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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.maintenance;
import com.yahoo.component.Version;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.SystemName;
import com.yahoo.vespa.hosted.controller.Application;
import com.yahoo.vespa.hosted.controller.Controller;
import com.yahoo.vespa.hosted.controller.api.identifiers.PropertyId;
import com.yahoo.vespa.hosted.controller.api.integration.organization.DeploymentIssues;
import com.yahoo.vespa.hosted.controller.api.integration.organization.IssueId;
import com.yahoo.vespa.hosted.controller.api.integration.organization.User;
import com.yahoo.vespa.hosted.controller.application.ApplicationList;
import com.yahoo.vespa.hosted.controller.tenant.AthenzTenant;
import com.yahoo.vespa.hosted.controller.tenant.Tenant;
import com.yahoo.yolean.Exceptions;
import java.time.Duration;
import java.util.Collection;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Optional;
import java.util.Set;
import java.util.logging.Level;
import java.util.stream.Collectors;
import static com.yahoo.vespa.hosted.controller.versions.VespaVersion.Confidence.broken;
/**
* Maintenance job which files issues for tenants when they have jobs which fails continuously
* and escalates issues which are not handled in a timely manner.
*
* @author jonmv
*/
public class DeploymentIssueReporter extends Maintainer {
static final Duration maxFailureAge = Duration.ofDays(2);
static final Duration maxInactivity = Duration.ofDays(4);
static final Duration upgradeGracePeriod = Duration.ofHours(4);
private final DeploymentIssues deploymentIssues;
DeploymentIssueReporter(Controller controller, DeploymentIssues deploymentIssues, Duration maintenanceInterval, JobControl jobControl) {
super(controller, maintenanceInterval, jobControl);
this.deploymentIssues = deploymentIssues;
}
@Override
protected void maintain() {
maintainDeploymentIssues(applications());
maintainPlatformIssue(applications());
escalateInactiveDeploymentIssues(applications());
}
/** Returns the applications to maintain issue status for. */
private List<Application> applications() {
return ApplicationList.from(controller().applications().asList())
.withProjectId()
.asList();
}
/**
* File issues for applications which have failed deployment for longer than maxFailureAge
* and store the issue id for the filed issues. Also, clear the issueIds of applications
* where deployment has not failed for this amount of time.
*/
private void maintainDeploymentIssues(List<Application> applications) {
Set<ApplicationId> failingApplications = ApplicationList.from(applications)
.failingApplicationChangeSince(controller().clock().instant().minus(maxFailureAge))
.asList().stream()
.map(Application::id)
.collect(Collectors.toSet());
for (Application application : applications)
if (failingApplications.contains(application.id()))
fileDeploymentIssueFor(application.id());
else
store(application.id(), null);
}
/**
* When the confidence for the system version is BROKEN, file an issue listing the
* applications that have been failing the upgrade to the system version for
* longer than the set grace period, or update this list if the issue already exists.
*/
private void maintainPlatformIssue(List<Application> applications) {
if (controller().system() == SystemName.cd)
return;
Version systemVersion = controller().systemVersion();
if ((controller().versionStatus().version(systemVersion).confidence() != broken))
return;
if (ApplicationList.from(applications)
.failingUpgradeToVersionSince(systemVersion, controller().clock().instant().minus(upgradeGracePeriod))
.isEmpty())
return;
List<ApplicationId> failingApplications = ApplicationList.from(applications)
.failingUpgradeToVersionSince(systemVersion, controller().clock().instant())
.idList();
deploymentIssues.fileUnlessOpen(failingApplications, systemVersion);
}
private Tenant ownerOf(ApplicationId applicationId) {
return controller().tenants().tenant(applicationId.tenant())
.orElseThrow(() -> new IllegalStateException("No tenant found for application " + applicationId));
}
private User userFor(Tenant tenant) {
return User.from(tenant.name().value().replaceFirst(Tenant.userPrefix, ""));
}
private PropertyId propertyIdFor(AthenzTenant tenant) {
return tenant.propertyId()
.orElseThrow(() -> new NoSuchElementException("No PropertyId is listed for non-user tenant " +
tenant));
}
/** File an issue for applicationId, if it doesn't already have an open issue associated with it. */
private void fileDeploymentIssueFor(ApplicationId applicationId) {
try {
Tenant tenant = ownerOf(applicationId);
Optional<IssueId> ourIssueId = controller().applications().require(applicationId).deploymentJobs().issueId();
IssueId issueId = tenant instanceof AthenzTenant
? deploymentIssues.fileUnlessOpen(ourIssueId, applicationId, propertyIdFor((AthenzTenant) tenant))
: deploymentIssues.fileUnlessOpen(ourIssueId, applicationId, userFor(tenant));
store(applicationId, issueId);
}
catch (RuntimeException e) { // Catch errors due to wrong data in the controller, or issues client timeout.
log.log(Level.INFO, "Exception caught when attempting to file an issue for '" + applicationId + "': " + Exceptions.toMessageString(e));
}
}
/** Escalate issues for which there has been no activity for a certain amount of time. */
private void escalateInactiveDeploymentIssues(Collection<Application> applications) {
applications.forEach(application -> application.deploymentJobs().issueId().ifPresent(issueId -> {
try {
Optional<PropertyId> propertyId = Optional.of(application.id())
.map(this::ownerOf)
.filter(t -> t instanceof AthenzTenant)
.map(AthenzTenant.class::cast)
.flatMap(AthenzTenant::propertyId);
deploymentIssues.escalateIfInactive(issueId, propertyId, maxInactivity);
}
catch (RuntimeException e) {
log.log(Level.INFO, "Exception caught when attempting to escalate issue with id '" + issueId + "': " + Exceptions.toMessageString(e));
}
}));
}
private void store(ApplicationId id, IssueId issueId) {
controller().applications().lockIfPresent(id, application ->
controller().applications().store(application.withDeploymentIssueId(issueId)));
}
}
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