L #~: fix stop action in vCenter (#1963)

(cherry picked from commit d98d5ece07)

src/tm_mad/vcenter/mv

@@ -68,6 +68,11 @@ begin
     vm = OpenNebula::VirtualMachine.new_with_id(vmid, one_client)
     vm.info
 
+    last_action = vm['HISTORY_RECORDS/HISTORY[last()]/ACTION']
+    last_action_str = OpenNebula::VirtualMachine.get_history_action(last_action)
+
+    exit 0 if last_action_str == "stop"
+
     src_ds = vm.retrieve_elements('HISTORY_RECORDS/HISTORY/DS_ID')[-2]
 
     if src_ds == dsid
@@ -78,7 +83,7 @@ begin
             .migrate_routine(vmid, host_orig, host_dest, false, dsid)
     end
 rescue StandardError => e
-    message = "Cannot migrate for VM #{vmid}. "\
+    message = "Cannot move the VM #{vmid}. "\
               'Failed due to '\
               "\"#{e.message}\"\n"
     OpenNebula.log_error(message)

src/vmm_mad/remotes/lib/vcenter_driver/virtual_machine.rb

@@ -3388,6 +3388,9 @@ end
             pool.info
 
             src_id = pool["/HOST_POOL/HOST[NAME='#{src_host}']/ID"].to_i
+
+            return if src_id == 0
+
             dst_id = pool["/HOST_POOL/HOST[NAME='#{dst_host}']/ID"].to_i
 
             # different destination ds