added virsh destroy to nuke

nuke.yml

@@ -14,3 +14,12 @@
     - name: remove volumes
       shell: "rm -rf /srv"
 
+
+- hosts: nova-compute
+  gather_facts: false
+  become: True
+  tasks:
+    - name: kill all vm's
+      shell: "for machine in  $(virsh list --uuid ); do virsh destroy $machine ; done"
+    - name: wipe all vm's
+      shell: "for machine in  $(virsh list --uuid --all); do virsh undefine $machine ; done"