/**
* This is a validation of the application configuration on the AM. Here is where things like the
* existence of keytabs and other not-seen-client-side properties can be tested, before the actual
* process is spawned.
*
* @param instanceDefinition clusterSpecification
* @param confDir configuration directory
* @param secure flag to indicate that secure mode checks must exist
* @throws IOException IO problemsn
* @throws SliderException any failure
*/
@Override
public void validateApplicationConfiguration(
AggregateConf instanceDefinition, File confDir, boolean secure)
throws IOException, SliderException {
String siteXMLFilename = SITE_XML;
File siteXML = new File(confDir, siteXMLFilename);
if (!siteXML.exists()) {
throw new BadCommandArgumentsException(
"Configuration directory %s doesn't contain %s - listing is %s",
confDir, siteXMLFilename, SliderUtils.listDir(confDir));
}
// now read it in
siteConf = ConfigHelper.loadConfFromFile(siteXML);
// look in the site spec to see that it is OK
clientProvider.validateHBaseSiteXML(siteConf, secure, siteXMLFilename);
if (secure) {
// secure mode: take a look at the keytab of master and RS
SliderUtils.verifyKeytabExists(siteConf, HBaseConfigFileOptions.KEY_MASTER_KERBEROS_KEYTAB);
SliderUtils.verifyKeytabExists(
siteConf, HBaseConfigFileOptions.KEY_REGIONSERVER_KERBEROS_KEYTAB);
}
}
