use of org.apache.helix.task.beans.WorkflowBean in project helix by apache.
the class TestJobQueuesResource method test.
@Test
public void test() throws Exception {
String className = TestHelper.getTestClassName();
String methodName = TestHelper.getTestMethodName();
String clusterName = className + "_" + methodName;
final int n = 5;
final int p = 20;
final int r = 3;
System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
_gSetupTool.addCluster(clusterName, true);
for (int i = 0; i < n; i++) {
String instanceName = "localhost_" + (12918 + i);
_gSetupTool.addInstanceToCluster(clusterName, instanceName);
}
// Set up target db
_gSetupTool.addResourceToCluster(clusterName, WorkflowGenerator.DEFAULT_TGT_DB, p, "MasterSlave");
_gSetupTool.rebalanceStorageCluster(clusterName, WorkflowGenerator.DEFAULT_TGT_DB, r);
Map<String, TaskFactory> taskFactoryReg = new HashMap<String, TaskFactory>();
taskFactoryReg.put("DummyTask", new TaskFactory() {
@Override
public Task createNewTask(TaskCallbackContext context) {
return new MockTask(context);
}
});
// Start dummy participants
MockParticipantManager[] participants = new MockParticipantManager[n];
for (int i = 0; i < n; i++) {
String instanceName = "localhost_" + (12918 + i);
participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
// Register a Task state model factory.
StateMachineEngine stateMachine = participants[i].getStateMachineEngine();
stateMachine.registerStateModelFactory("Task", new TaskStateModelFactory(participants[i], taskFactoryReg));
participants[i].syncStart();
}
// start controller
String controllerName = "controller";
ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, controllerName);
controller.syncStart();
boolean result = ClusterStateVerifier.verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
Assert.assertTrue(result);
// Start a queue
String queueName = "myQueue1";
LOG.info("Starting job-queue: " + queueName);
String jobQueueYamlConfig = "name: " + queueName;
String resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues";
ZNRecord postRet = AdminTestHelper.post(_gClient, resourceUrl, jobQueueYamlConfig);
LOG.info("Started job-queue: " + queueName + ", ret: " + postRet);
LOG.info("Getting all job-queues");
ZNRecord getRet = AdminTestHelper.get(_gClient, resourceUrl);
LOG.info("Got job-queues: " + getRet);
// Enqueue job
resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName;
WorkflowBean wfBean = new WorkflowBean();
wfBean.name = queueName;
JobBean jBean1 = new JobBean();
jBean1.name = "myJob1";
jBean1.command = "DummyTask";
jBean1.targetResource = WorkflowGenerator.DEFAULT_TGT_DB;
jBean1.targetPartitionStates = Lists.newArrayList("MASTER");
JobBean jBean2 = new JobBean();
jBean2.name = "myJob2";
jBean2.command = "DummyTask";
jBean2.targetResource = WorkflowGenerator.DEFAULT_TGT_DB;
jBean2.targetPartitionStates = Lists.newArrayList("SLAVE");
wfBean.jobs = Lists.newArrayList(jBean1, jBean2);
String jobYamlConfig = new Yaml().dump(wfBean);
LOG.info("Enqueuing jobs: " + jobQueueYamlConfig);
Map<String, String> paraMap = new HashMap<String, String>();
paraMap.put(JsonParameters.MANAGEMENT_COMMAND, TaskDriver.DriverCommand.start.toString());
String postBody = String.format("%s=%s&%s=%s", JsonParameters.JSON_PARAMETERS, ClusterRepresentationUtil.ObjectToJson(paraMap), ResourceUtil.YamlParamKey.NEW_JOB.toString(), jobYamlConfig);
postRet = AdminTestHelper.post(_gClient, resourceUrl, postBody);
LOG.info("Enqueued job, ret: " + postRet);
// Get job
resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName + "/" + jBean1.name;
getRet = AdminTestHelper.get(_gClient, resourceUrl);
LOG.info("Got job: " + getRet);
// Stop job queue
resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName;
paraMap.put(JsonParameters.MANAGEMENT_COMMAND, TaskDriver.DriverCommand.stop.toString());
postBody = String.format("%s=%s", JsonParameters.JSON_PARAMETERS, ClusterRepresentationUtil.ObjectToJson(paraMap));
postRet = AdminTestHelper.post(_gClient, resourceUrl, postBody);
LOG.info("Stopped job-queue, ret: " + postRet);
// Delete a job
resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName + "/" + jBean2.name;
AdminTestHelper.delete(_gClient, resourceUrl);
LOG.info("Delete a job: ");
// Resume job queue
resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName;
paraMap.put(JsonParameters.MANAGEMENT_COMMAND, TaskDriver.DriverCommand.resume.toString());
postBody = String.format("%s=%s", JsonParameters.JSON_PARAMETERS, ClusterRepresentationUtil.ObjectToJson(paraMap));
postRet = AdminTestHelper.post(_gClient, resourceUrl, postBody);
LOG.info("Resumed job-queue, ret: " + postRet);
// Flush job queue
paraMap.put(JsonParameters.MANAGEMENT_COMMAND, "flush");
postBody = JsonParameters.JSON_PARAMETERS + "=" + ClusterRepresentationUtil.ObjectToJson(paraMap);
postRet = AdminTestHelper.post(_gClient, resourceUrl, postBody);
LOG.info("Flushed job-queue, ret: " + postRet);
// clean up
controller.syncStop();
for (int i = 0; i < n; i++) {
if (participants[i] != null && participants[i].isConnected()) {
participants[i].syncStop();
}
}
System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}
use of org.apache.helix.task.beans.WorkflowBean in project helix by apache.
the class Workflow method parse.
/**
* Helper function to parse workflow from a generic {@link Reader}
*/
private static Workflow parse(Reader reader) throws Exception {
Yaml yaml = new Yaml(new Constructor(WorkflowBean.class));
WorkflowBean wf = (WorkflowBean) yaml.load(reader);
Builder workflowBuilder = new Builder(wf.name);
if (wf != null && wf.jobs != null) {
for (JobBean job : wf.jobs) {
if (job.name == null) {
throw new IllegalArgumentException("A job must have a name.");
}
JobConfig.Builder jobConfigBuilder = JobConfig.Builder.from(job);
jobConfigBuilder.setWorkflow(wf.name);
workflowBuilder.addJob(job.name, jobConfigBuilder);
if (job.parents != null) {
for (String parent : job.parents) {
workflowBuilder.addParentChildDependency(parent, job.name);
}
}
}
}
workflowBuilder.setWorkflowConfig(WorkflowConfig.Builder.from(wf).build());
return workflowBuilder.build();
}
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