org.apache.hadoop.util.ZKUtil Java Examples
The following examples show how to use
org.apache.hadoop.util.ZKUtil.
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Example #1
| Source File: RMZKUtils.java From hadoop with Apache License 2.0 | 6 votes |
|
/**
* Utility method to fetch ZK auth info from the configuration
*/
public static List<ZKUtil.ZKAuthInfo> getZKAuths(Configuration conf)
throws Exception {
String zkAuthConf = conf.get(YarnConfiguration.RM_ZK_AUTH);
try {
zkAuthConf = ZKUtil.resolveConfIndirection(zkAuthConf);
if (zkAuthConf != null) {
return ZKUtil.parseAuth(zkAuthConf);
} else {
return Collections.emptyList();
}
} catch (Exception e) {
LOG.error("Couldn't read Auth based on " + YarnConfiguration.RM_ZK_AUTH);
throw e;
}
}
Example #2
| Source File: ZKRMStateStore.java From hadoop with Apache License 2.0 | 6 votes |
|
/**
* Given the {@link Configuration} and {@link ACL}s used (zkAcl) for
* ZooKeeper access, construct the {@link ACL}s for the store's root node.
* In the constructed {@link ACL}, all the users allowed by zkAcl are given
* rwa access, while the current RM has exclude create-delete access.
*
* To be called only when HA is enabled and the configuration doesn't set ACL
* for the root node.
*/
@VisibleForTesting
@Private
@Unstable
protected List<ACL> constructZkRootNodeACL(
Configuration conf, List<ACL> sourceACLs) throws NoSuchAlgorithmException {
List<ACL> zkRootNodeAcl = new ArrayList<ACL>();
for (ACL acl : sourceACLs) {
zkRootNodeAcl.add(new ACL(
ZKUtil.removeSpecificPerms(acl.getPerms(), CREATE_DELETE_PERMS),
acl.getId()));
}
zkRootNodeUsername = HAUtil.getConfValueForRMInstance(
YarnConfiguration.RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADDRESS, conf);
Id rmId = new Id(zkRootNodeAuthScheme,
DigestAuthenticationProvider.generateDigest(
zkRootNodeUsername + ":" + zkRootNodePassword));
zkRootNodeAcl.add(new ACL(CREATE_DELETE_PERMS, rmId));
return zkRootNodeAcl;
}
Example #3
| Source File: TestZKRMStateStoreZKClientConnections.java From big-c with Apache License 2.0 | 6 votes |
|
@Test(timeout = 20000)
public void testInvalidZKAclConfiguration() {
TestZKClient zkClientTester = new TestZKClient();
YarnConfiguration conf = new YarnConfiguration();
conf.set(YarnConfiguration.RM_ZK_ACL, "randomstring&*");
try {
zkClientTester.getRMStateStore(conf);
fail("ZKRMStateStore created with bad ACL");
} catch (ZKUtil.BadAclFormatException bafe) {
// expected behavior
} catch (Exception e) {
String error = "Incorrect exception on BadAclFormat";
LOG.error(error, e);
fail(error);
}
}
Example #4
| Source File: TestZKRMStateStoreZKClientConnections.java From hadoop with Apache License 2.0 | 6 votes |
|
@Test(timeout = 20000)
public void testInvalidZKAclConfiguration() {
TestZKClient zkClientTester = new TestZKClient();
YarnConfiguration conf = new YarnConfiguration();
conf.set(YarnConfiguration.RM_ZK_ACL, "randomstring&*");
try {
zkClientTester.getRMStateStore(conf);
fail("ZKRMStateStore created with bad ACL");
} catch (ZKUtil.BadAclFormatException bafe) {
// expected behavior
} catch (Exception e) {
String error = "Incorrect exception on BadAclFormat";
LOG.error(error, e);
fail(error);
}
}
Example #5
| Source File: ZKRMStateStore.java From big-c with Apache License 2.0 | 6 votes |
|
/**
* Given the {@link Configuration} and {@link ACL}s used (zkAcl) for
* ZooKeeper access, construct the {@link ACL}s for the store's root node.
* In the constructed {@link ACL}, all the users allowed by zkAcl are given
* rwa access, while the current RM has exclude create-delete access.
*
* To be called only when HA is enabled and the configuration doesn't set ACL
* for the root node.
*/
@VisibleForTesting
@Private
@Unstable
protected List<ACL> constructZkRootNodeACL(
Configuration conf, List<ACL> sourceACLs) throws NoSuchAlgorithmException {
List<ACL> zkRootNodeAcl = new ArrayList<ACL>();
for (ACL acl : sourceACLs) {
zkRootNodeAcl.add(new ACL(
ZKUtil.removeSpecificPerms(acl.getPerms(), CREATE_DELETE_PERMS),
acl.getId()));
}
zkRootNodeUsername = HAUtil.getConfValueForRMInstance(
YarnConfiguration.RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADDRESS, conf);
Id rmId = new Id(zkRootNodeAuthScheme,
DigestAuthenticationProvider.generateDigest(
zkRootNodeUsername + ":" + zkRootNodePassword));
zkRootNodeAcl.add(new ACL(CREATE_DELETE_PERMS, rmId));
return zkRootNodeAcl;
}
Example #6
| Source File: RMZKUtils.java From big-c with Apache License 2.0 | 6 votes |
|
/**
* Utility method to fetch ZK auth info from the configuration
*/
public static List<ZKUtil.ZKAuthInfo> getZKAuths(Configuration conf)
throws Exception {
String zkAuthConf = conf.get(YarnConfiguration.RM_ZK_AUTH);
try {
zkAuthConf = ZKUtil.resolveConfIndirection(zkAuthConf);
if (zkAuthConf != null) {
return ZKUtil.parseAuth(zkAuthConf);
} else {
return Collections.emptyList();
}
} catch (Exception e) {
LOG.error("Couldn't read Auth based on " + YarnConfiguration.RM_ZK_AUTH);
throw e;
}
}
Example #7
| Source File: EmbeddedElectorService.java From big-c with Apache License 2.0 | 5 votes |
|
@Override
protected void serviceInit(Configuration conf)
throws Exception {
conf = conf instanceof YarnConfiguration ? conf : new YarnConfiguration(conf);
String zkQuorum = conf.get(YarnConfiguration.RM_ZK_ADDRESS);
if (zkQuorum == null) {
throw new YarnRuntimeException("Embedded automatic failover " +
"is enabled, but " + YarnConfiguration.RM_ZK_ADDRESS +
" is not set");
}
String rmId = HAUtil.getRMHAId(conf);
String clusterId = YarnConfiguration.getClusterId(conf);
localActiveNodeInfo = createActiveNodeInfo(clusterId, rmId);
String zkBasePath = conf.get(YarnConfiguration.AUTO_FAILOVER_ZK_BASE_PATH,
YarnConfiguration.DEFAULT_AUTO_FAILOVER_ZK_BASE_PATH);
String electionZNode = zkBasePath + "/" + clusterId;
long zkSessionTimeout = conf.getLong(YarnConfiguration.RM_ZK_TIMEOUT_MS,
YarnConfiguration.DEFAULT_RM_ZK_TIMEOUT_MS);
List<ACL> zkAcls = RMZKUtils.getZKAcls(conf);
List<ZKUtil.ZKAuthInfo> zkAuths = RMZKUtils.getZKAuths(conf);
int maxRetryNum = conf.getInt(
CommonConfigurationKeys.HA_FC_ELECTOR_ZK_OP_RETRIES_KEY,
CommonConfigurationKeys.HA_FC_ELECTOR_ZK_OP_RETRIES_DEFAULT);
elector = new ActiveStandbyElector(zkQuorum, (int) zkSessionTimeout,
electionZNode, zkAcls, zkAuths, this, maxRetryNum);
elector.ensureParentZNode();
if (!isParentZnodeSafe(clusterId)) {
notifyFatalError(electionZNode + " znode has invalid data! "+
"Might need formatting!");
}
super.serviceInit(conf);
}
Example #8
| Source File: ZookeeperAclBuilder.java From kylin with Apache License 2.0 | 5 votes |
|
public static List<ACL> getZKAcls() throws Exception {
// Parse ACLs from configuration.
String zkAclConf = KylinConfig.getInstanceFromEnv().getZKAcls();
try {
zkAclConf = ZKUtil.resolveConfIndirection(zkAclConf);
return ZKUtil.parseACLs(zkAclConf);
} catch (Exception e) {
logger.error("Couldn't read ACLs based on 'kylin.env.zookeeper.zk-acl' in kylin.properties");
throw e;
}
}
Example #9
| Source File: ZookeeperAclBuilder.java From kylin with Apache License 2.0 | 5 votes |
|
public static List<ZKUtil.ZKAuthInfo> getZKAuths() throws Exception {
// Parse Auths from configuration.
String zkAuthConf = KylinConfig.getInstanceFromEnv().getZKAuths();
try {
zkAuthConf = ZKUtil.resolveConfIndirection(zkAuthConf);
if (zkAuthConf != null) {
return ZKUtil.parseAuth(zkAuthConf);
} else {
return Collections.emptyList();
}
} catch (Exception e) {
logger.error("Couldn't read Auth based on 'kylin.env.zookeeper.zk-auth' in kylin.properties");
throw e;
}
}
Example #10
| Source File: ZKFailoverController.java From big-c with Apache License 2.0 | 5 votes |
|
private void initZK() throws HadoopIllegalArgumentException, IOException,
KeeperException {
zkQuorum = conf.get(ZK_QUORUM_KEY);
int zkTimeout = conf.getInt(ZK_SESSION_TIMEOUT_KEY,
ZK_SESSION_TIMEOUT_DEFAULT);
// Parse ACLs from configuration.
String zkAclConf = conf.get(ZK_ACL_KEY, ZK_ACL_DEFAULT);
zkAclConf = ZKUtil.resolveConfIndirection(zkAclConf);
List<ACL> zkAcls = ZKUtil.parseACLs(zkAclConf);
if (zkAcls.isEmpty()) {
zkAcls = Ids.CREATOR_ALL_ACL;
}
// Parse authentication from configuration.
String zkAuthConf = conf.get(ZK_AUTH_KEY);
zkAuthConf = ZKUtil.resolveConfIndirection(zkAuthConf);
List<ZKAuthInfo> zkAuths;
if (zkAuthConf != null) {
zkAuths = ZKUtil.parseAuth(zkAuthConf);
} else {
zkAuths = Collections.emptyList();
}
// Sanity check configuration.
Preconditions.checkArgument(zkQuorum != null,
"Missing required configuration '%s' for ZooKeeper quorum",
ZK_QUORUM_KEY);
Preconditions.checkArgument(zkTimeout > 0,
"Invalid ZK session timeout %s", zkTimeout);
int maxRetryNum = conf.getInt(
CommonConfigurationKeys.HA_FC_ELECTOR_ZK_OP_RETRIES_KEY,
CommonConfigurationKeys.HA_FC_ELECTOR_ZK_OP_RETRIES_DEFAULT);
elector = new ActiveStandbyElector(zkQuorum,
zkTimeout, getParentZnode(), zkAcls, zkAuths,
new ElectorCallbacks(), maxRetryNum);
}
Example #11
| Source File: RegistrySecurity.java From big-c with Apache License 2.0 | 5 votes |
|
/**
* Parse an ACL list. This includes configuration indirection
* {@link ZKUtil#resolveConfIndirection(String)}
* @param zkAclConf configuration string
* @return an ACL list
* @throws IOException on a bad ACL parse
*/
public List<ACL> parseACLs(String zkAclConf) throws IOException {
try {
return ZKUtil.parseACLs(ZKUtil.resolveConfIndirection(zkAclConf));
} catch (ZKUtil.BadAclFormatException e) {
throw new IOException("Parsing " + zkAclConf + " :" + e, e);
}
}
Example #12
| Source File: ZKRMStateStore.java From big-c with Apache License 2.0 | 5 votes |
|
private synchronized void createConnection()
throws IOException, InterruptedException {
closeZkClients();
for (int retries = 0; retries < numRetries && zkClient == null;
retries++) {
try {
activeZkClient = getNewZooKeeper();
zkClient = activeZkClient;
for (ZKUtil.ZKAuthInfo zkAuth : zkAuths) {
zkClient.addAuthInfo(zkAuth.getScheme(), zkAuth.getAuth());
}
if (useDefaultFencingScheme) {
zkClient.addAuthInfo(zkRootNodeAuthScheme,
(zkRootNodeUsername + ":" + zkRootNodePassword).getBytes(Charset.forName("UTF-8")));
}
} catch (IOException ioe) {
// Retry in case of network failures
LOG.info("Failed to connect to the ZooKeeper on attempt - " +
(retries + 1));
ioe.printStackTrace();
}
}
if (zkClient == null) {
LOG.error("Unable to connect to Zookeeper");
throw new YarnRuntimeException("Unable to connect to Zookeeper");
}
ZKRMStateStore.this.notifyAll();
LOG.info("Created new ZK connection");
}
Example #13
| Source File: RMZKUtils.java From big-c with Apache License 2.0 | 5 votes |
|
/**
* Utility method to fetch the ZK ACLs from the configuration
*/
public static List<ACL> getZKAcls(Configuration conf) throws Exception {
// Parse authentication from configuration.
String zkAclConf =
conf.get(YarnConfiguration.RM_ZK_ACL,
YarnConfiguration.DEFAULT_RM_ZK_ACL);
try {
zkAclConf = ZKUtil.resolveConfIndirection(zkAclConf);
return ZKUtil.parseACLs(zkAclConf);
} catch (Exception e) {
LOG.error("Couldn't read ACLs based on " + YarnConfiguration.RM_ZK_ACL);
throw e;
}
}
Example #14
| Source File: ZookeeperAclBuilder.java From kylin-on-parquet-v2 with Apache License 2.0 | 5 votes |
|
public static List<ZKUtil.ZKAuthInfo> getZKAuths() throws Exception {
// Parse Auths from configuration.
String zkAuthConf = KylinConfig.getInstanceFromEnv().getZKAuths();
try {
zkAuthConf = ZKUtil.resolveConfIndirection(zkAuthConf);
if (zkAuthConf != null) {
return ZKUtil.parseAuth(zkAuthConf);
} else {
return Collections.emptyList();
}
} catch (Exception e) {
logger.error("Couldn't read Auth based on 'kylin.env.zookeeper.zk-auth' in kylin.properties");
throw e;
}
}
Example #15
| Source File: ZKFailoverController.java From hadoop with Apache License 2.0 | 5 votes |
|
private void initZK() throws HadoopIllegalArgumentException, IOException,
KeeperException {
zkQuorum = conf.get(ZK_QUORUM_KEY);
int zkTimeout = conf.getInt(ZK_SESSION_TIMEOUT_KEY,
ZK_SESSION_TIMEOUT_DEFAULT);
// Parse ACLs from configuration.
String zkAclConf = conf.get(ZK_ACL_KEY, ZK_ACL_DEFAULT);
zkAclConf = ZKUtil.resolveConfIndirection(zkAclConf);
List<ACL> zkAcls = ZKUtil.parseACLs(zkAclConf);
if (zkAcls.isEmpty()) {
zkAcls = Ids.CREATOR_ALL_ACL;
}
// Parse authentication from configuration.
String zkAuthConf = conf.get(ZK_AUTH_KEY);
zkAuthConf = ZKUtil.resolveConfIndirection(zkAuthConf);
List<ZKAuthInfo> zkAuths;
if (zkAuthConf != null) {
zkAuths = ZKUtil.parseAuth(zkAuthConf);
} else {
zkAuths = Collections.emptyList();
}
// Sanity check configuration.
Preconditions.checkArgument(zkQuorum != null,
"Missing required configuration '%s' for ZooKeeper quorum",
ZK_QUORUM_KEY);
Preconditions.checkArgument(zkTimeout > 0,
"Invalid ZK session timeout %s", zkTimeout);
int maxRetryNum = conf.getInt(
CommonConfigurationKeys.HA_FC_ELECTOR_ZK_OP_RETRIES_KEY,
CommonConfigurationKeys.HA_FC_ELECTOR_ZK_OP_RETRIES_DEFAULT);
elector = new ActiveStandbyElector(zkQuorum,
zkTimeout, getParentZnode(), zkAcls, zkAuths,
new ElectorCallbacks(), maxRetryNum);
}
Example #16
| Source File: RegistrySecurity.java From hadoop with Apache License 2.0 | 5 votes |
|
/**
* Parse an ACL list. This includes configuration indirection
* {@link ZKUtil#resolveConfIndirection(String)}
* @param zkAclConf configuration string
* @return an ACL list
* @throws IOException on a bad ACL parse
*/
public List<ACL> parseACLs(String zkAclConf) throws IOException {
try {
return ZKUtil.parseACLs(ZKUtil.resolveConfIndirection(zkAclConf));
} catch (ZKUtil.BadAclFormatException e) {
throw new IOException("Parsing " + zkAclConf + " :" + e, e);
}
}
Example #17
| Source File: ZKRMStateStore.java From hadoop with Apache License 2.0 | 5 votes |
|
private synchronized void createConnection()
throws IOException, InterruptedException {
closeZkClients();
for (int retries = 0; retries < numRetries && zkClient == null;
retries++) {
try {
activeZkClient = getNewZooKeeper();
zkClient = activeZkClient;
for (ZKUtil.ZKAuthInfo zkAuth : zkAuths) {
zkClient.addAuthInfo(zkAuth.getScheme(), zkAuth.getAuth());
}
if (useDefaultFencingScheme) {
zkClient.addAuthInfo(zkRootNodeAuthScheme,
(zkRootNodeUsername + ":" + zkRootNodePassword).getBytes(Charset.forName("UTF-8")));
}
} catch (IOException ioe) {
// Retry in case of network failures
LOG.info("Failed to connect to the ZooKeeper on attempt - " +
(retries + 1));
ioe.printStackTrace();
}
}
if (zkClient == null) {
LOG.error("Unable to connect to Zookeeper");
throw new YarnRuntimeException("Unable to connect to Zookeeper");
}
ZKRMStateStore.this.notifyAll();
LOG.info("Created new ZK connection");
}
Example #18
| Source File: RMZKUtils.java From hadoop with Apache License 2.0 | 5 votes |
|
/**
* Utility method to fetch the ZK ACLs from the configuration
*/
public static List<ACL> getZKAcls(Configuration conf) throws Exception {
// Parse authentication from configuration.
String zkAclConf =
conf.get(YarnConfiguration.RM_ZK_ACL,
YarnConfiguration.DEFAULT_RM_ZK_ACL);
try {
zkAclConf = ZKUtil.resolveConfIndirection(zkAclConf);
return ZKUtil.parseACLs(zkAclConf);
} catch (Exception e) {
LOG.error("Couldn't read ACLs based on " + YarnConfiguration.RM_ZK_ACL);
throw e;
}
}
Example #19
| Source File: EmbeddedElectorService.java From hadoop with Apache License 2.0 | 5 votes |
|
@Override
protected void serviceInit(Configuration conf)
throws Exception {
conf = conf instanceof YarnConfiguration ? conf : new YarnConfiguration(conf);
String zkQuorum = conf.get(YarnConfiguration.RM_ZK_ADDRESS);
if (zkQuorum == null) {
throw new YarnRuntimeException("Embedded automatic failover " +
"is enabled, but " + YarnConfiguration.RM_ZK_ADDRESS +
" is not set");
}
String rmId = HAUtil.getRMHAId(conf);
String clusterId = YarnConfiguration.getClusterId(conf);
localActiveNodeInfo = createActiveNodeInfo(clusterId, rmId);
String zkBasePath = conf.get(YarnConfiguration.AUTO_FAILOVER_ZK_BASE_PATH,
YarnConfiguration.DEFAULT_AUTO_FAILOVER_ZK_BASE_PATH);
String electionZNode = zkBasePath + "/" + clusterId;
long zkSessionTimeout = conf.getLong(YarnConfiguration.RM_ZK_TIMEOUT_MS,
YarnConfiguration.DEFAULT_RM_ZK_TIMEOUT_MS);
List<ACL> zkAcls = RMZKUtils.getZKAcls(conf);
List<ZKUtil.ZKAuthInfo> zkAuths = RMZKUtils.getZKAuths(conf);
int maxRetryNum = conf.getInt(
CommonConfigurationKeys.HA_FC_ELECTOR_ZK_OP_RETRIES_KEY,
CommonConfigurationKeys.HA_FC_ELECTOR_ZK_OP_RETRIES_DEFAULT);
elector = new ActiveStandbyElector(zkQuorum, (int) zkSessionTimeout,
electionZNode, zkAcls, zkAuths, this, maxRetryNum);
elector.ensureParentZNode();
if (!isParentZnodeSafe(clusterId)) {
notifyFatalError(electionZNode + " znode has invalid data! "+
"Might need formatting!");
}
super.serviceInit(conf);
}
Example #20
| Source File: ZookeeperAclBuilder.java From kylin-on-parquet-v2 with Apache License 2.0 | 5 votes |
|
public static List<ACL> getZKAcls() throws Exception {
// Parse ACLs from configuration.
String zkAclConf = KylinConfig.getInstanceFromEnv().getZKAcls();
try {
zkAclConf = ZKUtil.resolveConfIndirection(zkAclConf);
return ZKUtil.parseACLs(zkAclConf);
} catch (Exception e) {
logger.error("Couldn't read ACLs based on 'kylin.env.zookeeper.zk-acl' in kylin.properties");
throw e;
}
}
Example #21
| Source File: ZKRMStateStore.java From big-c with Apache License 2.0 | 4 votes |
|
@Override
public synchronized void initInternal(Configuration conf) throws Exception {
zkHostPort = conf.get(YarnConfiguration.RM_ZK_ADDRESS);
if (zkHostPort == null) {
throw new YarnRuntimeException("No server address specified for " +
"zookeeper state store for Resource Manager recovery. " +
YarnConfiguration.RM_ZK_ADDRESS + " is not configured.");
}
numRetries =
conf.getInt(YarnConfiguration.RM_ZK_NUM_RETRIES,
YarnConfiguration.DEFAULT_ZK_RM_NUM_RETRIES);
znodeWorkingPath =
conf.get(YarnConfiguration.ZK_RM_STATE_STORE_PARENT_PATH,
YarnConfiguration.DEFAULT_ZK_RM_STATE_STORE_PARENT_PATH);
zkSessionTimeout =
conf.getInt(YarnConfiguration.RM_ZK_TIMEOUT_MS,
YarnConfiguration.DEFAULT_RM_ZK_TIMEOUT_MS);
if (HAUtil.isHAEnabled(conf)) {
zkRetryInterval = zkSessionTimeout / numRetries;
} else {
zkRetryInterval =
conf.getLong(YarnConfiguration.RM_ZK_RETRY_INTERVAL_MS,
YarnConfiguration.DEFAULT_RM_ZK_RETRY_INTERVAL_MS);
}
zkResyncWaitTime = zkRetryInterval * numRetries;
zkAcl = RMZKUtils.getZKAcls(conf);
zkAuths = RMZKUtils.getZKAuths(conf);
zkRootNodePath = getNodePath(znodeWorkingPath, ROOT_ZNODE_NAME);
rmAppRoot = getNodePath(zkRootNodePath, RM_APP_ROOT);
/* Initialize fencing related paths, acls, and ops */
fencingNodePath = getNodePath(zkRootNodePath, FENCING_LOCK);
createFencingNodePathOp = Op.create(fencingNodePath, new byte[0], zkAcl,
CreateMode.PERSISTENT);
deleteFencingNodePathOp = Op.delete(fencingNodePath, -1);
if (HAUtil.isHAEnabled(conf)) {
String zkRootNodeAclConf = HAUtil.getConfValueForRMInstance
(YarnConfiguration.ZK_RM_STATE_STORE_ROOT_NODE_ACL, conf);
if (zkRootNodeAclConf != null) {
zkRootNodeAclConf = ZKUtil.resolveConfIndirection(zkRootNodeAclConf);
try {
zkRootNodeAcl = ZKUtil.parseACLs(zkRootNodeAclConf);
} catch (ZKUtil.BadAclFormatException bafe) {
LOG.error("Invalid format for " +
YarnConfiguration.ZK_RM_STATE_STORE_ROOT_NODE_ACL);
throw bafe;
}
} else {
useDefaultFencingScheme = true;
zkRootNodeAcl = constructZkRootNodeACL(conf, zkAcl);
}
}
rmDTSecretManagerRoot =
getNodePath(zkRootNodePath, RM_DT_SECRET_MANAGER_ROOT);
dtMasterKeysRootPath = getNodePath(rmDTSecretManagerRoot,
RM_DT_MASTER_KEYS_ROOT_ZNODE_NAME);
delegationTokensRootPath = getNodePath(rmDTSecretManagerRoot,
RM_DELEGATION_TOKENS_ROOT_ZNODE_NAME);
dtSequenceNumberPath = getNodePath(rmDTSecretManagerRoot,
RM_DT_SEQUENTIAL_NUMBER_ZNODE_NAME);
amrmTokenSecretManagerRoot =
getNodePath(zkRootNodePath, AMRMTOKEN_SECRET_MANAGER_ROOT);
}
Example #22
| Source File: ZKRMStateStore.java From hadoop with Apache License 2.0 | 4 votes |
|
@Override
public synchronized void initInternal(Configuration conf) throws Exception {
zkHostPort = conf.get(YarnConfiguration.RM_ZK_ADDRESS);
if (zkHostPort == null) {
throw new YarnRuntimeException("No server address specified for " +
"zookeeper state store for Resource Manager recovery. " +
YarnConfiguration.RM_ZK_ADDRESS + " is not configured.");
}
numRetries =
conf.getInt(YarnConfiguration.RM_ZK_NUM_RETRIES,
YarnConfiguration.DEFAULT_ZK_RM_NUM_RETRIES);
znodeWorkingPath =
conf.get(YarnConfiguration.ZK_RM_STATE_STORE_PARENT_PATH,
YarnConfiguration.DEFAULT_ZK_RM_STATE_STORE_PARENT_PATH);
zkSessionTimeout =
conf.getInt(YarnConfiguration.RM_ZK_TIMEOUT_MS,
YarnConfiguration.DEFAULT_RM_ZK_TIMEOUT_MS);
if (HAUtil.isHAEnabled(conf)) {
zkRetryInterval = zkSessionTimeout / numRetries;
} else {
zkRetryInterval =
conf.getLong(YarnConfiguration.RM_ZK_RETRY_INTERVAL_MS,
YarnConfiguration.DEFAULT_RM_ZK_RETRY_INTERVAL_MS);
}
zkResyncWaitTime = zkRetryInterval * numRetries;
zkAcl = RMZKUtils.getZKAcls(conf);
zkAuths = RMZKUtils.getZKAuths(conf);
zkRootNodePath = getNodePath(znodeWorkingPath, ROOT_ZNODE_NAME);
rmAppRoot = getNodePath(zkRootNodePath, RM_APP_ROOT);
/* Initialize fencing related paths, acls, and ops */
fencingNodePath = getNodePath(zkRootNodePath, FENCING_LOCK);
createFencingNodePathOp = Op.create(fencingNodePath, new byte[0], zkAcl,
CreateMode.PERSISTENT);
deleteFencingNodePathOp = Op.delete(fencingNodePath, -1);
if (HAUtil.isHAEnabled(conf)) {
String zkRootNodeAclConf = HAUtil.getConfValueForRMInstance
(YarnConfiguration.ZK_RM_STATE_STORE_ROOT_NODE_ACL, conf);
if (zkRootNodeAclConf != null) {
zkRootNodeAclConf = ZKUtil.resolveConfIndirection(zkRootNodeAclConf);
try {
zkRootNodeAcl = ZKUtil.parseACLs(zkRootNodeAclConf);
} catch (ZKUtil.BadAclFormatException bafe) {
LOG.error("Invalid format for " +
YarnConfiguration.ZK_RM_STATE_STORE_ROOT_NODE_ACL);
throw bafe;
}
} else {
useDefaultFencingScheme = true;
zkRootNodeAcl = constructZkRootNodeACL(conf, zkAcl);
}
}
rmDTSecretManagerRoot =
getNodePath(zkRootNodePath, RM_DT_SECRET_MANAGER_ROOT);
dtMasterKeysRootPath = getNodePath(rmDTSecretManagerRoot,
RM_DT_MASTER_KEYS_ROOT_ZNODE_NAME);
delegationTokensRootPath = getNodePath(rmDTSecretManagerRoot,
RM_DELEGATION_TOKENS_ROOT_ZNODE_NAME);
dtSequenceNumberPath = getNodePath(rmDTSecretManagerRoot,
RM_DT_SEQUENTIAL_NUMBER_ZNODE_NAME);
amrmTokenSecretManagerRoot =
getNodePath(zkRootNodePath, AMRMTOKEN_SECRET_MANAGER_ROOT);
}
