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org.apache.spark.security

HadoopDelegationTokenProvider

trait HadoopDelegationTokenProvider extends AnyRef

::DeveloperApi:: Hadoop delegation token provider.

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  1. abstract def delegationTokensRequired(sparkConf: SparkConf, hadoopConf: Configuration): Boolean

    Returns true if delegation tokens are required for this service.

    Returns true if delegation tokens are required for this service. By default, it is based on whether Hadoop security is enabled.

  2. abstract def obtainDelegationTokens(hadoopConf: Configuration, sparkConf: SparkConf, creds: Credentials): Option[Long]

    Obtain delegation tokens for this service and get the time of the next renewal.

    Obtain delegation tokens for this service and get the time of the next renewal.

    hadoopConf

    Configuration of current Hadoop Compatible system.

    creds

    Credentials to add tokens and security keys to.

    returns

    If the returned tokens are renewable and can be renewed, return the time of the next renewal, otherwise None should be returned.

  3. abstract def serviceName: String

    Name of the service to provide delegation tokens.

    Name of the service to provide delegation tokens. This name should be unique. Spark will internally use this name to differentiate delegation token providers.

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