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minio/cmd/admin-handlers-quota.go

151 lines
4.9 KiB

/*
* 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.
*/
package cmd
import (
"io/ioutil"
"net/http"
"path"
"github.com/gorilla/mux"
"github.com/minio/minio/cmd/config"
"github.com/minio/minio/pkg/env"
iampolicy "github.com/minio/minio/pkg/iam/policy"
)
const (
bucketQuotaConfigFile = "quota.json"
)
// 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")
objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.SetBucketQuotaAdminAction)
if objectAPI == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
vars := mux.Vars(r)
bucket := vars["bucket"]
// 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
}
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
defer r.Body.Close()
data, err := ioutil.ReadAll(r.Body)
if err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
return
}
quotaCfg, err := parseBucketQuota(data)
if err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
configFile := path.Join(bucketConfigPrefix, bucket, bucketQuotaConfigFile)
if err = saveConfig(ctx, objectAPI, configFile, data); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
if quotaCfg.Quota > 0 {
globalBucketQuotaSys.Set(bucket, quotaCfg)
globalNotificationSys.PutBucketQuotaConfig(ctx, bucket, quotaCfg)
} else {
globalBucketQuotaSys.Remove(bucket)
globalNotificationSys.RemoveBucketQuotaConfig(ctx, bucket)
}
// Write success response.
writeSuccessResponseHeadersOnly(w)
}
// GetBucketQuotaConfigHandler - gets bucket quota configuration
func (a adminAPIHandlers) GetBucketQuotaConfigHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "GetBucketQuotaConfig")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetBucketQuotaAdminAction)
if objectAPI == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
vars := mux.Vars(r)
bucket := vars["bucket"]
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
configFile := path.Join(bucketConfigPrefix, bucket, bucketQuotaConfigFile)
configData, err := readConfig(ctx, objectAPI, configFile)
if err != nil {
if err != errConfigNotFound {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, BucketQuotaConfigNotFound{Bucket: bucket}), r.URL)
return
}
// Write success response.
writeSuccessResponseJSON(w, configData)
}
// RemoveBucketQuotaConfigHandler - removes Bucket quota configuration.
// ----------
// Removes quota configuration on the specified bucket.
func (a adminAPIHandlers) RemoveBucketQuotaConfigHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "RemoveBucketQuotaConfig")
objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.SetBucketQuotaAdminAction)
if objectAPI == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
vars := mux.Vars(r)
bucket := vars["bucket"]
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
configFile := path.Join(bucketConfigPrefix, bucket, bucketQuotaConfigFile)
if err := deleteConfig(ctx, objectAPI, configFile); err != nil {
if err != errConfigNotFound {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, BucketQuotaConfigNotFound{Bucket: bucket}), r.URL)
return
}
globalBucketQuotaSys.Remove(bucket)
globalNotificationSys.RemoveBucketQuotaConfig(ctx, bucket)
// Write success response.
writeSuccessNoContent(w)
}