NSR: Volgen Support

Allows the user to convert an afr-volume to a nsr-volume
by using cluster.nsr option in the volume set command

gluster volume set <volname> cluster.nsr <on/off>

Change-Id: Ia1c5aa89d27535f7275d474cf312dc5efb8e222f
BUG: 1158654
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.org/12943
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Avra Sengupta <asengupt@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/tests/basic/nsr/nsr-volgen.t b/tests/basic/nsr/nsr-volgen.t
new file mode 100644
index 00000000000..99563ef608a
--- /dev/null
+++ b/tests/basic/nsr/nsr-volgen.t
@@ -0,0 +1,37 @@
+#!/bin/bash
+
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+
+volfiles=${GLUSTERD_WORKDIR}/vols/${V0}/
+check_brick_volfiles () {
+        for vf in ${volfiles}${V0}.$(hostname).*.vol; do
+                grep -qs experimental/nsr $vf || return
+                # At least for now, nothing else would put a client translator
+                # in a brick volfile.
+                grep -qs protocol/client $vf || return
+        done
+        echo "OK"
+}
+
+TEST glusterd
+TEST pidof glusterd
+
+TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{1,2}
+TEST $CLI volume set $V0 cluster.nsr on
+
+# Check that the client volfile got modified properly.
+TEST grep -qs experimental/nsrc ${volfiles}${V0}.tcp-fuse.vol
+
+# Check that the brick volfiles got modified as well.
+EXPECT "OK" check_brick_volfiles
+
+# Put things back and make sure the "undo" worked.
+TEST $CLI volume set $V0 cluster.nsr off
+TEST $CLI volume start $V0
+TEST $GFS -s $H0 --volfile-id $V0 $M0
+echo hello > $M0/probe
+EXPECT hello cat ${B0}/${V0}1/probe
+EXPECT hello cat ${B0}/${V0}2/probe
+
+cleanup