Add a script to create libvirt external snapshots in a loop

libvirt-live-snapshots-stress.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+# Purpose: For a given libvirt guest, create 100 external live-snapshots
+# i.e. each snapshot is stored in a unique QCOW2 file
+
+#set -x
+
+PROGNAME=`basename $0`
+
+DOMAIN=$1
+
+SNAPSHOTS_DIR=/export/vmimages
+
+# Create external snapshots
+create_external_snapshot() {
+let i=0
+while [ $i -lt 100 ];do
+    echo "Creating $DOMAIN-snap$i"
+    virsh snapshot-create-as --domain $DOMAIN \
+     --name snap-$i \
+     --description snap$i-desc \
+     --disk-only \
+     --diskspec hda,snapshot=external,file=$SNAPSHOTS_DIR/$DOMAIN-snap$i.qcow2 \
+     --atomic
+    let i=i+1
+done    
+}
+
+# main ()
+{
+
+    # Check if min no. of arguments are 1
+    if [ "$#" != 1 ]; then
+        echo "Provide the libvirt guest name."
+        echo "e.g. $PROGNAME f20vm1"
+        exit 255
+    fi 
+
+
+    create_external_snapshot
+
+}