[GitHub] flink pull request #2275: FLINK-3929 Support for Kerberos Authentication wit...

[vijikarthi <gi...@git.apache.org>]

Github user vijikarthi commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2275#discussion_r73012055
  
    --- Diff: flink-core/src/main/java/org/apache/flink/configuration/ConfigConstants.java ---
    @@ -1016,6 +1016,23 @@
     	/** The environment variable name which contains the location of the lib folder */
     	public static final String ENV_FLINK_LIB_DIR = "FLINK_LIB_DIR";
     
    +	// -------------------------------- Security -------------------------------
    +
    +	/**
    +	 * The config parameter defining security credentials required
    +	 * for securing Flink cluster.
    +	 */
    +
    +	/** Keytab file key name to be used in flink configuration file */
    +	public static final String SECURITY_KEYTAB_KEY = "security.keytab";
    +
    +	/** Kerberos security principal key name to be used in flink configuration file */
    +	public static final String SECURITY_PRINCIPAL_KEY = "security.principal";
    +
    +	/** Keytab file name populated in YARN container */
    +	public static final String KEYTAB_FILE_NAME = "krb5.keytab";
    --- End diff --
    
    It is just a constant literal and not exposed in the Flink configuration file.


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