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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller;
import com.yahoo.component.Version;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.CloudAccount;
import com.yahoo.config.provision.Environment;
import com.yahoo.config.provision.InstanceName;
import com.yahoo.config.provision.zone.ZoneId;
import com.yahoo.vespa.hosted.controller.api.integration.deployment.JobType;
import com.yahoo.vespa.hosted.controller.api.integration.deployment.RevisionId;
import com.yahoo.vespa.hosted.controller.application.AssignedRotation;
import com.yahoo.vespa.hosted.controller.application.Change;
import com.yahoo.vespa.hosted.controller.application.Deployment;
import com.yahoo.vespa.hosted.controller.application.DeploymentActivity;
import com.yahoo.vespa.hosted.controller.application.DeploymentMetrics;
import com.yahoo.vespa.hosted.controller.application.QuotaUsage;
import com.yahoo.vespa.hosted.controller.routing.rotation.RotationStatus;
import java.time.Instant;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.OptionalDouble;
import java.util.OptionalLong;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
/**
* An instance of an application.
*
* This is immutable.
*
* @author bratseth
*/
public class Instance {
private final ApplicationId id;
private final Map<ZoneId, Deployment> deployments;
private final List<AssignedRotation> rotations;
private final RotationStatus rotationStatus;
private final Map<JobType, Instant> jobPauses;
private final Change change;
/** Creates an empty instance */
public Instance(ApplicationId id) {
this(id, Set.of(), Map.of(), List.of(), RotationStatus.EMPTY, Change.empty());
}
/** Creates an empty instance*/
public Instance(ApplicationId id, Collection<Deployment> deployments, Map<JobType, Instant> jobPauses,
List<AssignedRotation> rotations, RotationStatus rotationStatus, Change change) {
this.id = Objects.requireNonNull(id, "id cannot be null");
this.deployments = Objects.requireNonNull(deployments, "deployments cannot be null").stream()
.collect(Collectors.toUnmodifiableMap(Deployment::zone, Function.identity()));
this.jobPauses = Map.copyOf(Objects.requireNonNull(jobPauses, "deploymentJobs cannot be null"));
this.rotations = List.copyOf(Objects.requireNonNull(rotations, "rotations cannot be null"));
this.rotationStatus = Objects.requireNonNull(rotationStatus, "rotationStatus cannot be null");
this.change = Objects.requireNonNull(change, "change cannot be null");
}
public Instance withNewDeployment(ZoneId zone, RevisionId revision, Version version, Instant instant,
Map<DeploymentMetrics.Warning, Integer> warnings, QuotaUsage quotaUsage, CloudAccount cloudAccount) {
// Use info from previous deployment if available, otherwise create a new one.
Deployment previousDeployment = deployments.getOrDefault(zone, new Deployment(zone, cloudAccount, revision,
version, instant,
DeploymentMetrics.none,
DeploymentActivity.none,
QuotaUsage.none,
OptionalDouble.empty()));
Deployment newDeployment = new Deployment(zone, cloudAccount, revision, version, instant,
previousDeployment.metrics().with(warnings),
previousDeployment.activity(),
quotaUsage,
previousDeployment.cost());
return with(newDeployment);
}
public Instance withJobPause(JobType jobType, OptionalLong pausedUntil) {
Map<JobType, Instant> jobPauses = new HashMap<>(this.jobPauses);
if (pausedUntil.isPresent())
jobPauses.put(jobType, Instant.ofEpochMilli(pausedUntil.getAsLong()));
else
jobPauses.remove(jobType);
return new Instance(id, deployments.values(), jobPauses, rotations, rotationStatus, change);
}
public Instance recordActivityAt(Instant instant, ZoneId zone) {
Deployment deployment = deployments.get(zone);
if (deployment == null) return this;
return with(deployment.recordActivityAt(instant));
}
public Instance with(ZoneId zone, DeploymentMetrics deploymentMetrics) {
Deployment deployment = deployments.get(zone);
if (deployment == null) return this; // No longer deployed in this zone.
return with(deployment.withMetrics(deploymentMetrics));
}
public Instance withDeploymentCosts(Map<ZoneId, Double> costByZone) {
Map<ZoneId, Deployment> deployments = this.deployments.entrySet().stream()
.map(entry -> Optional.ofNullable(costByZone.get(entry.getKey()))
.map(entry.getValue()::withCost)
.orElseGet(entry.getValue()::withoutCost))
.collect(Collectors.toUnmodifiableMap(Deployment::zone, deployment -> deployment));
return with(deployments);
}
public Instance withoutDeploymentIn(ZoneId zone) {
Map<ZoneId, Deployment> deployments = new LinkedHashMap<>(this.deployments);
deployments.remove(zone);
return with(deployments);
}
public Instance with(List<AssignedRotation> assignedRotations) {
return new Instance(id, deployments.values(), jobPauses, assignedRotations, rotationStatus, change);
}
public Instance with(RotationStatus rotationStatus) {
return new Instance(id, deployments.values(), jobPauses, rotations, rotationStatus, change);
}
public Instance withChange(Change change) {
return new Instance(id, deployments.values(), jobPauses, rotations, rotationStatus, change);
}
private Instance with(Deployment deployment) {
Map<ZoneId, Deployment> deployments = new LinkedHashMap<>(this.deployments);
deployments.put(deployment.zone(), deployment);
return with(deployments);
}
private Instance with(Map<ZoneId, Deployment> deployments) {
return new Instance(id, deployments.values(), jobPauses, rotations, rotationStatus, change);
}
public ApplicationId id() { return id; }
public InstanceName name() { return id.instance(); }
/** Returns an immutable map of the current deployments of this */
public Map<ZoneId, Deployment> deployments() { return deployments; }
/**
* Returns an immutable map of the current *production* deployments of this
* (deployments also includes manually deployed environments)
*/
public Map<ZoneId, Deployment> productionDeployments() {
return deployments.values().stream()
.filter(deployment -> deployment.zone().environment() == Environment.prod)
.collect(Collectors.toUnmodifiableMap(Deployment::zone, Function.identity()));
}
/** Returns the instant until which the given job is paused, or empty. */
public Optional<Instant> jobPause(JobType jobType) {
return Optional.ofNullable(jobPauses.get(jobType));
}
/** Returns the set of instants until which any paused jobs of this instance should remain paused, indexed by job type. */
public Map<JobType, Instant> jobPauses() {
return jobPauses;
}
/** Returns all rotations assigned to this */
public List<AssignedRotation> rotations() {
return rotations;
}
/** Returns the status of the global rotation(s) assigned to this */
public RotationStatus rotationStatus() {
return rotationStatus;
}
/** Returns the currently deploying change for this instance. */
public Change change() {
return change;
}
/** Returns the total quota usage for this instance, excluding temporary deployments **/
public QuotaUsage quotaUsage() {
return deployments.values().stream()
.filter(d -> !d.zone().environment().isTest()) // Exclude temporary deployments
.map(Deployment::quota).reduce(QuotaUsage::add).orElse(QuotaUsage.none);
}
/** Returns the total quota usage for manual deployments for this instance **/
public QuotaUsage manualQuotaUsage() {
return deployments.values().stream()
.filter(d -> d.zone().environment().isManuallyDeployed())
.map(Deployment::quota).reduce(QuotaUsage::add).orElse(QuotaUsage.none);
}
/** Returns the total quota usage for this instance, excluding one specific deployment (and temporary deployments) */
public QuotaUsage quotaUsageExcluding(ApplicationId application, ZoneId zone) {
return deployments.values().stream()
.filter(d -> !d.zone().environment().isTest()) // Exclude temporary deployments
.filter(d -> !(application.equals(id) && d.zone().equals(zone)))
.map(Deployment::quota).reduce(QuotaUsage::add).orElse(QuotaUsage.none);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if ( ! (o instanceof Instance)) return false;
Instance that = (Instance) o;
return id.equals(that.id);
}
@Override
public int hashCode() {
return id.hashCode();
}
@Override
public String toString() {
return "application instance '" + id.toFullString() + "'";
}
}
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