private void updateCassandraJvmProps(Configuration newConfig) throws IOException {
PropertiesFileUpdate propertiesUpdater =
new PropertiesFileUpdate(jvmOptsFile.getAbsolutePath());
Properties properties = propertiesUpdater.loadExistingProperties();
String jmxPort = newConfig.getSimpleValue("jmxPort");
if (!StringUtil.isEmpty(jmxPort)) {
validateIntegerArg("jmx_port", jmxPort);
properties.setProperty("jmx_port", jmxPort);
}
String maxHeapSize = newConfig.getSimpleValue("maxHeapSize");
if (!StringUtil.isEmpty(maxHeapSize)) {
validateHeapArg("maxHeapSize", maxHeapSize);
// We want min and max heap to be the same
properties.setProperty("heap_min", "-Xms" + maxHeapSize);
properties.setProperty("heap_max", "-Xmx" + maxHeapSize);
}
String heapNewSize = newConfig.getSimpleValue("heapNewSize");
if (!StringUtil.isEmpty(heapNewSize)) {
validateHeapArg("heapNewSize", heapNewSize);
properties.setProperty("heap_new", "-Xmn" + heapNewSize);
}
String threadStackSize = newConfig.getSimpleValue("threadStackSize");
if (!StringUtil.isEmpty(threadStackSize)) {
validateIntegerArg("threadStackSize", threadStackSize);
properties.setProperty("thread_stack_size", "-Xss" + threadStackSize + "k");
}
PropertySimple heapDumpOnOMMError = newConfig.getSimple("heapDumpOnOOMError");
if (heapDumpOnOMMError != null) {
if (heapDumpOnOMMError.getBooleanValue()) {
properties.setProperty("heap_dump_on_OOMError", "-XX:+HeapDumpOnOutOfMemoryError");
} else {
properties.setProperty("heap_dump_on_OOMError", "");
}
}
String heapDumpDir = useForwardSlash(newConfig.getSimpleValue("heapDumpDir"));
if (!StringUtil.isEmpty(heapDumpDir)) {
properties.setProperty("heap_dump_dir", heapDumpDir);
}
propertiesUpdater.update(properties);
}
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);
}
}