@Override
public synchronized void serviceInit(Configuration conf) throws Exception {
if (rmContext.isHAEnabled()) {
autoFailoverEnabled = HAUtil.isAutomaticFailoverEnabled(conf);
}
masterServiceAddress =
conf.getSocketAddr(
YarnConfiguration.RM_ADMIN_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADMIN_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADMIN_PORT);
adminAcl =
new AccessControlList(
conf.get(YarnConfiguration.YARN_ADMIN_ACL, YarnConfiguration.DEFAULT_YARN_ADMIN_ACL));
rmId = conf.get(YarnConfiguration.RM_HA_ID);
super.serviceInit(conf);
}
@Test
public void testRMHAWithFileSystemBasedConfiguration() throws IOException, YarnException {
StateChangeRequestInfo requestInfo =
new StateChangeRequestInfo(HAServiceProtocol.RequestSource.REQUEST_BY_USER);
configuration.set(
YarnConfiguration.RM_CONFIGURATION_PROVIDER_CLASS,
"org.apache.hadoop.yarn.FileSystemBasedConfigurationProvider");
configuration.setBoolean(YarnConfiguration.RM_HA_ENABLED, true);
configuration.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, false);
configuration.set(YarnConfiguration.RM_HA_IDS, "rm1,rm2");
int base = 100;
for (String confKey : YarnConfiguration.getServiceAddressConfKeys(configuration)) {
configuration.set(HAUtil.addSuffix(confKey, "rm1"), "0.0.0.0:" + (base + 20));
configuration.set(HAUtil.addSuffix(confKey, "rm2"), "0.0.0.0:" + (base + 40));
base = base * 2;
}
Configuration conf1 = new Configuration(configuration);
conf1.set(YarnConfiguration.RM_HA_ID, "rm1");
Configuration conf2 = new Configuration(configuration);
conf2.set(YarnConfiguration.RM_HA_ID, "rm2");
// upload default configurations
uploadDefaultConfiguration();
MockRM rm1 = null;
MockRM rm2 = null;
try {
rm1 = new MockRM(conf1);
rm1.init(conf1);
rm1.start();
Assert.assertTrue(rm1.getRMContext().getHAServiceState() == HAServiceState.STANDBY);
rm2 = new MockRM(conf2);
rm2.init(conf1);
rm2.start();
Assert.assertTrue(rm2.getRMContext().getHAServiceState() == HAServiceState.STANDBY);
rm1.adminService.transitionToActive(requestInfo);
Assert.assertTrue(rm1.getRMContext().getHAServiceState() == HAServiceState.ACTIVE);
CapacitySchedulerConfiguration csConf = new CapacitySchedulerConfiguration();
csConf.set("yarn.scheduler.capacity.maximum-applications", "5000");
uploadConfiguration(csConf, "capacity-scheduler.xml");
rm1.adminService.refreshQueues(RefreshQueuesRequest.newInstance());
int maxApps =
((CapacityScheduler) rm1.getRMContext().getScheduler())
.getConfiguration()
.getMaximumSystemApplications();
Assert.assertEquals(maxApps, 5000);
// Before failover happens, the maxApps is
// still the default value on the standby rm : rm2
int maxAppsBeforeFailOver =
((CapacityScheduler) rm2.getRMContext().getScheduler())
.getConfiguration()
.getMaximumSystemApplications();
Assert.assertEquals(maxAppsBeforeFailOver, 10000);
// Do the failover
rm1.adminService.transitionToStandby(requestInfo);
rm2.adminService.transitionToActive(requestInfo);
Assert.assertTrue(rm1.getRMContext().getHAServiceState() == HAServiceState.STANDBY);
Assert.assertTrue(rm2.getRMContext().getHAServiceState() == HAServiceState.ACTIVE);
int maxAppsAfter =
((CapacityScheduler) rm2.getRMContext().getScheduler())
.getConfiguration()
.getMaximumSystemApplications();
Assert.assertEquals(maxAppsAfter, 5000);
} finally {
if (rm1 != null) {
rm1.stop();
}
if (rm2 != null) {
rm2.stop();
}
}
}