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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.container.standalone;
import com.yahoo.vespa.model.container.configserver.option.CloudConfigOptions;
import java.util.Arrays;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Stream;
/**
* @author bjorncs
*/
public class CloudConfigInstallVariables implements CloudConfigOptions {
@Override
public Optional<Integer> rpcPort() {
return Optional.ofNullable(System.getenv("VESPA_CONFIGSERVER_RPC_PORT"))
.or(() -> getRawInstallVariable("services.port_configserver_rpc"))
.map(Integer::parseInt);
}
@Override
public Optional<Boolean> multiTenant() {
return Optional.ofNullable(System.getenv("VESPA_CONFIGSERVER_MULTITENANT"))
.or(() -> getInstallVariable("multitenant"))
.map(Boolean::parseBoolean);
}
@Override
public ConfigServer[] allConfigServers() {
return Optional.ofNullable(System.getenv("VESPA_CONFIGSERVERS"))
.or(() -> getRawInstallVariable("services.addr_configserver"))
.map(CloudConfigInstallVariables::toConfigServers)
.orElseGet(() -> new ConfigServer[0]);
}
@Override
public int[] configServerZookeeperIds() {
return Optional.ofNullable(System.getenv("VESPA_CONFIGSERVER_ZOOKEEPER_IDS"))
.map(CloudConfigInstallVariables::multiValueParameterStream)
.orElseGet(Stream::empty)
.mapToInt(Integer::valueOf)
.toArray();
}
@Override
public Optional<Long> zookeeperBarrierTimeout() {
return getInstallVariable("zookeeper_barrier_timeout", Long::parseLong);
}
@Override
public Optional<Long> sessionLifeTimeSecs() {
return getInstallVariable("session_lifetime", Long::parseLong);
}
@Override
public String[] configModelPluginDirs() {
return getRawInstallVariable("cloudconfig_server.config_model_plugin_dirs")
.map(CloudConfigInstallVariables::toConfigModelsPluginDir)
.orElseGet(() -> new String[0]);
}
@Override
public Optional<Integer> zookeeperClientPort() {
return getInstallVariable("zookeeper_clientPort", Integer::parseInt);
}
@Override
public Optional<Integer> zookeeperQuorumPort() {
return getInstallVariable("zookeeper_quorumPort", Integer::parseInt);
}
@Override
public Optional<Integer> zookeeperElectionPort() {
return getInstallVariable("zookeeper_electionPort", Integer::parseInt);
}
@Override
public Optional<String> environment() {
return Optional.ofNullable(System.getenv("VESPA_ENVIRONMENT"))
.or(() -> getInstallVariable("environment"));
}
@Override
public Optional<String> region() {
return Optional.ofNullable(System.getenv("VESPA_REGION"))
.or(() -> getInstallVariable("region"));
}
@Override
public Optional<String> system() {
return Optional.ofNullable(System.getenv("VESPA_SYSTEM"))
.or(() -> getInstallVariable("system"));
}
@Override
public Optional<Boolean> useVespaVersionInRequest() {
return getInstallVariable("use_vespa_version_in_request", Boolean::parseBoolean);
}
@Override
public Optional<Boolean> hostedVespa() {
return Optional.ofNullable(System.getenv("VESPA_CONFIGSERVER_HOSTED"))
.or(() -> getInstallVariable("hosted_vespa"))
.map(Boolean::parseBoolean);
}
@Override
public Optional<String> loadBalancerAddress() {
return getInstallVariable("load_balancer_address");
}
@Override
public Optional<String> athenzDnsSuffix() {
return getInstallVariable("athenz_dns_suffix");
}
@Override
public Optional<String> ztsUrl() {
return getInstallVariable("zts_url");
}
static ConfigServer[] toConfigServers(String configserversString) {
return multiValueParameterStream(configserversString)
.map(CloudConfigInstallVariables::toConfigServer)
.toArray(ConfigServer[]::new);
}
static ConfigServer toConfigServer(String configserverString) {
try {
String[] hostPortTuple = configserverString.split(":");
if (configserverString.contains(":")) {
return new ConfigServer(hostPortTuple[0], Optional.of(Integer.parseInt(hostPortTuple[1])));
} else {
return new ConfigServer(configserverString, Optional.empty());
}
} catch (Exception e) {
throw new IllegalArgumentException("Invalid config server " + configserverString, e);
}
}
static String[] toConfigModelsPluginDir(String configModelsPluginDirString) {
return multiValueParameterStream(configModelsPluginDirString).toArray(String[]::new);
}
private static Optional<String> getInstallVariable(String name) {
return getInstallVariable(name, Function.identity());
}
private static <T> Optional<T> getInstallVariable(String name, Function<String, T> converter) {
return getRawInstallVariable("cloudconfig_server." + name).map(converter);
}
private static Optional<String> getRawInstallVariable(String name) {
return Optional.ofNullable(
Optional.ofNullable(System.getenv(name.replace(".", "__")))
.orElseGet(() -> System.getProperty(name)));
}
private static Stream<String> multiValueParameterStream(String param) {
return Arrays.stream(param.split("[, ]")).filter(value -> !value.isEmpty());
}
}
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