protected void login() {
ClassLoader prevCl = Thread.currentThread().getContextClassLoader();
String errMsg =
" You can still save the repository and start creating "
+ "policies, but you would not be able to use autocomplete for "
+ "resource names. Check xa_portal.log for more info.";
try {
// Thread.currentThread().setContextClassLoader(configHolder.getClassLoader());
String userName = configHolder.getUserName();
if (userName == null) {
String msgDesc =
"Unable to find login username for hadoop environment, [" + serviceName + "]";
HadoopException hdpException = new HadoopException(msgDesc);
hdpException.generateResponseDataMap(false, msgDesc + errMsg, msgDesc + errMsg, null, null);
throw hdpException;
}
String keyTabFile = configHolder.getKeyTabFile();
if (keyTabFile != null) {
if (configHolder.isKerberosAuthentication()) {
LOG.info("Init Login: security enabled, using username/keytab");
loginSubject = SecureClientLogin.loginUserFromKeytab(userName, keyTabFile);
} else {
LOG.info("Init Login: using username");
loginSubject = SecureClientLogin.login(userName);
}
} else {
String password = configHolder.getPassword();
if (configHolder.isKerberosAuthentication()) {
LOG.info("Init Login: using username/password");
loginSubject = SecureClientLogin.loginUserWithPassword(userName, password);
} else {
LOG.info("Init Login: security not enabled, using username");
loginSubject = SecureClientLogin.login(userName);
}
}
} catch (IOException ioe) {
String msgDesc = "Unable to login to Hadoop environment [" + serviceName + "]";
HadoopException hdpException = new HadoopException(msgDesc, ioe);
hdpException.generateResponseDataMap(
false, getMessage(ioe) + errMsg, msgDesc + errMsg, null, null);
throw hdpException;
} catch (SecurityException se) {
String msgDesc = "Unable to login to Hadoop environment [" + serviceName + "]";
HadoopException hdpException = new HadoopException(msgDesc, se);
hdpException.generateResponseDataMap(
false, getMessage(se) + errMsg, msgDesc + errMsg, null, null);
throw hdpException;
} finally {
Thread.currentThread().setContextClassLoader(prevCl);
}
}
