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/*
* Copyright © 2017-2019 AT&T Intellectual Property.
* Modifications Copyright © 2018 IBM.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.optf.cmso.optimizer;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.onap.observations.Mdc;
import org.onap.optf.cmso.common.BasicAuthenticatorFilter;
import org.onap.optf.cmso.common.CmsoStatusEnum;
import org.onap.optf.cmso.common.DomainsEnum;
import org.onap.optf.cmso.common.LogMessages;
import org.onap.optf.cmso.common.PropertiesManagement;
import org.onap.optf.cmso.filters.CmsoClientFilters;
import org.onap.optf.cmso.model.Schedule;
import org.onap.optf.cmso.model.dao.ScheduleDao;
import org.quartz.DisallowConcurrentExecution;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.SchedulerException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.scheduling.quartz.QuartzJobBean;
import org.springframework.stereotype.Component;
/**
* The Class OptimizerQuartzJob.
*/
@Component
@DisallowConcurrentExecution
public class OptimizerQuartzJob extends QuartzJobBean {
private static EELFLogger log = EELFManager.getInstance().getLogger(OptimizerQuartzJob.class);
private static EELFLogger debug = EELFManager.getInstance().getDebugLogger();
private static EELFLogger errors = EELFManager.getInstance().getErrorLogger();
@Autowired
ScheduleDao scheduleDao;
@Autowired
PropertiesManagement pm;
@Autowired
Environment env;
@Override
protected void executeInternal(JobExecutionContext context) throws JobExecutionException {
Mdc.quartzJobBegin(context);
debug.debug(LogMessages.OPTIMIZER_QUARTZ_JOB, "Entered");
// Turns out that this is not necessary. Quartz behaves in a way that makes
// sense.
// if (isStale(context))
// return;
try {
// This job will look at the schedules waiting to go to Optimizer or waiting on response from
// optimizer
// (PendingSchedule, PendingOptimizer),
// schedule the request and update the status to PendingSchedule
// and update the state to OptimizationInProgress
List<Schedule> schedules = scheduleDao.findByDomainStatus(DomainsEnum.ChangeManagement.toString(),
CmsoStatusEnum.PendingSchedule.toString());
for (Schedule s : schedules) {
scheduleOptimization(s);
}
List<Schedule> inProgressSchedules = scheduleDao.findByDomainStatus(DomainsEnum.ChangeManagement.toString(),
CmsoStatusEnum.OptimizationInProgress.toString());
for (Schedule s : inProgressSchedules) {
scheduleOptimization(s);
}
} catch (Exception e) {
debug.debug(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
errors.error(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
}
debug.debug(LogMessages.OPTIMIZER_QUARTZ_JOB, "Exited");
}
/**
* Schedule optimization.
*
* @param sch the s
*/
public void scheduleOptimization(Schedule sch) {
UUID id = sch.getUuid();
Map<String, String> mdcSave = Mdc.save();
try {
String url = env.getProperty("cmso.dispatch.url", "http://localhost:8089");
String path = env.getProperty("cmso.dispatch.optimizer .path", "/cmso/dispatch/optimizer/");
url = url + path + id;
String user = env.getProperty("mechid.user", "");
String pass = pm.getProperty("mechid.pass", "");
Client client = ClientBuilder.newClient();
client.register(new BasicAuthenticatorFilter(user, pass));
client.register(new CmsoClientFilters());
WebTarget target = client.target(url);
Invocation.Builder invocationBuilder = target.request(MediaType.APPLICATION_JSON);
Response response = null;
response = invocationBuilder.get();
switch (response.getStatus()) {
case 200:
log.info("Returned from dispatch call");
break;
case 400: // Bad request
default: {
throw new SchedulerException(
"Invalid return from dispach service: " + url + " : " + response.toString());
}
}
} catch (Exception e) {
debug.debug(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
errors.error(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
} finally {
Mdc.restore(mdcSave);
}
}
/**
* According to the documentation I read, Quartz would queue a job without waiting for the
* completion of the job with @DisallowConcurrentExecution to complete so that there would be a
* backlog of triggers to process
* This was designed to spin though these stale triggers. When this didn't work, I discovered that
* the behavior is that Quartz will wait for the appropriate interval
* after @DisallowConcurrentExecution jobs complete.
* I tested by adding a sleep for an interval > the trigger interval
* QUartz appears to do what makes sense. Leaving this here in case issues arise...
*
*/
@SuppressWarnings("unused")
private boolean isStale(JobExecutionContext context) {
// DO not process stale requests.
long now = System.currentTimeMillis();
long next = context.getNextFireTime().getTime();
long sch = context.getScheduledFireTime().getTime();
log.info("now=" + now);
log.info("nxt=" + next);
log.info("sch=" + sch);
if (now > sch) {
log.info("Skipping stale SNIRO job");
// return true;
}
return false;
}
}
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