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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.deployment;
import com.yahoo.config.application.api.DeploymentInstanceSpec;
import com.yahoo.config.application.api.DeploymentSpec;
import com.yahoo.config.provision.Environment;
import com.yahoo.config.provision.SystemName;
import com.yahoo.config.provision.zone.ZoneId;
import com.yahoo.vespa.hosted.controller.api.integration.deployment.JobType;
import com.yahoo.vespa.hosted.controller.application.Deployment;
import com.yahoo.vespa.hosted.controller.application.JobStatus;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static java.util.Comparator.comparingInt;
import static java.util.stream.Collectors.collectingAndThen;
/**
* This class provides helper methods for reading a deployment spec.
*
* @author mpolden
*/
public class DeploymentSteps {
private final DeploymentInstanceSpec spec;
private final Supplier<SystemName> system;
public DeploymentSteps(DeploymentInstanceSpec spec, Supplier<SystemName> system) {
this.spec = Objects.requireNonNull(spec, "spec cannot be null");
this.system = Objects.requireNonNull(system, "system cannot be null");
}
/** Returns jobs for this, in the order they should run */
public List<JobType> jobs() {
return Stream.concat(production().isEmpty() ? Stream.of() : Stream.of(JobType.systemTest, JobType.stagingTest),
spec.steps().stream().flatMap(step -> toJobs(step).stream()))
.distinct()
.collect(Collectors.toUnmodifiableList());
}
/** Returns job status sorted according to deployment spec */
public List<JobStatus> sortedJobs(Collection<JobStatus> jobStatus) {
List<JobType> sortedJobs = jobs();
return jobStatus.stream()
.sorted(comparingInt(job -> sortedJobs.indexOf(job.type())))
.collect(Collectors.toUnmodifiableList());
}
/** Returns deployments sorted according to declared zones */
public List<Deployment> sortedDeployments(Collection<Deployment> deployments) {
List<ZoneId> productionZones = spec.zones().stream()
.filter(z -> z.region().isPresent())
.map(z -> ZoneId.from(z.environment(), z.region().get()))
.collect(Collectors.toUnmodifiableList());
return deployments.stream()
.sorted(comparingInt(deployment -> productionZones.indexOf(deployment.zone())))
.collect(collectingAndThen(Collectors.toList(), Collections::unmodifiableList));
}
/** Resolve jobs from step */
public List<JobType> toJobs(DeploymentSpec.Step step) {
return step.zones().stream()
.map(this::toJob)
.flatMap(Optional::stream)
.collect(Collectors.toUnmodifiableList());
}
/** Returns test jobs to run for this spec */
public List<JobType> testJobs() {
return jobs().stream().filter(JobType::isTest).collect(Collectors.toUnmodifiableList());
}
/** Returns declared production jobs in this */
public List<JobType> productionJobs() {
return toJobs(production());
}
/** Returns declared production steps in this */
public List<DeploymentSpec.Step> production() {
return spec.steps().stream()
.filter(step -> ! isTest(step))
.collect(Collectors.toUnmodifiableList());
}
private boolean isTest(DeploymentSpec.Step step) {
return step.concerns(Environment.test) || step.concerns(Environment.staging);
}
/** Resolve job from deployment zone */
private Optional<JobType> toJob(DeploymentSpec.DeclaredZone zone) {
return JobType.from(system.get(), zone.environment(), zone.region().orElse(null));
}
/** Resolve jobs from steps */
private List<JobType> toJobs(List<DeploymentSpec.Step> steps) {
return steps.stream()
.flatMap(step -> toJobs(step).stream())
.collect(Collectors.toUnmodifiableList());
}
}
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