Aharoni, Pavel (pa0916) | 8c70f07 | 2018-11-18 00:07:12 +0200 | [diff] [blame] | 1 | /*-
|
| 2 | * ============LICENSE_START=======================================================
|
| 3 | * OSAM
|
| 4 | * ================================================================================
|
| 5 | * Copyright (C) 2018 AT&T
|
| 6 | * ================================================================================
|
| 7 | * Licensed under the Apache License, Version 2.0 (the "License");
|
| 8 | * you may not use this file except in compliance with the License.
|
| 9 | * You may obtain a copy of the License at
|
| 10 | *
|
| 11 | * http://www.apache.org/licenses/LICENSE-2.0
|
| 12 | *
|
| 13 | * Unless required by applicable law or agreed to in writing, software
|
| 14 | * distributed under the License is distributed on an "AS IS" BASIS,
|
| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 16 | * See the License for the specific language governing permissions and
|
| 17 | * limitations under the License.
|
| 18 | * ============LICENSE_END=========================================================
|
| 19 | */
|
| 20 | package org.onap.osam.job.impl;
|
| 21 |
|
| 22 | import lombok.extern.slf4j.Slf4j;
|
| 23 | import org.apache.commons.lang3.exception.ExceptionUtils;
|
| 24 | import org.onap.osam.job.exceptions.JobException;
|
| 25 | import org.onap.osam.job.dao.job.JobStatus;
|
| 26 | import org.onap.osam.job.dao.job.OsamJob;
|
| 27 | import org.onap.osam.job.IJobCommand;
|
| 28 | import org.onap.osam.job.IJobsDataAccessService;
|
| 29 | import org.onap.osam.job.NextCommand;
|
| 30 | import org.onap.osam.job.command.JobCommandFactory;
|
| 31 | import org.quartz.JobExecutionContext;
|
| 32 | import org.springframework.scheduling.quartz.QuartzJobBean;
|
| 33 | import org.springframework.stereotype.Component;
|
| 34 |
|
| 35 | import java.util.Optional;
|
| 36 | import java.util.UUID;
|
| 37 |
|
| 38 |
|
| 39 | @Slf4j
|
| 40 | @Component
|
| 41 | public class JobWorker extends QuartzJobBean {
|
| 42 |
|
| 43 | private IJobsDataAccessService jobsDataAccessService;
|
| 44 | private JobCommandFactory jobCommandFactory;
|
| 45 | private JobStatus topic;
|
| 46 |
|
| 47 | @Override
|
| 48 | protected void executeInternal(JobExecutionContext context) {
|
| 49 | Optional<OsamJob> job;
|
| 50 |
|
| 51 | job = pullJob();
|
| 52 |
|
| 53 | while (job.isPresent()) {
|
| 54 | OsamJob nextStateOfJob = executeJobAndGetNext(job.get());
|
| 55 | pushBack(nextStateOfJob);
|
| 56 | job = pullJob();
|
| 57 | }
|
| 58 | }
|
| 59 |
|
| 60 | private Optional<OsamJob> pullJob() {
|
| 61 | try {
|
| 62 | return jobsDataAccessService.pull(topic, UUID.randomUUID().toString());
|
| 63 | } catch (Exception e) {
|
| 64 | log.error("failed to pull job from queue, breaking: {}", e, e);
|
| 65 | tryMutingJobFromException(e);
|
| 66 |
|
| 67 | return Optional.empty();
|
| 68 | }
|
| 69 | }
|
| 70 |
|
| 71 | private void pushBack(OsamJob nextJob) {
|
| 72 | try {
|
| 73 | jobsDataAccessService.pushBack(nextJob);
|
| 74 | } catch (Exception e) {
|
| 75 | log.error("failed pushing back job to queue: {}", e, e);
|
| 76 | }
|
| 77 | }
|
| 78 |
|
| 79 | protected OsamJob executeJobAndGetNext(OsamJob job) {
|
| 80 | //TODO Pavel find out about teplateId
|
| 81 | log.debug("going to execute job {}: {}/{}",
|
| 82 | //log.debug("going to execute job {} of {}: {}/{}",
|
| 83 | String.valueOf(job.getUuid()).substring(0,8),
|
| 84 | //String.valueOf(job.getTemplateId()).substring(0, 8),
|
| 85 | job.getStatus(), job.getType());
|
| 86 |
|
| 87 | NextCommand nextCommand = executeCommandAndGetNext(job);
|
| 88 |
|
| 89 | return setNextCommandInJob(nextCommand, job);
|
| 90 | }
|
| 91 |
|
| 92 | private NextCommand executeCommandAndGetNext(OsamJob job) {
|
| 93 | NextCommand nextCommand;
|
| 94 | try {
|
| 95 | final IJobCommand jobCommand = jobCommandFactory.toCommand(job);
|
| 96 | nextCommand = jobCommand.call();
|
| 97 | } catch (Exception e) {
|
| 98 | log.error("error while executing job from queue: {}", e);
|
| 99 | nextCommand = new NextCommand(JobStatus.FAILED);
|
| 100 | }
|
| 101 |
|
| 102 | if (nextCommand == null) {
|
| 103 | nextCommand = new NextCommand(JobStatus.STOPPED);
|
| 104 | }
|
| 105 | return nextCommand;
|
| 106 | }
|
| 107 |
|
| 108 | private OsamJob setNextCommandInJob(NextCommand nextCommand, OsamJob job) {
|
| 109 | log.debug("transforming job {}: {}/{} -> {}{}",
|
| 110 | String.valueOf(job.getUuid()).substring(0, 8),
|
| 111 | job.getStatus(), job.getType(),
|
| 112 | nextCommand.getStatus(),
|
| 113 | nextCommand.getCommand() != null ? ("/" + nextCommand.getCommand().getType()) : "");
|
| 114 |
|
| 115 | job.setStatus(nextCommand.getStatus());
|
| 116 |
|
| 117 | if (nextCommand.getCommand() != null) {
|
| 118 | job.setTypeAndData(nextCommand.getCommand().getType(), nextCommand.getCommand().getData());
|
| 119 | }
|
| 120 |
|
| 121 | return job;
|
| 122 | }
|
| 123 |
|
| 124 |
|
| 125 | private void tryMutingJobFromException(Exception e) {
|
| 126 | // If there's JobException in the stack, read job uuid from
|
| 127 | // the exception, and mute it in DB.
|
| 128 | final int indexOfJobException =
|
| 129 | ExceptionUtils.indexOfThrowable(e, JobException.class);
|
| 130 |
|
| 131 | if (indexOfJobException >= 0) {
|
| 132 | try {
|
| 133 | final JobException jobException = (JobException) ExceptionUtils.getThrowableList(e).get(indexOfJobException);
|
| 134 | log.info("muting job: {} ({})", jobException.getJobUuid(), jobException.toString());
|
| 135 | final boolean success = jobsDataAccessService.mute(jobException.getJobUuid());
|
| 136 | if (!success) {
|
| 137 | log.error("failed to mute job {}", jobException.getJobUuid());
|
| 138 | }
|
| 139 | } catch (Exception e1) {
|
| 140 | log.error("failed to mute job: {}", e1, e1);
|
| 141 | }
|
| 142 | }
|
| 143 | }
|
| 144 |
|
| 145 | //used by quartz to inject IJobsDataAccessService into the job
|
| 146 | //see JobSchedulerInitializer
|
| 147 | public void setJobsDataAccessService(IJobsDataAccessService jobsDataAccessService) {
|
| 148 | this.jobsDataAccessService = jobsDataAccessService;
|
| 149 | }
|
| 150 |
|
| 151 | /*public void setFeatureManager(FeatureManager featureManager) {
|
| 152 | this.featureManager = featureManager;
|
| 153 | }*/
|
| 154 |
|
| 155 | public void setJobCommandFactory(JobCommandFactory jobCommandFactory) {
|
| 156 | this.jobCommandFactory = jobCommandFactory;
|
| 157 | }
|
| 158 |
|
| 159 | public void setTopic(JobStatus topic) {
|
| 160 | this.topic = topic;
|
| 161 | }
|
| 162 | }
|