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* 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
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package org.apache.brooklyn.entity.nosql.couchbase;
import static java.lang.String.format;
import static org.apache.brooklyn.util.ssh.BashCommands.INSTALL_CURL;
import static org.apache.brooklyn.util.ssh.BashCommands.alternatives;
import static org.apache.brooklyn.util.ssh.BashCommands.chainGroup;
import static org.apache.brooklyn.util.ssh.BashCommands.sudo;
import java.util.List;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.entity.EntityLocal;
import org.apache.brooklyn.api.entity.drivers.downloads.DownloadResolver;
import org.apache.brooklyn.api.location.OsDetails;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.core.entity.EntityPredicates;
import org.apache.brooklyn.core.sensor.DependentConfiguration;
import org.apache.brooklyn.entity.software.base.AbstractSoftwareProcessSshDriver;
import org.apache.brooklyn.location.ssh.SshMachineLocation;
import org.apache.brooklyn.util.collections.MutableMap;
import org.apache.brooklyn.util.ssh.BashCommands;
import org.apache.brooklyn.util.time.Duration;
import org.apache.brooklyn.util.time.Time;
import com.google.common.base.Optional;
import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
public class CouchbaseSyncGatewaySshDriver extends AbstractSoftwareProcessSshDriver implements CouchbaseSyncGatewayDriver {
public CouchbaseSyncGatewaySshDriver(EntityLocal entity, SshMachineLocation machine) {
super(entity, machine);
}
@Override
public void stop() {
}
@Override
public void install() {
//reference http://docs.couchbase.com/sync-gateway/#getting-started-with-sync-gateway
DownloadResolver resolver = Entities.newDownloader(this);
List<String> urls = resolver.getTargets();
String saveAs = resolver.getFilename();
OsDetails osDetails = getMachine().getMachineDetails().getOsDetails();
log.info("Installing couchbase-sync-gateway version: {}", getVersion());
if (osDetails.isLinux()) {
List<String> commands = installLinux(urls, saveAs);
newScript(INSTALLING)
.body.append(commands).execute();
}
}
@Override
public void customize() {
}
@Override
public void launch() {
Entity cbNode = entity.getConfig(CouchbaseSyncGateway.COUCHBASE_SERVER);
Entities.waitForServiceUp(cbNode, Duration.ONE_HOUR);
DependentConfiguration.waitInTaskForAttributeReady(cbNode, CouchbaseCluster.IS_CLUSTER_INITIALIZED, Predicates.equalTo(true));
// Even once the bucket has published its API URL, it can still take a couple of seconds for it to become available
Time.sleep(10 * 1000);
if (cbNode instanceof CouchbaseCluster) {
// in_cluster now applies even to a node in a cluster of size 1
Optional<Entity> cbClusterNode = Iterables.tryFind(cbNode.getAttribute(CouchbaseCluster.GROUP_MEMBERS),
Predicates.and(Predicates.instanceOf(CouchbaseNode.class), EntityPredicates.attributeEqualTo(CouchbaseNode.IS_IN_CLUSTER, Boolean.TRUE)));
if (!cbClusterNode.isPresent()) {
throw new IllegalArgumentException(format("The cluster %s does not contain any suitable Couchbase nodes to connect to..", cbNode.getId()));
}
cbNode = cbClusterNode.get();
}
String hostname = cbNode.getAttribute(CouchbaseNode.HOSTNAME);
String webPort = cbNode.getAttribute(CouchbaseNode.COUCHBASE_WEB_ADMIN_PORT).toString();
String username = cbNode.getConfig(CouchbaseNode.COUCHBASE_ADMIN_USERNAME);
String password = cbNode.getConfig(CouchbaseNode.COUCHBASE_ADMIN_PASSWORD);
String bucketName = entity.getConfig(CouchbaseSyncGateway.COUCHBASE_SERVER_BUCKET);
String pool = entity.getConfig(CouchbaseSyncGateway.COUCHBASE_SERVER_POOL);
String pretty = entity.getConfig(CouchbaseSyncGateway.PRETTY) ? "-pretty" : "";
String verbose = entity.getConfig(CouchbaseSyncGateway.VERBOSE) ? "-verbose" : "";
String adminRestApiPort = entity.getConfig(CouchbaseSyncGateway.ADMIN_REST_API_PORT).iterator().next().toString();
String syncRestApiPort = entity.getConfig(CouchbaseSyncGateway.SYNC_REST_API_PORT).iterator().next().toString();
String serverWebAdminUrl = format("http://%s:%s@%s:%s", username, password, hostname, webPort);
String options = format("-url %s -bucket %s -adminInterface 0.0.0.0:%s -interface 0.0.0.0:%s -pool %s %s %s",
serverWebAdminUrl, bucketName, adminRestApiPort, syncRestApiPort, pool, pretty, verbose);
newScript(ImmutableMap.of("usePidFile", true), LAUNCHING)
.body.append(format("/opt/couchbase-sync-gateway/bin/sync_gateway %s ", options) + "> out.log 2> err.log < /dev/null &")
.failOnNonZeroResultCode()
.execute();
}
@Override
public boolean isRunning() {
return newScript(MutableMap.of("usePidFile", true), CHECK_RUNNING).execute() == 0;
}
@Override
public void kill() {
newScript(MutableMap.of("usePidFile", true), KILLING).execute();
}
private List<String> installLinux(List<String> urls, String saveAs) {
String apt = chainGroup(
"which apt-get",
sudo("apt-get update"),
sudo(format("dpkg -i %s", saveAs)));
String yum = chainGroup(
"which yum",
sudo(format("rpm --install %s", saveAs)));
return ImmutableList.<String>builder()
.add(INSTALL_CURL)
.addAll(BashCommands.commandsToDownloadUrlsAs(urls, saveAs))
.add(alternatives(apt, yum))
.build();
}
@Override
public String getOsTag() {
OsDetails os = getLocation().getOsDetails();
if (os == null) {
// Default to generic linux
return "x86_64.rpm";
} else {
//FIXME should be a better way to check for OS name and version
String osName = os.getName().toLowerCase();
String fileExtension = osName.contains("deb") || osName.contains("ubuntu") ? ".deb" : ".rpm";
String arch = os.is64bit() ? "x86_64" : "x86";
return arch + fileExtension;
}
}
}