| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * These .proto interfaces are private and unstable. |
| * Please see http://wiki.apache.org/hadoop/Compatibility |
| * for what changes are allowed for a *unstable* .proto interface. |
| */ |
| |
| option java_package = "org.apache.hadoop.hdds.protocol.proto"; |
| option java_outer_classname = "StorageContainerLocationProtocolProtos"; |
| option java_generic_services = true; |
| option java_generate_equals_and_hash = true; |
| package hadoop.hdds.container; |
| |
| import "hdds.proto"; |
| |
| /** |
| All functions are dispatched as Request/Response under Ozone. |
| if you add newe functions, please add them using same pattern. |
| */ |
| message ScmContainerLocationRequest { |
| required Type cmdType = 1; // Type of the command |
| |
| // A string that identifies this command, we generate Trace ID in Ozone |
| // frontend and this allows us to trace that command all over ozone. |
| optional string traceID = 2; |
| |
| optional ContainerRequestProto containerRequest = 6; |
| optional GetContainerRequestProto getContainerRequest = 7; |
| optional GetContainerWithPipelineRequestProto getContainerWithPipelineRequest = 8; |
| optional SCMListContainerRequestProto scmListContainerRequest = 9; |
| optional SCMDeleteContainerRequestProto scmDeleteContainerRequest = 10; |
| optional NodeQueryRequestProto nodeQueryRequest = 11; |
| optional ObjectStageChangeRequestProto objectStageChangeRequest = 12; |
| optional PipelineRequestProto pipelineRequest = 13; |
| optional ListPipelineRequestProto listPipelineRequest = 14; |
| optional ActivatePipelineRequestProto activatePipelineRequest = 15; |
| optional DeactivatePipelineRequestProto deactivatePipelineRequest = 16; |
| optional ClosePipelineRequestProto closePipelineRequest = 17; |
| optional GetScmInfoRequestProto getScmInfoRequest = 18; |
| optional InSafeModeRequestProto inSafeModeRequest = 19; |
| optional ForceExitSafeModeRequestProto forceExitSafeModeRequest = 20; |
| optional StartReplicationManagerRequestProto startReplicationManagerRequest = 21; |
| optional StopReplicationManagerRequestProto stopReplicationManagerRequest = 22; |
| optional ReplicationManagerStatusRequestProto seplicationManagerStatusRequest = 23; |
| |
| } |
| |
| message ScmContainerLocationResponse { |
| required Type cmdType = 1; // Type of the command |
| |
| optional string traceID = 2; |
| |
| optional bool success = 3 [default = true]; |
| |
| optional string message = 4; |
| |
| required Status status = 5; |
| |
| optional ContainerResponseProto containerResponse = 6; |
| optional GetContainerResponseProto getContainerResponse = 7; |
| optional GetContainerWithPipelineResponseProto getContainerWithPipelineResponse = 8; |
| optional SCMListContainerResponseProto scmListContainerResponse = 9; |
| optional SCMDeleteContainerResponseProto scmDeleteContainerResponse = 10; |
| optional NodeQueryResponseProto nodeQueryResponse = 11; |
| optional ObjectStageChangeResponseProto objectStageChangeResponse = 12; |
| optional PipelineResponseProto pipelineResponse = 13; |
| optional ListPipelineResponseProto listPipelineResponse = 14; |
| optional ActivatePipelineResponseProto activatePipelineResponse = 15; |
| optional DeactivatePipelineResponseProto deactivatePipelineResponse = 16; |
| optional ClosePipelineResponseProto closePipelineResponse = 17; |
| optional GetScmInfoResponseProto getScmInfoResponse = 18; |
| optional InSafeModeResponseProto inSafeModeResponse = 19; |
| optional ForceExitSafeModeResponseProto forceExitSafeModeResponse = 20; |
| optional StartReplicationManagerResponseProto startReplicationManagerResponse = 21; |
| optional StopReplicationManagerResponseProto stopReplicationManagerResponse = 22; |
| optional ReplicationManagerStatusResponseProto replicationManagerStatusResponse = 23; |
| enum Status { |
| OK = 1; |
| CONTAINER_ALREADY_EXISTS = 2; |
| CONTAINER_IS_MISSING = 3; |
| } |
| } |
| |
| enum Type { |
| |
| AllocateContainer = 1; |
| GetContainer = 2; |
| GetContainerWithPipeline = 3; |
| ListContainer = 4; |
| DeleteContainer = 5; |
| QueryNode = 6; |
| NotifyObjectStageChange = 7; |
| AllocatePipeline = 8; |
| ListPipelines = 9; |
| ActivatePipeline = 10; |
| DeactivatePipeline = 11; |
| ClosePipeline = 12; |
| GetScmInfo = 13; |
| InSafeMode = 14; |
| ForceExitSafeMode = 15; |
| StartReplicationManager = 16; |
| StopReplicationManager = 17; |
| GetReplicationManagerStatus = 18; |
| } |
| |
| /** |
| * Request send to SCM asking where the container should be created. |
| */ |
| message ContainerRequestProto { |
| // Ozone only support replication of either 1 or 3. |
| required ReplicationFactor replicationFactor = 2; |
| required ReplicationType replicationType = 3; |
| required string owner = 4; |
| optional string traceID = 5; |
| } |
| |
| /** |
| * Reply from SCM indicating that the container. |
| */ |
| message ContainerResponseProto { |
| enum Error { |
| success = 1; |
| errorContainerAlreadyExists = 2; |
| errorContainerMissing = 3; |
| } |
| required Error errorCode = 1; |
| required ContainerWithPipeline containerWithPipeline = 2; |
| optional string errorMessage = 3; |
| } |
| |
| message GetContainerRequestProto { |
| required int64 containerID = 1; |
| optional string traceID = 2; |
| |
| } |
| |
| message GetContainerResponseProto { |
| required ContainerInfoProto containerInfo = 1; |
| } |
| |
| message GetContainerWithPipelineRequestProto { |
| required int64 containerID = 1; |
| optional string traceID = 2; |
| |
| } |
| |
| message GetContainerWithPipelineResponseProto { |
| required ContainerWithPipeline containerWithPipeline = 1; |
| } |
| |
| message SCMListContainerRequestProto { |
| required uint32 count = 1; |
| optional uint64 startContainerID = 2; |
| optional string traceID = 3; |
| } |
| |
| message SCMListContainerResponseProto { |
| repeated ContainerInfoProto containers = 1; |
| } |
| |
| message SCMDeleteContainerRequestProto { |
| required int64 containerID = 1; |
| optional string traceID = 2; |
| |
| } |
| |
| message SCMDeleteContainerResponseProto { |
| // Empty response |
| } |
| |
| message ObjectStageChangeRequestProto { |
| enum Type { |
| container = 1; |
| pipeline = 2; |
| } |
| // delete/copy operation may be added later |
| enum Op { |
| create = 1; |
| close = 2; |
| } |
| enum Stage { |
| begin = 1; |
| complete = 2; |
| } |
| required int64 id = 1; |
| required Type type = 2; |
| required Op op= 3; |
| required Stage stage = 4; |
| optional string traceID = 5; |
| } |
| |
| message ObjectStageChangeResponseProto { |
| // Empty response |
| } |
| |
| /* |
| NodeQueryRequest sends a request to SCM asking to send a list of nodes that |
| match the NodeState that we are requesting. |
| */ |
| message NodeQueryRequestProto { |
| required NodeState state = 1; |
| required QueryScope scope = 2; |
| optional string poolName = 3; // if scope is pool, then pool name is needed. |
| optional string traceID = 4; |
| } |
| |
| message NodeQueryResponseProto { |
| repeated Node datanodes = 1; |
| } |
| |
| /** |
| Request to create a replication pipeline. |
| */ |
| message PipelineRequestProto { |
| required ReplicationType replicationType = 1; |
| required ReplicationFactor replicationFactor = 2; |
| |
| // if datanodes are specified then pipelines are created using those |
| // datanodes. |
| optional NodePool nodePool = 3; |
| optional string pipelineID = 4; |
| optional string traceID = 5; |
| } |
| |
| message PipelineResponseProto { |
| enum Error { |
| success = 1; |
| errorPipelineAlreadyExists = 2; |
| } |
| required Error errorCode = 1; |
| optional Pipeline pipeline = 2; |
| optional string errorMessage = 3; |
| } |
| |
| message ListPipelineRequestProto { |
| optional string traceID = 1; |
| } |
| |
| message ListPipelineResponseProto { |
| repeated Pipeline pipelines = 1; |
| } |
| |
| message ActivatePipelineRequestProto { |
| required PipelineID pipelineID = 1; |
| optional string traceID = 2; |
| } |
| |
| message ActivatePipelineResponseProto { |
| } |
| |
| message DeactivatePipelineRequestProto { |
| required PipelineID pipelineID = 1; |
| optional string traceID = 2; |
| } |
| |
| message DeactivatePipelineResponseProto { |
| } |
| |
| message ClosePipelineRequestProto { |
| required PipelineID pipelineID = 1; |
| optional string traceID = 2; |
| |
| } |
| |
| message ClosePipelineResponseProto { |
| } |
| |
| message InSafeModeRequestProto { |
| optional string traceID = 1; |
| } |
| |
| message InSafeModeResponseProto { |
| required bool inSafeMode = 1; |
| } |
| |
| message ForceExitSafeModeRequestProto { |
| optional string traceID = 1; |
| } |
| |
| message ForceExitSafeModeResponseProto { |
| required bool exitedSafeMode = 1; |
| } |
| |
| message StartReplicationManagerRequestProto { |
| optional string traceID = 1; |
| } |
| |
| message StartReplicationManagerResponseProto { |
| } |
| |
| message StopReplicationManagerRequestProto { |
| optional string traceID = 1; |
| } |
| |
| message StopReplicationManagerResponseProto { |
| } |
| |
| message ReplicationManagerStatusRequestProto { |
| optional string traceID = 1; |
| } |
| |
| message ReplicationManagerStatusResponseProto { |
| required bool isRunning = 1; |
| } |
| |
| /** |
| * Protocol used from an HDFS node to StorageContainerManager. See the request |
| * and response messages for details of the RPC calls. |
| */ |
| service StorageContainerLocationProtocolService { |
| rpc submitRequest (ScmContainerLocationRequest) returns (ScmContainerLocationResponse); |
| |
| } |