[Bugs] [Bug 1428083] New: Repair cluster prove tests for FB environment

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1428083

            Bug ID: 1428083
           Summary: Repair cluster prove tests for FB environment
           Product: GlusterFS
           Version: mainline
         Component: core
          Assignee: bugs at gluster.org
          Reporter: vbellur at redhat.com
                CC: bugs at gluster.org



Repair cluster prove tests for FB environment

Summary:

Several prove tests use the 'launch_cluster' function to set up a
clustered volume. This replies on using multiple local IP
addresses, one for each server. Since IPV6 provides only ::1 as
a local address, as opposed to IPv4's complete 127.x.x.x subnet,
this cannot work in a pure IPv6 environment.

However, FB systems do at least have enough IPv4 stack to talk
locally, so fix launch_cluster to work properly when default
transport is IPv6.

To do this:

1) explicitly set transport.address-family volume option to inet in
   launch_cluster().

2) teach glusterd to honor transport.address-family when connecting
   to peer glusterds in glusterd_friend_rpc_create(). Previously
   transport.address-family was used only for binding local socket,
   not for communicating with peers.

Test Plan:

prove -f --timer ./tests/basic/glusterd/arbiter-volume-probe.t

Reviewers:

Subscribers:

Tasks:

Blame Revision:

Change-Id: I077d8549dcdbe4919ac7df34856a4b2d1428cdb6
Signed-off-by: Kevin Vigor <kvigor at fb.com>
Reviewed-on: http://review.gluster.org/16225
CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
Reviewed-by: Shreyas Siravara <sshreyas at fb.com>
Smoke: Gluster Build System <jenkins at build.gluster.org>

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