Example usage for org.apache.hadoop.mapreduce.v2.api MRClientProtocol getConnectAddress

Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce.v2.api MRClientProtocol getConnectAddress.

Prototype

public InetSocketAddress getConnectAddress();

Source Link

Document

Address to which the client is connected

Usage

From source file:org.apache.oozie.action.hadoop.JHSCredentials.java

License:Apache License

/**
 * Add an MR_DELEGATION_TOKEN to the {@link Credentials} provided.
 * @param credentials the credentials object which is updated
 * @param config launcher AM configuration
 * @param props properties for getting credential token or certificate
 * @param context workflow context//from   ww  w. ja v a2 s  .c  o m
 * @throws Exception thrown if failed
 */
@Override
public void updateCredentials(Credentials credentials, Configuration config, CredentialsProperties props,
        ActionExecutor.Context context) throws Exception {
    try {
        LOG.debug("Instantiating JHS Proxy");
        MRClientProtocol hsProxy = instantiateHistoryProxy(config, context);
        Text hsService = SecurityUtil.buildTokenService(hsProxy.getConnectAddress());
        LOG.debug("Getting delegation token for {0}", hsService.toString());
        Token<?> jhsToken = getDelegationTokenFromJHS(hsProxy,
                new HadoopTokenHelper().getServerPrincipal(config));
        LOG.debug("Acquired token {0}", jhsToken);
        credentials.addToken(hsService, jhsToken);
    } catch (IOException | InterruptedException ex) {
        LOG.debug("exception in updateCredentials", ex);
        throw new CredentialException(ErrorCode.E0512, ex.getMessage(), ex);
    }
}

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From source file:org.apache.oozie.action.hadoop.JHSCredentials.java

License:Apache License

/**
 * Get a Delegation token from the JHS.//from w w w  .j av a2s. co m
 * Copied over from YARNRunner in Hadoop.
 * @param hsProxy protcol used to get the token
 * @return The RM_DELEGATION_TOKEN that can be used to talk to JHS
 * @throws IOException
 * @throws InterruptedException
 */
private Token<?> getDelegationTokenFromJHS(final MRClientProtocol hsProxy, final String renewer)
        throws IOException, InterruptedException {
    GetDelegationTokenRequest request = RecordFactoryProvider.getRecordFactory(null)
            .newRecordInstance(GetDelegationTokenRequest.class);
    LOG.debug("Creating requsest to JHS using renewer [{0}]", renewer);
    request.setRenewer(renewer);
    org.apache.hadoop.yarn.api.records.Token mrDelegationToken = hsProxy.getDelegationToken(request)
            .getDelegationToken();
    LOG.debug("Got token to JHS : {0}. Converting token.", mrDelegationToken);
    return ConverterUtils.convertFromYarn(mrDelegationToken, hsProxy.getConnectAddress());
}

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