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Oozie scheduler support (linkedin#152)
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259 changes: 259 additions & 0 deletions
259
app/com/linkedin/drelephant/schedulers/OozieScheduler.java
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| /* | ||
| * Copyright 2016 LinkedIn Corp. | ||
| * | ||
| * Licensed 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 com.linkedin.drelephant.schedulers; | ||
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| import com.linkedin.drelephant.configurations.scheduler.SchedulerConfigurationData; | ||
| import com.linkedin.drelephant.util.Utils; | ||
| import org.apache.log4j.Logger; | ||
| import org.apache.oozie.client.*; | ||
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| import java.util.Properties; | ||
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| /** | ||
| * This class provides methods to load information specific to the Oozie scheduler. | ||
| */ | ||
| public class OozieScheduler implements Scheduler { | ||
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| private static final Logger logger = Logger.getLogger(OozieScheduler.class); | ||
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| private static final String OOZIE_ACTION_ID = "oozie.action.id"; | ||
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| private static final String OOZIE_API_URL = "oozie_api_url"; | ||
| private static final String OOZIE_AUTH_OPTION = "oozie_auth_option"; | ||
| private static final String OOZIE_JOB_DEF_URL_TEMPLATE = "oozie_job_url_template"; | ||
| private static final String OOZIE_JOB_EXEC_URL_TEMPLATE = "oozie_job_exec_url_template"; | ||
| private static final String OOZIE_WORKFLOW_DEF_URL_TEMPLATE = "oozie_workflow_url_template"; | ||
| private static final String OOZIE_WORKFLOW_EXEC_URL_TEMPLATE = "oozie_workflow_exec_url_template"; | ||
| private static final String OOZIE_APP_NAME_UNIQUENESS = "oozie_app_name_uniqueness"; | ||
| private boolean appNameUniqueness; | ||
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| private String schedulerName; | ||
| private String jobDefId; | ||
| private String jobExecId; | ||
| private String flowExecId; | ||
| private String flowDefId; | ||
| private String jobDefIdUrl; | ||
| private String jobExecIdUrl; | ||
| private String flowExecIdUrl; | ||
| private String flowDefIdUrl; | ||
| private int workflowDepth; | ||
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| private OozieClient oozieClient; | ||
| private String jobDefUrlTemplate; | ||
| private String jobExecUrlTemplate; | ||
| private String workflowDefUrlTemplate; | ||
| private String workflowExecUrlTemplate; | ||
| private String flowDefName; | ||
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| public OozieScheduler(String appId, Properties properties, SchedulerConfigurationData schedulerConfData) { | ||
| this(appId, properties, schedulerConfData, null); | ||
| } | ||
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| public OozieScheduler(String appId, Properties properties, SchedulerConfigurationData schedulerConfData, OozieClient oozieClient) { | ||
| schedulerName = schedulerConfData.getSchedulerName(); | ||
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| if (properties != null && properties.getProperty(OOZIE_ACTION_ID) != null) { | ||
| this.oozieClient = oozieClient == null ? makeOozieClient(schedulerConfData) : oozieClient; | ||
| jobDefUrlTemplate = schedulerConfData.getParamMap().get(OOZIE_JOB_DEF_URL_TEMPLATE); | ||
| jobExecUrlTemplate = schedulerConfData.getParamMap().get(OOZIE_JOB_EXEC_URL_TEMPLATE); | ||
| workflowDefUrlTemplate = schedulerConfData.getParamMap().get(OOZIE_WORKFLOW_DEF_URL_TEMPLATE); | ||
| workflowExecUrlTemplate = schedulerConfData.getParamMap().get(OOZIE_WORKFLOW_EXEC_URL_TEMPLATE); | ||
| String appNameUniquenessStr = schedulerConfData.getParamMap().get(OOZIE_APP_NAME_UNIQUENESS); | ||
| appNameUniqueness = appNameUniquenessStr != null && Boolean.parseBoolean(appNameUniquenessStr); | ||
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| loadInfo(properties); | ||
| } | ||
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| // Use default value of data type | ||
| } | ||
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| private void loadInfo(Properties properties) { | ||
| // 0004167-160629080632562-oozie-oozi-W@some-action | ||
| String actionId = properties.getProperty(OOZIE_ACTION_ID); | ||
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| if (actionId.contains("@")) { | ||
| String workflowId = extractId(actionId); | ||
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| WorkflowJob workflow; | ||
| try { | ||
| logger.info("Fetching Oozie workflow info for " + workflowId); | ||
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| workflow = oozieClient.getJobInfo(workflowId); | ||
| logger.info("Oozie workflow for " + workflowId + ": " + workflow); | ||
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| String superParentId = getSuperParentId(workflow); | ||
| logger.info("Oozie super parent for: " + workflowId + ": " + superParentId); | ||
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| jobExecId = workflow.getId(); | ||
| jobExecIdUrl = workflow.getConsoleUrl(); | ||
| jobDefIdUrl = workflow.getConsoleUrl(); | ||
| flowExecId = superParentId; | ||
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| if (isCoordinatorJob(superParentId)) { | ||
| coordinatedJobInfo(workflow, actionId, superParentId); | ||
| } else { | ||
| manualCommitedJob(workflow, actionId, superParentId); | ||
| } | ||
| } catch (OozieClientException e) { | ||
| throw new RuntimeException("Failed fetching Oozie workflow " + workflowId + " info", e); | ||
| } | ||
| } | ||
| } | ||
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| private void manualCommitedJob(WorkflowJob workflow, String actionId, String superParentId) throws OozieClientException { | ||
| logger.info("Oozie workflow " + actionId + " was manually submitted"); | ||
| WorkflowJob flowDefWorkflow = oozieClient.getJobInfo(extractId(superParentId)); | ||
| flowDefIdUrl = flowDefWorkflow.getConsoleUrl(); | ||
| flowExecIdUrl = flowDefWorkflow.getConsoleUrl(); | ||
| if (appNameUniqueness) { | ||
| jobDefId = workflow.getAppName() + "-" + extractAction(actionId); | ||
| flowDefId = superParentId; | ||
| flowDefName = flowDefWorkflow.getAppName(); | ||
| } else { | ||
| jobDefId = workflow.getId(); | ||
| flowDefId = superParentId; | ||
| } | ||
| } | ||
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| private void coordinatedJobInfo(WorkflowJob workflow, String actionId, String superParentId) throws OozieClientException { | ||
| logger.info("Oozie workflow " + actionId + " is scheduled with coordinator"); | ||
| CoordinatorJob flowDefCoordinator = oozieClient.getCoordJobInfo(extractId(superParentId)); | ||
| flowDefIdUrl = flowDefCoordinator.getConsoleUrl(); | ||
| flowExecIdUrl = flowDefCoordinator.getConsoleUrl(); | ||
| if (appNameUniqueness) { | ||
| jobDefId = workflow.getAppName() + "-" + extractAction(actionId); | ||
| flowDefId = extractId(superParentId); | ||
| flowDefName = flowDefCoordinator.getAppName(); | ||
| } else { | ||
| jobDefId = extractId(superParentId) + "-" + extractAction(actionId) + "-" + workflowDepth; | ||
| flowDefId = extractId(superParentId); | ||
| } | ||
| } | ||
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| private String extractId(String idAndAction) { | ||
| return idAndAction.split("@")[0]; | ||
| } | ||
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| private String extractAction(String idAndAction) { | ||
| return idAndAction.split("@")[1]; | ||
| } | ||
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| private String getSuperParentId(WorkflowJob workflow) throws OozieClientException { | ||
| String result = workflow.getParentId(); | ||
| WorkflowJob next = workflow; | ||
| workflowDepth = 0; | ||
| String parentId = next.getParentId(); | ||
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| while (parentId != null && !parentId.isEmpty() && !isCoordinatorJob(extractId(parentId))) { | ||
| next = oozieClient.getJobInfo(parentId); | ||
| parentId = next.getParentId(); | ||
| result = extractId(next.getId()); | ||
| workflowDepth++; | ||
| } | ||
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| return result; | ||
| } | ||
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| private boolean isCoordinatorJob(String parentId) { | ||
| return extractId(parentId).endsWith("C"); | ||
| } | ||
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| private OozieClient makeOozieClient(SchedulerConfigurationData schedulerConfData) { | ||
| String oozieApiUrl = schedulerConfData.getParamMap().get(OOZIE_API_URL); | ||
| String authOption = schedulerConfData.getParamMap().get(OOZIE_AUTH_OPTION); | ||
| if (oozieApiUrl == null) { | ||
| throw new RuntimeException("Missing " + OOZIE_API_URL + " param for Oozie Scheduler"); | ||
| } | ||
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| return new AuthOozieClient(oozieApiUrl, authOption); | ||
| } | ||
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| private String getUrl(String idUrl, String id, String urlTemplate, String propertyName) { | ||
| String url; | ||
| if (urlTemplate != null) { | ||
| url = Utils.formatStringOrNull(urlTemplate, id); | ||
| } else if (idUrl != null) { | ||
| url = idUrl; | ||
| } else { | ||
| logger.warn("Missing " + propertyName + " param for Oozie Scheduler"); | ||
| url = id; | ||
| } | ||
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| return url; | ||
| } | ||
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| @Override | ||
| public String getSchedulerName() { | ||
| return schedulerName; | ||
| } | ||
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| @Override | ||
| public boolean isEmpty() { | ||
| return schedulerName == null || jobDefId == null || jobExecId == null || flowDefId == null || flowExecId == null; | ||
| } | ||
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| @Override | ||
| public String getJobDefId() { | ||
| return Utils.formatStringOrNull("%s", jobDefId); | ||
| } | ||
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| @Override | ||
| public String getJobExecId() { | ||
| return Utils.formatStringOrNull("%s", jobExecId); | ||
| } | ||
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| @Override | ||
| public String getFlowDefId() { | ||
| return Utils.formatStringOrNull("%s", appNameUniqueness ? flowDefName : flowDefId); | ||
| } | ||
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| @Override | ||
| public String getFlowExecId() { | ||
| return Utils.formatStringOrNull("%s", flowExecId); | ||
| } | ||
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| @Override | ||
| public String getJobDefUrl() { | ||
| return getUrl(jobDefIdUrl, jobDefId, jobDefUrlTemplate, OOZIE_JOB_DEF_URL_TEMPLATE); | ||
| } | ||
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| @Override | ||
| public String getJobExecUrl() { | ||
| return getUrl(jobExecIdUrl, jobExecId, jobExecUrlTemplate, OOZIE_JOB_EXEC_URL_TEMPLATE); | ||
| } | ||
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| @Override | ||
| public String getFlowDefUrl() { | ||
| return getUrl(flowDefIdUrl, flowDefId, workflowDefUrlTemplate, OOZIE_WORKFLOW_DEF_URL_TEMPLATE); | ||
| } | ||
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| @Override | ||
| public String getFlowExecUrl() { | ||
| return getUrl(flowExecIdUrl, flowExecId, workflowExecUrlTemplate, OOZIE_WORKFLOW_EXEC_URL_TEMPLATE); | ||
| } | ||
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| @Override | ||
| public int getWorkflowDepth() { | ||
| return workflowDepth; | ||
| } | ||
|
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| @Override | ||
| public String getJobName() { | ||
| return jobDefId; | ||
| } | ||
| } |
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