Benjamin Mahler created MESOS-6993:
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             Summary: Translate hierarchical roles back to the old format for 
non-hierarchical role schedulers.
                 Key: MESOS-6993
                 URL: https://issues.apache.org/jira/browse/MESOS-6993
             Project: Mesos
          Issue Type: Task
          Components: master
            Reporter: Benjamin Mahler


When sending roles back to frameworks (within Resource.role or 
Resource.allocation_info.role), we need translate the role back to the format 
the framework used when subscribing to the role. That is, if the framework did 
not use a leading slash or used “*”, we will omit the leading slash and convert 
the “/” role to “*”.

This is required to ensure backwards compatibility with schedulers that 
continue to use the non-hierarchical role format.



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