protected WorkflowActionBean createWorkflowActionSetPending(
String wfId, WorkflowAction.Status status) throws Exception {
WorkflowActionBean action = new WorkflowActionBean();
String actionname = "testAction";
action.setName(actionname);
action.setCred("null");
action.setId(Services.get().get(UUIDService.class).generateChildId(wfId, actionname));
action.setJobId(wfId);
action.setType("map-reduce");
action.setTransition("transition");
action.setStatus(status);
action.setStartTime(new Date());
action.setEndTime(new Date());
action.setLastCheckTime(new Date());
action.setPending();
action.setExecutionPath("/");
Path inputDir = new Path(getFsTestCaseDir(), "input");
Path outputDir = new Path(getFsTestCaseDir(), "output");
FileSystem fs = getFileSystem();
Writer w = new OutputStreamWriter(fs.create(new Path(inputDir, "data.txt")));
w.write("dummy\n");
w.write("dummy\n");
w.close();
String actionXml =
"<map-reduce>"
+ "<job-tracker>"
+ getJobTrackerUri()
+ "</job-tracker>"
+ "<name-node>"
+ getNameNodeUri()
+ "</name-node>"
+ "<prepare><delete path=\""
+ outputDir.toString()
+ "\"/></prepare>"
+ "<configuration>"
+ "<property><name>mapred.mapper.class</name><value>"
+ MapperReducerForTest.class.getName()
+ "</value></property>"
+ "<property><name>mapred.reducer.class</name><value>"
+ MapperReducerForTest.class.getName()
+ "</value></property>"
+ "<property><name>mapred.input.dir</name><value>"
+ inputDir.toString()
+ "</value></property>"
+ "<property><name>mapred.output.dir</name><value>"
+ outputDir.toString()
+ "</value></property>"
+ "</configuration>"
+ "</map-reduce>";
action.setConf(actionXml);
return action;
}
@Override
protected Void execute() throws CommandException {
LOG.debug("STARTED SignalCommand for jobid=" + jobId + ", actionId=" + actionId);
WorkflowInstance workflowInstance = wfJob.getWorkflowInstance();
workflowInstance.setTransientVar(WorkflowStoreService.WORKFLOW_BEAN, wfJob);
boolean completed = false;
boolean skipAction = false;
if (wfAction == null) {
if (wfJob.getStatus() == WorkflowJob.Status.PREP) {
try {
completed = workflowInstance.start();
} catch (WorkflowException e) {
throw new CommandException(e);
}
wfJob.setStatus(WorkflowJob.Status.RUNNING);
wfJob.setStartTime(new Date());
wfJob.setWorkflowInstance(workflowInstance);
// 1. Add SLA status event for WF-JOB with status STARTED
// 2. Add SLA registration events for all WF_ACTIONS
SLADbXOperations.writeStausEvent(
wfJob.getSlaXml(), jobId, Status.STARTED, SlaAppType.WORKFLOW_JOB);
writeSLARegistrationForAllActions(
workflowInstance.getApp().getDefinition(),
wfJob.getUser(),
wfJob.getGroup(),
wfJob.getConf());
queue(new NotificationXCommand(wfJob));
} else {
throw new CommandException(ErrorCode.E0801, wfJob.getId());
}
} else {
String skipVar =
workflowInstance.getVar(
wfAction.getName() + WorkflowInstance.NODE_VAR_SEPARATOR + ReRunCommand.TO_SKIP);
if (skipVar != null) {
skipAction = skipVar.equals("true");
}
try {
completed = workflowInstance.signal(wfAction.getExecutionPath(), wfAction.getSignalValue());
} catch (WorkflowException e) {
throw new CommandException(e);
}
wfJob.setWorkflowInstance(workflowInstance);
wfAction.resetPending();
if (!skipAction) {
wfAction.setTransition(workflowInstance.getTransition(wfAction.getName()));
}
try {
jpaService.execute(new WorkflowActionUpdateJPAExecutor(wfAction));
} catch (JPAExecutorException je) {
throw new CommandException(je);
}
}
if (completed) {
try {
for (String actionToKillId : WorkflowStoreService.getActionsToKill(workflowInstance)) {
WorkflowActionBean actionToKill;
actionToKill = jpaService.execute(new WorkflowActionGetJPAExecutor(actionToKillId));
actionToKill.setPending();
actionToKill.setStatus(WorkflowActionBean.Status.KILLED);
jpaService.execute(new WorkflowActionUpdateJPAExecutor(actionToKill));
queue(new ActionKillXCommand(actionToKill.getId(), actionToKill.getType()));
}
for (String actionToFailId : WorkflowStoreService.getActionsToFail(workflowInstance)) {
WorkflowActionBean actionToFail =
jpaService.execute(new WorkflowActionGetJPAExecutor(actionToFailId));
actionToFail.resetPending();
actionToFail.setStatus(WorkflowActionBean.Status.FAILED);
SLADbXOperations.writeStausEvent(
wfAction.getSlaXml(), wfAction.getId(), Status.FAILED, SlaAppType.WORKFLOW_ACTION);
jpaService.execute(new WorkflowActionUpdateJPAExecutor(actionToFail));
}
} catch (JPAExecutorException je) {
throw new CommandException(je);
}
wfJob.setStatus(WorkflowJob.Status.valueOf(workflowInstance.getStatus().toString()));
wfJob.setEndTime(new Date());
wfJob.setWorkflowInstance(workflowInstance);
Status slaStatus = Status.SUCCEEDED;
switch (wfJob.getStatus()) {
case SUCCEEDED:
slaStatus = Status.SUCCEEDED;
break;
case KILLED:
slaStatus = Status.KILLED;
break;
case FAILED:
slaStatus = Status.FAILED;
break;
default: // TODO SUSPENDED
break;
}
SLADbXOperations.writeStausEvent(
wfJob.getSlaXml(), jobId, slaStatus, SlaAppType.WORKFLOW_JOB);
queue(new NotificationXCommand(wfJob));
if (wfJob.getStatus() == WorkflowJob.Status.SUCCEEDED) {
InstrumentUtils.incrJobCounter(INSTR_SUCCEEDED_JOBS_COUNTER_NAME, 1, getInstrumentation());
}
} else {
for (WorkflowActionBean newAction :
WorkflowStoreService.getStartedActions(workflowInstance)) {
String skipVar =
workflowInstance.getVar(
newAction.getName() + WorkflowInstance.NODE_VAR_SEPARATOR + ReRunCommand.TO_SKIP);
boolean skipNewAction = false;
if (skipVar != null) {
skipNewAction = skipVar.equals("true");
}
try {
if (skipNewAction) {
WorkflowActionBean oldAction;
oldAction = jpaService.execute(new WorkflowActionGetJPAExecutor(newAction.getId()));
oldAction.setPending();
jpaService.execute(new WorkflowActionUpdateJPAExecutor(oldAction));
queue(new SignalXCommand(jobId, oldAction.getId()));
} else {
newAction.setPending();
String actionSlaXml =
getActionSLAXml(
newAction.getName(),
workflowInstance.getApp().getDefinition(),
wfJob.getConf());
newAction.setSlaXml(actionSlaXml);
jpaService.execute(new WorkflowActionInsertJPAExecutor(newAction));
LOG.debug(
"SignalXCommand: Name: "
+ newAction.getName()
+ ", Id: "
+ newAction.getId()
+ ", Authcode:"
+ newAction.getCred());
queue(new ActionStartXCommand(newAction.getId(), newAction.getType()));
}
} catch (JPAExecutorException je) {
throw new CommandException(je);
}
}
}
try {
jpaService.execute(new WorkflowJobUpdateJPAExecutor(wfJob));
} catch (JPAExecutorException je) {
throw new CommandException(je);
}
XLog.getLog(getClass())
.debug(
"Updated the workflow status to "
+ wfJob.getId()
+ " status ="
+ wfJob.getStatusStr());
if (wfJob.getStatus() != WorkflowJob.Status.RUNNING
&& wfJob.getStatus() != WorkflowJob.Status.SUSPENDED) {
// update coordinator action
new CoordActionUpdateXCommand(wfJob).call();
new WfEndXCommand(wfJob).call(); // To delete the WF temp dir
}
LOG.debug("ENDED SignalCommand for jobid=" + jobId + ", actionId=" + actionId);
return null;
}