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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.application;
import com.yahoo.component.Version;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.NodeType;
import com.yahoo.config.provision.TenantName;
import com.yahoo.config.provision.zone.ZoneId;
import com.yahoo.text.Text;
import com.yahoo.vespa.applicationmodel.InfrastructureApplication;
import com.yahoo.vespa.hosted.controller.Controller;
import com.yahoo.vespa.hosted.controller.api.identifiers.DeploymentId;
import com.yahoo.vespa.hosted.controller.api.integration.configserver.ServiceConvergence;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.List;
import java.util.Optional;
/**
* This represents a system-level application in hosted Vespa. All infrastructure nodes in a hosted Vespa zones are
* allocated to a system application.
*
* @author mpolden
*/
public enum SystemApplication {
controllerHost(InfrastructureApplication.CONTROLLER_HOST),
configServerHost(InfrastructureApplication.CONFIG_SERVER_HOST),
configServer(InfrastructureApplication.CONFIG_SERVER),
proxyHost(InfrastructureApplication.PROXY_HOST),
proxy(InfrastructureApplication.PROXY, configServer),
tenantHost(InfrastructureApplication.TENANT_HOST);
/** The tenant owning all system applications */
public static final TenantName TENANT = TenantName.from("hosted-vespa");
private final InfrastructureApplication application;
private final List<SystemApplication> dependencies;
SystemApplication(InfrastructureApplication application, SystemApplication... dependencies) {
this.application = application;
this.dependencies = List.of(dependencies);
}
public ApplicationId id() {
return application.id();
}
/** The node type that is implicitly allocated to this */
public NodeType nodeType() {
return application.nodeType();
}
/** Returns the system applications that should upgrade before this */
public List<SystemApplication> dependencies() { return dependencies; }
/** Returns whether this system application has an application package */
public boolean hasApplicationPackage() {
return this == proxy;
}
/** Returns whether config for this application has converged in given zone */
public boolean configConvergedIn(ZoneId zone, Controller controller, Optional<Version> version) {
if (!hasApplicationPackage()) {
return true;
}
return controller.serviceRegistry().configServer().serviceConvergence(new DeploymentId(id(), zone), version)
.map(ServiceConvergence::converged)
.orElse(false);
}
/** Returns whether this should receive OS upgrades */
public boolean shouldUpgradeOs() {
return nodeType().isHost();
}
/** All system applications that are not the controller */
public static List<SystemApplication> notController() {
return List.copyOf(EnumSet.complementOf(EnumSet.of(SystemApplication.controllerHost)));
}
/** All system applications */
public static List<SystemApplication> all() {
return List.of(values());
}
/** Returns the system application matching given id, if any */
public static Optional<SystemApplication> matching(ApplicationId id) {
return Arrays.stream(values()).filter(app -> app.id().equals(id)).findFirst();
}
@Override
public String toString() {
return Text.format("system application %s of type %s", id(), nodeType());
}
}
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