| /* |
| * 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. |
| */ |
| |
| package org.apache.iotdb.confignode.procedure.impl.pipe.task; |
| |
| import org.apache.iotdb.common.rpc.thrift.TSStatus; |
| import org.apache.iotdb.commons.pipe.task.meta.PipeStatus; |
| import org.apache.iotdb.confignode.consensus.request.write.pipe.task.SetPipeStatusPlanV2; |
| import org.apache.iotdb.confignode.procedure.env.ConfigNodeProcedureEnv; |
| import org.apache.iotdb.confignode.procedure.impl.pipe.AbstractOperatePipeProcedureV2; |
| import org.apache.iotdb.confignode.procedure.impl.pipe.PipeTaskOperation; |
| import org.apache.iotdb.confignode.procedure.store.ProcedureType; |
| import org.apache.iotdb.consensus.exception.ConsensusException; |
| import org.apache.iotdb.pipe.api.exception.PipeException; |
| import org.apache.iotdb.rpc.TSStatusCode; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Objects; |
| |
| public class StartPipeProcedureV2 extends AbstractOperatePipeProcedureV2 { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(StartPipeProcedureV2.class); |
| |
| private String pipeName; |
| |
| public StartPipeProcedureV2() { |
| super(); |
| } |
| |
| public StartPipeProcedureV2(String pipeName) throws PipeException { |
| super(); |
| this.pipeName = pipeName; |
| } |
| |
| @Override |
| protected PipeTaskOperation getOperation() { |
| return PipeTaskOperation.START_PIPE; |
| } |
| |
| @Override |
| public boolean executeFromValidateTask(ConfigNodeProcedureEnv env) throws PipeException { |
| LOGGER.info("StartPipeProcedureV2: executeFromValidateTask({})", pipeName); |
| |
| pipeTaskInfo.get().checkBeforeStartPipe(pipeName); |
| |
| return pipeTaskInfo.get().isPipeRunning(pipeName) |
| && !pipeTaskInfo.get().isStoppedByRuntimeException(pipeName); |
| } |
| |
| @Override |
| public void executeFromCalculateInfoForTask(ConfigNodeProcedureEnv env) throws PipeException { |
| LOGGER.info("StartPipeProcedureV2: executeFromCalculateInfoForTask({})", pipeName); |
| // Do nothing |
| } |
| |
| @Override |
| public void executeFromWriteConfigNodeConsensus(ConfigNodeProcedureEnv env) throws PipeException { |
| LOGGER.info("StartPipeProcedureV2: executeFromWriteConfigNodeConsensus({})", pipeName); |
| |
| TSStatus response; |
| try { |
| response = |
| env.getConfigManager() |
| .getConsensusManager() |
| .write(new SetPipeStatusPlanV2(pipeName, PipeStatus.RUNNING)); |
| } catch (ConsensusException e) { |
| LOGGER.warn("Failed in the write API executing the consensus layer due to: ", e); |
| response = new TSStatus(TSStatusCode.EXECUTE_STATEMENT_ERROR.getStatusCode()); |
| response.setMessage(e.getMessage()); |
| } |
| if (response.getCode() != TSStatusCode.SUCCESS_STATUS.getStatusCode()) { |
| throw new PipeException(response.getMessage()); |
| } |
| } |
| |
| @Override |
| public void executeFromOperateOnDataNodes(ConfigNodeProcedureEnv env) throws IOException { |
| LOGGER.info("StartPipeProcedureV2: executeFromOperateOnDataNodes({})", pipeName); |
| |
| final String exceptionMessage = |
| parsePushPipeMetaExceptionForPipe(pipeName, pushSinglePipeMetaToDataNodes(pipeName, env)); |
| if (!exceptionMessage.isEmpty()) { |
| LOGGER.warn( |
| "Failed to start pipe {}, details: {}, metadata will be synchronized later.", |
| pipeName, |
| exceptionMessage); |
| return; |
| } |
| |
| // Clear exceptions and set isStoppedByRuntimeException to false if the pipe is |
| // started successfully on all data nodes |
| pipeTaskInfo.get().clearExceptionsAndSetIsStoppedByRuntimeExceptionToFalse(pipeName); |
| } |
| |
| @Override |
| public void rollbackFromValidateTask(ConfigNodeProcedureEnv env) { |
| LOGGER.info("StartPipeProcedureV2: rollbackFromValidateTask({})", pipeName); |
| // Do nothing |
| } |
| |
| @Override |
| public void rollbackFromCalculateInfoForTask(ConfigNodeProcedureEnv env) { |
| LOGGER.info("StartPipeProcedureV2: rollbackFromCalculateInfoForTask({})", pipeName); |
| // Do nothing |
| } |
| |
| @Override |
| public void rollbackFromWriteConfigNodeConsensus(ConfigNodeProcedureEnv env) { |
| LOGGER.info("StartPipeProcedureV2: rollbackFromWriteConfigNodeConsensus({})", pipeName); |
| |
| TSStatus response; |
| try { |
| response = |
| env.getConfigManager() |
| .getConsensusManager() |
| .write(new SetPipeStatusPlanV2(pipeName, PipeStatus.STOPPED)); |
| } catch (ConsensusException e) { |
| LOGGER.warn("Failed in the write API executing the consensus layer due to: ", e); |
| response = new TSStatus(TSStatusCode.EXECUTE_STATEMENT_ERROR.getStatusCode()); |
| response.setMessage(e.getMessage()); |
| } |
| if (response.getCode() != TSStatusCode.SUCCESS_STATUS.getStatusCode()) { |
| throw new PipeException(response.getMessage()); |
| } |
| } |
| |
| @Override |
| public void rollbackFromOperateOnDataNodes(ConfigNodeProcedureEnv env) throws IOException { |
| LOGGER.info("StartPipeProcedureV2: rollbackFromOperateOnDataNodes({})", pipeName); |
| |
| // Push all pipe metas to datanode, may be time-consuming |
| final String exceptionMessage = |
| parsePushPipeMetaExceptionForPipe(pipeName, pushPipeMetaToDataNodes(env)); |
| if (!exceptionMessage.isEmpty()) { |
| LOGGER.warn( |
| "Failed to rollback start pipe {}, details: {}, metadata will be synchronized later.", |
| pipeName, |
| exceptionMessage); |
| } |
| } |
| |
| @Override |
| public void serialize(DataOutputStream stream) throws IOException { |
| stream.writeShort(ProcedureType.START_PIPE_PROCEDURE_V2.getTypeCode()); |
| super.serialize(stream); |
| ReadWriteIOUtils.write(pipeName, stream); |
| } |
| |
| @Override |
| public void deserialize(ByteBuffer byteBuffer) { |
| super.deserialize(byteBuffer); |
| pipeName = ReadWriteIOUtils.readString(byteBuffer); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| StartPipeProcedureV2 that = (StartPipeProcedureV2) o; |
| return getProcId() == that.getProcId() |
| && getCurrentState().equals(that.getCurrentState()) |
| && getCycles() == that.getCycles() |
| && pipeName.equals(that.pipeName); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(getProcId(), getCurrentState(), getCycles(), pipeName); |
| } |
| } |