com.netflix.genie.web.spring.autoconfigure.ZookeeperAutoConfiguration Maven / Gradle / Ivy
/*
*
* Copyright 2020 Netflix, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package com.netflix.genie.web.spring.autoconfigure;
import com.netflix.genie.web.agent.services.impl.AgentRoutingServiceCuratorDiscoveryImpl;
import com.netflix.genie.web.properties.ZookeeperProperties;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.listen.Listenable;
import org.apache.curator.framework.state.ConnectionStateListener;
import org.apache.curator.x.discovery.ServiceDiscovery;
import org.apache.curator.x.discovery.ServiceDiscoveryBuilder;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.integration.zookeeper.config.LeaderInitiatorFactoryBean;
/**
* Auto configuration for Zookeper components.
*
* @author mprimi
* @since 4.0.0
*/
@Configuration
@EnableConfigurationProperties(
{
ZookeeperProperties.class
}
)
@AutoConfigureAfter(
{
org.springframework.cloud.zookeeper.ZookeeperAutoConfiguration.class
}
)
@ConditionalOnBean(CuratorFramework.class)
public class ZookeeperAutoConfiguration {
/**
* The leadership initialization factory bean which will create a LeaderInitiator to kick off the leader election
* process within this node for the cluster if Zookeeper is configured.
*
* @param client The curator framework client to use
* @param zookeeperProperties The Zookeeper properties to use
* @return The factory bean
*/
@Bean
@ConditionalOnMissingBean(LeaderInitiatorFactoryBean.class)
public LeaderInitiatorFactoryBean leaderInitiatorFactory(
final CuratorFramework client,
final ZookeeperProperties zookeeperProperties
) {
final LeaderInitiatorFactoryBean factoryBean = new LeaderInitiatorFactoryBean();
factoryBean.setClient(client);
factoryBean.setPath(zookeeperProperties.getLeaderPath());
factoryBean.setRole("cluster");
return factoryBean;
}
/**
* The Curator-based Service Discovery bean.
*
* @param client The curator framework client to use
* @param zookeeperProperties The Zookeeper properties to use
* @return {@link ServiceDiscovery} bean for instances of type {@link AgentRoutingServiceCuratorDiscoveryImpl.Agent}
*/
@Bean
@ConditionalOnMissingBean(ServiceDiscovery.class)
ServiceDiscovery serviceDiscovery(
final CuratorFramework client,
final ZookeeperProperties zookeeperProperties
) {
return ServiceDiscoveryBuilder.builder(AgentRoutingServiceCuratorDiscoveryImpl.Agent.class)
.basePath(zookeeperProperties.getDiscoveryPath())
.client(client)
.build();
}
/**
* The Curator-client connection state listenable.
*
* @param client The curator framework client to use
* @return {@link ServiceDiscovery} bean for instances of type {@link AgentRoutingServiceCuratorDiscoveryImpl.Agent}
*/
@Bean
@ConditionalOnMissingBean(Listenable.class)
Listenable listenableCuratorConnectionState(
final CuratorFramework client
) {
return client.getConnectionStateListenable();
}
}