public void createCluster() {
if (log.isDebugEnabled()) {
log.debug(
"Installing embedded "
+ deploymentOptions.getNumNodes()
+ " node cluster to "
+ deploymentOptions.getClusterDir());
} else {
log.info("Installing embedded cluster");
}
File clusterDir = new File(deploymentOptions.getClusterDir());
File installedMarker = new File(clusterDir, ".installed");
if (installedMarker.exists()) {
log.info("It appears that the cluster already exists in " + clusterDir);
log.info("Skipping cluster creation.");
getStorageClusterConfiguration();
}
FileUtil.purge(clusterDir, false);
String seeds = collectionToString(calculateLocalIPAddresses(deploymentOptions.getNumNodes()));
this.nodes = new String[deploymentOptions.getNumNodes()];
this.jmxPorts = new int[deploymentOptions.getNumNodes()];
this.cqlPort = deploymentOptions.getCqlPort();
boolean useRemoteJMX = this.nodes.length > 1;
for (int i = 0; i < deploymentOptions.getNumNodes(); ++i) {
File basedir = new File(deploymentOptions.getClusterDir(), "node" + i);
String address = getLocalIPAddress(i + 1);
DeploymentOptionsFactory factory = new DeploymentOptionsFactory();
DeploymentOptions nodeOptions = factory.newDeploymentOptions();
nodeOptions.setSeeds(seeds);
nodeOptions.setJmxPort(deploymentOptions.getJmxPort() + i);
nodeOptions.setBasedir(basedir.getAbsolutePath());
nodeOptions.setListenAddress(address);
nodeOptions.setRpcAddress(address);
nodeOptions.setCommitLogDir(new File(basedir, "commit_log").getAbsolutePath());
nodeOptions.setDataDir(new File(basedir, "data").getAbsolutePath());
nodeOptions.setSavedCachesDir(new File(basedir, "saved_caches").getAbsolutePath());
nodeOptions.merge(deploymentOptions);
try {
nodeOptions.load();
Deployer deployer = new Deployer();
deployer.setDeploymentOptions(nodeOptions);
deployer.unzipDistro();
deployer.applyConfigChanges();
deployer.updateFilePerms();
deployer.updateStorageAuthConf(calculateLocalIPAddresses(deploymentOptions.getNumNodes()));
if (useRemoteJMX) {
File confDir = new File(nodeOptions.getBasedir(), "conf");
File cassandraJvmPropsFile = new File(confDir, "cassandra-jvm.properties");
PropertiesFileUpdate propertiesUpdater =
new PropertiesFileUpdate(cassandraJvmPropsFile.getAbsolutePath());
Properties properties = propertiesUpdater.loadExistingProperties();
String jmxOpts =
"\"-Djava.rmi.server.hostname="
+ nodeOptions.getRpcAddress()
+ " -Dcom.sun.management.jmxremote.port="
+ nodeOptions.getJmxPort()
+ " -Dcom.sun.management.jmxremote.rmi.port="
+ nodeOptions.getJmxPort()
+ " -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false \"";
properties.setProperty("JMX_OPTS", jmxOpts);
propertiesUpdater.update(properties);
}
this.nodes[i] = address;
this.jmxPorts[i] = deploymentOptions.getJmxPort() + i;
installedNodeDirs.add(basedir);
} catch (Exception e) {
log.error("Failed to install node at " + basedir);
throw new RuntimeException("Failed to install node at " + basedir, e);
}
}
try {
FileUtil.writeFile(new ByteArrayInputStream(new byte[] {0}), installedMarker);
} catch (IOException e) {
log.warn("Failed to write installed file marker to " + installedMarker, e);
}
}
