogIf(context.Background(), err)
return
}
// Reply with storage information (across nodes in a
// distributed setup) as json.
writeSuccessResponseJSON(w, jsonBytes)
}
// ServiceStopNRestartHandler - POST /minio/admin/v1/service
// Body: {"action": <restart-action>}
// ----------
// Restarts/Stops minio server gracefully. In a distributed setup,
// restarts all the servers in the cluster.
func (a adminAPIHandlers) ServiceStopNRestartHandler(w http.ResponseWriter, r *http.Request) {
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
var sa madmin.ServiceAction
err := json.NewDecoder(r.Body).Decode(&sa)
if err != nil {
logger.LogIf(context.Background(), err)
writeErrorResponseJSON(w, ErrRequestBodyParse, r.URL)
return
}
var serviceSig serviceSignal
switch sa.Action {
case madmin.ServiceActionValueRestart:
serviceSig = serviceRestart
case madmin.ServiceActionValueStop:
serviceSig = serviceStop
default:
writeErrorResponseJSON(w, ErrMalformedPOSTRequest, r.URL)
logger.LogIf(context.Background(), errors.New("Invalid service action received"))
return
}
// Reply to the client before restarting minio server.
writeSuccessResponseHeadersOnly(w)
sendServiceCmd(globalAdminPeers, serviceSig)
}
// ServerProperties holds some server information such as, version, region
// uptime, etc..
type ServerProperties struct {
Uptime time.Duration `json:"uptime"`
Version string `json:"version"`
CommitID string `json:"commitID"`
Region string `json:"region"`
SQSARN []string `json:"sqsARN"`
}
// ServerConnStats holds transferred bytes from/to the server
type ServerConnStats struct {
TotalInputBytes uint64 `json:"transferred"`
TotalOutputBytes uint64 `json:"received"`
Throughput uint64 `json:"throughput,omitempty"`
}
// ServerHTTPMethodStats holds total number of HTTP operations from/to the server,
// including the average duration the call was spent.
type ServerHTTPMethodStats struct {
Count uint64 `json:"count"`
AvgDuration string `json:"avgDuration"`
}
// ServerHTTPStats holds all type of http operations performed to/from the server
// including their average execution time.
type ServerHTTPStats struct {
TotalHEADStats ServerHTTPMethodStats `json:"totalHEADs"`
SuccessHEADStats ServerHTTPMethodStats `json:"successHEADs"`
TotalGETStats ServerHTTPMethodStats `json:"totalGETs"`
SuccessGETStats ServerHTTPMethodStats `json:"successGETs"`
TotalPUTStats ServerHTTPMethodStats `json:"totalPUTs"`
SuccessPUTStats ServerHTTPMethodStats `json:"successPUTs"`
TotalPOSTStats ServerHTTPMethodStats `json:"totalPOSTs"`
SuccessPOSTStats ServerHTTPMethodStats `json:"successPOSTs"`
TotalDELETEStats ServerHTTPMethodStats `json:"totalDELETEs"`
SuccessDELETEStats ServerHTTPMethodStats `json:"successDELETEs"`
}
// ServerInfoData holds storage, connections and other
// information of a given server.
type ServerInfoData struct {
StorageInfo StorageInfo `json:"storage"`
ConnStats ServerConnStats `json:"network"`
HTTPStats ServerHTTPStats `json:"http"`
Properties ServerProperties `json:"server"`
}
// ServerInfo holds server information result of one node
type ServerInfo struct {
Error string `json:"error"`
Addr string `json:"addr"`
Data *ServerInfoData `json:"data"`
}
// ServerInfoHandler - GET /minio/admin/v1/info
// ----------
// Get server information
func (a adminAPIHandlers) ServerInfoHandler(w http.ResponseWriter, r *http.Request) {
// Authenticate request
// Setting the region as empty so as the mc server info command is irrespective to the region.
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
// Web service response
reply := make([]ServerInfo, len(globalAdminPeers))
var wg sync.WaitGroup
// Gather server information for all nodes
for i, p := range globalAdminPeers {
wg.Add(1)
// Gather information from a peer in a goroutine
go func(idx int, peer adminPeer) {
defer wg.Done()
// Initialize server info at index
reply[idx] = ServerInfo{Addr: peer.addr}
serverInfoData, err := peer.cmdRunner.ServerInfo()
if err != nil {
reqInfo := (&logger.ReqInfo{}).AppendTags("peerAddress", peer.addr)
ctx := logger.SetReqInfo(context.Background(), reqInfo)
logger.LogIf(ctx, err)
reply[idx].Error = err.Error()
return
}
reply[idx].Data = &serverInfoData
}(i, p)
}
wg.Wait()
// Marshal API response
jsonBytes, err := json.Marshal(reply)
if err != nil {
writeErrorResponseJSON(w, ErrInternalError, r.URL)
logger.LogIf(context.Background(), err)
return
}
// Reply with storage information (across nodes in a
// distributed setup) as json.
writeSuccessResponseJSON(w, jsonBytes)
}
// extractHealInitParams - Validates params for heal init API.
func extractHealInitParams(r *http.Request) (bucket, objPrefix string,
hs madmin.HealOpts, clientToken string, forceStart bool,
err APIErrorCode) {
vars := mux.Vars(r)
bucket = vars[string(mgmtBucket)]
objPrefix = vars[string(mgmtPrefix)]
if bucket == "" {
if objPrefix != "" {
// Bucket is required if object-prefix is given
err = ErrHealMissingBucket
return
}
} else if !IsValidBucketName(bucket) {
err = ErrInvalidBucketName
return
}
// empty prefix is valid.
if !IsValidObjectPrefix(objPrefix) {
err = ErrInvalidObjectName
return
}
qParms := r.URL.Query()
if len(qParms[string(mgmtClientToken)]) > 0 {
clientToken = qParms[string(mgmtClientToken)][0]
}
if _, ok := qParms[string(mgmtForceStart)]; ok {
forceStart = true
}
// ignore body if clientToken is provided
if clientToken == "" {
jerr := json.NewDecoder(r.Body).Decode(&hs)
if jerr != nil {
logger.LogIf(context.Background(), jerr)
err = ErrRequestBodyParse
return
}
}
err = ErrNone
return
}
// HealHandler - POST /minio/admin/v1/heal/
// -----------
// Start heal processing and return heal status items.
//
// On a successful heal sequence start, a unique client token is
// returned. Subsequent requests to this endpoint providing the client
// token will receive heal status records from the running heal
// sequence.
//
// If no client token is provided, and a heal sequence is in progress
// an error is returned with information about the running heal
// sequence. However, if the force-start flag is provided, the server
// aborts the running heal sequence and starts a new one.
func (a adminAPIHandlers) HealHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "Heal")
// Get object layer instance.
objLayer := newObjectLayerFn()
if objLayer == nil {
writeErrorResponseJSON(w, ErrServerNotInitialized, r.URL)
return
}
// Validate request signature.
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
// Check if this setup has an erasure coded backend.
if !globalIsXL {
writeErrorResponseJSON(w, ErrHealNotImplemented, r.URL)
return
}
bucket, objPrefix, hs, clientToken, forceStart, apiErr := extractHealInitParams(r)
if apiErr != ErrNone {
writeErrorResponseJSON(w, apiErr, r.URL)
return
}
type healResp struct {
respBytes []byte
errCode APIErrorCode
errBody string
}
// Define a closure to start sending whitespace to client
// after 10s unless a response item comes in
keepConnLive := func(w http.ResponseWriter, respCh chan healResp) {
ticker := time.NewTicker(time.Second * 10)
defer ticker.Stop()
started := false
forLoop:
for {
select {
case <-ticker.C:
if !started {
// Start writing response to client
started = true
setCommonHeaders(w)
w.Header().Set("Content-Type", string(mimeJSON))
// Set 200 OK status
w.WriteHeader(200)
}
// Send whitespace and keep connection open
w.Write([]byte("\n\r"))
w.(http.Flusher).Flush()
case hr := <-respCh:
switch {
case hr.errCode == ErrNone:
writeSuccessResponseJSON(w, hr.respBytes)
case hr.errBody == "":
writeErrorResponseJSON(w, hr.errCode, r.URL)
default:
writeCustomErrorResponseJSON(w, hr.errCode, hr.errBody, r.URL)
}
break forLoop
}
}
}
// find number of disks in the setup
info := objLayer.StorageInfo(ctx)
numDisks := info.Backend.OfflineDisks + info.Backend.OnlineDisks
if clientToken == "" {
// Not a status request
nh := newHealSequence(bucket, objPrefix, handlers.GetSourceIP(r),
numDisks, hs, forceStart)
respCh := make(chan healResp)
go func() {
respBytes, errCode, errMsg := globalAllHealState.LaunchNewHealSequence(nh)
hr := healResp{respBytes, errCode, errMsg}
respCh <- hr
}()
// Due to the force-starting functionality, the Launch
// call above can take a long time - to keep the
// connection alive, we start sending whitespace
keepConnLive(w, respCh)
} else {
// Since clientToken is given, fetch heal status from running
// heal sequence.
path := bucket + "/" + objPrefix
respBytes, errCode := globalAllHealState.PopHealStatusJSON(
path, clientToken)
if errCode != ErrNone {
writeErrorResponseJSON(w, errCode, r.URL)
} else {
writeSuccessResponseJSON(w, respBytes)
}
}
}
// GetConfigHandler - GET /minio/admin/v1/config
// Get config.json of this minio setup.
func (a adminAPIHandlers) GetConfigHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "GetConfigHandler")
// Get current object layer instance.
objectAPI := newObjectLayerFn()
if objectAPI == nil {
writeErrorResponseJSON(w, ErrServerNotInitialized, r.URL)
return
}
// Validate request signature.
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
config, err := readServerConfig(ctx, objectAPI)
if err != nil {
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
configData, err := json.MarshalIndent(config, "", "\t")
if err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
password := config.GetCredential().SecretKey
econfigData, err := madmin.EncryptServerConfigData(password, configData)
if err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
writeSuccessResponseJSON(w, econfigData)
}
// Disable tidwall json array notation in JSON key path so
// users can set json with a key as a number.
// In tidwall json, notify.webhook.0 = val means { "notify" : { "webhook" : [val] }}
// In Minio, notify.webhook.0 = val means { "notify" : { "webhook" : {"0" : val}}}
func normalizeJSONKey(input string) (key string) {
subKeys := strings.Split(input, ".")
for i, k := range subKeys {
if i > 0 {
key += "."
}
if _, err := strconv.Atoi(k); err == nil {
key += ":" + k
} else {
key += k
}
}
return
}
// GetConfigHandler - GET /minio/admin/v1/config-keys
// Get some keys in config.json of this minio setup.
func (a adminAPIHandlers) GetConfigKeysHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "GetConfigKeysHandler")
// Get current object layer instance.
objectAPI := newObjectLayerFn()
if objectAPI == nil {
writeErrorResponseJSON(w, ErrServerNotInitialized, r.URL)
return
}
// Validate request signature.
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
var keys []string
queries := r.URL.Query()
for k := range queries {
keys = append(keys, k)
}
config, err := readServerConfig(ctx, objectAPI)
if err != nil {
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
configData, err := json.Marshal(config)
if err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
configStr := string(configData)
newConfigStr := `{}`
for _, key := range keys {
// sjson.Set does not return an error if key is empty
// we should check by ourselves here
if key == "" {
continue
}
val := gjson.Get(configStr, key)
if j, err := sjson.Set(newConfigStr, normalizeJSONKey(key), val.Value()); err == nil {
newConfigStr = j
}
}
password := config.GetCredential().SecretKey
econfigData, err := madmin.EncryptServerConfigData(password, []byte(newConfigStr))
if err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
writeSuccessResponseJSON(w, []byte(econfigData))
}
// toAdminAPIErrCode - converts errXLWriteQuorum error to admin API
// specific error.
func toAdminAPIErrCode(err error) APIErrorCode {
switch err {
case errXLWriteQuorum:
return ErrAdminConfigNoQuorum
default:
return toAPIErrorCode(err)
}
}
// SetConfigHandler - PUT /minio/admin/v1/config
func (a adminAPIHandlers) SetConfigHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "SetConfigHandler")
// Get current object layer instance.
objectAPI := newObjectLayerFn()
if objectAPI == nil {
writeErrorResponseJSON(w, ErrServerNotInitialized, r.URL)
return
}
// Validate request signature.
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
// Deny if WORM is enabled
if globalWORMEnabled {
writeErrorResponseJSON(w, ErrMethodNotAllowed, r.URL)
return
}
// Read configuration bytes from request body.
configBuf := make([]byte, maxConfigJSONSize+1)
n, err := io.ReadFull(r.Body, configBuf)
if err == nil {
// More than maxConfigSize bytes were available
writeErrorResponseJSON(w, ErrAdminConfigTooLarge, r.URL)
return
}
if err != io.ErrUnexpectedEOF {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, toAPIErrorCode(err), r.URL)
return
}
password := globalServerConfig.GetCredential().SecretKey
configBytes, err := madmin.DecryptServerConfigData(password, bytes.NewReader(configBuf[:n]))
if err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, ErrAdminConfigBadJSON, r.URL)
return
}
// Validate JSON provided in the request body: check the
// client has not sent JSON objects with duplicate keys.
if err = quick.CheckDuplicateKeys(string(configBytes)); err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, ErrAdminConfigBadJSON, r.URL)
return
}
var config serverConfig
err = json.Unmarshal(configBytes, &config)
if err != nil {
logger.LogIf(ctx, err)
writeCustomErrorResponseJSON(w, ErrAdminConfigBadJSON, err.Error(), r.URL)
return
}
// If credentials for the server are provided via environment,
// then credentials in the provided configuration must match.
if globalIsEnvCreds {
creds := globalServerConfig.GetCredential()
if config.Credential.AccessKey != creds.AccessKey ||
config.Credential.SecretKey != creds.SecretKey {
writeErrorResponseJSON(w, ErrAdminCredentialsMismatch, r.URL)
return
}
}
if err = config.Validate(); err != nil {
writeCustomErrorResponseJSON(w, ErrAdminConfigBadJSON, err.Error(), r.URL)
return
}
if err = saveServerConfig(ctx, objectAPI, &config); err != nil {
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
// Reply to the client before restarting minio server.
writeSuccessResponseHeadersOnly(w)
sendServiceCmd(globalAdminPeers, serviceRestart)
}
func convertValueType(elem []byte, jsonType gjson.Type) (interface{}, error) {
str := string(elem)
switch jsonType {
case gjson.False, gjson.True:
return strconv.ParseBool(str)
case gjson.JSON:
return gjson.Parse(str).Value(), nil
case gjson.String:
return str, nil
case gjson.Number:
return strconv.ParseFloat(str, 64)
default:
return nil, nil
}
}
// SetConfigKeysHandler - PUT /minio/admin/v1/config-keys
func (a adminAPIHandlers) SetConfigKeysHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "SetConfigKeysHandler")
// Get current object layer instance.
objectAPI := newObjectLayerFn()
if objectAPI == nil {
writeErrorResponseJSON(w, ErrServerNotInitialized, r.URL)
return
}
// Deny if WORM is enabled
if globalWORMEnabled {
writeErrorResponseJSON(w, ErrMethodNotAllowed, r.URL)
return
}
// Validate request signature.
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
// Load config
configStruct, err := readServerConfig(ctx, objectAPI)
if err != nil {
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
// Convert config to json bytes
configBytes, err := json.Marshal(configStruct)
if err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
configStr := string(configBytes)
queries := r.URL.Query()
password := globalServerConfig.GetCredential().SecretKey
// Set key values in the JSON config
for k := range queries {
// Decode encrypted data associated to the current key
encryptedElem, dErr := base64.StdEncoding.DecodeString(queries.Get(k))
if dErr != nil {
reqInfo := (&logger.ReqInfo{}).AppendTags("key", k)
ctx = logger.SetReqInfo(ctx, reqInfo)
logger.LogIf(ctx, dErr)
writeErrorResponseJSON(w, ErrAdminConfigBadJSON, r.URL)
return
}
elem, dErr := madmin.DecryptServerConfigData(password, bytes.NewBuffer([]byte(encryptedElem)))
if dErr != nil {
logger.LogIf(ctx, dErr)
writeErrorResponseJSON(w, ErrAdminConfigBadJSON, r.URL)
return
}
// Calculate the type of the current key from the
// original config json
jsonFieldType := gjson.Get(configStr, k).Type
// Convert passed value to json filed type
val, cErr := convertValueType(elem, jsonFieldType)
if cErr != nil {
writeCustomErrorResponseJSON(w, ErrAdminConfigBadJSON, cErr.Error(), r.URL)
return
}
// Set the key/value in the new json document
if s, sErr := sjson.Set(configStr, normalizeJSONKey(k), val); sErr == nil {
configStr = s
}
}
configBytes = []byte(configStr)
// Validate config
var config serverConfig
if err = json.Unmarshal(configBytes, &config); err != nil {
writeCustomErrorResponseJSON(w, ErrAdminConfigBadJSON, err.Error(), r.URL)
return
}
if err = config.Validate(); err != nil {
writeCustomErrorResponseJSON(w, ErrAdminConfigBadJSON, err.Error(), r.URL)
return
}
if err = config.TestNotificationTargets(); err != nil {
writeCustomErrorResponseJSON(w, ErrAdminConfigBadJSON, err.Error(), r.URL)
return
}
// If credentials for the server are provided via environment,
// then credentials in the provided configuration must match.
if globalIsEnvCreds {
creds := globalServerConfig.GetCredential()
if config.Credential.AccessKey != creds.AccessKey ||
config.Credential.SecretKey != creds.SecretKey {
writeErrorResponseJSON(w, ErrAdminCredentialsMismatch, r.URL)
return
}
}
if err = saveServerConfig(ctx, objectAPI, &config); err != nil {
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
// Send success response
writeSuccessResponseHeadersOnly(w)
sendServiceCmd(globalAdminPeers, serviceRestart)
}
// UpdateCredsHandler - POST /minio/admin/v1/config/credential
// ----------
// Update credentials in a minio server. In a distributed setup,
// update all the servers in the cluster.
func (a adminAPIHandlers) UpdateCredentialsHandler(w http.ResponseWriter,
r *http.Request) {
ctx := newContext(r, w, "UpdateCredentialsHandler")
// Get current object layer instance.
objectAPI := newObjectLayerFn()
if objectAPI == nil {
writeErrorResponseJSON(w, ErrServerNotInitialized, r.URL)
return
}
// Avoid setting new credentials when they are already passed
// by the environment. Deny if WORM is enabled.
if globalIsEnvCreds {
writeErrorResponseJSON(w, ErrMethodNotAllowed, r.URL)
return
}
// Authenticate request
adminAPIErr := checkAdminRequestAuthType(r, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(w, adminAPIErr, r.URL)
return
}
// Read configuration bytes from request body.
configBuf := make([]byte, maxConfigJSONSize+1)
n, err := io.ReadFull(r.Body, configBuf)
if err == nil {
// More than maxConfigSize bytes were available
writeErrorResponseJSON(w, ErrAdminConfigTooLarge, r.URL)
return
}
if err != io.ErrUnexpectedEOF {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, toAPIErrorCode(err), r.URL)
return
}
password := globalServerConfig.GetCredential().SecretKey
configBytes, err := madmin.DecryptServerConfigData(password, bytes.NewReader(configBuf[:n]))
if err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, ErrAdminConfigBadJSON, r.URL)
return
}
// Decode request body
var req madmin.SetCredsReq
if err = json.Unmarshal(configBytes, &req); err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(w, ErrRequestBodyParse, r.URL)
return
}
creds, err := auth.CreateCredentials(req.AccessKey, req.SecretKey)
if err != nil {
writeErrorResponseJSON(w, toAPIErrorCode(err), r.URL)
return
}
// Acquire lock before updating global configuration.
globalServerConfigMu.Lock()
defer globalServerConfigMu.Unlock()
// Update local credentials in memory.
globalServerConfig.SetCredential(creds)
if err = saveServerConfig(ctx, objectAPI, globalServerConfig); err != nil {
writeErrorResponseJSON(w, toAdminAPIErrCode(err), r.URL)
return
}
// Notify all other Minio peers to update credentials
for host, err := range globalNotificationSys.LoadCredentials() {
if err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", host.String())
logger.LogIf(ctx, err)
}
}
// Reply to the client before restarting minio server.
writeSuccessResponseHeadersOnly(w)
}