mirror of https://github.com/minio/minio.git
407 lines
13 KiB
Go
407 lines
13 KiB
Go
// Copyright (c) 2015-2022 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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"encoding/json"
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"encoding/xml"
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"fmt"
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"io"
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"net/http"
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"time"
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"github.com/gorilla/mux"
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"github.com/minio/minio/internal/bucket/replication"
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xhttp "github.com/minio/minio/internal/http"
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"github.com/minio/minio/internal/logger"
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"github.com/minio/pkg/bucket/policy"
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)
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// PutBucketReplicationConfigHandler - PUT Bucket replication configuration.
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// ----------
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// Add a replication configuration on the specified bucket as specified in https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutBucketReplication.html
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func (api objectAPIHandlers) PutBucketReplicationConfigHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "PutBucketReplicationConfig")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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vars := mux.Vars(r)
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bucket := vars["bucket"]
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objectAPI := api.ObjectAPI()
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if objectAPI == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
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return
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}
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if s3Error := checkRequestAuthType(ctx, r, policy.PutReplicationConfigurationAction, bucket, ""); s3Error != ErrNone {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
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return
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}
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// Check if bucket exists.
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if _, err := objectAPI.GetBucketInfo(ctx, bucket, BucketOptions{}); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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if versioned := globalBucketVersioningSys.Enabled(bucket); !versioned {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrReplicationNeedsVersioningError), r.URL)
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return
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}
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replicationConfig, err := replication.ParseConfig(io.LimitReader(r.Body, r.ContentLength))
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if err != nil {
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apiErr := errorCodes.ToAPIErr(ErrMalformedXML)
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apiErr.Description = err.Error()
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writeErrorResponse(ctx, w, apiErr, r.URL)
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return
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}
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sameTarget, apiErr := validateReplicationDestination(ctx, bucket, replicationConfig, true)
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if apiErr != noError {
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writeErrorResponse(ctx, w, apiErr, r.URL)
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return
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}
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// Validate the received bucket replication config
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if err = replicationConfig.Validate(bucket, sameTarget); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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configData, err := xml.Marshal(replicationConfig)
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if err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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if _, err = globalBucketMetadataSys.Update(ctx, bucket, bucketReplicationConfig, configData); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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// Write success response.
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writeSuccessResponseHeadersOnly(w)
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}
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// GetBucketReplicationConfigHandler - GET Bucket replication configuration.
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// ----------
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// Gets the replication configuration for a bucket.
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func (api objectAPIHandlers) GetBucketReplicationConfigHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetBucketReplicationConfig")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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vars := mux.Vars(r)
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bucket := vars["bucket"]
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objectAPI := api.ObjectAPI()
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if objectAPI == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
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return
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}
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// check if user has permissions to perform this operation
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if s3Error := checkRequestAuthType(ctx, r, policy.GetReplicationConfigurationAction, bucket, ""); s3Error != ErrNone {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
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return
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}
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// Check if bucket exists.
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if _, err := objectAPI.GetBucketInfo(ctx, bucket, BucketOptions{}); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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config, _, err := globalBucketMetadataSys.GetReplicationConfig(ctx, bucket)
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if err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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configData, err := xml.Marshal(config)
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if err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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// Write success response.
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writeSuccessResponseXML(w, configData)
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}
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// DeleteBucketReplicationConfigHandler - DELETE Bucket replication config.
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// ----------
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func (api objectAPIHandlers) DeleteBucketReplicationConfigHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "DeleteBucketReplicationConfig")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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vars := mux.Vars(r)
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bucket := vars["bucket"]
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objectAPI := api.ObjectAPI()
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if objectAPI == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
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return
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}
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if s3Error := checkRequestAuthType(ctx, r, policy.PutReplicationConfigurationAction, bucket, ""); s3Error != ErrNone {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
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return
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}
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// Check if bucket exists.
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if _, err := objectAPI.GetBucketInfo(ctx, bucket, BucketOptions{}); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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if globalSiteReplicationSys.isEnabled() {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrReplicationDenyEditError), r.URL)
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return
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}
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if _, err := globalBucketMetadataSys.Delete(ctx, bucket, bucketReplicationConfig); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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// Write success response.
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writeSuccessResponseHeadersOnly(w)
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}
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// GetBucketReplicationMetricsHandler - GET Bucket replication metrics.
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// ----------
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// Gets the replication metrics for a bucket.
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func (api objectAPIHandlers) GetBucketReplicationMetricsHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetBucketReplicationMetrics")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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vars := mux.Vars(r)
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bucket := vars["bucket"]
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objectAPI := api.ObjectAPI()
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if objectAPI == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
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return
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}
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// check if user has permissions to perform this operation
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if s3Error := checkRequestAuthType(ctx, r, policy.GetReplicationConfigurationAction, bucket, ""); s3Error != ErrNone {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
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return
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}
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// Check if bucket exists.
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if _, err := objectAPI.GetBucketInfo(ctx, bucket, BucketOptions{}); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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if _, _, err := globalBucketMetadataSys.GetReplicationConfig(ctx, bucket); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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var usageInfo BucketUsageInfo
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dataUsageInfo, err := loadDataUsageFromBackend(ctx, objectAPI)
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if err == nil && !dataUsageInfo.LastUpdate.IsZero() {
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usageInfo = dataUsageInfo.BucketsUsage[bucket]
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}
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w.Header().Set(xhttp.ContentType, string(mimeJSON))
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enc := json.NewEncoder(w)
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if err = enc.Encode(globalReplicationStats.getLatestReplicationStats(bucket, usageInfo)); 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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// ResetBucketReplicationStartHandler - starts a replication reset for all objects in a bucket which
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// qualify for replication and re-sync the object(s) to target, provided ExistingObjectReplication is
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// enabled for the qualifying rule. This API is a MinIO only extension provided for situations where
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// remote target is entirely lost,and previously replicated objects need to be re-synced. If resync is
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// already in progress it returns an error
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func (api objectAPIHandlers) ResetBucketReplicationStartHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "ResetBucketReplicationStart")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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vars := mux.Vars(r)
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bucket := vars["bucket"]
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durationStr := r.URL.Query().Get("older-than")
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arn := r.URL.Query().Get("arn")
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resetID := r.URL.Query().Get("reset-id")
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if resetID == "" {
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resetID = mustGetUUID()
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}
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var (
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days time.Duration
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err error
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)
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if durationStr != "" {
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days, err = time.ParseDuration(durationStr)
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if err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, InvalidArgument{
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Bucket: bucket,
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Err: fmt.Errorf("invalid query parameter older-than %s for %s : %w", durationStr, bucket, err),
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}), r.URL)
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}
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}
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resetBeforeDate := UTCNow().AddDate(0, 0, -1*int(days/24))
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objectAPI := api.ObjectAPI()
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if objectAPI == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
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return
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}
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if s3Error := checkRequestAuthType(ctx, r, policy.ResetBucketReplicationStateAction, bucket, ""); s3Error != ErrNone {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
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return
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}
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// Check if bucket exists.
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if _, err := objectAPI.GetBucketInfo(ctx, bucket, BucketOptions{}); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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config, _, err := globalBucketMetadataSys.GetReplicationConfig(ctx, bucket)
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if err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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if !config.HasExistingObjectReplication(arn) {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrReplicationNoExistingObjects), r.URL)
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return
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}
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tgtArns := config.FilterTargetArns(
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replication.ObjectOpts{
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OpType: replication.ResyncReplicationType,
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TargetArn: arn,
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})
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if len(tgtArns) == 0 {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrBadRequest, InvalidArgument{
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Bucket: bucket,
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Err: fmt.Errorf("Remote target ARN %s missing or ineligible for replication resync", arn),
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}), r.URL)
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return
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}
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if len(tgtArns) > 1 && arn == "" {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrBadRequest, InvalidArgument{
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Bucket: bucket,
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Err: fmt.Errorf("ARN should be specified for replication reset"),
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}), r.URL)
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return
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}
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var rinfo ResyncTargetsInfo
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target := globalBucketTargetSys.GetRemoteBucketTargetByArn(ctx, bucket, tgtArns[0])
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target.ResetBeforeDate = UTCNow().AddDate(0, 0, -1*int(days/24))
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target.ResetID = resetID
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rinfo.Targets = append(rinfo.Targets, ResyncTarget{Arn: tgtArns[0], ResetID: target.ResetID})
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if err = globalBucketTargetSys.SetTarget(ctx, bucket, &target, true); err != nil {
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switch err.(type) {
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case RemoteTargetConnectionErr:
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrReplicationRemoteConnectionError, err), r.URL)
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default:
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writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
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}
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}
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if err := startReplicationResync(ctx, bucket, arn, resetID, resetBeforeDate, objectAPI); err != nil {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrBadRequest, InvalidArgument{
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Bucket: bucket,
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Err: err,
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}), r.URL)
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return
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}
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data, err := json.Marshal(rinfo)
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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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// Write success response.
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writeSuccessResponseJSON(w, data)
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}
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// ResetBucketReplicationStatusHandler - returns the status of replication reset.
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// This API is a MinIO only extension
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func (api objectAPIHandlers) ResetBucketReplicationStatusHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "ResetBucketReplicationStatus")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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vars := mux.Vars(r)
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bucket := vars["bucket"]
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arn := r.URL.Query().Get("arn")
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var err error
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objectAPI := api.ObjectAPI()
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if objectAPI == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
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return
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}
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if s3Error := checkRequestAuthType(ctx, r, policy.ResetBucketReplicationStateAction, bucket, ""); s3Error != ErrNone {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
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return
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}
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// Check if bucket exists.
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if _, err := objectAPI.GetBucketInfo(ctx, bucket, BucketOptions{}); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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if _, _, err := globalBucketMetadataSys.GetReplicationConfig(ctx, bucket); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
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return
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}
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globalReplicationPool.resyncState.RLock()
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brs, ok := globalReplicationPool.resyncState.statusMap[bucket]
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globalReplicationPool.resyncState.RUnlock()
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if !ok {
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brs, err = loadBucketResyncMetadata(ctx, bucket, objectAPI)
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if err != nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErrWithErr(ErrBadRequest, InvalidArgument{
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Bucket: bucket,
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Err: fmt.Errorf("No replication resync status available for %s", arn),
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}), r.URL)
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return
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}
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}
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var rinfo ResyncTargetsInfo
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for tarn, st := range brs.TargetsMap {
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if arn != "" && tarn != arn {
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continue
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}
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rinfo.Targets = append(rinfo.Targets, ResyncTarget{
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Arn: tarn,
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ResetID: st.ResyncID,
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StartTime: st.StartTime,
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EndTime: st.EndTime,
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ResyncStatus: st.ResyncStatus.String(),
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ReplicatedSize: st.ReplicatedSize,
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ReplicatedCount: st.ReplicatedCount,
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FailedSize: st.FailedSize,
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FailedCount: st.FailedCount,
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Bucket: st.Bucket,
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Object: st.Object,
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})
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}
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data, err := json.Marshal(rinfo)
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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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// Write success response.
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writeSuccessResponseJSON(w, data)
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}
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