Only try to destroy vagrant vm when one is running

Signed-off-by: Kris Hicks <[email protected]>

ci/ci-box-bats.sh

@@ -19,7 +19,12 @@ trap cleanup EXIT
 
 echo $CANDIDATE_BUILD_NUMBER
 
-vagrant destroy local -f
+running_virtualbox_vm_pid=`ps x | grep bosh-lite | grep startvm | cut -d ' ' -f2`
+running_vmware_vm_pid=`ps x | grep bosh-lite | grep vmware-vmx | cut -d ' ' -f2`
+if [ ! -n "$running_virtualbox_vm_pid" ] || [ ! -n "$running_vmware_vm_pid" ]; then
+  vagrant destroy local -f
+fi
+
 rm -rf /var/lib/jenkins/.bosh_cache/* || true
 
 vagrant box add bosh-lite-${BOX_TYPE}-ubuntu-trusty-${CANDIDATE_BUILD_NUMBER}.box --name bosh-lite-ubuntu-trusty --force