| /* |
| * 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.trigger; |
| |
| import org.apache.iotdb.common.rpc.thrift.TSStatus; |
| import org.apache.iotdb.commons.trigger.TriggerInformation; |
| import org.apache.iotdb.commons.trigger.exception.TriggerManagementException; |
| import org.apache.iotdb.confignode.consensus.request.write.pipe.payload.PipeEnrichedPlan; |
| import org.apache.iotdb.confignode.consensus.request.write.trigger.AddTriggerInTablePlan; |
| import org.apache.iotdb.confignode.consensus.request.write.trigger.DeleteTriggerInTablePlan; |
| import org.apache.iotdb.confignode.consensus.request.write.trigger.UpdateTriggerStateInTablePlan; |
| import org.apache.iotdb.confignode.manager.ConfigManager; |
| import org.apache.iotdb.confignode.persistence.TriggerInfo; |
| import org.apache.iotdb.confignode.procedure.env.ConfigNodeProcedureEnv; |
| import org.apache.iotdb.confignode.procedure.exception.ProcedureException; |
| import org.apache.iotdb.confignode.procedure.impl.node.AbstractNodeProcedure; |
| import org.apache.iotdb.confignode.procedure.state.CreateTriggerState; |
| import org.apache.iotdb.confignode.procedure.store.ProcedureType; |
| import org.apache.iotdb.confignode.rpc.thrift.TTriggerState; |
| import org.apache.iotdb.consensus.exception.ConsensusException; |
| import org.apache.iotdb.rpc.RpcUtils; |
| import org.apache.iotdb.rpc.TSStatusCode; |
| import org.apache.iotdb.tsfile.utils.Binary; |
| 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 CreateTriggerProcedure extends AbstractNodeProcedure<CreateTriggerState> { |
| private static final Logger LOG = LoggerFactory.getLogger(CreateTriggerProcedure.class); |
| private static final int RETRY_THRESHOLD = 5; |
| |
| private TriggerInformation triggerInformation; |
| private Binary jarFile; |
| |
| public CreateTriggerProcedure(boolean isGeneratedByPipe) { |
| super(isGeneratedByPipe); |
| } |
| |
| public CreateTriggerProcedure( |
| TriggerInformation triggerInformation, Binary jarFile, boolean isGeneratedByPipe) { |
| super(isGeneratedByPipe); |
| this.triggerInformation = triggerInformation; |
| this.jarFile = jarFile; |
| } |
| |
| @Override |
| protected Flow executeFromState(ConfigNodeProcedureEnv env, CreateTriggerState state) { |
| if (triggerInformation == null) { |
| return Flow.NO_MORE_STATE; |
| } |
| try { |
| switch (state) { |
| case INIT: |
| LOG.info("Start to create trigger [{}]", triggerInformation.getTriggerName()); |
| |
| TriggerInfo triggerInfo = env.getConfigManager().getTriggerManager().getTriggerInfo(); |
| triggerInfo.acquireTriggerTableLock(); |
| triggerInfo.validate( |
| triggerInformation.getTriggerName(), |
| triggerInformation.getJarName(), |
| triggerInformation.getJarFileMD5()); |
| setNextState(CreateTriggerState.VALIDATED); |
| break; |
| |
| case VALIDATED: |
| ConfigManager configManager = env.getConfigManager(); |
| |
| LOG.info( |
| "Start to add trigger [{}] in TriggerTable on Config Nodes, needToSaveJar[{}]", |
| triggerInformation.getTriggerName(), |
| jarFile != null); |
| |
| TSStatus response; |
| |
| response = |
| configManager |
| .getConsensusManager() |
| .write(new AddTriggerInTablePlan(triggerInformation, jarFile)); |
| |
| if (response.getCode() != TSStatusCode.SUCCESS_STATUS.getStatusCode()) { |
| throw new TriggerManagementException(response.getMessage()); |
| } |
| |
| setNextState(CreateTriggerState.CONFIG_NODE_INACTIVE); |
| break; |
| |
| case CONFIG_NODE_INACTIVE: |
| LOG.info( |
| "Start to create triggerInstance [{}] on Data Nodes", |
| triggerInformation.getTriggerName()); |
| |
| if (RpcUtils.squashResponseStatusList( |
| env.createTriggerOnDataNodes(triggerInformation, jarFile)) |
| .getCode() |
| == TSStatusCode.SUCCESS_STATUS.getStatusCode()) { |
| setNextState(CreateTriggerState.DATA_NODE_INACTIVE); |
| } else { |
| throw new TriggerManagementException( |
| String.format( |
| "Fail to create triggerInstance [%s] on Data Nodes", |
| triggerInformation.getTriggerName())); |
| } |
| break; |
| |
| case DATA_NODE_INACTIVE: |
| LOG.info( |
| "Start to active trigger [{}] on Data Nodes", triggerInformation.getTriggerName()); |
| |
| if (RpcUtils.squashResponseStatusList( |
| env.activeTriggerOnDataNodes(triggerInformation.getTriggerName())) |
| .getCode() |
| == TSStatusCode.SUCCESS_STATUS.getStatusCode()) { |
| setNextState(CreateTriggerState.DATA_NODE_ACTIVE); |
| } else { |
| throw new TriggerManagementException( |
| String.format( |
| "Fail to active triggerInstance [%s] on Data Nodes", |
| triggerInformation.getTriggerName())); |
| } |
| break; |
| |
| case DATA_NODE_ACTIVE: |
| LOG.info( |
| "Start to active trigger [{}] on Config Nodes", triggerInformation.getTriggerName()); |
| env.getConfigManager() |
| .getConsensusManager() |
| .write( |
| isGeneratedByPipe |
| ? new PipeEnrichedPlan( |
| new UpdateTriggerStateInTablePlan( |
| triggerInformation.getTriggerName(), TTriggerState.ACTIVE)) |
| : new UpdateTriggerStateInTablePlan( |
| triggerInformation.getTriggerName(), TTriggerState.ACTIVE)); |
| setNextState(CreateTriggerState.CONFIG_NODE_ACTIVE); |
| break; |
| |
| case CONFIG_NODE_ACTIVE: |
| env.getConfigManager().getTriggerManager().getTriggerInfo().releaseTriggerTableLock(); |
| return Flow.NO_MORE_STATE; |
| |
| default: |
| throw new IllegalArgumentException("Unknown CreateTriggerState: " + state); |
| } |
| } catch (Exception e) { |
| if (isRollbackSupported(state)) { |
| LOG.warn("Create trigger {} failed.", triggerInformation.getTriggerName(), e); |
| setFailure(new ProcedureException(e)); |
| } else { |
| LOG.error( |
| "Retrievable error trying to create trigger [{}], state [{}]", |
| triggerInformation.getTriggerName(), |
| state, |
| e); |
| if (getCycles() > RETRY_THRESHOLD) { |
| setFailure( |
| new ProcedureException( |
| String.format( |
| "Fail to create trigger [%s] at STATE [%s]", |
| triggerInformation.getTriggerName(), state))); |
| } |
| } |
| } |
| return Flow.HAS_MORE_STATE; |
| } |
| |
| @Override |
| protected void rollbackState(ConfigNodeProcedureEnv env, CreateTriggerState state) |
| throws IOException, InterruptedException, ProcedureException { |
| switch (state) { |
| case INIT: |
| LOG.info("Start [INIT] rollback of trigger [{}]", triggerInformation.getTriggerName()); |
| |
| env.getConfigManager().getTriggerManager().getTriggerInfo().releaseTriggerTableLock(); |
| break; |
| |
| case VALIDATED: |
| LOG.info("Start [VALIDATED] rollback of trigger [{}]", triggerInformation.getTriggerName()); |
| |
| try { |
| env.getConfigManager() |
| .getConsensusManager() |
| .write( |
| isGeneratedByPipe |
| ? new PipeEnrichedPlan( |
| new DeleteTriggerInTablePlan(triggerInformation.getTriggerName())) |
| : new DeleteTriggerInTablePlan(triggerInformation.getTriggerName())); |
| } catch (ConsensusException e) { |
| LOG.warn("Failed in the write API executing the consensus layer due to: ", e); |
| } |
| break; |
| |
| case CONFIG_NODE_INACTIVE: |
| LOG.info( |
| "Start to [CONFIG_NODE_INACTIVE] rollback of trigger [{}]", |
| triggerInformation.getTriggerName()); |
| |
| if (RpcUtils.squashResponseStatusList( |
| env.dropTriggerOnDataNodes(triggerInformation.getTriggerName(), false)) |
| .getCode() |
| != TSStatusCode.SUCCESS_STATUS.getStatusCode()) { |
| throw new TriggerManagementException( |
| String.format( |
| "Fail to [CONFIG_NODE_INACTIVE] rollback of trigger [%s]", |
| triggerInformation.getTriggerName())); |
| } |
| break; |
| |
| case DATA_NODE_INACTIVE: |
| LOG.info( |
| "Start to [DATA_NODE_INACTIVE] rollback of trigger [{}]", |
| triggerInformation.getTriggerName()); |
| |
| if (RpcUtils.squashResponseStatusList( |
| env.inactiveTriggerOnDataNodes(triggerInformation.getTriggerName())) |
| .getCode() |
| != TSStatusCode.SUCCESS_STATUS.getStatusCode()) { |
| throw new TriggerManagementException( |
| String.format( |
| "Fail to [DATA_NODE_INACTIVE] rollback of trigger [%s]", |
| triggerInformation.getTriggerName())); |
| } |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| @Override |
| protected boolean isRollbackSupported(CreateTriggerState state) { |
| return true; |
| } |
| |
| @Override |
| protected CreateTriggerState getState(int stateId) { |
| return CreateTriggerState.values()[stateId]; |
| } |
| |
| @Override |
| protected int getStateId(CreateTriggerState createTriggerState) { |
| return createTriggerState.ordinal(); |
| } |
| |
| @Override |
| protected CreateTriggerState getInitialState() { |
| return CreateTriggerState.INIT; |
| } |
| |
| public Binary getJarFile() { |
| return jarFile; |
| } |
| |
| @Override |
| public void serialize(DataOutputStream stream) throws IOException { |
| stream.writeShort( |
| isGeneratedByPipe |
| ? ProcedureType.PIPE_ENRICHED_CREATE_TRIGGER_PROCEDURE.getTypeCode() |
| : ProcedureType.CREATE_TRIGGER_PROCEDURE.getTypeCode()); |
| super.serialize(stream); |
| triggerInformation.serialize(stream); |
| if (jarFile == null) { |
| ReadWriteIOUtils.write(true, stream); |
| } else { |
| ReadWriteIOUtils.write(false, stream); |
| ReadWriteIOUtils.write(jarFile, stream); |
| } |
| } |
| |
| @Override |
| public void deserialize(ByteBuffer byteBuffer) { |
| super.deserialize(byteBuffer); |
| triggerInformation = TriggerInformation.deserialize(byteBuffer); |
| if (ReadWriteIOUtils.readBool(byteBuffer)) { |
| return; |
| } |
| jarFile = ReadWriteIOUtils.readBinary(byteBuffer); |
| } |
| |
| @Override |
| public boolean equals(Object that) { |
| if (that instanceof CreateTriggerProcedure) { |
| CreateTriggerProcedure thatProc = (CreateTriggerProcedure) that; |
| return thatProc.getProcId() == this.getProcId() |
| && thatProc.getCurrentState().equals(this.getCurrentState()) |
| && thatProc.getCycles() == this.getCycles() |
| && thatProc.isGeneratedByPipe == this.isGeneratedByPipe |
| && thatProc.triggerInformation.equals(this.triggerInformation); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash( |
| getProcId(), getCurrentState(), getCycles(), isGeneratedByPipe, triggerInformation); |
| } |
| } |