package azkaban.test.execapp;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import azkaban.execapp.FlowRunner;
import azkaban.execapp.event.Event;
import azkaban.execapp.event.Event.Type;
import azkaban.executor.ExecutableFlow;
import azkaban.executor.ExecutableNode;
import azkaban.executor.ExecutionOptions.FailureAction;
import azkaban.executor.ExecutorLoader;
import azkaban.executor.Status;
import azkaban.flow.Flow;
import azkaban.jobtype.JobTypeManager;
import azkaban.project.Project;
import azkaban.project.ProjectLoader;
import azkaban.test.executor.InteractiveTestJob;
import azkaban.test.executor.JavaJob;
import azkaban.utils.JSONUtils;
public class FlowRunnerTest {
private File workingDir;
private JobTypeManager jobtypeManager;
private ProjectLoader fakeProjectLoader;
public FlowRunnerTest() {
}
@Before
public void setUp() throws Exception {
System.out.println("Create temp dir");
synchronized ( this) {
workingDir = new File("_AzkabanTestDir_" + System.currentTimeMillis());
if (workingDir.exists()) {
FileUtils.deleteDirectory(workingDir);
}
workingDir.mkdirs();
}
jobtypeManager = new JobTypeManager(null, this.getClass().getClassLoader());
jobtypeManager.registerJobType("java", JavaJob.class);
jobtypeManager.registerJobType("test", InteractiveTestJob.class);
fakeProjectLoader = new MockProjectLoader(workingDir);
InteractiveTestJob.clearTestJobs();
}
@After
public void tearDown() throws IOException {
System.out.println("Teardown temp dir");
synchronized ( this) {
if (workingDir != null) {
FileUtils.deleteDirectory(workingDir);
workingDir = null;
}
}
}
@Test
public void exec1Normal() throws Exception {
MockExecutorLoader loader = new MockExecutorLoader();
//just making compile. may not work at all.
EventCollectorListener eventCollector = new EventCollectorListener();
eventCollector.setEventFilterOut(Event.Type.JOB_FINISHED, Event.Type.JOB_STARTED, Event.Type.JOB_STATUS_CHANGED);
FlowRunner runner = createFlowRunner(loader, eventCollector, "exec1");
Assert.assertTrue(!runner.isKilled());
runner.run();
ExecutableFlow exFlow = runner.getExecutableFlow();
Assert.assertTrue(exFlow.getStatus() == Status.SUCCEEDED);
compareFinishedRuntime(runner);
testStatus(exFlow, "job1", Status.SUCCEEDED);
testStatus(exFlow, "job2", Status.SUCCEEDED);
testStatus(exFlow, "job3", Status.SUCCEEDED);
testStatus(exFlow, "job4", Status.SUCCEEDED);
testStatus(exFlow, "job5", Status.SUCCEEDED);
testStatus(exFlow, "job6", Status.SUCCEEDED);
testStatus(exFlow, "job7", Status.SUCCEEDED);
testStatus(exFlow, "job8", Status.SUCCEEDED);
testStatus(exFlow, "job10", Status.SUCCEEDED);
try {
eventCollector.checkEventExists(new Type[] {Type.FLOW_STARTED, Type.FLOW_FINISHED});
}
catch (Exception e) {
System.out.println(e.getMessage());
Assert.fail(e.getMessage());
}
}
@Test
public void exec1Disabled() throws Exception {
MockExecutorLoader loader = new MockExecutorLoader();
EventCollectorListener eventCollector = new EventCollectorListener();
eventCollector.setEventFilterOut(Event.Type.JOB_FINISHED, Event.Type.JOB_STARTED, Event.Type.JOB_STATUS_CHANGED);
File testDir = new File("unit/executions/exectest1");
ExecutableFlow exFlow = prepareExecDir(testDir, "exec1", 1);
// Disable couple in the middle and at the end.
exFlow.getExecutableNode("job1").setStatus(Status.DISABLED);
exFlow.getExecutableNode("job6").setStatus(Status.DISABLED);
exFlow.getExecutableNode("job5").setStatus(Status.DISABLED);
exFlow.getExecutableNode("job10").setStatus(Status.DISABLED);
FlowRunner runner = createFlowRunner(exFlow, loader, eventCollector);
Assert.assertTrue(!runner.isKilled());
Assert.assertTrue(exFlow.getStatus() == Status.READY);
runner.run();
exFlow = runner.getExecutableFlow();
compareFinishedRuntime(runner);
Assert.assertTrue(exFlow.getStatus() == Status.SUCCEEDED);
testStatus(exFlow, "job1", Status.SKIPPED);
testStatus(exFlow, "job2", Status.SUCCEEDED);
testStatus(exFlow, "job3", Status.SUCCEEDED);
testStatus(exFlow, "job4", Status.SUCCEEDED);
testStatus(exFlow, "job5", Status.SKIPPED);
testStatus(exFlow, "job6", Status.SKIPPED);
testStatus(exFlow, "job7", Status.SUCCEEDED);
testStatus(exFlow, "job8", Status.SUCCEEDED);
testStatus(exFlow, "job10", Status.SKIPPED);
try {
eventCollector.checkEventExists(new Type[] {Type.FLOW_STARTED, Type.FLOW_FINISHED});
}
catch (Exception e) {
System.out.println(e.getMessage());
Assert.fail(e.getMessage());
}
}
@Test
public void exec1Failed() throws Exception {
MockExecutorLoader loader = new MockExecutorLoader();
EventCollectorListener eventCollector = new EventCollectorListener();
eventCollector.setEventFilterOut(Event.Type.JOB_FINISHED, Event.Type.JOB_STARTED, Event.Type.JOB_STATUS_CHANGED);
File testDir = new File("unit/executions/exectest1");
ExecutableFlow flow = prepareExecDir(testDir, "exec2", 1);
FlowRunner runner = createFlowRunner(flow, loader, eventCollector);
runner.run();
ExecutableFlow exFlow = runner.getExecutableFlow();
Assert.assertTrue(!runner.isKilled());
Assert.assertTrue("Flow status " + exFlow.getStatus(), exFlow.getStatus() == Status.FAILED);
testStatus(exFlow, "job1", Status.SUCCEEDED);
testStatus(exFlow, "job2d", Status.FAILED);
testStatus(exFlow, "job3", Status.CANCELLED);
testStatus(exFlow, "job4", Status.CANCELLED);
testStatus(exFlow, "job5", Status.CANCELLED);
testStatus(exFlow, "job6", Status.SUCCEEDED);
testStatus(exFlow, "job7", Status.CANCELLED);
testStatus(exFlow, "job8", Status.CANCELLED);
testStatus(exFlow, "job9", Status.CANCELLED);
testStatus(exFlow, "job10", Status.CANCELLED);
try {
eventCollector.checkEventExists(new Type[] {Type.FLOW_STARTED, Type.FLOW_FINISHED});
}
catch (Exception e) {
System.out.println(e.getMessage());
Assert.fail(e.getMessage());
}
}
@Test
public void exec1FailedKillAll() throws Exception {
MockExecutorLoader loader = new MockExecutorLoader();
EventCollectorListener eventCollector = new EventCollectorListener();
eventCollector.setEventFilterOut(Event.Type.JOB_FINISHED, Event.Type.JOB_STARTED, Event.Type.JOB_STATUS_CHANGED);
File testDir = new File("unit/executions/exectest1");
ExecutableFlow flow = prepareExecDir(testDir, "exec2", 1);
flow.getExecutionOptions().setFailureAction(FailureAction.CANCEL_ALL);
FlowRunner runner = createFlowRunner(flow, loader, eventCollector);
runner.run();
ExecutableFlow exFlow = runner.getExecutableFlow();
Assert.assertTrue(runner.isKilled());
Assert.assertTrue("Expected flow " + Status.FAILED + " instead " + exFlow.getStatus(), exFlow.getStatus() == Status.FAILED);
synchronized(this) {
try {
wait(500);
} catch(InterruptedException e) {
}
}
testStatus(exFlow, "job1", Status.SUCCEEDED);
testStatus(exFlow, "job2d", Status.FAILED);
testStatus(exFlow, "job3", Status.CANCELLED);
testStatus(exFlow, "job4", Status.CANCELLED);
testStatus(exFlow, "job5", Status.CANCELLED);
testStatus(exFlow, "job6", Status.KILLED);
testStatus(exFlow, "job7", Status.CANCELLED);
testStatus(exFlow, "job8", Status.CANCELLED);
testStatus(exFlow, "job9", Status.CANCELLED);
testStatus(exFlow, "job10", Status.CANCELLED);
try {
eventCollector.checkEventExists(new Type[] {Type.FLOW_STARTED, Type.FLOW_FINISHED});
}
catch (Exception e) {
System.out.println(e.getMessage());
eventCollector.writeAllEvents();
Assert.fail(e.getMessage());
}
}
@Test
public void exec1FailedFinishRest() throws Exception {
MockExecutorLoader loader = new MockExecutorLoader();
EventCollectorListener eventCollector = new EventCollectorListener();
eventCollector.setEventFilterOut(Event.Type.JOB_FINISHED, Event.Type.JOB_STARTED, Event.Type.JOB_STATUS_CHANGED);
File testDir = new File("unit/executions/exectest1");
ExecutableFlow flow = prepareExecDir(testDir, "exec3", 1);
flow.getExecutionOptions().setFailureAction(FailureAction.FINISH_ALL_POSSIBLE);
FlowRunner runner = createFlowRunner(flow, loader, eventCollector);
runner.run();
ExecutableFlow exFlow = runner.getExecutableFlow();
Assert.assertTrue("Expected flow " + Status.FAILED + " instead " + exFlow.getStatus(), exFlow.getStatus() == Status.FAILED);
synchronized(this) {
try {
wait(500);
} catch(InterruptedException e) {
}
}
testStatus(exFlow, "job1", Status.SUCCEEDED);
testStatus(exFlow, "job2d", Status.FAILED);
testStatus(exFlow, "job3", Status.SUCCEEDED);
testStatus(exFlow, "job4", Status.CANCELLED);
testStatus(exFlow, "job5", Status.CANCELLED);
testStatus(exFlow, "job6", Status.CANCELLED);
testStatus(exFlow, "job7", Status.SUCCEEDED);
testStatus(exFlow, "job8", Status.SUCCEEDED);
testStatus(exFlow, "job9", Status.SUCCEEDED);
testStatus(exFlow, "job10", Status.CANCELLED);
try {
eventCollector.checkEventExists(new Type[] {Type.FLOW_STARTED, Type.FLOW_FINISHED});
}
catch (Exception e) {
System.out.println(e.getMessage());
eventCollector.writeAllEvents();
Assert.fail(e.getMessage());
}
}
@Test
public void execAndCancel() throws Exception {
MockExecutorLoader loader = new MockExecutorLoader();
EventCollectorListener eventCollector = new EventCollectorListener();
eventCollector.setEventFilterOut(Event.Type.JOB_FINISHED, Event.Type.JOB_STARTED, Event.Type.JOB_STATUS_CHANGED);
FlowRunner runner = createFlowRunner(loader, eventCollector, "exec1");
Assert.assertTrue(!runner.isKilled());
Thread thread = new Thread(runner);
thread.start();
synchronized(this) {
try {
wait(5000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
runner.kill("me");
Assert.assertTrue(runner.isKilled());
}
synchronized(this) {
// Wait for cleanup.
try {
wait(2000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
ExecutableFlow exFlow = runner.getExecutableFlow();
testStatus(exFlow, "job1", Status.SUCCEEDED);
testStatus(exFlow, "job2", Status.SUCCEEDED);
testStatus(exFlow, "job5", Status.CANCELLED);
testStatus(exFlow, "job7", Status.CANCELLED);
testStatus(exFlow, "job8", Status.CANCELLED);
testStatus(exFlow, "job10", Status.CANCELLED);
testStatus(exFlow, "job3", Status.KILLED);
testStatus(exFlow, "job4", Status.KILLED);
testStatus(exFlow, "job6", Status.KILLED);
Assert.assertTrue("Expected FAILED status instead got " + exFlow.getStatus(),exFlow.getStatus() == Status.KILLED);
try {
eventCollector.checkEventExists(new Type[] {Type.FLOW_STARTED, Type.FLOW_FINISHED});
}
catch (Exception e) {
System.out.println(e.getMessage());
eventCollector.writeAllEvents();
Assert.fail(e.getMessage());
}
}
@Test
public void execRetries() throws Exception {
MockExecutorLoader loader = new MockExecutorLoader();
EventCollectorListener eventCollector = new EventCollectorListener();
eventCollector.setEventFilterOut(Event.Type.JOB_FINISHED, Event.Type.JOB_STARTED, Event.Type.JOB_STATUS_CHANGED);
FlowRunner runner = createFlowRunner(loader, eventCollector, "exec4-retry");
runner.run();
ExecutableFlow exFlow = runner.getExecutableFlow();
testStatus(exFlow, "job-retry", Status.SUCCEEDED);
testStatus(exFlow, "job-pass", Status.SUCCEEDED);
testStatus(exFlow, "job-retry-fail", Status.FAILED);
testAttempts(exFlow,"job-retry", 3);
testAttempts(exFlow, "job-pass", 0);
testAttempts(exFlow, "job-retry-fail", 2);
Assert.assertTrue("Expected FAILED status instead got " + exFlow.getStatus(),exFlow.getStatus() == Status.FAILED);
}
private void testStatus(ExecutableFlow flow, String name, Status status) {
ExecutableNode node = flow.getExecutableNode(name);
if (node.getStatus() != status) {
Assert.fail("Status of job " + node.getId() + " is " + node.getStatus() + " not " + status + " as expected.");
}
}
private void testAttempts(ExecutableFlow flow, String name, int attempt) {
ExecutableNode node = flow.getExecutableNode(name);
if (node.getAttempt() != attempt) {
Assert.fail("Expected " + attempt + " got " + node.getAttempt() + " attempts " + name );
}
}
private ExecutableFlow prepareExecDir(File execDir, String flowName, int execId) throws IOException {
synchronized ( this) {
FileUtils.copyDirectory(execDir, workingDir);
}
File jsonFlowFile = new File(workingDir, flowName + ".flow");
@SuppressWarnings("unchecked")
HashMap<String, Object> flowObj = (HashMap<String, Object>) JSONUtils.parseJSONFromFile(jsonFlowFile);
Project project = new Project(1, "myproject");
project.setVersion(2);
Flow flow = Flow.flowFromObject(flowObj);
ExecutableFlow execFlow = new ExecutableFlow(project, flow);
execFlow.setExecutionId(execId);
execFlow.setExecutionPath(workingDir.getPath());
return execFlow;
}
private void compareFinishedRuntime(FlowRunner runner) throws Exception {
ExecutableFlow flow = runner.getExecutableFlow();
for (String flowName: flow.getStartNodes()) {
ExecutableNode node = flow.getExecutableNode(flowName);
compareStartFinishTimes(flow, node, 0);
}
}
private void compareStartFinishTimes(ExecutableFlow flow, ExecutableNode node, long previousEndTime) throws Exception {
long startTime = node.getStartTime();
long endTime = node.getEndTime();
// If start time is < 0, so will the endtime.
if (startTime <= 0) {
Assert.assertTrue(endTime <=0);
return;
}
//System.out.println("Node " + node.getJobId() + " start:" + startTime + " end:" + endTime + " previous:" + previousEndTime);
Assert.assertTrue("Checking start and end times", startTime > 0 && endTime >= startTime);
Assert.assertTrue("Start time for " + node.getId() + " is " + startTime +" and less than " + previousEndTime, startTime >= previousEndTime);
for (String outNode : node.getOutNodes()) {
ExecutableNode childNode = flow.getExecutableNode(outNode);
compareStartFinishTimes(flow, childNode, endTime);
}
}
private FlowRunner createFlowRunner(ExecutableFlow flow, ExecutorLoader loader, EventCollectorListener eventCollector) throws Exception {
//File testDir = new File("unit/executions/exectest1");
//MockProjectLoader projectLoader = new MockProjectLoader(new File(flow.getExecutionPath()));
loader.uploadExecutableFlow(flow);
FlowRunner runner = new FlowRunner(flow, loader, fakeProjectLoader, jobtypeManager);
runner.addListener(eventCollector);
return runner;
}
private FlowRunner createFlowRunner(ExecutorLoader loader, EventCollectorListener eventCollector, String flowName) throws Exception {
File testDir = new File("unit/executions/exectest1");
ExecutableFlow exFlow = prepareExecDir(testDir, flowName, 1);
//MockProjectLoader projectLoader = new MockProjectLoader(new File(exFlow.getExecutionPath()));
loader.uploadExecutableFlow(exFlow);
FlowRunner runner = new FlowRunner(exFlow, loader, fakeProjectLoader, jobtypeManager);
runner.addListener(eventCollector);
return runner;
}
}