From 46d333783a968ab39e0beade9c7a1eec8035f8b1 Mon Sep 17 00:00:00 2001
From: Jeff Darcy <jdarcy@redhat.com>
Date: Mon, 31 Mar 2014 18:37:38 +0000
Subject: nsr: add quorum enforcement

Change-Id: I0241f8c1ac97c80ae438e3d9f1ac492d63da9347
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
---
 tests/basic/quorum.t | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/basic/recon.t  |  4 ++++
 2 files changed, 68 insertions(+)
 create mode 100644 tests/basic/quorum.t

(limited to 'tests')

diff --git a/tests/basic/quorum.t b/tests/basic/quorum.t
new file mode 100644
index 000000000..b8fc9cf3a
--- /dev/null
+++ b/tests/basic/quorum.t
@@ -0,0 +1,64 @@
+#!/bin/bash
+
+# Test *very basic* NSR functionality - startup, mount, simplest possible file
+# write.
+
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../volume.rc
+
+function get_rep_count {
+	v=$(getfattr --only-values -e text -n trusted.nsr.rep-count $1 2> /dev/null)
+	#echo $v > /dev/tty
+	echo $v
+}
+
+function kill_a_brick {
+	for r in /var/lib/glusterd/vols/${V0}/run/*-recon.pid; do
+		rpid=$(cat $r)
+		#echo "recon PID = $rpid" > /dev/tty
+		b=$(echo $r | sed '/\(.*\):\(.*\)-recon.pid/s//\1\2.pid/')
+		bpid=$(cat $b)
+		#echo "brick PID = $bpid" > /dev/tty
+		kill -9 $bpid $rpid
+		return 0
+	done
+
+	# No bricks?!?
+	return 1
+}
+
+cleanup
+
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume info
+
+TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{1,2}
+
+EXPECT "$V0" volinfo_field $V0 'Volume Name'
+EXPECT 'Created' volinfo_field $V0 'Status'
+EXPECT '2' brick_count $V0
+
+TEST $CLI volume set $V0 cluster.nsr on
+TEST $CLI volume set $V0 cluster.nsr.recon on
+
+TEST $CLI volume start $V0
+EXPECT 'Started' volinfo_field $V0 'Status'
+
+## Mount FUSE with caching disabled (read-only)
+TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s $H0 --volfile-id $V0 $M0
+
+# Give the bricks a chance to connect to each other.
+EXPECT_WITHIN 10 "2" get_rep_count $M0
+
+TEST kill_a_brick
+EXPECT_WITHIN 10 "1" get_rep_count $M0
+
+# Make sure writes fail while degraded.
+tmpfile=$(mktemp)
+trap "rm $tmpfile" EXIT
+dd if=/dev/urandom of=$M0/probe bs=4k count=100 status=none 2> $tmpfile
+TEST [ x"$?" != x"0" ]
+TEST grep -qs 'Read-only file system' $tmpfile
+
+cleanup
diff --git a/tests/basic/recon.t b/tests/basic/recon.t
index fac454530..e0fbea749 100755
--- a/tests/basic/recon.t
+++ b/tests/basic/recon.t
@@ -119,6 +119,10 @@ EXPECT '2' brick_count $V0
 TEST $CLI volume set $V0 cluster.nsr on
 TEST $CLI volume set $V0 cluster.nsr.recon on
 
+# This would normally be a terrible idea, but it's handy for issuing ops that
+# will have to be reconciled later.
+TEST $CLI volume set $V0 cluster.nsr.quorum-percent 0
+
 TEST $CLI volume start $V0
 EXPECT 'Started' volinfo_field $V0 'Status'
 
-- 
cgit