e3f052cd84
* s3api: preserve lifecycle configs for terraform * s3api: bound lifecycle config request bodies * s3api: make bucket config updates copy-on-write * s3api: tighten string slice cloning
76 lines
2.6 KiB
Go
76 lines
2.6 KiB
Go
package s3api
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import (
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"fmt"
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"strings"
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"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
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)
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const (
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bucketLifecycleConfigurationXMLKey = "s3-bucket-lifecycle-configuration-xml"
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bucketLifecycleTransitionMinimumObjectSizeKey = "s3-bucket-lifecycle-transition-default-minimum-object-size"
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bucketLifecycleTransitionMinimumObjectSizeHeader = "X-Amz-Transition-Default-Minimum-Object-Size"
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defaultLifecycleTransitionMinimumObjectSize = "all_storage_classes_128K"
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maxBucketLifecycleConfigurationSize = 1 << 20
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)
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func normalizeBucketLifecycleTransitionMinimumObjectSize(value string) string {
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value = strings.TrimSpace(value)
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if value == "" {
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return defaultLifecycleTransitionMinimumObjectSize
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}
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return value
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}
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func (s3a *S3ApiServer) getStoredBucketLifecycleConfiguration(bucket string) ([]byte, string, bool, s3err.ErrorCode) {
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config, errCode := s3a.getBucketConfig(bucket)
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if errCode != s3err.ErrNone {
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return nil, "", false, errCode
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}
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if config.Entry == nil || config.Entry.Extended == nil {
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return nil, "", false, s3err.ErrNone
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}
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lifecycleXML, found := config.Entry.Extended[bucketLifecycleConfigurationXMLKey]
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if !found || len(lifecycleXML) == 0 {
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return nil, "", false, s3err.ErrNone
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}
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transitionMinimumObjectSize := normalizeBucketLifecycleTransitionMinimumObjectSize(
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string(config.Entry.Extended[bucketLifecycleTransitionMinimumObjectSizeKey]),
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)
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return append([]byte(nil), lifecycleXML...), transitionMinimumObjectSize, true, s3err.ErrNone
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}
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func (s3a *S3ApiServer) storeBucketLifecycleConfiguration(bucket string, lifecycleXML []byte, transitionMinimumObjectSize string) s3err.ErrorCode {
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return s3a.updateBucketConfig(bucket, func(config *BucketConfig) error {
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if config.Entry == nil {
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return fmt.Errorf("bucket %s is missing its filer entry", bucket)
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}
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if config.Entry.Extended == nil {
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config.Entry.Extended = make(map[string][]byte)
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}
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config.Entry.Extended[bucketLifecycleConfigurationXMLKey] = append([]byte(nil), lifecycleXML...)
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config.Entry.Extended[bucketLifecycleTransitionMinimumObjectSizeKey] = []byte(
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normalizeBucketLifecycleTransitionMinimumObjectSize(transitionMinimumObjectSize),
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)
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return nil
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})
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}
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func (s3a *S3ApiServer) clearStoredBucketLifecycleConfiguration(bucket string) s3err.ErrorCode {
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return s3a.updateBucketConfig(bucket, func(config *BucketConfig) error {
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if config.Entry == nil {
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return fmt.Errorf("bucket %s is missing its filer entry", bucket)
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}
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delete(config.Entry.Extended, bucketLifecycleConfigurationXMLKey)
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delete(config.Entry.Extended, bucketLifecycleTransitionMinimumObjectSizeKey)
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return nil
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})
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}
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