/// <exception cref="System.IO.IOException"/>
public override NMStateStoreService.RecoveredNMTokensState LoadNMTokensState()
{
lock (this)
{
// return a copy so caller can't modify our state
NMStateStoreService.RecoveredNMTokensState result = new NMStateStoreService.RecoveredNMTokensState
();
result.currentMasterKey = nmTokenState.currentMasterKey;
result.previousMasterKey = nmTokenState.previousMasterKey;
result.applicationMasterKeys = new Dictionary <ApplicationAttemptId, MasterKey>(nmTokenState
.applicationMasterKeys);
return(result);
}
}
protected internal override void InitStorage(Configuration conf)
{
apps = new Dictionary <ApplicationId, YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto
>();
finishedApps = new HashSet <ApplicationId>();
containerStates = new Dictionary <ContainerId, NMStateStoreService.RecoveredContainerState
>();
nmTokenState = new NMStateStoreService.RecoveredNMTokensState();
nmTokenState.applicationMasterKeys = new Dictionary <ApplicationAttemptId, MasterKey
>();
containerTokenState = new NMStateStoreService.RecoveredContainerTokensState();
containerTokenState.activeTokens = new Dictionary <ContainerId, long>();
trackerStates = new Dictionary <NMMemoryStateStoreService.TrackerKey, NMMemoryStateStoreService.TrackerState
>();
deleteTasks = new Dictionary <int, YarnServerNodemanagerRecoveryProtos.DeletionServiceDeleteTaskProto
>();
logDeleterState = new Dictionary <ApplicationId, YarnServerNodemanagerRecoveryProtos.LogDeleterProto
>();
}
/// <exception cref="System.IO.IOException"/>
public override NMStateStoreService.RecoveredNMTokensState LoadNMTokensState()
{
NMStateStoreService.RecoveredNMTokensState state = new NMStateStoreService.RecoveredNMTokensState
();
state.applicationMasterKeys = new Dictionary <ApplicationAttemptId, MasterKey>();
LeveldbIterator iter = null;
try
{
iter = new LeveldbIterator(db);
iter.Seek(JniDBFactory.Bytes(NmTokensKeyPrefix));
while (iter.HasNext())
{
KeyValuePair <byte[], byte[]> entry = iter.Next();
string fullKey = JniDBFactory.AsString(entry.Key);
if (!fullKey.StartsWith(NmTokensKeyPrefix))
{
break;
}
string key = Sharpen.Runtime.Substring(fullKey, NmTokensKeyPrefix.Length);
if (key.Equals(CurrentMasterKeySuffix))
{
state.currentMasterKey = ParseMasterKey(entry.Value);
}
else
{
if (key.Equals(PrevMasterKeySuffix))
{
state.previousMasterKey = ParseMasterKey(entry.Value);
}
else
{
if (key.StartsWith(ApplicationAttemptId.appAttemptIdStrPrefix))
{
ApplicationAttemptId attempt;
try
{
attempt = ConverterUtils.ToApplicationAttemptId(key);
}
catch (ArgumentException e)
{
throw new IOException("Bad application master key state for " + fullKey, e);
}
state.applicationMasterKeys[attempt] = ParseMasterKey(entry.Value);
}
}
}
}
}
catch (DBException e)
{
throw new IOException(e);
}
finally
{
if (iter != null)
{
iter.Close();
}
}
return(state);
}