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feat: introduce pool-level rebalance (#15483)

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This commit is contained in:
Krishnan Parthasarathi
2022-10-25 12:36:57 -07:00
committed by GitHub
parent ce8456a1a9
commit 4523da6543
20 changed files with 3328 additions and 137 deletions
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cmd/config-common.go
+14 -6
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@@ -29,10 +29,14 @@ import (
var errConfigNotFound = errors.New("config file not found")
func readConfigWithMetadata(ctx context.Context, store objectIO, configFile string) ([]byte, ObjectInfo, error) {
r, err := store.GetObjectNInfo(ctx, minioMetaBucket, configFile, nil, http.Header{}, readLock, ObjectOptions{})
func readConfigWithMetadata(ctx context.Context, store objectIO, configFile string, opts ObjectOptions) ([]byte, ObjectInfo, error) {
lockType := readLock
if opts.NoLock {
lockType = noLock // erasureObjects.GetObjectNInfo honors lockType argument but not opts.NoLock.
}
r, err := store.GetObjectNInfo(ctx, minioMetaBucket, configFile, nil, http.Header{}, lockType, opts)
if err != nil {
// Treat object not found as config not found.
if isErrObjectNotFound(err) {
return nil, ObjectInfo{}, errConfigNotFound
}
@@ -52,7 +56,7 @@ func readConfigWithMetadata(ctx context.Context, store objectIO, configFile stri
}
func readConfig(ctx context.Context, store objectIO, configFile string) ([]byte, error) {
buf, _, err := readConfigWithMetadata(ctx, store, configFile)
buf, _, err := readConfigWithMetadata(ctx, store, configFile, ObjectOptions{})
return buf, err
}
@@ -70,16 +74,20 @@ func deleteConfig(ctx context.Context, objAPI objectDeleter, configFile string)
return err
}
func saveConfig(ctx context.Context, store objectIO, configFile string, data []byte) error {
func saveConfigWithOpts(ctx context.Context, store objectIO, configFile string, data []byte, opts ObjectOptions) error {
hashReader, err := hash.NewReader(bytes.NewReader(data), int64(len(data)), "", getSHA256Hash(data), int64(len(data)))
if err != nil {
return err
}
_, err = store.PutObject(ctx, minioMetaBucket, configFile, NewPutObjReader(hashReader), ObjectOptions{MaxParity: true})
_, err = store.PutObject(ctx, minioMetaBucket, configFile, NewPutObjReader(hashReader), opts)
return err
}
func saveConfig(ctx context.Context, store objectIO, configFile string, data []byte) error {
return saveConfigWithOpts(ctx, store, configFile, data, ObjectOptions{MaxParity: true})
}
func checkConfig(ctx context.Context, objAPI ObjectLayer, configFile string) error {
if _, err := objAPI.GetObjectInfo(ctx, minioMetaBucket, configFile, ObjectOptions{}); err != nil {
// Treat object not found as config not found.