package meta_storagepb

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MetaStorage is the meta storage service.

• rpc Watch (WatchRequest, stream WatchResponse)

  meta_storagepb.proto:19

  message WatchRequest

  meta_storagepb.proto:59

  copied part of https://github.com/etcd-io/etcd/blob/7dfd29b0cc7ce25337276dce646ca2a65aa44b4d/api/etcdserverpb/rpc.proto

  • optional RequestHeader header = 1

  • bytes key = 2

  • bytes range_end = 3

  • int64 start_revision = 4

  • bool prev_kv = 5

  message WatchResponse

  meta_storagepb.proto:68

  copied part of https://github.com/etcd-io/etcd/blob/7dfd29b0cc7ce25337276dce646ca2a65aa44b4d/api/etcdserverpb/rpc.proto

  • optional ResponseHeader header = 1

  • int64 compact_revision = 2

  • repeated Event events = 3

• rpc Get (GetRequest, GetResponse)

  meta_storagepb.proto:23

  Get is the same as etcd Range which might be implemented in a more common way so that we can use other storages to replace etcd in the future.

  message GetRequest

  meta_storagepb.proto:75

  copied part of https://github.com/etcd-io/etcd/blob/7dfd29b0cc7ce25337276dce646ca2a65aa44b4d/api/etcdserverpb/rpc.proto

  • optional RequestHeader header = 1

  • bytes key = 2

  • bytes range_end = 3

  • int64 limit = 4

  • int64 revision = 5

  message GetResponse

  meta_storagepb.proto:84

  copied part of https://github.com/etcd-io/etcd/blob/7dfd29b0cc7ce25337276dce646ca2a65aa44b4d/api/etcdserverpb/rpc.proto

  • optional ResponseHeader header = 1

  • repeated KeyValue kvs = 2

  • bool more = 3

  • int64 count = 4

• rpc Put (PutRequest, PutResponse)

  meta_storagepb.proto:25

  message PutRequest

  meta_storagepb.proto:92

  copied part of https://github.com/etcd-io/etcd/blob/7dfd29b0cc7ce25337276dce646ca2a65aa44b4d/api/etcdserverpb/rpc.proto

  • optional RequestHeader header = 1

  • bytes key = 2

  • bytes value = 3

  • int64 lease = 4

  • bool prev_kv = 5

  message PutResponse

  meta_storagepb.proto:101

  copied part of https://github.com/etcd-io/etcd/blob/7dfd29b0cc7ce25337276dce646ca2a65aa44b4d/api/etcdserverpb/rpc.proto

  • optional ResponseHeader header = 1

  • optional KeyValue prev_kv = 2

• rpc Delete (DeleteRequest, DeleteResponse)

  meta_storagepb.proto:29

  Delete is the same as etcd Range which might be implemented in a more common way so that we can use other storages to replace etcd in the future.

  message DeleteRequest

  meta_storagepb.proto:107

  copied from etcd https://github.com/etcd-io/etcd/blob/7dfd29b0cc7ce25337276dce646ca2a65aa44b4d/api/mvccpb/kv.proto

  • optional RequestHeader header = 1

  • bytes key = 2

  • bytes range_end = 3

    range_end is the key following the last key to delete for the range [key, range_end). If range_end is not given, the range is defined to contain only the key argument. If range_end is one bit larger than the given key, then the range is all the keys with the prefix (the given key). If range_end is '\0', the range is all keys greater than or equal to the key argument.

  • bool prev_kv = 4

    If prev_kv is set, etcd gets the previous key-value pairs before deleting it. The previous key-value pairs will be returned in the delete response.

  message DeleteResponse

  meta_storagepb.proto:122

  • optional ResponseHeader header = 1

  • int64 deleted = 2

    deleted is the number of keys deleted by the delete range request.

  • repeated KeyValue prev_kvs = 3

Used in: ResponseHeader

• ErrorType type = 1

• string message = 2

Used in: Error

• OK = 0

• UNKNOWN = 1

• DATA_COMPACTED = 2

  required watch revision is smaller than current compact/min revision.

copied from etcd https://github.com/etcd-io/etcd/blob/7dfd29b0cc7ce25337276dce646ca2a65aa44b4d/api/mvccpb/kv.proto

Used in: WatchResponse

• Event.EventType type = 1

  type is the kind of event. If type is a PUT, it indicates new data has been stored to the key. If type is a DELETE, it indicates the key was deleted.

• optional KeyValue kv = 2

  kv holds the KeyValue for the event. A PUT event contains current kv pair. A PUT event with kv.Version=1 indicates the creation of a key. A DELETE/EXPIRE event contains the deleted key with its modification revision set to the revision of deletion.

• optional KeyValue prev_kv = 3

  prev_kv holds the key-value pair before the event happens.

Used in: Event

• PUT = 0

• DELETE = 1

copied from etcd https://github.com/etcd-io/etcd/blob/7dfd29b0cc7ce25337276dce646ca2a65aa44b4d/api/mvccpb/kv.proto

Used in: DeleteResponse, Event, GetResponse, PutResponse

• bytes key = 1

  key is the key in bytes. An empty key is not allowed.

• int64 create_revision = 2

  create_revision is the revision of last creation on this key.

• int64 mod_revision = 3

  mod_revision is the revision of last modification on this key.

• int64 version = 4

  version is the version of the key. A deletion resets the version to zero and any modification of the key increases its version.

• bytes value = 5

  value is the value held by the key, in bytes.

• int64 lease = 6

  lease is the ID of the lease that attached to key. When the attached lease expires, the key will be deleted. If lease is 0, then no lease is attached to the key.

Used in: DeleteRequest, GetRequest, PutRequest, WatchRequest

• uint64 cluster_id = 1

  cluster_id is the ID of the cluster which be sent to.

• string source = 2

  source is the source of the request.

Used in: DeleteResponse, GetResponse, PutResponse, WatchResponse

• uint64 cluster_id = 1

  cluster_id is the ID of the cluster which sent the response.

• optional Error error = 2

• int64 revision = 3