How to use

DelegationTokenConfig

in

org.apache.accumulo.core.client.admin

try {
 ClientContext client = OutputConfigurator.client(CLASS, job.getConfiguration());
 token = client.securityOperations().getDelegationToken(new DelegationTokenConfig());
} catch (Exception e) {
 log.warn("Failed to automatically obtain DelegationToken, "

/**
 * Serialize the delegation token config into the thrift variant
 *
 * @param config
 *          The configuration
 */
public static TDelegationTokenConfig serialize(DelegationTokenConfig config) {
 TDelegationTokenConfig tconfig = new TDelegationTokenConfig();
 tconfig.setLifetime(config.getTokenLifetime(TimeUnit.MILLISECONDS));
 return tconfig;
}

 /**
  * Deserialize the Thrift delegation token config into the non-thrift variant
  *
  * @param tconfig
  *          The thrift configuration
  */
 public static DelegationTokenConfig deserialize(TDelegationTokenConfig tconfig) {
  DelegationTokenConfig config = new DelegationTokenConfig();
  if (tconfig.isSetLifetime()) {
   config.setTokenLifetime(tconfig.getLifetime(), TimeUnit.MILLISECONDS);
  }
  return config;
 }
}

try {
 ClientContext client = InputConfigurator.client(CLASS, job.getConfiguration());
 token = client.securityOperations().getDelegationToken(new DelegationTokenConfig());
} catch (Exception e) {
 log.warn("Failed to automatically obtain DelegationToken, "

 /**
  * Deserialize the Thrift delegation token config into the non-thrift variant
  *
  * @param tconfig
  *          The thrift configuration
  */
 public static DelegationTokenConfig deserialize(TDelegationTokenConfig tconfig) {
  DelegationTokenConfig config = new DelegationTokenConfig();
  if (tconfig.isSetLifetime()) {
   config.setTokenLifetime(tconfig.getLifetime(), TimeUnit.MILLISECONDS);
  }
  return config;
 }
}

long requestedLifetime = cfg.getTokenLifetime(TimeUnit.MILLISECONDS);
if (requestedLifetime > 0) {
 long requestedExpirationDate = identifier.getIssueDate() + requestedLifetime;

try {
 ClientContext client = OutputConfigurator.client(CLASS, job);
 token = client.securityOperations().getDelegationToken(new DelegationTokenConfig());
} catch (Exception e) {
 log.warn("Failed to automatically obtain DelegationToken, "

 @Override
 public AuthenticationToken run() throws Exception {
  Connector conn = mac.getConnector(rootUser.getPrincipal(), new KerberosToken());
  log.info("Created connector as {}", rootUser.getPrincipal());
  assertEquals(rootUser.getPrincipal(), conn.whoami());
  // Should fail
  return conn.securityOperations().getDelegationToken(
    new DelegationTokenConfig().setTokenLifetime(Long.MAX_VALUE, TimeUnit.MILLISECONDS));
 }
});

/**
 * Serialize the delegation token config into the thrift variant
 *
 * @param config
 *          The configuration
 */
public static TDelegationTokenConfig serialize(DelegationTokenConfig config) {
 TDelegationTokenConfig tconfig = new TDelegationTokenConfig();
 tconfig.setLifetime(config.getTokenLifetime(TimeUnit.MILLISECONDS));
 return tconfig;
}

try {
 ClientContext client = InputConfigurator.client(CLASS, job);
 token = client.securityOperations().getDelegationToken(new DelegationTokenConfig());
} catch (Exception e) {
 log.warn("Failed to automatically obtain DelegationToken, Mappers/Reducers will likely"

 @Override
 public AuthenticationToken run() throws Exception {
  Connector conn = mac.getConnector(rootUser.getPrincipal(), new KerberosToken());
  log.info("Created connector as {}", rootUser.getPrincipal());
  assertEquals(rootUser.getPrincipal(), conn.whoami());
  return conn.securityOperations()
    .getDelegationToken(new DelegationTokenConfig().setTokenLifetime(5, TimeUnit.MINUTES));
 }
});

long requestedLifetime = cfg.getTokenLifetime(TimeUnit.MILLISECONDS);
if (0 < requestedLifetime) {
 long requestedExpirationDate = identifier.getIssueDate() + requestedLifetime;

/**
 * Obtain a DelegationToken from Accumulo.
 *
 * @param conn
 *          The Accumulo connector
 * @return The DelegationToken instance
 * @throws IOException
 *           If the token cannot be obtained
 */
public AuthenticationToken getDelegationToken(Connector conn) throws IOException {
 try {
  DelegationTokenConfig config = new DelegationTokenConfig();
  return conn.securityOperations().getDelegationToken(config);
 } catch (AccumuloException | AccumuloSecurityException e) {
  throw new IOException("Failed to obtain DelegationToken", e);
 }
}

 @Override
 public Void run() throws Exception {
  // As the "root" user, open up the connection and get a delegation token
  Connector conn = mac.getConnector(qualifiedNewUser, new KerberosToken());
  log.info("Created connector as {}", qualifiedNewUser);
  assertEquals(qualifiedNewUser, conn.whoami());
  conn.securityOperations().getDelegationToken(new DelegationTokenConfig());
  return null;
 }
});

 return conn.securityOperations().getDelegationToken(new DelegationTokenConfig());
} catch (Exception e) {
 final String msg = "Failed to acquire DelegationToken for use with MapReduce";

 return client.securityOperations().getDelegationToken(new DelegationTokenConfig());
} catch (Exception e) {
 final String msg = "Failed to acquire DelegationToken for use with MapReduce";

return client.securityOperations().getDelegationToken(new DelegationTokenConfig());

 @Override
 public AuthenticationToken run() throws Exception {
  // As the "root" user, open up the connection and get a delegation token
  Connector conn = mac.getConnector(rootUser.getPrincipal(), new KerberosToken());
  log.info("Created connector as {}", rootUser.getPrincipal());
  assertEquals(rootUser.getPrincipal(), conn.whoami());
  return conn.securityOperations().getDelegationToken(new DelegationTokenConfig());
 }
});

token = conn.securityOperations().getDelegationToken(new DelegationTokenConfig());

.getDelegationToken(new DelegationTokenConfig());