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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.Deployer;
import com.yahoo.config.provision.TenantName;
import com.yahoo.log.LogLevel;
import com.yahoo.path.Path;
import com.yahoo.vespa.config.server.application.ApplicationRepo;
import com.yahoo.vespa.config.server.deploy.TenantFileSystemDirs;
import com.yahoo.vespa.config.server.session.LocalSessionRepo;
import com.yahoo.vespa.config.server.session.RemoteSessionRepo;
import com.yahoo.vespa.config.server.session.SessionFactory;
import com.yahoo.vespa.curator.Curator;
import java.time.Duration;
import java.util.logging.Logger;
/**
* Contains all tenant-level components for a single tenant, dealing with editing sessions and
* applications for a single tenant.
*
* @author vegardh
* @author lulf
* @since 5.1.26
*/
public class Tenant implements TenantHandlerProvider {
private static final Logger log = Logger.getLogger(Tenant.class.getName());
static final String SESSIONS = "sessions";
static final String APPLICATIONS = "applications";
private final TenantName name;
private final RemoteSessionRepo remoteSessionRepo;
private final Path path;
private final SessionFactory sessionFactory;
private final LocalSessionRepo localSessionRepo;
private final ApplicationRepo applicationRepo;
private final ActivateLock activateLock;
private final RequestHandler requestHandler;
private final ReloadHandler reloadHandler;
private final TenantFileSystemDirs tenantFileSystemDirs;
private final Curator curator;
Tenant(TenantName name,
Path path,
SessionFactory sessionFactory,
LocalSessionRepo localSessionRepo,
RemoteSessionRepo remoteSessionRepo,
RequestHandler requestHandler,
ReloadHandler reloadHandler,
ApplicationRepo applicationRepo,
Curator curator,
TenantFileSystemDirs tenantFileSystemDirs) {
this.name = name;
this.path = path;
this.requestHandler = requestHandler;
this.reloadHandler = reloadHandler;
this.remoteSessionRepo = remoteSessionRepo;
this.sessionFactory = sessionFactory;
this.localSessionRepo = localSessionRepo;
this.activateLock = new ActivateLock(curator, path);
this.applicationRepo = applicationRepo;
this.tenantFileSystemDirs = tenantFileSystemDirs;
this.curator = curator;
}
/**
* The reload handler for this
*
* @return handler
*/
public ReloadHandler getReloadHandler() {
return reloadHandler;
}
/**
* The request handler for this
*
* @return handler
*/
public RequestHandler getRequestHandler() {
return requestHandler;
}
/**
* The RemoteSessionRepo for this
*
* @return repo
*/
public RemoteSessionRepo getRemoteSessionRepo() {
return remoteSessionRepo;
}
public TenantName getName() {
return name;
}
public Path getPath() {
return path;
}
public SessionFactory getSessionFactory() {
return sessionFactory;
}
public LocalSessionRepo getLocalSessionRepo() {
return localSessionRepo;
}
/**
* The activation lock for this
* @return lock
*/
public ActivateLock getActivateLock() {
return activateLock;
}
@Override
public String toString() {
return getName().value();
}
public ApplicationRepo getApplicationRepo() {
return applicationRepo;
}
public Curator getCurator() {
return curator;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof Tenant)) {
return false;
}
Tenant that = (Tenant) other;
return name.equals(that.name);
}
@Override
public int hashCode() {
return name.hashCode();
}
/**
* Closes any watchers, thread pools that may react to changes in tenant state. Also removes any local state
* in filesystem.
*/
public void close() {
tenantFileSystemDirs.delete();
remoteSessionRepo.close();
applicationRepo.close();
}
/**
* Deletes a tenant from ZooKeeper and filesystem.
*/
public void delete() {
localSessionRepo.deleteAllSessions();
curator.delete(path);
}
public void redeployApplications(Deployer deployer) {
// TODO: Configurable timeout
applicationRepo.listApplications().stream()
.forEach(applicationId -> redeployApplication(applicationId, deployer));
}
private void redeployApplication(ApplicationId applicationId, Deployer deployer) {
try {
log.log(LogLevel.DEBUG, "Redeploying " + applicationId);
deployer.deployFromLocalActive(applicationId, Duration.ofMinutes(30))
.ifPresent(deployment -> {
deployment.prepare();
deployment.activate();
});
} catch (Exception e) {
log.log(LogLevel.ERROR, "Redeploying " + applicationId + " failed", e);
}
}
}
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