com.yahoo.vespa.model.admin.ZooKeepersConfigProvider Maven / Gradle / Ivy

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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.admin;

import com.yahoo.collections.CollectionUtil;
import com.yahoo.cloud.config.ZookeepersConfig;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Tony Vaagenes
 */
public class ZooKeepersConfigProvider implements ZookeepersConfig.Producer {

    public static final int zooKeeperClientPort = 2181;

    private final List configServers;

    public ZooKeepersConfigProvider(List configServers) {
        if (configServers == null) {
            configServers = new ArrayList<>();
        }
        this.configServers = configServers;
    }

    // format for each element: hostname:port
    public List getZooKeepers() {
        List servers = new ArrayList<>();
        for (Configserver server : configServers) {
            servers.add(server.getHostName() + ":" + zooKeeperClientPort);
        }
        return servers;
    }

    // format: hostname1:port2,hostname2:port2,...
    public String getZooKeepersConnectionSpec() {
        return CollectionUtil.mkString(getZooKeepers(), ",");
    }

    @Override
    public void getConfig(ZookeepersConfig.Builder builder) {
        builder.zookeeperserverlist(getZooKeepersConnectionSpec());
    }
}