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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.model.container.configserver;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.cloud.config.CuratorConfig;
import com.yahoo.cloud.config.ZookeeperServerConfig;
import com.yahoo.config.model.producer.AbstractConfigProducer;
import com.yahoo.config.provision.Environment;
import com.yahoo.config.provision.RegionName;
import com.yahoo.config.provision.SystemName;
import com.yahoo.config.provision.Zone;
import com.yahoo.container.StatisticsConfig;
import com.yahoo.container.core.VipStatusConfig;
import com.yahoo.container.jdisc.config.HealthMonitorConfig;
import com.yahoo.net.HostName;
import com.yahoo.vespa.defaults.Defaults;
import com.yahoo.vespa.model.container.ContainerCluster;
import com.yahoo.vespa.model.container.configserver.option.CloudConfigOptions;
import com.yahoo.vespa.model.container.configserver.option.CloudConfigOptions.ConfigServer;
import java.util.Optional;
import java.util.stream.IntStream;
/**
* Represents a config server cluster.
*
* @author Ulf Lilleengen
*/
public class ConfigserverCluster extends AbstractConfigProducer
implements
ConfigserverConfig.Producer,
CuratorConfig.Producer,
HealthMonitorConfig.Producer,
StatisticsConfig.Producer,
VipStatusConfig.Producer,
ZookeeperServerConfig.Producer {
private final CloudConfigOptions options;
private ContainerCluster<?> containerCluster;
public ConfigserverCluster(AbstractConfigProducer<?> parent, String subId, CloudConfigOptions options) {
super(parent, subId);
this.options = options;
}
public void setContainerCluster(ContainerCluster<?> containerCluster) {
this.containerCluster = containerCluster;
// If we are in a config server cluster the correct zone is propagated through cloud config options,
// not through config to deployment options (see StandaloneContainerApplication.scala),
// so we need to propagate the zone options into the container from here
Environment environment = options.environment().isPresent() ? Environment.from(options.environment().get()) : Environment.defaultEnvironment();
RegionName region = options.region().isPresent() ? RegionName.from(options.region().get()) : RegionName.defaultName();
SystemName system = options.system().isPresent() ? SystemName.from(options.system().get()) : SystemName.defaultSystem();
containerCluster.setZone(new Zone(system, environment, region));
}
@Override
public void getConfig(ZookeeperServerConfig.Builder builder) {
ConfigServer[] configServers = getConfigServers();
int[] zookeeperIds = getConfigServerZookeeperIds();
if (configServers.length != zookeeperIds.length) {
throw new IllegalArgumentException(String.format("Number of provided config server hosts (%d) must be the " +
"same as number of provided config server zookeeper ids (%d)",
configServers.length, zookeeperIds.length));
}
String myhostname = HostName.getLocalhost();
// TODO: Server index should be in interval [1, 254] according to doc,
// however, we cannot change this id for an existing server
for (int i = 0; i < configServers.length; i++) {
if (zookeeperIds[i] < 0) {
throw new IllegalArgumentException(String.format("Zookeeper ids cannot be negative, was %d for %s",
zookeeperIds[i], configServers[i].hostName));
}
if (configServers[i].hostName.equals(myhostname)) {
builder.myid(zookeeperIds[i]);
}
builder.server(getZkServer(configServers[i], zookeeperIds[i]));
}
if (options.zookeeperClientPort().isPresent()) {
builder.clientPort(options.zookeeperClientPort().get());
}
}
@Override
public void getConfig(ConfigserverConfig.Builder builder) {
for (String pluginDir : getConfigModelPluginDirs()) {
builder.configModelPluginDir(pluginDir);
}
if (options.sessionLifeTimeSecs().isPresent()) {
builder.sessionLifetime(options.sessionLifeTimeSecs().get());
}
if (options.zookeeperBarrierTimeout().isPresent()) {
builder.zookeeper(new ConfigserverConfig.Zookeeper.Builder().barrierTimeout(options.zookeeperBarrierTimeout().get()));
}
if (options.rpcPort().isPresent()) {
builder.rpcport(options.rpcPort().get());
}
if (options.multiTenant().isPresent()) {
builder.multitenant(options.multiTenant().get());
}
for (ConfigServer server : getConfigServers()) {
ConfigserverConfig.Zookeeperserver.Builder zkBuilder = new ConfigserverConfig.Zookeeperserver.Builder();
zkBuilder.hostname(server.hostName);
if (options.zookeeperClientPort().isPresent()) {
zkBuilder.port(options.zookeeperClientPort().get());
}
builder.zookeeperserver(zkBuilder);
}
if (options.environment().isPresent()) {
builder.environment(options.environment().get());
}
if (options.region().isPresent()) {
builder.region(options.region().get());
}
if (options.system().isPresent()) {
builder.environment(options.system().get());
}
builder.serverId(HostName.getLocalhost());
if (!containerCluster.getHttp().getHttpServer().get().getConnectorFactories().isEmpty()) {
builder.httpport(containerCluster.getHttp().getHttpServer().get().getConnectorFactories().get(0).getListenPort());
}
if (options.useVespaVersionInRequest().isPresent()) {
builder.useVespaVersionInRequest(options.useVespaVersionInRequest().get());
} else if (options.multiTenant().isPresent()) {
builder.useVespaVersionInRequest(options.multiTenant().get());
}
if (options.hostedVespa().isPresent()) {
builder.hostedVespa(options.hostedVespa().get());
}
if (options.loadBalancerAddress().isPresent()) {
builder.loadBalancerAddress(options.loadBalancerAddress().get());
}
options.athenzDnsSuffix().ifPresent(builder::athenzDnsSuffix);
options.ztsUrl().ifPresent(builder::ztsUrl);
}
private String[] getConfigModelPluginDirs() {
if (options.configModelPluginDirs().length > 0) {
return options.configModelPluginDirs();
} else {
return new String[]{Defaults.getDefaults().underVespaHome("lib/jars/config-models")};
}
}
private ConfigServer[] getConfigServers() {
return Optional.of(options.allConfigServers())
.filter(configServers -> configServers.length > 0)
.orElseGet(() -> new ConfigServer[]{new ConfigServer(HostName.getLocalhost(), Optional.empty())});
}
private int[] getConfigServerZookeeperIds() {
return Optional.of(options.configServerZookeeperIds())
.filter(ids -> ids.length > 0)
.orElseGet(() -> IntStream.range(0, getConfigServers().length).toArray());
}
private ZookeeperServerConfig.Server.Builder getZkServer(ConfigServer server, int id) {
ZookeeperServerConfig.Server.Builder builder = new ZookeeperServerConfig.Server.Builder();
if (options.zookeeperElectionPort().isPresent()) {
builder.electionPort(options.zookeeperElectionPort().get());
}
if (options.zookeeperQuorumPort().isPresent()) {
builder.quorumPort(options.zookeeperQuorumPort().get());
}
builder.hostname(server.hostName);
builder.id(id);
return builder;
}
@Override
public void getConfig(StatisticsConfig.Builder builder) {
builder.collectionintervalsec(60.0);
builder.loggingintervalsec(60.0);
}
@Override
public void getConfig(HealthMonitorConfig.Builder builder) {
builder.snapshot_interval(60.0);
}
@Override
public void getConfig(VipStatusConfig.Builder builder) {
builder.initiallyInRotation(false);
}
@Override
public void getConfig(CuratorConfig.Builder builder) {
for (ConfigServer server : getConfigServers()) {
CuratorConfig.Server.Builder curatorBuilder = new CuratorConfig.Server.Builder();
curatorBuilder.hostname(server.hostName);
if (options.zookeeperClientPort().isPresent()) {
curatorBuilder.port(options.zookeeperClientPort().get());
}
builder.server(curatorBuilder);
}
builder.zookeeperLocalhostAffinity(true);
}
}
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