@Test(timeout = 15000)
public void testRemoveExpiredMasterKeyInRMStateStore() throws Exception {
MemoryRMStateStore memStore = new MemoryRMStateStore();
memStore.init(conf);
RMState rmState = memStore.getState();
Set<DelegationKey> rmDTMasterKeyState = rmState.getRMDTSecretManagerState().getMasterKeyState();
MockRM rm1 = new MyMockRM(conf, memStore);
rm1.start();
RMDelegationTokenSecretManager dtSecretManager = rm1.getRMDTSecretManager();
// assert all master keys are saved
Assert.assertEquals(dtSecretManager.getAllMasterKeys(), rmDTMasterKeyState);
Set<DelegationKey> expiringKeys = new HashSet<DelegationKey>();
expiringKeys.addAll(dtSecretManager.getAllMasterKeys());
// wait for expiringKeys to expire
while (true) {
boolean allExpired = true;
for (DelegationKey key : expiringKeys) {
if (rmDTMasterKeyState.contains(key)) {
allExpired = false;
}
}
if (allExpired) break;
Thread.sleep(500);
}
}
@Test(timeout = 15000)
public void testRMDTMasterKeyStateOnRollingMasterKey() throws Exception {
MemoryRMStateStore memStore = new MemoryRMStateStore();
memStore.init(conf);
RMState rmState = memStore.getState();
Map<RMDelegationTokenIdentifier, Long> rmDTState =
rmState.getRMDTSecretManagerState().getTokenState();
Set<DelegationKey> rmDTMasterKeyState = rmState.getRMDTSecretManagerState().getMasterKeyState();
MockRM rm1 = new MyMockRM(conf, memStore);
rm1.start();
// on rm start, two master keys are created.
// One is created at RMDTSecretMgr.startThreads.updateCurrentKey();
// the other is created on the first run of
// tokenRemoverThread.rollMasterKey()
RMDelegationTokenSecretManager dtSecretManager = rm1.getRMDTSecretManager();
// assert all master keys are saved
Assert.assertEquals(dtSecretManager.getAllMasterKeys(), rmDTMasterKeyState);
Set<DelegationKey> expiringKeys = new HashSet<DelegationKey>();
expiringKeys.addAll(dtSecretManager.getAllMasterKeys());
// record the current key
DelegationKey oldCurrentKey =
((TestRMDelegationTokenSecretManager) dtSecretManager).getCurrentKey();
// request to generate a RMDelegationToken
GetDelegationTokenRequest request = mock(GetDelegationTokenRequest.class);
when(request.getRenewer()).thenReturn("renewer1");
GetDelegationTokenResponse response = rm1.getClientRMService().getDelegationToken(request);
org.apache.hadoop.yarn.api.records.Token delegationToken = response.getRMDelegationToken();
Token<RMDelegationTokenIdentifier> token1 =
ConverterUtils.convertFromYarn(delegationToken, null);
RMDelegationTokenIdentifier dtId1 = token1.decodeIdentifier();
// wait for the first rollMasterKey
while (((TestRMDelegationTokenSecretManager) dtSecretManager).numUpdatedKeys.get() < 1) {
Thread.sleep(200);
}
// assert old-current-key and new-current-key exist
Assert.assertTrue(rmDTMasterKeyState.contains(oldCurrentKey));
DelegationKey newCurrentKey =
((TestRMDelegationTokenSecretManager) dtSecretManager).getCurrentKey();
Assert.assertTrue(rmDTMasterKeyState.contains(newCurrentKey));
// wait for token to expire
// rollMasterKey is called every 1 second.
while (((TestRMDelegationTokenSecretManager) dtSecretManager).numUpdatedKeys.get() < 6) {
Thread.sleep(200);
}
Assert.assertFalse(rmDTState.containsKey(dtId1));
rm1.stop();
}
@Override
public void recover(RMState state) throws Exception {
RMStateStore store = rmContext.getStateStore();
assert store != null;
// recover applications
Map<ApplicationId, ApplicationState> appStates = state.getApplicationState();
LOG.info("Recovering " + appStates.size() + " applications");
for (ApplicationState appState : appStates.values()) {
recoverApplication(appState, state);
}
}