/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.whirr.service.hbase;
import static org.apache.whirr.RolePredicates.role;
import static org.apache.whirr.service.FirewallManager.Rule;
import static org.jclouds.scriptbuilder.domain.Statements.call;
import org.apache.commons.configuration.Configuration;
import java.io.IOException;
import java.net.InetAddress;
import org.apache.whirr.Cluster;
import org.apache.whirr.ClusterSpec;
import org.apache.whirr.service.ClusterActionEvent;
import org.apache.whirr.service.zookeeper.ZooKeeperCluster;
/**
* Provides a base class for servers like REST or Avro.
*/
public class BasicServerClusterActionHandler extends HBaseClusterActionHandler {
private final String role;
private final int defaultPort;
private final String configKeyPort;
public BasicServerClusterActionHandler(String role, int port, String configKeyPort) {
this.role = role;
this.defaultPort = port;
this.configKeyPort = configKeyPort;
}
@Override
public String getRole() {
return role;
}
@Override
protected void beforeBootstrap(ClusterActionEvent event) throws IOException {
ClusterSpec clusterSpec = event.getClusterSpec();
Configuration conf = getConfiguration(clusterSpec);
addStatement(event, call("retry_helpers"));
addStatement(event, call("configure_hostnames"));
addStatement(event, call("install_tarball"));
addStatement(event, call(getInstallFunction(conf, "java", "install_openjdk")));
String tarurl = prepareRemoteFileUrl(event,
conf.getString(HBaseConstants.KEY_TARBALL_URL));
addStatement(event, call(
getInstallFunction(conf),
HBaseConstants.PARAM_TARBALL_URL, tarurl)
);
}
@Override
protected void beforeConfigure(ClusterActionEvent event)
throws IOException, InterruptedException {
ClusterSpec clusterSpec = event.getClusterSpec();
Cluster cluster = event.getCluster();
int port = defaultPort;
if (configKeyPort != null) {
port = getConfiguration(clusterSpec).getInt(configKeyPort, defaultPort);
}
Cluster.Instance instance = cluster.getInstanceMatching(role(role));
InetAddress masterPublicAddress = instance.getPublicAddress();
event.getFirewallManager().addRule(
Rule.create().destination(instance).port(port)
);
handleFirewallRules(event);
String master = masterPublicAddress.getHostName();
String quorum = ZooKeeperCluster.getHosts(cluster);
String tarurl = prepareRemoteFileUrl(event,
getConfiguration(clusterSpec).getString(HBaseConstants.KEY_TARBALL_URL));
addStatement(event, call("retry_helpers"));
addStatement(event, call(
getConfigureFunction(getConfiguration(clusterSpec)),
role,
HBaseConstants.PARAM_MASTER, master,
HBaseConstants.PARAM_QUORUM, quorum,
HBaseConstants.PARAM_PORT, Integer.toString(port),
HBaseConstants.PARAM_TARBALL_URL, tarurl)
);
}
}