public void init(String[] args) throws ConfigurationException {
// PropertiesUtil is used both in management server and agent packages,
// it searches path under class path and common J2EE containers
// For KVM agent, do it specially here
File file = new File("/etc/cloudstack/agent/log4j-cloud.xml");
if (!file.exists()) {
file = PropertiesUtil.findConfigFile("log4j-cloud.xml");
}
DOMConfigurator.configureAndWatch(file.getAbsolutePath());
s_logger.info("Agent started");
final Class<?> c = this.getClass();
_version = c.getPackage().getImplementationVersion();
if (_version == null) {
throw new CloudRuntimeException("Unable to find the implementation version of this agent");
}
s_logger.info("Implementation Version is " + _version);
loadProperties();
parseCommand(args);
if (s_logger.isDebugEnabled()) {
List<String> properties = Collections.list((Enumeration<String>) _properties.propertyNames());
for (String property : properties) {
s_logger.debug("Found property: " + property);
}
}
s_logger.info("Defaulting to using properties file for storage");
_storage = new PropertiesStorage();
_storage.configure("Storage", new HashMap<String, Object>());
// merge with properties from command line to let resource access
// command line parameters
for (Map.Entry<String, Object> cmdLineProp : getCmdLineProperties().entrySet()) {
_properties.put(cmdLineProp.getKey(), cmdLineProp.getValue());
}
s_logger.info("Defaulting to the constant time backoff algorithm");
_backoff = new ConstantTimeBackoff();
_backoff.configure("ConstantTimeBackoff", new HashMap<String, Object>());
}
@Override
public void setPersistentProperty(String prefix, String name, String value) {
if (prefix != null) _storage.persist(prefix + "." + name, value);
else _storage.persist(name, value);
}
@Override
public String getPersistentProperty(String prefix, String name) {
if (prefix != null) return _storage.get(prefix + "." + name);
return _storage.get(name);
}