private RMDelegationTokenIdentifierData loadDelegationToken(byte[] data) throws IOException {
RMDelegationTokenIdentifierData tokenData = new RMDelegationTokenIdentifierData();
DataInputStream in = new DataInputStream(new ByteArrayInputStream(data));
try {
tokenData.readFields(in);
} finally {
IOUtils.cleanup(LOG, in);
}
return tokenData;
}
private void loadRMDTSecretManagerState(RMState rmState) throws Exception {
checkAndResumeUpdateOperation(rmDTSecretManagerRoot);
FileStatus[] childNodes = listStatusWithRetries(rmDTSecretManagerRoot);
for (FileStatus childNodeStatus : childNodes) {
assert childNodeStatus.isFile();
String childNodeName = childNodeStatus.getPath().getName();
if (checkAndRemovePartialRecordWithRetries(childNodeStatus.getPath())) {
continue;
}
if (childNodeName.startsWith(DELEGATION_TOKEN_SEQUENCE_NUMBER_PREFIX)) {
rmState.rmSecretManagerState.dtSequenceNumber =
Integer.parseInt(childNodeName.split("_")[1]);
continue;
}
Path childNodePath = getNodePath(rmDTSecretManagerRoot, childNodeName);
byte[] childData = readFileWithRetries(childNodePath, childNodeStatus.getLen());
ByteArrayInputStream is = new ByteArrayInputStream(childData);
try (DataInputStream fsIn = new DataInputStream(is)) {
if (childNodeName.startsWith(DELEGATION_KEY_PREFIX)) {
DelegationKey key = new DelegationKey();
key.readFields(fsIn);
rmState.rmSecretManagerState.masterKeyState.add(key);
if (LOG.isDebugEnabled()) {
LOG.debug(
"Loaded delegation key: keyId="
+ key.getKeyId()
+ ", expirationDate="
+ key.getExpiryDate());
}
} else if (childNodeName.startsWith(DELEGATION_TOKEN_PREFIX)) {
RMDelegationTokenIdentifierData identifierData = new RMDelegationTokenIdentifierData();
identifierData.readFields(fsIn);
RMDelegationTokenIdentifier identifier = identifierData.getTokenIdentifier();
long renewDate = identifierData.getRenewDate();
rmState.rmSecretManagerState.delegationTokenState.put(identifier, renewDate);
if (LOG.isDebugEnabled()) {
LOG.debug(
"Loaded RMDelegationTokenIdentifier: " + identifier + " renewDate=" + renewDate);
}
} else {
LOG.warn("Unknown file for recovering RMDelegationTokenSecretManager");
}
}
}
}