Master Detector uses the wrong ACL when auth is not required
------------------------------------------------------------

                 Key: MESOS-44
                 URL: https://issues.apache.org/jira/browse/MESOS-44
             Project: Mesos
          Issue Type: Bug
          Components: master
            Reporter: vinod Kone


Master detector uses the following ACL regardless of auth credentials:

static ACL _EVERYONE_READ_CREATOR_ALL_ACL[] = {
   {ZOO_PERM_READ, ZOO_ANYONE_ID_UNSAFE},
   {ZOO_PERM_ALL, ZOO_AUTH_IDS}
};

But this ACL doesn't work with the (default) ZK server when there are no auth 
credentials provided.

2 ways to fix this:

1) Short term: Start the java ZK server with the flag "-Dzookeeper.skipACL=yes"

2) Long term: Fix the detector code, to use a different ACL 
(ZOO_OPEN_ACL_UNSAFE) when no auth is provided. This is what the new replicated 
log does.

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