From 927483b6fbf2a8e731f9e34dd70dc4179accc079 Mon Sep 17 00:00:00 2001
From: Jeff Darcy <jdarcy@redhat.com>
Date: Tue, 25 Mar 2014 16:48:37 +0000
Subject: nsr: use different etcd keys for each NSR subvolume

This is necessary both for separate volumes using NSR and for DHT
volumes composed of multiple NSR subvolumes.

Change-Id: Ia269d70b535cc26900f8b6e7f22706087746fbe7
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
---
 tests/basic/four-brick.t | 85 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100755 tests/basic/four-brick.t

(limited to 'tests')

diff --git a/tests/basic/four-brick.t b/tests/basic/four-brick.t
new file mode 100755
index 000000000..a8d9cd400
--- /dev/null
+++ b/tests/basic/four-brick.t
@@ -0,0 +1,85 @@
+#!/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 ping_file {
+	dd if=/dev/urandom of=$1 bs=4k count=100 2> /dev/null
+}
+
+function kill_brick {
+	bpid=$(cat /var/lib/glusterd/vols/${V0}/run/*-${V0}${1}.pid)
+	rpid=$(cat /var/lib/glusterd/vols/${V0}/run/*-${V0}${1}-recon.pid)
+	echo "brick PID = $bpid" > /dev/tty
+	echo "recon PID = $rpid" > /dev/tty
+	kill -9 $bpid $rpid
+}
+
+function count_matches {
+	n=0
+	for f in $B0/$V0[1234]/$1; do
+		cmp $M0/$1 $f 2> /dev/null
+		if [ $? = 0 ]; then
+			n=$((n+1))
+		fi
+	done
+	echo $n
+}
+
+cleanup
+
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume info
+
+TEST mkdir -p ${V0}{1,2,3,4}
+TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{1,2,3,4}
+
+EXPECT "$V0" volinfo_field $V0 'Volume Name'
+EXPECT 'Created' volinfo_field $V0 'Status'
+EXPECT '4' 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 ping_file $M0/probe
+TEST cmp ${M0}/probe ${B0}/${V0}1/probe
+TEST cmp ${M0}/probe ${B0}/${V0}2/probe
+
+# Kill one brick from each pair.
+TEST kill_brick 1
+TEST kill_brick 3
+sleep 10
+
+# Make sure only one copy makes it while degraded.
+TEST ping_file $M0/probe2
+TEST [ $(count_matches probe2) = 1 ]
+
+# Restart the brick and give reconciliation a chance to run.
+# TBD: figure out why reconciliation takes so $#@! long to run
+TEST $CLI volume start $V0 force
+sleep 20
+
+# Make sure *both* copies are valid after reconciliation.
+TEST [ $(count_matches probe2) = 2 ]
+
+cleanup
+#killall -9 etcd
-- 
cgit