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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.application;
import com.yahoo.collections.AbstractFilteringList;
import com.yahoo.component.Version;
import com.yahoo.config.application.api.DeploymentSpec;
import com.yahoo.config.application.api.DeploymentSpec.UpgradePolicy;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.vespa.hosted.controller.Application;
import com.yahoo.vespa.hosted.controller.ApplicationController;
import com.yahoo.vespa.hosted.controller.Instance;
import java.time.Instant;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* A list of applications which can be filtered in various ways.
*
* @author jonmv
*/
public class ApplicationList extends AbstractFilteringList<Application, ApplicationList> {
private ApplicationList(Collection<? extends Application> applications, boolean negate) {
super(applications, negate, ApplicationList::new);
}
// ----------------------------------- Factories
public static ApplicationList from(Collection<? extends Application> applications) {
return new ApplicationList(applications, false);
}
public static ApplicationList from(Collection<ApplicationId> ids, ApplicationController applications) {
return from(ids.stream()
.map(TenantAndApplicationId::from)
.distinct()
.map(applications::requireApplication)
.collect(Collectors.toUnmodifiableList()));
}
// ----------------------------------- Accessors
/** Returns the ids of the applications in this as an immutable list */
public List<TenantAndApplicationId> idList() {
return mapToList(Application::id);
}
// ----------------------------------- Filters
/** Returns the subset of applications which are upgrading (to any version), not considering block windows. */
public ApplicationList upgrading() {
return matching(application -> application.change().platform().isPresent());
}
/** Returns the subset of applications which are currently upgrading to the given version */
public ApplicationList upgradingTo(Version version) {
return matching(application -> isUpgradingTo(version, application));
}
/** Returns the subset of applications which are not pinned to a certain Vespa version. */
public ApplicationList unpinned() {
return matching(application -> ! application.change().isPinned());
}
/** Returns the subset of applications which are currently not upgrading to the given version */
public ApplicationList notUpgradingTo(Version version) {
return notUpgradingTo(Collections.singletonList(version));
}
public ApplicationList notFailingUpgrade() {
return matching(application -> application.instances().values().stream()
.allMatch(instance -> JobList.from(instance)
.failing()
.not().failingApplicationChange()
.isEmpty()));
}
/** Returns the subset of applications which are currently not upgrading to any of the given versions */
public ApplicationList notUpgradingTo(Collection<Version> versions) {
return matching(application -> versions.stream().noneMatch(version -> isUpgradingTo(version, application)));
}
/**
* Returns the subset of applications which are currently not upgrading to the given version,
* or returns all if no version is specified
*/
public ApplicationList notUpgradingTo(Optional<Version> version) {
if (version.isEmpty()) return this;
return notUpgradingTo(version.get());
}
/** Returns the subset of applications which have changes left to deploy; blocked, or deploying */
public ApplicationList withChanges() {
return matching(application -> application.change().hasTargets() || application.outstandingChange().hasTargets());
}
/** Returns the subset of applications which are currently not deploying a change */
public ApplicationList notDeploying() {
return matching(application -> ! application.change().hasTargets());
}
/** Returns the subset of applications which currently does not have any failing jobs */
public ApplicationList notFailing() {
return matching(application -> application.instances().values().stream()
.noneMatch(instance -> instance.deploymentJobs().hasFailures()));
}
/** Returns the subset of applications which currently have failing jobs */
public ApplicationList failing() {
return matching(application -> application.instances().values().stream()
.anyMatch(instance -> instance.deploymentJobs().hasFailures()));
}
/** Returns the subset of applications which have been failing an upgrade to the given version since the given instant */
public ApplicationList failingUpgradeToVersionSince(Version version, Instant threshold) {
return matching(application -> application.instances().values().stream()
.anyMatch(instance -> failingUpgradeToVersionSince(instance, version, threshold)));
}
/** Returns the subset of applications which have been failing an application change since the given instant */
public ApplicationList failingApplicationChangeSince(Instant threshold) {
return matching(application -> application.instances().values().stream()
.anyMatch(instance -> failingApplicationChangeSince(instance, threshold)));
}
/** Returns the subset of applications which currently does not have any failing jobs on the given version */
public ApplicationList notFailingOn(Version version) {
return matching(application -> application.instances().values().stream()
.noneMatch(instance -> failingOn(version, instance)));
}
/** Returns the subset of applications which have at least one production deployment */
public ApplicationList withProductionDeployment() {
return matching(application -> application.instances().values().stream()
.anyMatch(instance -> instance.productionDeployments().size() > 0));
}
/** Returns the subset of applications which started failing on the given version */
public ApplicationList startedFailingOn(Version version) {
return matching(application -> application.instances().values().stream()
.anyMatch(instance -> ! JobList.from(instance).firstFailing().on(version).isEmpty()));
}
/** Returns the subset of applications which has the given upgrade policy */
// TODO jonmv: Make this instance based when instances are orchestrated, and deployments reported per instance.
public ApplicationList with(UpgradePolicy policy) {
return matching(application -> application.deploymentSpec().instances().stream()
.anyMatch(instance -> instance.upgradePolicy() == policy));
}
/** Returns the subset of applications which does not have the given upgrade policy */
// TODO jonmv: Make this instance based when instances are orchestrated, and deployments reported per instance.
public ApplicationList without(UpgradePolicy policy) {
return matching(application -> application.deploymentSpec().instances().stream()
.allMatch(instance -> instance.upgradePolicy() != policy));
}
/** Returns the subset of applications which have at least one deployment on a lower version than the given one */
public ApplicationList onLowerVersionThan(Version version) {
return matching(application -> application.instances().values().stream()
.flatMap(instance -> instance.productionDeployments().values().stream())
.anyMatch(deployment -> deployment.version().isBefore(version)));
}
/** Returns the subset of applications which have a project ID */
public ApplicationList withProjectId() {
return matching(application -> application.projectId().isPresent());
}
/** Returns the subset of applications that are allowed to upgrade at the given time */
public ApplicationList canUpgradeAt(Instant instant) {
return matching(application -> application.deploymentSpec().instances().stream()
.allMatch(instance -> instance.canUpgradeAt(instant)));
}
/** Returns the subset of applications that have at least one assigned rotation */
public ApplicationList hasRotation() {
return matching(application -> application.instances().values().stream()
.anyMatch(instance -> ! instance.rotations().isEmpty()));
}
/**
* Returns the subset of applications that hasn't pinned to an an earlier major version than the given one.
*
* @param targetMajorVersion the target major version which applications returned allows upgrading to
* @param defaultMajorVersion the default major version to assume for applications not specifying one
*/
public ApplicationList allowMajorVersion(int targetMajorVersion, int defaultMajorVersion) {
return matching(application -> targetMajorVersion <= application.deploymentSpec().majorVersion()
.orElse(application.majorVersion()
.orElse(defaultMajorVersion)));
}
/** Returns the subset of application which have submitted a non-empty deployment spec. */
public ApplicationList withDeploymentSpec() {
return matching(application -> ! DeploymentSpec.empty.equals(application.deploymentSpec()));
}
// ----------------------------------- Sorting
/**
* Returns this list sorted by increasing deployed version.
* If multiple versions are deployed the oldest is used.
* Applications without any deployments are ordered first.
*/
public ApplicationList byIncreasingDeployedVersion() {
return sortedBy(Comparator.comparing(application -> application.oldestDeployedPlatform()
.orElse(Version.emptyVersion)));
}
// ----------------------------------- Internal helpers
private static boolean isUpgradingTo(Version version, Application application) {
return application.change().platform().equals(Optional.of(version));
}
private static boolean failingOn(Version version, Instance instance) {
return ! JobList.from(instance)
.failing()
.lastCompleted().on(version)
.isEmpty();
}
private static boolean failingUpgradeToVersionSince(Instance instance, Version version, Instant threshold) {
return ! JobList.from(instance)
.not().failingApplicationChange()
.firstFailing().before(threshold)
.lastCompleted().on(version)
.isEmpty();
}
private static boolean failingApplicationChangeSince(Instance instance, Instant threshold) {
return ! JobList.from(instance)
.failingApplicationChange()
.firstFailing().before(threshold)
.isEmpty();
}
}
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