vmallika 501a31eadb uss: validate USS option features.snapshot-directory
USS option features.snapshot-directory
   contains only 'alphanum, -, _, .'
   starts with dot (.)
   value cannot exceed 255 characters
and throws error for any other argument.

Change-Id: Iad64635206ddf5599351020d99aafb3dd9d17bc1
BUG: 1168819
Signed-off-by: vmallika <vmallika@redhat.com>
Reviewed-on: http://review.gluster.org/9209
Smoke: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Avra Sengupta <asengupt@redhat.com>
Reviewed-by: Manikandan Selvaganesh <mselvaga@redhat.com>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
2016-02-09 04:34:33 -08:00
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