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Add remove leaked collection meta cmd
Signed-off-by: xige-16 <[email protected]>
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,154 @@ | ||
package remove | ||
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import ( | ||
"context" | ||
"fmt" | ||
"path" | ||
"strconv" | ||
"strings" | ||
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"github.com/samber/lo" | ||
"github.com/spf13/cobra" | ||
clientv3 "go.etcd.io/etcd/client/v3" | ||
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"github.com/milvus-io/birdwatcher/models" | ||
"github.com/milvus-io/birdwatcher/states/etcd/common" | ||
etcdversion "github.com/milvus-io/birdwatcher/states/etcd/version" | ||
) | ||
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var paginationSize = 2000 | ||
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type ExcludePrefixOptions func(string) bool | ||
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// CollectionCleanCommand returns command to remove | ||
func CollectionCleanCommand(cli clientv3.KV, basePath string) *cobra.Command { | ||
cmd := &cobra.Command{ | ||
Use: "collection-meta-leaked", | ||
Short: "Remove leaked collection meta for collection has been dropped", | ||
Run: func(cmd *cobra.Command, args []string) { | ||
run, err := cmd.Flags().GetBool("run") | ||
if err != nil { | ||
fmt.Println(err.Error()) | ||
return | ||
} | ||
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collections, err := common.ListCollectionsVersion(context.TODO(), cli, basePath, etcdversion.GetVersion()) | ||
if err != nil { | ||
fmt.Println(err.Error()) | ||
return | ||
} | ||
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id2Collection := lo.SliceToMap(collections, func(col *models.Collection) (string, *models.Collection) { | ||
fmt.Printf("existing collectionID %v\n", col.ID) | ||
return strconv.FormatInt(col.ID, 10), col | ||
}) | ||
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cleanMetaFn := func(ctx context.Context, prefix string, opts ...ExcludePrefixOptions) error { | ||
return walkWithPrefix(ctx, cli, prefix, paginationSize, func(k []byte, v []byte) error { | ||
sKey := string(k) | ||
for _, opt := range opts { | ||
if opt(sKey) { | ||
return nil | ||
} | ||
} | ||
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key := sKey[len(prefix):] | ||
ss := strings.Split(key, "/") | ||
collectionExist := false | ||
for _, s := range ss { | ||
if _, ok := id2Collection[s]; ok { | ||
collectionExist = true | ||
} | ||
} | ||
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if !collectionExist { | ||
fmt.Println("clean meta key ", sKey) | ||
if run { | ||
_, err = cli.Delete(ctx, sKey) | ||
return err | ||
} | ||
} | ||
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return nil | ||
}) | ||
} | ||
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// remove collection meta | ||
// meta before database | ||
collectionMetaPrefix := path.Join(basePath, common.CollectionMetaPrefix) | ||
// with database | ||
dbCollectionMetaPrefix := path.Join(basePath, common.DBCollectionMetaPrefix) | ||
// remove collection field meta | ||
fieldsPrefix := path.Join(basePath, common.FieldMetaPrefix) | ||
fieldsSnapShotPrefix := path.Join(basePath, common.SnapshotPrefix, common.FieldMetaPrefix) | ||
// remove collection partition meta | ||
partitionsPrefix := path.Join(basePath, common.PartitionPrefix) | ||
partitionsSnapShotPrefix := path.Join(basePath, common.SnapshotPrefix, common.PartitionPrefix) | ||
prefixes := []string{ | ||
collectionMetaPrefix, | ||
dbCollectionMetaPrefix, | ||
fieldsPrefix, | ||
fieldsSnapShotPrefix, | ||
partitionsPrefix, | ||
partitionsSnapShotPrefix} | ||
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for _, prefix := range prefixes { | ||
fmt.Printf("start cleaning leaked collection meta, prefix: %s\n", prefix) | ||
err = cleanMetaFn(context.TODO(), prefix) | ||
if err != nil { | ||
fmt.Println(err.Error()) | ||
return | ||
} | ||
fmt.Printf("clean leaked collection meta done, prefix: %s\n", prefix) | ||
} | ||
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// remove segment meta | ||
segmentPrefix := path.Join(basePath, common.SegmentMetaPrefix) | ||
segmentStatsPrefix := path.Join(basePath, common.SegmentStatsMetaPrefix) | ||
fmt.Printf("start cleaning leaked segment meta, prefix: %s, exclude prefix%s\n", segmentPrefix, segmentStatsPrefix) | ||
err = cleanMetaFn(context.TODO(), segmentPrefix, func(key string) bool { | ||
return strings.HasPrefix(key, segmentStatsPrefix) | ||
}) | ||
if err != nil { | ||
fmt.Println(err.Error()) | ||
return | ||
} | ||
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fmt.Printf("clean leaked segment meta done, prefix: %s\n", segmentPrefix) | ||
}, | ||
} | ||
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cmd.Flags().Bool("run", false, "flags indicating whether to execute removed command") | ||
return cmd | ||
} | ||
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func walkWithPrefix(ctx context.Context, cli clientv3.KV, prefix string, paginationSize int, fn func([]byte, []byte) error) error { | ||
batch := int64(paginationSize) | ||
opts := []clientv3.OpOption{ | ||
clientv3.WithSort(clientv3.SortByKey, clientv3.SortAscend), | ||
clientv3.WithLimit(batch), | ||
clientv3.WithRange(clientv3.GetPrefixRangeEnd(prefix)), | ||
} | ||
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key := prefix | ||
for { | ||
resp, err := cli.Get(ctx, key, opts...) | ||
if err != nil { | ||
return err | ||
} | ||
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for _, kv := range resp.Kvs { | ||
if err = fn(kv.Key, kv.Value); err != nil { | ||
return err | ||
} | ||
} | ||
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if !resp.More { | ||
break | ||
} | ||
// move to next key | ||
key = string(append(resp.Kvs[len(resp.Kvs)-1].Key, 0)) | ||
} | ||
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return nil | ||
} |