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Add support for server side bucket replication (minio#9882)
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/* | ||
* MinIO Cloud Storage, (C) 2020 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. | ||
*/ | ||
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package cmd | ||
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import ( | ||
"encoding/json" | ||
"io" | ||
"io/ioutil" | ||
"net/http" | ||
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"github.com/gorilla/mux" | ||
"github.com/minio/minio/cmd/config" | ||
"github.com/minio/minio/cmd/logger" | ||
"github.com/minio/minio/pkg/auth" | ||
"github.com/minio/minio/pkg/env" | ||
iampolicy "github.com/minio/minio/pkg/iam/policy" | ||
"github.com/minio/minio/pkg/madmin" | ||
) | ||
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const ( | ||
bucketQuotaConfigFile = "quota.json" | ||
bucketReplicationTargetsFile = "replication-targets.json" | ||
) | ||
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// PutBucketQuotaConfigHandler - PUT Bucket quota configuration. | ||
// ---------- | ||
// Places a quota configuration on the specified bucket. The quota | ||
// specified in the quota configuration will be applied by default | ||
// to enforce total quota for the specified bucket. | ||
func (a adminAPIHandlers) PutBucketQuotaConfigHandler(w http.ResponseWriter, r *http.Request) { | ||
ctx := newContext(r, w, "PutBucketQuotaConfig") | ||
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defer logger.AuditLog(w, r, "PutBucketQuotaConfig", mustGetClaimsFromToken(r)) | ||
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objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.SetBucketQuotaAdminAction) | ||
if objectAPI == nil { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL) | ||
return | ||
} | ||
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vars := mux.Vars(r) | ||
bucket := vars["bucket"] | ||
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// Turn off quota commands if data usage info is unavailable. | ||
if env.Get(envDataUsageCrawlConf, config.EnableOn) == config.EnableOff { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminBucketQuotaDisabled), r.URL) | ||
return | ||
} | ||
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if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil { | ||
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL) | ||
return | ||
} | ||
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data, err := ioutil.ReadAll(r.Body) | ||
if err != nil { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL) | ||
return | ||
} | ||
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if _, err = parseBucketQuota(bucket, data); err != nil { | ||
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r)) | ||
return | ||
} | ||
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if err = globalBucketMetadataSys.Update(bucket, bucketQuotaConfigFile, data); err != nil { | ||
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r)) | ||
return | ||
} | ||
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// Write success response. | ||
writeSuccessResponseHeadersOnly(w) | ||
} | ||
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// GetBucketQuotaConfigHandler - gets bucket quota configuration | ||
func (a adminAPIHandlers) GetBucketQuotaConfigHandler(w http.ResponseWriter, r *http.Request) { | ||
ctx := newContext(r, w, "GetBucketQuotaConfig") | ||
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defer logger.AuditLog(w, r, "GetBucketQuotaConfig", mustGetClaimsFromToken(r)) | ||
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objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetBucketQuotaAdminAction) | ||
if objectAPI == nil { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL) | ||
return | ||
} | ||
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vars := mux.Vars(r) | ||
bucket := vars["bucket"] | ||
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil { | ||
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL) | ||
return | ||
} | ||
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config, err := globalBucketMetadataSys.GetQuotaConfig(bucket) | ||
if err != nil { | ||
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL) | ||
return | ||
} | ||
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configData, err := json.Marshal(config) | ||
if err != nil { | ||
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL) | ||
return | ||
} | ||
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// Write success response. | ||
writeSuccessResponseJSON(w, configData) | ||
} | ||
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// SetBucketReplicationTargetHandler - sets a replication target for bucket | ||
func (a adminAPIHandlers) SetBucketReplicationTargetHandler(w http.ResponseWriter, r *http.Request) { | ||
ctx := newContext(r, w, "SetBucketReplicationTarget") | ||
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defer logger.AuditLog(w, r, "SetBucketReplicationTarget", mustGetClaimsFromToken(r)) | ||
vars := mux.Vars(r) | ||
bucket := vars["bucket"] | ||
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// Get current object layer instance. | ||
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.SetBucketReplicationTargetAction) | ||
if objectAPI == nil { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL) | ||
return | ||
} | ||
// Turn off replication if disk crawl is unavailable. | ||
if env.Get(envDataUsageCrawlConf, config.EnableOn) == config.EnableOff { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrBucketReplicationDisabledError), r.URL) | ||
return | ||
} | ||
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// Check if bucket exists. | ||
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil { | ||
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL) | ||
return | ||
} | ||
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if versioned := globalBucketVersioningSys.Enabled(bucket); !versioned { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrReplicationBucketNeedsVersioningError), r.URL) | ||
return | ||
} | ||
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cred, _, _, s3Err := validateAdminSignature(ctx, r, "") | ||
if s3Err != ErrNone { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL) | ||
return | ||
} | ||
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password := cred.SecretKey | ||
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reqBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength)) | ||
if err != nil { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL) | ||
return | ||
} | ||
var target madmin.BucketReplicationTarget | ||
if err = json.Unmarshal(reqBytes, &target); err != nil { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL) | ||
return | ||
} | ||
target.Arn = globalBucketReplicationSys.getReplicationARN(target.URL()) | ||
tgtBytes, err := json.Marshal(&target) | ||
if err != nil { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL) | ||
return | ||
} | ||
if err = globalBucketMetadataSys.Update(bucket, bucketReplicationTargetsFile, tgtBytes); err != nil { | ||
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r)) | ||
return | ||
} | ||
if err = globalBucketReplicationSys.SetTarget(ctx, bucket, &target); err != nil { | ||
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL) | ||
return | ||
} | ||
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// Write success response. | ||
writeSuccessResponseHeadersOnly(w) | ||
} | ||
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// GetBucketReplicationTargetsHandler - gets bucket replication targets for a particular bucket | ||
func (a adminAPIHandlers) GetBucketReplicationTargetsHandler(w http.ResponseWriter, r *http.Request) { | ||
ctx := newContext(r, w, "GetBucketReplicationTarget") | ||
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defer logger.AuditLog(w, r, "GetBucketReplicationTarget", mustGetClaimsFromToken(r)) | ||
vars := mux.Vars(r) | ||
bucket := vars["bucket"] | ||
// Get current object layer instance. | ||
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetBucketReplicationTargetAction) | ||
if objectAPI == nil { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL) | ||
return | ||
} | ||
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target, err := globalBucketMetadataSys.GetReplicationTargetConfig(bucket) | ||
if err != nil { | ||
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL) | ||
return | ||
} | ||
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// remove secretKey from creds | ||
var tgt madmin.BucketReplicationTarget | ||
if !target.Empty() { | ||
var creds auth.Credentials | ||
creds.AccessKey = target.Credentials.AccessKey | ||
tgt = madmin.BucketReplicationTarget{Endpoint: target.Endpoint, TargetBucket: target.TargetBucket, Credentials: &creds} | ||
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} | ||
data, err := json.Marshal(tgt) | ||
if err != nil { | ||
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL) | ||
return | ||
} | ||
// Write success response. | ||
writeSuccessResponseJSON(w, data) | ||
} | ||
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// GetBucketReplicationARNHandler - gets replication ARN for a particular remote | ||
func (a adminAPIHandlers) GetBucketReplicationARNHandler(w http.ResponseWriter, r *http.Request) { | ||
ctx := newContext(r, w, "GetBucketReplicationARN") | ||
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defer logger.AuditLog(w, r, "GetBucketReplicationARN", mustGetClaimsFromToken(r)) | ||
vars := mux.Vars(r) | ||
rURL := vars["url"] | ||
// Get current object layer instance. | ||
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetBucketReplicationTargetAction) | ||
if objectAPI == nil { | ||
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL) | ||
return | ||
} | ||
data, err := json.Marshal(globalBucketReplicationSys.getARN(rURL)) | ||
if err != nil { | ||
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL) | ||
return | ||
} | ||
// Write success response. | ||
writeSuccessResponseJSON(w, data) | ||
} |
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