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authorAvra Sengupta <asengupt@redhat.com>2014-02-19 16:30:11 +0530
committerVijay Bellur <vbellur@redhat.com>2014-04-11 16:29:17 -0700
commit29bccc2ed18eedc40e83d2f0d35327037a322384 (patch)
tree207829c5a0535af28cbad6de90497d2f48093d1a /tests/snapshot.rc
parent2045c9ea1c7c3aac9d377070df6f0ee99619f421 (diff)
gluster: GlusterFS Volume Snapshot Feature
This is the initial patch for the Snapshot feature. Current patch includes following features: * Snapshot create * Snapshot delete * Snapshot restore * Snapshot list * Snapshot info * Snapshot status * Snapshot config Change-Id: I2f46920c0d61c515f6a60e0f8b46fff886d9f6a9 BUG: 1061685 Signed-off-by: shishir gowda <sgowda@redhat.com> Signed-off-by: Sachin Pandit <spandit@redhat.com> Signed-off-by: Vijaikumar M <vmallika@redhat.com> Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com> Signed-off-by: Rajesh Joseph <rjoseph@redhat.com> Signed-off-by: Joseph Fernandes <josferna@redhat.com> Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/7128 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'tests/snapshot.rc')
-rwxr-xr-xtests/snapshot.rc290
1 files changed, 290 insertions, 0 deletions
diff --git a/tests/snapshot.rc b/tests/snapshot.rc
new file mode 100755
index 0000000..440059f
--- /dev/null
+++ b/tests/snapshot.rc
@@ -0,0 +1,290 @@
+#!/bin/bash
+
+LVM_DEFINED=0
+LVM_PREFIX="patchy_snap"
+LVM_COUNT=0
+VHD_SIZE="1G"
+
+function init_lvm() {
+ if [ "$1" == "" ]; then
+ echo "Error: Invalid argument supplied"
+ return 1
+ fi
+ LVM_COUNT=$1
+
+ if [ "$2" != "" ]; then
+ VHD_SIZE=$2
+ fi
+
+ local b
+ local i
+
+ if [ "$B1" = "" ]; then
+ B1=$B0
+ fi
+
+ for i in `seq 1 $LVM_COUNT`; do
+ b="B$i"
+ if [ "${!b}" = "" ]; then
+ echo "Error: $b not defined."
+ echo "Please run launch_cluster with atleast $LVM_COUNT nodes"
+ return 1
+ fi
+
+ eval "L$i=${!b}/${LVM_PREFIX}_mnt"
+ l="L$i"
+ mkdir -p ${!l}
+ if [ $? -ne 0 ]; then
+ echo "Error: failed to create dir ${!l}"
+ return 1
+ fi
+
+ eval "VG$i=${LVM_PREFIX}_vg_${i}"
+ done
+
+ LVM_DEFINED=1
+ return 0
+}
+
+function setup_lvm() {
+ init_lvm $@ || return 1
+ _setup_lvm
+ return 0
+}
+
+function cleanup_lvm() {
+ pkill gluster
+ sleep 2
+
+ if [ "$LVM_DEFINED" = "1" ]; then
+ _cleanup_lvm >/dev/null 2>&1
+ fi
+
+ _cleanup_lvm_again >/dev/null 2>&1
+ # TODO Delete cleanup has open bug
+ # once fixed delete this
+ mount | grep "run/gluster/snaps" | awk '{print $3}' | xargs umount 2> /dev/null
+ mount | grep "patchy_snap" | awk '{print $3}' | xargs umount 2> /dev/null
+ \rm -rf /var/run/gluster/snaps/*
+ lvscan | grep "/dev/patchy_snap" | awk '{print $2}'| xargs lvremove -f 2> /dev/null
+ vgs | grep patchy_snap | awk '{print $1}' | xargs vgremove -f 2>/dev/null
+ \rm -rf /dev/patchy*
+ return 0
+}
+
+########################################################
+# Private Functions
+########################################################
+function _setup_lvm() {
+ local count=$LVM_COUNT
+ local b
+ local i
+
+ for i in `seq 1 $count`; do
+ b="B$i"
+
+ _create_vhd ${!b} $i
+ _create_lv ${!b} $i
+ _mount_lv $i
+ done
+}
+
+function _cleanup_lvm() {
+ local count=$LVM_COUNT
+ local b
+ local i
+
+ for i in `seq 1 $count`; do
+ b="B$i"
+ _umount_lv $i
+ _remove_lv $i
+ _remove_vhd ${!b}
+ done
+}
+
+function _cleanup_lvm_again() {
+ local file
+
+ mount | grep $LVM_PREFIX | awk '{print $3}' | xargs -r umount -f
+
+ /sbin/vgs | grep $LVM_PREFIX | awk '{print $1}' | xargs -r vgremove -f
+
+ find $B0 -name "${LVM_PREFIX}_loop" | xargs -r losetup -d
+
+ find $B0 -name "${LVM_PREFIX}*" | xargs -r rm -rf
+
+ find /run/gluster/snaps -name "*${LVM_PREFIX}*" | xargs -r rm -rf
+
+ for file in `ls /run/gluster/snaps`; do
+ find /run/gluster/snaps/$file -mmin -2 | xargs -r rm -rf
+ done
+}
+
+########################################################
+########################################################
+function _create_vhd() {
+ local dir=$1
+ local num=$2
+ local loop_num=`expr $2 + 8`
+
+ fallocate -l${VHD_SIZE} $dir/${LVM_PREFIX}_vhd
+ mknod -m660 $dir/${LVM_PREFIX}_loop b 7 $loop_num
+ /sbin/losetup $dir/${LVM_PREFIX}_loop $dir/${LVM_PREFIX}_vhd
+}
+
+function _create_lv() {
+ local dir=$1
+ local num=$2
+ local vg="VG$num"
+ local thinpoolsize="0.8G"
+ local virtualsize="0.6G"
+
+ /sbin/pvcreate $dir/${LVM_PREFIX}_loop
+ /sbin/vgcreate ${!vg} $dir/${LVM_PREFIX}_loop
+
+ /sbin/lvcreate -L ${thinpoolsize} -T /dev/${!vg}/thinpool
+ /sbin/lvcreate -V ${virtualsize} -T /dev/${!vg}/thinpool -n brick_lvm
+
+ mkfs.xfs -f /dev/${!vg}/brick_lvm
+}
+
+function _mount_lv() {
+ local num=$1
+ local vg="VG$num"
+ local l="L$num"
+
+ mount -t xfs -o nouuid /dev/${!vg}/brick_lvm ${!l}
+}
+
+function _umount_lv() {
+ local num=$1
+ local l="L$num"
+
+ umount -f ${!l} 2>/dev/null || true
+ rmdir ${!l} 2>/dev/null || true
+}
+
+function _remove_lv() {
+ local num=$1
+ local vg="VG$num"
+
+ vgremove -f ${!vg}
+}
+
+function _remove_vhd() {
+ local dir=$1
+
+ losetup -d $dir/${LVM_PREFIX}_loop
+ rm -f $dir/${LVM_PREFIX}_loop
+ rm -f $dir/${LVM_PREFIX}_vhd
+}
+
+########################################################
+# Utility Functions
+########################################################
+function snapshot_exists() {
+ local clitype=$1
+ local snapname=$2
+ local cli=$CLI
+ if [ "$clitype" == "1" ]; then
+ cli=$CLI_1;
+ fi
+ if [ "$clitype" == "2" ]; then
+ cli=$CLI_2;
+ fi
+ $cli snapshot list | egrep -q "^$snapname\$"
+ return $?
+}
+
+#Create N number of snaps in a given volume
+#Arg1 : <Volume Name>
+#Arg2 : <Count of snaps to be created>
+#Arg3 : <Snap Name Pattern>
+#Return: Returns 0 if all snaps are created ,
+# if not will return exit code of last failed
+# snap create command.
+function create_n_snapshots() {
+ local cli=$1
+ local vol=$1
+ local snap_count=$2
+ local snap_name=$3
+ local ret=0
+ for i in `seq 1 $snap_count`; do
+ $CLI_1 snapshot create $snap_name$i ${vol}&
+ PID_1=$!
+ wait $PID_1
+ ret=$?
+ if [ "$ret" != "0" ]; then
+ break
+ fi
+ done
+ return $ret
+}
+
+
+#Delete N number of snaps in a given volume
+#Arg1 : <Volume Name>
+#Arg2 : <Count of snaps to be deleted>
+#Arg3 : <Snap Name Pattern>
+#Return: Returns 0 if all snaps are Delete,
+# if not will return exit code of last failed
+# snap delete command.
+function delete_n_snapshots() {
+ local vol=$1
+ local snap_count=$2
+ local snap_name=$3
+ local ret=0
+ for i in `seq 1 $snap_count`; do
+ $CLI_1 snapshot delete $snap_name$i &
+ PID_1=$!
+ wait $PID_1
+ temp=$?
+ if [ "$temp" != "0" ]; then
+ ret=$temp
+ fi
+ done
+ return $ret
+}
+
+#Check for the existance of N number of snaps in a given volume
+#Arg1 : <Volume Name>
+#Arg2 : <Count of snaps to be checked>
+#Arg3 : <Snap Name Pattern>
+#Return: Returns 0 if all snaps exists,
+# if not will return exit code of last failed
+# snapshot_exists().
+function snapshot_n_exists() {
+ local vol=$1
+ local snap_count=$2
+ local snap_name=$3
+ local ret=0
+ for i in `seq 1 $snap_count`; do
+ snapshot_exists 1 $snap_name$i
+ ret=$?
+ if [ "$ret" != "0" ]; then
+ break
+ fi
+ done
+ return $ret
+}
+
+# TODO: Cleanup code duplication
+function volinfo_field()
+{
+ local vol=$1;
+ local field=$2;
+
+ $CLI_1 volume info $vol | grep "^$field: " | sed 's/.*: //';
+}
+
+
+function volume_exists() {
+ local volname=$1
+ $CLI_1 volume info $volname 2>&1 | grep -q 'does not exist'
+ if [ $? -eq 0 ]; then
+ return 1
+ else
+ return 0
+ fi
+}
+