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178 lines
4.4 KiB
178 lines
4.4 KiB
4 years ago
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/*
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* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package madmin
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"github.com/minio/minio/pkg/auth"
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)
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// ArnType represents bucket ARN type
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type ArnType string
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const (
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// Replication specifies a ARN type of replication
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Replication ArnType = "replication"
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)
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// IsValid returns true if ARN type is replication
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func (t ArnType) IsValid() bool {
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return t == Replication
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}
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// BucketTarget represents the target bucket and site association.
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type BucketTarget struct {
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Endpoint string `json:"endpoint"`
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Credentials *auth.Credentials `json:"credentials"`
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TargetBucket string `json:"targetbucket"`
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Secure bool `json:"secure"`
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Path string `json:"path,omitempty"`
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API string `json:"api,omitempty"`
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Arn string `json:"arn,omitempty"`
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Type ArnType `json:"type"`
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}
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// URL returns replication target url
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func (t BucketTarget) URL() string {
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scheme := "http"
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if t.Secure {
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scheme = "https"
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}
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return fmt.Sprintf("%s://%s", scheme, t.Endpoint)
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}
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// Empty returns true if struct is empty.
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func (t BucketTarget) Empty() bool {
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return t.String() == "" || t.Credentials == nil
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}
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func (t *BucketTarget) String() string {
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return fmt.Sprintf("%s %s", t.Endpoint, t.TargetBucket)
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}
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// GetBucketTarget - gets target for this bucket
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func (adm *AdminClient) GetBucketTarget(ctx context.Context, bucket string) (target BucketTarget, err error) {
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4 years ago
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queryValues := url.Values{}
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queryValues.Set("bucket", bucket)
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reqData := requestData{
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4 years ago
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relPath: adminAPIPrefix + "/get-bucket-target",
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4 years ago
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queryValues: queryValues,
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}
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4 years ago
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// Execute GET on /minio/admin/v3/get-bucket-target
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resp, err := adm.executeMethod(ctx, http.MethodGet, reqData)
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defer closeResponse(resp)
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if err != nil {
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return target, err
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}
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if resp.StatusCode != http.StatusOK {
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return target, httpRespToErrorResponse(resp)
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}
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b, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return target, err
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}
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if err = json.Unmarshal(b, &target); err != nil {
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return target, err
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}
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if target.Empty() {
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return target, errors.New("No bucket target configured")
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4 years ago
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}
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return target, nil
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}
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// SetBucketTarget sets up a remote target for this bucket
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func (adm *AdminClient) SetBucketTarget(ctx context.Context, bucket string, target *BucketTarget) error {
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4 years ago
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data, err := json.Marshal(target)
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if err != nil {
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return err
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}
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encData, err := EncryptData(adm.getSecretKey(), data)
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if err != nil {
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return err
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}
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queryValues := url.Values{}
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queryValues.Set("bucket", bucket)
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reqData := requestData{
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relPath: adminAPIPrefix + "/set-bucket-target",
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queryValues: queryValues,
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content: encData,
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}
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// Execute PUT on /minio/admin/v3/set-bucket-replication-target to set a replication target for this bucket.
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resp, err := adm.executeMethod(ctx, http.MethodPut, reqData)
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defer closeResponse(resp)
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if err != nil {
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return err
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}
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if resp.StatusCode != http.StatusOK {
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return httpRespToErrorResponse(resp)
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}
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return nil
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}
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4 years ago
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// GetBucketTargetARN - gets Arn for this remote target
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func (adm *AdminClient) GetBucketTargetARN(ctx context.Context, rURL string) (arn string, err error) {
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4 years ago
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queryValues := url.Values{}
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queryValues.Set("url", rURL)
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reqData := requestData{
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4 years ago
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relPath: adminAPIPrefix + "/get-bucket-target-arn",
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4 years ago
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queryValues: queryValues,
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}
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4 years ago
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// Execute GET on /minio/admin/v3/list-bucket-target-arn
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resp, err := adm.executeMethod(ctx, http.MethodGet, reqData)
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defer closeResponse(resp)
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if err != nil {
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return arn, err
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}
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if resp.StatusCode != http.StatusOK {
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return arn, httpRespToErrorResponse(resp)
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}
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b, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return arn, err
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}
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if err = json.Unmarshal(b, &arn); err != nil {
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return arn, err
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}
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if arn == "" {
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4 years ago
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return arn, fmt.Errorf("Missing target ARN")
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4 years ago
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}
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return arn, nil
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}
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