148 lines
3.9 KiB
Go
148 lines
3.9 KiB
Go
/*
|
|
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
|
|
* Copyright 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 minio
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/xml"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/url"
|
|
|
|
"github.com/minio/minio-go/v7/pkg/lifecycle"
|
|
"github.com/minio/minio-go/v7/pkg/s3utils"
|
|
)
|
|
|
|
// SetBucketLifecycle set the lifecycle on an existing bucket.
|
|
func (c *Client) SetBucketLifecycle(ctx context.Context, bucketName string, config *lifecycle.Configuration) error {
|
|
// Input validation.
|
|
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
|
|
return err
|
|
}
|
|
|
|
// If lifecycle is empty then delete it.
|
|
if config.Empty() {
|
|
return c.removeBucketLifecycle(ctx, bucketName)
|
|
}
|
|
|
|
buf, err := xml.Marshal(config)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Save the updated lifecycle.
|
|
return c.putBucketLifecycle(ctx, bucketName, buf)
|
|
}
|
|
|
|
// Saves a new bucket lifecycle.
|
|
func (c *Client) putBucketLifecycle(ctx context.Context, bucketName string, buf []byte) error {
|
|
// Get resources properly escaped and lined up before
|
|
// using them in http request.
|
|
urlValues := make(url.Values)
|
|
urlValues.Set("lifecycle", "")
|
|
|
|
// Content-length is mandatory for put lifecycle request
|
|
reqMetadata := requestMetadata{
|
|
bucketName: bucketName,
|
|
queryValues: urlValues,
|
|
contentBody: bytes.NewReader(buf),
|
|
contentLength: int64(len(buf)),
|
|
contentMD5Base64: sumMD5Base64(buf),
|
|
}
|
|
|
|
// Execute PUT to upload a new bucket lifecycle.
|
|
resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
|
|
defer closeResponse(resp)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if resp != nil {
|
|
if resp.StatusCode != http.StatusOK {
|
|
return httpRespToErrorResponse(resp, bucketName, "")
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Remove lifecycle from a bucket.
|
|
func (c *Client) removeBucketLifecycle(ctx context.Context, bucketName string) error {
|
|
// Get resources properly escaped and lined up before
|
|
// using them in http request.
|
|
urlValues := make(url.Values)
|
|
urlValues.Set("lifecycle", "")
|
|
|
|
// Execute DELETE on objectName.
|
|
resp, err := c.executeMethod(ctx, http.MethodDelete, requestMetadata{
|
|
bucketName: bucketName,
|
|
queryValues: urlValues,
|
|
contentSHA256Hex: emptySHA256Hex,
|
|
})
|
|
defer closeResponse(resp)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// GetBucketLifecycle fetch bucket lifecycle configuration
|
|
func (c *Client) GetBucketLifecycle(ctx context.Context, bucketName string) (*lifecycle.Configuration, error) {
|
|
// Input validation.
|
|
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
bucketLifecycle, err := c.getBucketLifecycle(ctx, bucketName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
config := lifecycle.NewConfiguration()
|
|
if err = xml.Unmarshal(bucketLifecycle, config); err != nil {
|
|
return nil, err
|
|
}
|
|
return config, nil
|
|
}
|
|
|
|
// Request server for current bucket lifecycle.
|
|
func (c *Client) getBucketLifecycle(ctx context.Context, bucketName string) ([]byte, error) {
|
|
// Get resources properly escaped and lined up before
|
|
// using them in http request.
|
|
urlValues := make(url.Values)
|
|
urlValues.Set("lifecycle", "")
|
|
|
|
// Execute GET on bucket to get lifecycle.
|
|
resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{
|
|
bucketName: bucketName,
|
|
queryValues: urlValues,
|
|
})
|
|
|
|
defer closeResponse(resp)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if resp != nil {
|
|
if resp.StatusCode != http.StatusOK {
|
|
return nil, httpRespToErrorResponse(resp, bucketName, "")
|
|
}
|
|
}
|
|
|
|
return ioutil.ReadAll(resp.Body)
|
|
}
|