rm-credentials-4-oozie

Grab some remote RM-credentials to submit a MR-Job to a remote cluster.

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##Problem

Starting a MapReduce job in a different Hadoop-Cluster is required, e.g., to export an HBase snapshot from cluster A (analysis) to cluster B (backup, inspection, validation ... )

##Solution (Sketch)

Oozie offers the "Credentials" class and configuration to request Delegation Tokens from arbitrary services in each individual action.

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##Usage

1. Provide the jar file (...) to your Oozie-Server and restart.

2. Define the new credentials provider class in oozie-...xml in property "oozie.credentials.credentialclasses".

3. Configure the credentials for your action