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[INLONG-9948][Agent] Optimize the instance class to decrease the comp…
…lexity of usage (apache#9952) Co-authored-by: AloysZhang <[email protected]>
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...t/agent-plugins/src/main/java/org/apache/inlong/agent/plugin/instance/CommonInstance.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.inlong.agent.plugin.instance; | ||
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| import org.apache.inlong.agent.conf.InstanceProfile; | ||
| import org.apache.inlong.agent.core.instance.ActionType; | ||
| import org.apache.inlong.agent.core.instance.InstanceAction; | ||
| import org.apache.inlong.agent.core.instance.InstanceManager; | ||
| import org.apache.inlong.agent.core.task.OffsetManager; | ||
| import org.apache.inlong.agent.metrics.audit.AuditUtils; | ||
| import org.apache.inlong.agent.plugin.Instance; | ||
| import org.apache.inlong.agent.plugin.Message; | ||
| import org.apache.inlong.agent.plugin.file.Sink; | ||
| import org.apache.inlong.agent.plugin.file.Source; | ||
| import org.apache.inlong.agent.state.State; | ||
| import org.apache.inlong.agent.utils.AgentUtils; | ||
| import org.apache.inlong.agent.utils.ThreadUtils; | ||
| import org.apache.inlong.common.enums.InstanceStateEnum; | ||
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|
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| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import java.io.IOException; | ||
| import java.util.concurrent.TimeUnit; | ||
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| /** | ||
| * common instance contains source and sink. | ||
| * main job is to read from source and write to sink | ||
| */ | ||
| public abstract class CommonInstance extends Instance { | ||
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| private static final Logger LOGGER = LoggerFactory.getLogger(CommonInstance.class); | ||
| public static final int HEARTBEAT_CHECK_GAP = 10; | ||
| private Source source; | ||
| private Sink sink; | ||
| private InstanceProfile profile; | ||
| public static final int CORE_THREAD_SLEEP_TIME = 10; | ||
| private static final int DESTROY_LOOP_WAIT_TIME_MS = 10; | ||
| private static final int CHECK_FINISH_AT_LEAST_COUNT = 5; | ||
| private final int WRITE_FAILED_WAIT_TIME_MS = 10; | ||
| private InstanceManager instanceManager; | ||
| private volatile boolean running = false; | ||
| private volatile boolean inited = false; | ||
| private volatile int checkFinishCount = 0; | ||
| private int heartbeatcheckCount = 0; | ||
| private long heartBeatStartTime = AgentUtils.getCurrentTime(); | ||
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| @Override | ||
| public boolean init(Object srcManager, InstanceProfile srcProfile) { | ||
| try { | ||
| instanceManager = (InstanceManager) srcManager; | ||
| profile = srcProfile; | ||
| setInodeInfo(profile); | ||
| LOGGER.info("task id: {} submit new instance {} profile detail {}.", profile.getTaskId(), | ||
| profile.getInstanceId(), profile.toJsonStr()); | ||
| source = (Source) Class.forName(profile.getSourceClass()).newInstance(); | ||
| source.init(profile); | ||
| sink = (Sink) Class.forName(profile.getSinkClass()).newInstance(); | ||
| sink.init(profile); | ||
| inited = true; | ||
| return true; | ||
| } catch (Throwable e) { | ||
| handleSourceDeleted(); | ||
| doChangeState(State.FATAL); | ||
| LOGGER.error("init instance {} for task {} failed", profile.getInstanceId(), profile.getInstanceId(), e); | ||
| ThreadUtils.threadThrowableHandler(Thread.currentThread(), e); | ||
| return false; | ||
| } | ||
| } | ||
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| /** | ||
| * @throws IOException | ||
| */ | ||
| public abstract void setInodeInfo(InstanceProfile profile) throws IOException; | ||
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| @Override | ||
| public void destroy() { | ||
| if (!inited) { | ||
| return; | ||
| } | ||
| doChangeState(State.SUCCEEDED); | ||
| while (running) { | ||
| AgentUtils.silenceSleepInMs(DESTROY_LOOP_WAIT_TIME_MS); | ||
| } | ||
| this.source.destroy(); | ||
| this.sink.destroy(); | ||
| } | ||
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| @Override | ||
| public void run() { | ||
| Thread.currentThread().setName("file-instance-core-" + getTaskId() + "-" + getInstanceId()); | ||
| running = true; | ||
| try { | ||
| doRun(); | ||
| } catch (Throwable e) { | ||
| LOGGER.error("do run error: ", e); | ||
| } | ||
| running = false; | ||
| } | ||
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| private void doRun() { | ||
| while (!isFinished()) { | ||
| if (!source.sourceExist()) { | ||
| handleSourceDeleted(); | ||
| break; | ||
| } | ||
| Message msg = source.read(); | ||
| if (msg == null) { | ||
| if (source.sourceFinish() && sink.sinkFinish()) { | ||
| checkFinishCount++; | ||
| if (checkFinishCount > CHECK_FINISH_AT_LEAST_COUNT) { | ||
| handleReadEnd(); | ||
| break; | ||
| } | ||
| } else { | ||
| checkFinishCount = 0; | ||
| } | ||
| heartbeatStatic(); | ||
| AgentUtils.silenceSleepInMs(CORE_THREAD_SLEEP_TIME); | ||
| } else { | ||
| boolean suc = false; | ||
| while (!isFinished() && !suc) { | ||
| suc = sink.write(msg); | ||
| if (!suc) { | ||
| heartbeatStatic(); | ||
| AgentUtils.silenceSleepInMs(WRITE_FAILED_WAIT_TIME_MS); | ||
| } | ||
| } | ||
| heartbeatcheckCount++; | ||
| if (heartbeatcheckCount > HEARTBEAT_CHECK_GAP) { | ||
| heartbeatStatic(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private void heartbeatStatic() { | ||
| if (AgentUtils.getCurrentTime() - heartBeatStartTime > TimeUnit.SECONDS.toMillis(1)) { | ||
| AuditUtils.add(AuditUtils.AUDIT_ID_AGENT_INSTANCE_HEARTBEAT, profile.getInlongGroupId(), | ||
| profile.getInlongStreamId(), AgentUtils.getCurrentTime(), 1, 1); | ||
| heartbeatcheckCount = 0; | ||
| heartBeatStartTime = AgentUtils.getCurrentTime(); | ||
| } | ||
| } | ||
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| private void handleReadEnd() { | ||
| while (!isFinished() && !instanceManager.submitAction(new InstanceAction(ActionType.FINISH, profile))) { | ||
| LOGGER.error("instance manager action queue is full: taskId {}", | ||
| instanceManager.getTaskId()); | ||
| AgentUtils.silenceSleepInMs(CORE_THREAD_SLEEP_TIME); | ||
| } | ||
| } | ||
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| private void handleSourceDeleted() { | ||
| OffsetManager.getInstance().deleteOffset(getTaskId(), getInstanceId()); | ||
| profile.setState(InstanceStateEnum.DELETE); | ||
| profile.setModifyTime(AgentUtils.getCurrentTime()); | ||
| InstanceAction action = new InstanceAction(ActionType.DELETE, profile); | ||
| while (!isFinished() && !instanceManager.submitAction(action)) { | ||
| LOGGER.error("instance manager action queue is full: taskId {}", | ||
| instanceManager.getTaskId()); | ||
| AgentUtils.silenceSleepInMs(CORE_THREAD_SLEEP_TIME); | ||
| } | ||
| } | ||
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| @Override | ||
| public void addCallbacks() { | ||
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| } | ||
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| @Override | ||
| public String getTaskId() { | ||
| return profile.getTaskId(); | ||
| } | ||
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| @Override | ||
| public String getInstanceId() { | ||
| return profile.getInstanceId(); | ||
| } | ||
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| public Sink getSink() { | ||
| return sink; | ||
| } | ||
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| public InstanceProfile getProfile() { | ||
| return profile; | ||
| } | ||
| } |
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