100 lines
2.8 KiB
Go
100 lines
2.8 KiB
Go
package storage
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import (
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"context"
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"github.com/influxdata/influxdb/v2/kit/platform"
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"github.com/influxdata/influxdb/v2"
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"github.com/influxdata/influxdb/v2/kit/tracing"
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"github.com/influxdata/influxdb/v2/v1/services/meta"
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"go.uber.org/zap"
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)
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type EngineSchema interface {
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CreateBucket(context.Context, *influxdb.Bucket) error
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UpdateBucketRetentionPolicy(context.Context, platform.ID, *influxdb.BucketUpdate) error
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DeleteBucket(context.Context, platform.ID, platform.ID) error
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}
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// BucketService wraps an existing influxdb.BucketService implementation.
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//
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// BucketService ensures that when a bucket is deleted, all stored data
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// associated with the bucket is either removed, or marked to be removed via a
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// future compaction.
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type BucketService struct {
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influxdb.BucketService
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log *zap.Logger
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engine EngineSchema
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}
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// NewBucketService returns a new BucketService for the provided EngineSchema,
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// which typically will be an Engine.
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func NewBucketService(log *zap.Logger, s influxdb.BucketService, engine EngineSchema) *BucketService {
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return &BucketService{
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BucketService: s,
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log: log,
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engine: engine,
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}
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}
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func (s *BucketService) CreateBucket(ctx context.Context, b *influxdb.Bucket) (err error) {
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span, ctx := tracing.StartSpanFromContext(ctx)
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defer span.Finish()
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defer func() {
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if err == nil {
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return
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}
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if b.ID.Valid() {
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if err := s.BucketService.DeleteBucket(ctx, b.ID); err != nil {
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s.log.Error("Unable to cleanup bucket after create failed", zap.Error(err))
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}
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}
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}()
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// Normalize the bucket's shard-group
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b.ShardGroupDuration = meta.NormalisedShardDuration(b.ShardGroupDuration, b.RetentionPeriod)
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if err = s.BucketService.CreateBucket(ctx, b); err != nil {
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return err
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}
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if err = s.engine.CreateBucket(ctx, b); err != nil {
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return err
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}
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return nil
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}
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func (s *BucketService) UpdateBucket(ctx context.Context, id platform.ID, upd influxdb.BucketUpdate) (b *influxdb.Bucket, err error) {
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span, ctx := tracing.StartSpanFromContext(ctx)
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defer span.Finish()
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if err = s.engine.UpdateBucketRetentionPolicy(ctx, id, &upd); err != nil {
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return nil, err
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}
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return s.BucketService.UpdateBucket(ctx, id, upd)
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}
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// DeleteBucket removes a bucket by ID.
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func (s *BucketService) DeleteBucket(ctx context.Context, bucketID platform.ID) error {
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span, ctx := tracing.StartSpanFromContext(ctx)
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defer span.Finish()
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bucket, err := s.FindBucketByID(ctx, bucketID)
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if err != nil {
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return err
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}
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// The data is dropped first from the storage engine. If this fails for any
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// reason, then the bucket will still be available in the future to retrieve
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// the orgID, which is needed for the engine.
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if err := s.engine.DeleteBucket(ctx, bucket.OrgID, bucketID); err != nil {
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return err
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}
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return s.BucketService.DeleteBucket(ctx, bucketID)
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}
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