[Bugs] [Bug 1238135] New: Initialize daemons on demand

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1238135

            Bug ID: 1238135
           Summary: Initialize daemons on demand
           Product: GlusterFS
           Version: mainline
         Component: glusterd
          Assignee: bugs at gluster.org
          Reporter: amukherj at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:

As of now all the daemon services are initialized at glusterD init path. Since
socket file path of per node daemon demands the uuid of the node, MY_UUID macro
is invoked as part of the initialization. This flow breaks the usecases where a
gluster image is built following a template (it could be Dockerfile,
vagrantfile or any kind of virtualization environment). This means bringing
instances of this image would have same UUIDs for the node resulting in peer
probe failure.


Version-Release number of selected component (if applicable):
Mainline

How reproducible:
Always

Steps to Reproduce:
1. Build a docker image using
https://registry.hub.docker.com/u/gluster/gluster-fedora/dockerfile/ 
2. Bring up multiple containers using the above image
3. Check the UUIDs on all these containers by cat
/var/lib/glusterd/glusterd.info | grep UUID

Actual results:
UUIDs are same

Expected results:
UUIDs should be unique.

Additional info:

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