mirror of
https://github.com/minio/minio.git
synced 2024-12-26 23:25:54 -05:00
555 lines
16 KiB
Go
555 lines
16 KiB
Go
// Copyright (c) 2015-2023 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"bytes"
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"context"
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"encoding/json"
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"io"
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"net/http"
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"strconv"
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"strings"
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"github.com/minio/madmin-go/v2"
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"github.com/minio/minio/internal/config"
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"github.com/minio/minio/internal/config/cache"
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"github.com/minio/minio/internal/config/etcd"
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xldap "github.com/minio/minio/internal/config/identity/ldap"
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"github.com/minio/minio/internal/config/identity/openid"
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idplugin "github.com/minio/minio/internal/config/identity/plugin"
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polplugin "github.com/minio/minio/internal/config/policy/plugin"
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"github.com/minio/minio/internal/config/storageclass"
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"github.com/minio/minio/internal/config/subnet"
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"github.com/minio/minio/internal/logger"
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"github.com/minio/mux"
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iampolicy "github.com/minio/pkg/iam/policy"
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)
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// DelConfigKVHandler - DELETE /minio/admin/v3/del-config-kv
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func (a adminAPIHandlers) DelConfigKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "DeleteConfigKV")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, cred := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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if r.ContentLength > maxEConfigJSONSize || r.ContentLength == -1 {
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// More than maxConfigSize bytes were available
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigTooLarge), r.URL)
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return
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}
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password := cred.SecretKey
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kvBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
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if err != nil {
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logger.LogIf(ctx, err, logger.Application)
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
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return
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}
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subSys, _, _, err := config.GetSubSys(string(kvBytes))
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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cfg, err := readServerConfig(ctx, objectAPI, nil)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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if err = cfg.DelFrom(bytes.NewReader(kvBytes)); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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if err = validateConfig(cfg, subSys); err != nil {
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
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return
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}
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// Check if subnet proxy being deleted and if so the value of proxy of subnet
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// target of logger webhook configuration also should be deleted
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loggerWebhookProxyDeleted := setLoggerWebhookSubnetProxy(subSys, cfg)
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if err = saveServerConfig(ctx, objectAPI, cfg); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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// freshly retrieve the config so that default values are loaded for reset config
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if cfg, err = getValidConfig(objectAPI); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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dynamic := config.SubSystemsDynamic.Contains(subSys)
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if dynamic {
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applyDynamic(ctx, objectAPI, cfg, subSys, r, w)
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if subSys == config.SubnetSubSys && loggerWebhookProxyDeleted {
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// Logger webhook proxy deleted, apply the dynamic changes
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applyDynamic(ctx, objectAPI, cfg, config.LoggerWebhookSubSys, r, w)
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}
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}
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}
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func applyDynamic(ctx context.Context, objectAPI ObjectLayer, cfg config.Config, subSys string,
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r *http.Request, w http.ResponseWriter,
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) {
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// Apply dynamic values.
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if err := applyDynamicConfigForSubSys(GlobalContext, objectAPI, cfg, subSys); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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globalNotificationSys.SignalConfigReload(subSys)
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// Tell the client that dynamic config was applied.
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w.Header().Set(madmin.ConfigAppliedHeader, madmin.ConfigAppliedTrue)
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}
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type badConfigErr struct {
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Err error
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}
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// Error - return the error message
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func (bce badConfigErr) Error() string {
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return bce.Err.Error()
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}
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// Unwrap the error to its underlying error.
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func (bce badConfigErr) Unwrap() error {
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return bce.Err
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}
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type setConfigResult struct {
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Cfg config.Config
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SubSys string
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Dynamic bool
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LoggerWebhookCfgUpdated bool
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}
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// SetConfigKVHandler - PUT /minio/admin/v3/set-config-kv
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func (a adminAPIHandlers) SetConfigKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "SetConfigKV")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, cred := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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if r.ContentLength > maxEConfigJSONSize || r.ContentLength == -1 {
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// More than maxConfigSize bytes were available
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigTooLarge), r.URL)
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return
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}
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password := cred.SecretKey
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kvBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
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if err != nil {
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logger.LogIf(ctx, err, logger.Application)
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
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return
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}
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result, err := setConfigKV(ctx, objectAPI, kvBytes)
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if err != nil {
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switch err.(type) {
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case badConfigErr:
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
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default:
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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}
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return
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}
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if result.Dynamic {
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applyDynamic(ctx, objectAPI, result.Cfg, result.SubSys, r, w)
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// If logger webhook config updated (proxy due to callhome), explicitly dynamically
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// apply the config
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if result.LoggerWebhookCfgUpdated {
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applyDynamic(ctx, objectAPI, result.Cfg, config.LoggerWebhookSubSys, r, w)
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}
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}
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writeSuccessResponseHeadersOnly(w)
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}
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func setConfigKV(ctx context.Context, objectAPI ObjectLayer, kvBytes []byte) (result setConfigResult, err error) {
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result.Cfg, err = readServerConfig(ctx, objectAPI, nil)
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if err != nil {
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return
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}
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result.Dynamic, err = result.Cfg.ReadConfig(bytes.NewReader(kvBytes))
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if err != nil {
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return
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}
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result.SubSys, _, _, err = config.GetSubSys(string(kvBytes))
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if err != nil {
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return
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}
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if verr := validateConfig(result.Cfg, result.SubSys); verr != nil {
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err = badConfigErr{Err: verr}
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return
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}
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// Check if subnet proxy being set and if so set the same value to proxy of subnet
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// target of logger webhook configuration
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result.LoggerWebhookCfgUpdated = setLoggerWebhookSubnetProxy(result.SubSys, result.Cfg)
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// Update the actual server config on disk.
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if err = saveServerConfig(ctx, objectAPI, result.Cfg); err != nil {
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return
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}
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// Write the config input KV to history.
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err = saveServerConfigHistory(ctx, objectAPI, kvBytes)
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return
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}
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// GetConfigKVHandler - GET /minio/admin/v3/get-config-kv?key={key}
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//
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// `key` can be one of three forms:
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// 1. `subsys:target` -> request for config of a single subsystem and target pair.
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// 2. `subsys:` -> request for config of a single subsystem and the default target.
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// 3. `subsys` -> request for config of all targets for the given subsystem.
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func (a adminAPIHandlers) GetConfigKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetConfigKV")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, cred := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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cfg := globalServerConfig.Clone()
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vars := mux.Vars(r)
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key := vars["key"]
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var subSys, target string
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{
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ws := strings.SplitN(key, madmin.SubSystemSeparator, 2)
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subSys = ws[0]
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if len(ws) == 2 {
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if ws[1] == "" {
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target = madmin.Default
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} else {
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target = ws[1]
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}
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}
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}
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subSysConfigs, err := cfg.GetSubsysInfo(subSys, target)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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var s strings.Builder
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for _, subSysConfig := range subSysConfigs {
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subSysConfig.WriteTo(&s, false)
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}
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password := cred.SecretKey
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econfigData, err := madmin.EncryptData(password, []byte(s.String()))
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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writeSuccessResponseJSON(w, econfigData)
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}
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func (a adminAPIHandlers) ClearConfigHistoryKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "ClearConfigHistoryKV")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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vars := mux.Vars(r)
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restoreID := vars["restoreId"]
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if restoreID == "" {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
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return
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}
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if restoreID == "all" {
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chEntries, err := listServerConfigHistory(ctx, objectAPI, false, -1)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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for _, chEntry := range chEntries {
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if err = delServerConfigHistory(ctx, objectAPI, chEntry.RestoreID); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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}
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} else if err := delServerConfigHistory(ctx, objectAPI, restoreID); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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}
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// RestoreConfigHistoryKVHandler - restores a config with KV settings for the given KV id.
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func (a adminAPIHandlers) RestoreConfigHistoryKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "RestoreConfigHistoryKV")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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vars := mux.Vars(r)
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restoreID := vars["restoreId"]
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if restoreID == "" {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
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return
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}
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kvBytes, err := readServerConfigHistory(ctx, objectAPI, restoreID)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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cfg, err := readServerConfig(ctx, objectAPI, nil)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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if _, err = cfg.ReadConfig(bytes.NewReader(kvBytes)); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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if err = validateConfig(cfg, ""); err != nil {
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
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return
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}
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if err = saveServerConfig(ctx, objectAPI, cfg); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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delServerConfigHistory(ctx, objectAPI, restoreID)
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}
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// ListConfigHistoryKVHandler - lists all the KV ids.
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func (a adminAPIHandlers) ListConfigHistoryKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "ListConfigHistoryKV")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, cred := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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vars := mux.Vars(r)
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count, err := strconv.Atoi(vars["count"])
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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chEntries, err := listServerConfigHistory(ctx, objectAPI, true, count)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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data, err := json.Marshal(chEntries)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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password := cred.SecretKey
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econfigData, err := madmin.EncryptData(password, data)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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writeSuccessResponseJSON(w, econfigData)
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}
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// HelpConfigKVHandler - GET /minio/admin/v3/help-config-kv?subSys={subSys}&key={key}
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func (a adminAPIHandlers) HelpConfigKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "HelpConfigKV")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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vars := mux.Vars(r)
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subSys := vars["subSys"]
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key := vars["key"]
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_, envOnly := r.Form["env"]
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rd, err := GetHelp(subSys, key, envOnly)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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json.NewEncoder(w).Encode(rd)
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}
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// SetConfigHandler - PUT /minio/admin/v3/config
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func (a adminAPIHandlers) SetConfigHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "SetConfig")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, cred := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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if r.ContentLength > maxEConfigJSONSize || r.ContentLength == -1 {
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// More than maxConfigSize bytes were available
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigTooLarge), r.URL)
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return
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}
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password := cred.SecretKey
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kvBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
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if err != nil {
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logger.LogIf(ctx, err, logger.Application)
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
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return
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}
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cfg := newServerConfig()
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if _, err = cfg.ReadConfig(bytes.NewReader(kvBytes)); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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if err = validateConfig(cfg, ""); err != nil {
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
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return
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}
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// Update the actual server config on disk.
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if err = saveServerConfig(ctx, objectAPI, cfg); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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// Write to the config input KV to history.
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if err = saveServerConfigHistory(ctx, objectAPI, kvBytes); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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writeSuccessResponseHeadersOnly(w)
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}
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// GetConfigHandler - GET /minio/admin/v3/config
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// Get config.json of this minio setup.
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func (a adminAPIHandlers) GetConfigHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetConfig")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, cred := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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cfg := globalServerConfig.Clone()
|
|
|
|
var s strings.Builder
|
|
hkvs := config.HelpSubSysMap[""]
|
|
for _, hkv := range hkvs {
|
|
// We ignore the error below, as we cannot get one.
|
|
cfgSubsysItems, _ := cfg.GetSubsysInfo(hkv.Key, "")
|
|
|
|
for _, item := range cfgSubsysItems {
|
|
off := item.Config.Get(config.Enable) == config.EnableOff
|
|
switch hkv.Key {
|
|
case config.EtcdSubSys:
|
|
off = !etcd.Enabled(item.Config)
|
|
case config.CacheSubSys:
|
|
off = !cache.Enabled(item.Config)
|
|
case config.StorageClassSubSys:
|
|
off = !storageclass.Enabled(item.Config)
|
|
case config.PolicyPluginSubSys:
|
|
off = !polplugin.Enabled(item.Config)
|
|
case config.IdentityOpenIDSubSys:
|
|
off = !openid.Enabled(item.Config)
|
|
case config.IdentityLDAPSubSys:
|
|
off = !xldap.Enabled(item.Config)
|
|
case config.IdentityTLSSubSys:
|
|
off = !globalIAMSys.STSTLSConfig.Enabled
|
|
case config.IdentityPluginSubSys:
|
|
off = !idplugin.Enabled(item.Config)
|
|
}
|
|
item.WriteTo(&s, off)
|
|
}
|
|
}
|
|
|
|
password := cred.SecretKey
|
|
econfigData, err := madmin.EncryptData(password, []byte(s.String()))
|
|
if err != nil {
|
|
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
|
|
return
|
|
}
|
|
|
|
writeSuccessResponseJSON(w, econfigData)
|
|
}
|
|
|
|
// setLoggerWebhookSubnetProxy - Sets the logger webhook's subnet proxy value to
|
|
// one being set for subnet proxy
|
|
func setLoggerWebhookSubnetProxy(subSys string, cfg config.Config) bool {
|
|
if subSys == config.SubnetSubSys {
|
|
subnetWebhookCfg := cfg[config.LoggerWebhookSubSys][subnet.LoggerWebhookName]
|
|
loggerWebhookSubnetProxy := subnetWebhookCfg.Get(logger.Proxy)
|
|
subnetProxy := cfg[config.SubnetSubSys][config.Default].Get(logger.Proxy)
|
|
if loggerWebhookSubnetProxy != subnetProxy {
|
|
subnetWebhookCfg.Set(logger.Proxy, subnetProxy)
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|