/**
* Merge default configuration with user-defined configuration.
*
* @throws CommandException thrown if failed to read or merge configurations
*/
protected void mergeDefaultConfig() throws CommandException {
Path configDefault = null;
try {
String coordAppPathStr = conf.get(OozieClient.COORDINATOR_APP_PATH);
Path coordAppPath = new Path(coordAppPathStr);
String user = ParamChecker.notEmpty(conf.get(OozieClient.USER_NAME), OozieClient.USER_NAME);
String group =
ParamChecker.notEmpty(conf.get(OozieClient.GROUP_NAME), OozieClient.GROUP_NAME);
FileSystem fs =
Services.get()
.get(HadoopAccessorService.class)
.createFileSystem(user, group, coordAppPath.toUri(), new Configuration());
// app path could be a directory
if (!fs.isFile(coordAppPath)) {
configDefault = new Path(coordAppPath, CONFIG_DEFAULT);
} else {
configDefault = new Path(coordAppPath.getParent(), CONFIG_DEFAULT);
}
if (fs.exists(configDefault)) {
Configuration defaultConf = new XConfiguration(fs.open(configDefault));
PropertiesUtils.checkDisallowedProperties(defaultConf, DISALLOWED_DEFAULT_PROPERTIES);
XConfiguration.injectDefaults(defaultConf, conf);
} else {
LOG.info("configDefault Doesn't exist " + configDefault);
}
PropertiesUtils.checkDisallowedProperties(conf, DISALLOWED_USER_PROPERTIES);
// Resolving all variables in the job properties.
// This ensures the Hadoop Configuration semantics is preserved.
XConfiguration resolvedVarsConf = new XConfiguration();
for (Map.Entry<String, String> entry : conf) {
resolvedVarsConf.set(entry.getKey(), conf.get(entry.getKey()));
}
conf = resolvedVarsConf;
} catch (IOException e) {
throw new CommandException(
ErrorCode.E0702,
e.getMessage() + " : Problem reading default config " + configDefault,
e);
} catch (HadoopAccessorException e) {
throw new CommandException(e);
}
LOG.debug("Merged CONF :" + XmlUtils.prettyPrint(conf).toString());
}
private LogChangesConfiguration loadConf() throws ServiceException {
XConfiguration configuration;
try {
InputStream inputStream = getDefaultConfiguration();
configuration = loadConfig(inputStream, true);
File file = new File(configFile);
if (!file.exists()) {
log.info("Missing site configuration file [{0}]", configFile);
} else {
inputStream = new FileInputStream(configFile);
XConfiguration siteConfiguration = loadConfig(inputStream, false);
XConfiguration.injectDefaults(configuration, siteConfiguration);
configuration = siteConfiguration;
}
} catch (IOException ex) {
throw new ServiceException(ErrorCode.E0024, configFile, ex.getMessage(), ex);
}
if (log.isTraceEnabled()) {
try {
StringWriter writer = new StringWriter();
for (Map.Entry<String, String> entry : configuration) {
String value = getValue(configuration, entry.getKey());
writer.write(" " + entry.getKey() + " = " + value + "\n");
}
writer.close();
log.trace("Configuration:\n{0}---", writer.toString());
} catch (IOException ex) {
throw new ServiceException(ErrorCode.E0025, ex.getMessage(), ex);
}
}
String[] ignoreSysProps = configuration.getStrings(CONF_IGNORE_SYS_PROPS);
if (ignoreSysProps != null) {
IGNORE_SYS_PROPS.addAll(Arrays.asList(ignoreSysProps));
}
for (Map.Entry<String, String> entry : configuration) {
String sysValue = System.getProperty(entry.getKey());
if (sysValue != null && !IGNORE_SYS_PROPS.contains(entry.getKey())) {
log.info("Configuration change via System Property, [{0}]=[{1}]", entry.getKey(), sysValue);
configuration.set(entry.getKey(), sysValue);
}
}
for (Map.Entry<Object, Object> entry : System.getProperties().entrySet()) {
String name = (String) entry.getKey();
if (!IGNORE_SYS_PROPS.contains(name)) {
if (name.startsWith("oozie.") && !name.startsWith(IGNORE_TEST_SYS_PROPS)) {
if (configuration.get(name) == null) {
log.warn("System property [{0}] no defined in Oozie configuration, ignored", name);
}
}
}
}
// Backward compatible, we should still support -Dparam.
for (String key : CONF_SYS_PROPS) {
String sysValue = System.getProperty(key);
if (sysValue != null && !IGNORE_SYS_PROPS.contains(key)) {
log.info(
"Overriding configuration with system property. Key [{0}], Value [{1}] ",
key, sysValue);
configuration.set(key, sysValue);
}
}
return new LogChangesConfiguration(configuration);
}