Fold destroy, pristine and virshall into 'command'. Add a lock to avoid destroying active/inuse LABs

command

@@ -0,0 +1,49 @@
+#!/bin/sh
+BUILD=${BUILD:=default}
+LAB=${LAB:=0}
+
+[ -r .lock${LAB} ] && {
+  echo "Lock file for LAB${LAB}, bailing"
+  exit
+}
+
+## Do not touch below this line
+LABDIR=/var/lab
+STAGING=$LABDIR/staging
+HVN="hvn${LAB}.lab.ipng.ch"
+CMD=$1
+
+[ "$CMD" != "start" -a "$CMD" != "shutdown" -a "$CMD" != "destroy" -a "$CMD" != "pristine" ] && {
+  echo "Usage: LAB=0 ./command start|shutdown|destroy|pristine"
+  exit
+}
+
+VMS=$(ls -1 build/${BUILD}/${HVN}/)
+
+for VM in $VMS; do
+  echo "[$VM] Executing $CMD"
+  case $CMD in
+	  pristine)
+    echo "[$VM] Destroying VM"
+    ssh root@$HVN "/usr/bin/virsh list --all | grep $VM.*running >/dev/null && virsh destroy $VM"
+    echo "[$VM] Rolling VM back to pristine snapshot"
+    ssh root@$HVN "zfs rollback ssd-vol0/${VM}@pristine"
+    ;;
+	  start|shutdown)
+    echo "[$VM] Sending $CMD to VM"
+    ssh root@$HVN "virsh $CMD $VM"
+    ;;
+	  destroy)
+    echo "[$VM] Destroying VM"
+    ssh root@$HVN "/usr/bin/virsh list --all | grep $VM.*running >/dev/null && virsh destroy $VM"
+    echo "[$VM] Destroying ZFS image"
+    ssh root@$HVN "zfs destroy -r ssd-vol0/$VM"
+    ;;
+  esac
+done
+
+[ "$CMD" = "start" ] && {
+  echo "*  Committing OVS config"
+  scp overlays/$BUILD/ovs-config.sh root@$HVN:$LABDIR
+  ssh root@$HVN "set -x; LAB=${LAB} $LABDIR/ovs-config.sh"
+}