Examples with KillNodeDef org.apache.oozie.workflow.lite.KillNodeDef used on opensource projects

Example 1 with KillNodeDef

use of org.apache.oozie.workflow.lite.KillNodeDef in project oozie by apache.

the class SignalXCommand method execute.

@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);
    WorkflowJob.Status prevStatus = wfJob.getStatus();
    boolean completed = false, skipAction = false;
    WorkflowActionBean syncAction = null;
    List<WorkflowActionBean> workflowActionBeanListForForked = new ArrayList<WorkflowActionBean>();
    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);
            generateEvent = true;
            // 1. Add SLA status event for WF-JOB with status STARTED
            SLAEventBean slaEvent = SLADbXOperations.createStatusEvent(wfJob.getSlaXml(), jobId, Status.STARTED, SlaAppType.WORKFLOW_JOB);
            if (slaEvent != null) {
                insertList.add(slaEvent);
            }
            // 2. Add SLA registration events for all WF_ACTIONS
            createSLARegistrationForAllActions(workflowInstance.getApp().getDefinition(), wfJob.getUser(), wfJob.getGroup(), wfJob.getConf());
            queue(new WorkflowNotificationXCommand(wfJob));
        } else {
            throw new CommandException(ErrorCode.E0801, wfJob.getId());
        }
    } else {
        WorkflowInstance.Status initialStatus = workflowInstance.getStatus();
        String skipVar = workflowInstance.getVar(wfAction.getName() + WorkflowInstance.NODE_VAR_SEPARATOR + ReRunXCommand.TO_SKIP);
        if (skipVar != null) {
            skipAction = skipVar.equals("true");
        }
        try {
            completed = workflowInstance.signal(wfAction.getExecutionPath(), wfAction.getSignalValue());
        } catch (WorkflowException e) {
            LOG.error("Workflow action failed : " + e.getMessage(), e);
            wfJob.setStatus(WorkflowJob.Status.valueOf(workflowInstance.getStatus().toString()));
            completed = true;
        }
        wfJob.setWorkflowInstance(workflowInstance);
        wfAction.resetPending();
        if (!skipAction) {
            wfAction.setTransition(workflowInstance.getTransition(wfAction.getName()));
            queue(new WorkflowNotificationXCommand(wfJob, wfAction));
        }
        updateList.add(new UpdateEntry<WorkflowActionQuery>(WorkflowActionQuery.UPDATE_ACTION_PENDING_TRANS, wfAction));
        WorkflowInstance.Status endStatus = workflowInstance.getStatus();
        if (endStatus != initialStatus) {
            generateEvent = true;
        }
    }
    if (completed) {
        try {
            for (String actionToKillId : WorkflowStoreService.getActionsToKill(workflowInstance)) {
                WorkflowActionBean actionToKill;
                actionToKill = WorkflowActionQueryExecutor.getInstance().get(WorkflowActionQuery.GET_ACTION_ID_TYPE_LASTCHECK, actionToKillId);
                actionToKill.setPending();
                actionToKill.setStatus(WorkflowActionBean.Status.KILLED);
                updateList.add(new UpdateEntry<WorkflowActionQuery>(WorkflowActionQuery.UPDATE_ACTION_STATUS_PENDING, actionToKill));
                queue(new ActionKillXCommand(actionToKill.getId(), actionToKill.getType()));
            }
            for (String actionToFailId : WorkflowStoreService.getActionsToFail(workflowInstance)) {
                WorkflowActionBean actionToFail = WorkflowActionQueryExecutor.getInstance().get(WorkflowActionQuery.GET_ACTION_FAIL, actionToFailId);
                actionToFail.resetPending();
                actionToFail.setStatus(WorkflowActionBean.Status.FAILED);
                if (wfJobErrorCode != null) {
                    wfJobErrorCode = actionToFail.getErrorCode();
                    wfJobErrorMsg = actionToFail.getErrorMessage();
                }
                queue(new WorkflowNotificationXCommand(wfJob, actionToFail));
                SLAEventBean slaEvent = SLADbXOperations.createStatusEvent(wfAction.getSlaXml(), wfAction.getId(), Status.FAILED, SlaAppType.WORKFLOW_ACTION);
                if (slaEvent != null) {
                    insertList.add(slaEvent);
                }
                updateList.add(new UpdateEntry<WorkflowActionQuery>(WorkflowActionQuery.UPDATE_ACTION_STATUS_PENDING, 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;
        }
        SLAEventBean slaEvent = SLADbXOperations.createStatusEvent(wfJob.getSlaXml(), jobId, slaStatus, SlaAppType.WORKFLOW_JOB);
        if (slaEvent != null) {
            insertList.add(slaEvent);
        }
        queue(new WorkflowNotificationXCommand(wfJob));
        if (wfJob.getStatus() == WorkflowJob.Status.SUCCEEDED) {
            InstrumentUtils.incrJobCounter(INSTR_SUCCEEDED_JOBS_COUNTER_NAME, 1, getInstrumentation());
        }
        // output message for Kill node
        if (wfAction != null) {
            // wfAction could be a no-op job
            NodeDef nodeDef = workflowInstance.getNodeDef(wfAction.getExecutionPath());
            if (nodeDef != null && nodeDef instanceof KillNodeDef) {
                boolean isRetry = false;
                boolean isUserRetry = false;
                ActionExecutorContext context = new ActionXCommand.ActionExecutorContext(wfJob, wfAction, isRetry, isUserRetry);
                InstrumentUtils.incrJobCounter(INSTR_KILLED_JOBS_COUNTER_NAME, 1, getInstrumentation());
                try {
                    String tmpNodeConf = nodeDef.getConf();
                    String message = context.getELEvaluator().evaluate(tmpNodeConf, String.class);
                    LOG.debug("Try to resolve KillNode message for jobid [{0}], actionId [{1}], before resolve [{2}], " + "after resolve [{3}]", jobId, actionId, tmpNodeConf, message);
                    if (wfAction.getErrorCode() != null) {
                        wfAction.setErrorInfo(wfAction.getErrorCode(), message);
                    } else {
                        wfAction.setErrorInfo(ErrorCode.E0729.toString(), message);
                    }
                } catch (Exception ex) {
                    LOG.warn("Exception in SignalXCommand when processing Kill node message: {0}", ex.getMessage(), ex);
                    wfAction.setErrorInfo(ErrorCode.E0756.toString(), ErrorCode.E0756.format(ex.getMessage()));
                    wfAction.setStatus(WorkflowAction.Status.ERROR);
                }
                updateList.add(new UpdateEntry<WorkflowActionQuery>(WorkflowActionQuery.UPDATE_ACTION_PENDING_TRANS_ERROR, wfAction));
            }
        }
    } else {
        for (WorkflowActionBean newAction : WorkflowStoreService.getActionsToStart(workflowInstance)) {
            boolean isOldWFAction = false;
            // old action. To avoid twice entry for same action, Checking in Db if the workflow action already exist.
            if (SubWorkflowActionExecutor.ACTION_TYPE.equals(newAction.getType())) {
                try {
                    WorkflowActionBean oldAction = WorkflowActionQueryExecutor.getInstance().get(WorkflowActionQuery.GET_ACTION_CHECK, newAction.getId());
                    newAction.setExternalId(oldAction.getExternalId());
                    newAction.setCreatedTime(oldAction.getCreatedTime());
                    isOldWFAction = true;
                } catch (JPAExecutorException e) {
                    if (e.getErrorCode() != ErrorCode.E0605) {
                        throw new CommandException(e);
                    }
                }
            }
            String skipVar = workflowInstance.getVar(newAction.getName() + WorkflowInstance.NODE_VAR_SEPARATOR + ReRunXCommand.TO_SKIP);
            boolean skipNewAction = false, suspendNewAction = false;
            if (skipVar != null) {
                skipNewAction = skipVar.equals("true");
            }
            if (skipNewAction) {
                WorkflowActionBean oldAction = new WorkflowActionBean();
                oldAction.setId(newAction.getId());
                oldAction.setPending();
                oldAction.setExecutionPath(newAction.getExecutionPath());
                updateList.add(new UpdateEntry<WorkflowActionQuery>(WorkflowActionQuery.UPDATE_ACTION_PENDING, oldAction));
                queue(new SignalXCommand(jobId, oldAction.getId()));
            } else {
                if (!skipAction) {
                    try {
                        // Make sure that transition node for a forked action
                        // is inserted only once
                        WorkflowActionQueryExecutor.getInstance().get(WorkflowActionQuery.GET_ACTION_ID_TYPE_LASTCHECK, newAction.getId());
                        continue;
                    } catch (JPAExecutorException jee) {
                    }
                }
                suspendNewAction = checkForSuspendNode(newAction);
                newAction.setPending();
                String actionSlaXml = getActionSLAXml(newAction.getName(), workflowInstance.getApp().getDefinition(), wfJob.getConf());
                newAction.setSlaXml(actionSlaXml);
                if (!isOldWFAction) {
                    newAction.setCreatedTime(new Date());
                    insertList.add(newAction);
                } else {
                    updateList.add(new UpdateEntry<WorkflowActionQuery>(WorkflowActionQuery.UPDATE_ACTION_START, newAction));
                }
                LOG.debug("SignalXCommand: Name: " + newAction.getName() + ", Id: " + newAction.getId() + ", Authcode:" + newAction.getCred());
                if (wfAction != null) {
                    // null during wf job submit
                    ActionService as = Services.get().get(ActionService.class);
                    ActionExecutor current = as.getExecutor(wfAction.getType());
                    LOG.trace("Current Action Type:" + current.getClass());
                    if (!suspendNewAction) {
                        if (current instanceof StartActionExecutor) {
                            // Excluding :start: here from executing first action synchronously since it
                            // blocks the consumer thread till the action is submitted to Hadoop,
                            // in turn reducing the number of new submissions the threads can accept.
                            // Would also be susceptible to longer delays in case Hadoop cluster is busy.
                            queue(new ActionStartXCommand(newAction.getId(), newAction.getType()));
                        } else if (current instanceof ForkActionExecutor) {
                            if (ConfigurationService.getBoolean(SignalXCommand.FORK_PARALLEL_JOBSUBMISSION)) {
                                workflowActionBeanListForForked.add(newAction);
                            } else {
                                queue(new ActionStartXCommand(newAction.getId(), newAction.getType()));
                            }
                        } else {
                            syncAction = newAction;
                        }
                    } else {
                        // will be ignored.
                        if (ConfigurationService.getBoolean(SignalXCommand.FORK_PARALLEL_JOBSUBMISSION)) {
                            workflowActionBeanListForForked.add(newAction);
                        }
                    }
                } else {
                    // first action after wf submit should always be sync
                    syncAction = newAction;
                }
            }
        }
    }
    try {
        wfJob.setLastModifiedTime(new Date());
        updateList.add(new UpdateEntry<WorkflowJobQuery>(WorkflowJobQuery.UPDATE_WORKFLOW_STATUS_INSTANCE_MOD_START_END, wfJob));
        // call JPAExecutor to do the bulk writes
        BatchQueryExecutor.getInstance().executeBatchInsertUpdateDelete(insertList, updateList, null);
        if (prevStatus != wfJob.getStatus()) {
            LOG.debug("Updated the workflow status to " + wfJob.getId() + "  status =" + wfJob.getStatusStr());
        }
        if (generateEvent && EventHandlerService.isEnabled()) {
            generateEvent(wfJob, wfJobErrorCode, wfJobErrorMsg);
        }
    } catch (JPAExecutorException je) {
        throw new CommandException(je);
    }
    // undue delay from between end of previous and start of next action
    if (wfJob.getStatus() != WorkflowJob.Status.RUNNING && wfJob.getStatus() != WorkflowJob.Status.SUSPENDED) {
        // only for asynchronous actions, parent coord action's external id will
        // persisted and following update will succeed.
        updateParentIfNecessary(wfJob);
        // To delete the WF temp dir
        new WfEndXCommand(wfJob).call();
    } else if (syncAction != null) {
        new ActionStartXCommand(wfJob, syncAction.getId(), syncAction.getType()).call();
    } else if (!workflowActionBeanListForForked.isEmpty() && !checkForSuspendNode(workflowActionBeanListForForked)) {
        startForkedActions(workflowActionBeanListForForked);
    }
    LOG.debug("ENDED SignalCommand for jobid=" + jobId + ", actionId=" + actionId);
    return null;
}