[jira] [Created] (MESOS-2056) Refactor fetcher code in preparation for fetcher cache

["Bernd Mathiske (JIRA)" <ji...@apache.org>]

Bernd Mathiske created MESOS-2056:
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             Summary: Refactor fetcher code in preparation for fetcher cache
                 Key: MESOS-2056
                 URL: https://issues.apache.org/jira/browse/MESOS-2056
             Project: Mesos
          Issue Type: Improvement
          Components: fetcher, slave
            Reporter: Bernd Mathiske
            Assignee: Bernd Mathiske
            Priority: Minor


Refactor/rearrange fetcher-related code so that cache functionality can be dropped in. One could do both together in one go. This is splitting up reviews into smaller chunks. It will not immediately be obvious how this change will be used later, but it will look better-factored and still do the exact same thing as before. In particular, a download routine to be reused several times in launcher/fetcher will be factored out and the remainder of fetcher-related code can be moved from the containerizer realm into fetcher.cpp.



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