xlator/fuse: integrate fuse with event-history

use event-history framework for saving and dumping (on necessity)
important xlator specific information.

Tests:
Included the regression testcase.

Change-Id: I6c0532e9ffe0b624286cdc4d2637b1bd2c0579e0
BUG: 858215
Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com>
Signed-off-by: root <root@thinkpad.(none)>
Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com>
Reviewed-on: http://review.gluster.org/3925
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>

1 files changed, 81 insertions, 0 deletions

diff --git a/tests/bugs/bug-858215.t b/tests/bugs/bug-858215.t
new file mode 100755
index 000000000..c93ff8b97
--- /dev/null
+++ b/tests/bugs/bug-858215.t
@@ -0,0 +1,81 @@
+#!/bin/bash
+
+. $(dirname $0)/../include.rc
+
+cleanup;
+
+
+## Start and create a volume
+TEST glusterd;
+TEST pidof glusterd
+TEST $CLI volume info;
+
+TEST $CLI volume create $V0 replica 2 stripe 2 $H0:$B0/${V0}{1,2,3,4,5,6,7,8};
+
+function volinfo_field()
+{
+    local vol=$1;
+    local field=$2;
+
+    $CLI volume info $vol | grep "^$field: " | sed 's/.*: //';
+}
+
+
+## Verify volume is is created
+EXPECT "$V0" volinfo_field $V0 'Volume Name';
+EXPECT 'Created' volinfo_field $V0 'Status';
+
+
+## Start volume and verify
+TEST $CLI volume start $V0;
+EXPECT 'Started' volinfo_field $V0 'Status';
+
+## Mount FUSE with caching disabled
+TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s $H0 --volfile-id $V0 $M0;
+
+## Wait for volume to register with rpc.mountd
+sleep 5;
+
+## Test for checking whether the fops have been saved in the event-history
+TEST ! stat $M0/newfile;
+TEST touch $M0/newfile;
+TEST stat $M0/newfile;
+TEST rm $M0/newfile;
+
+nfs_pid=$(cat /var/lib/glusterd/nfs/run/nfs.pid);
+glustershd_pid=$(cat /var/lib/glusterd/glustershd/run/glustershd.pid);
+
+pids=$(pidof glusterfs);
+for i in $pids
+do
+        if [ $i -ne $nfs_pid ] && [ $i -ne $glustershd_pid ]; then
+                mount_pid=$i;
+                break;
+        fi
+done
+
+dump_dir='/tmp/gerrit_glusterfs'
+cat >/tmp/glusterdump.options <<EOF
+all=yes
+path=$dump_dir
+EOF
+
+TEST mkdir -p $dump_dir;
+TEST kill -USR1 $mount_pid;
+sleep 2;
+for file_name in $(ls $dump_dir)
+do
+    TEST grep "xlator.mount.fuse.history" $dump_dir/$file_name;
+done
+
+## Finish up
+TEST $CLI volume stop $V0;
+EXPECT 'Stopped' volinfo_field $V0 'Status';
+
+TEST $CLI volume delete $V0;
+TEST ! $CLI volume info $V0;
+
+TEST rm -rf $dump_dir;
+TEST rm /tmp/glusterdump.options;
+
+cleanup;