Change the internal --to arg name to "to"

So the api call using that option is more intuitive:

POST /service_action
{
  "path": "test/svc/c1",
  "action": "scale",
  "options": {
    "to": 2
  }
}

lib/resContainerHpVm.py

@@ -109,7 +109,7 @@ def check_capabilities(self):
         return False
 
     def _migrate(self):
-        cmd = ['hpvmmigrate', '-o', '-P', self.name, '-h', self.svc.options.destination_node]
+        cmd = ['hpvmmigrate', '-o', '-P', self.name, '-h', self.svc.options.to]
         (ret, buff, err) = self.vcall(cmd)
         if ret != 0:
             raise ex.excError

lib/resContainerLxd.py

@@ -136,7 +136,7 @@ def cleanup_cgroup(self, t="*"):
                 self.log.debug("failed to remove leftover cgroup %s: %s" % (p, str(e)))
 
     def _migrate(self):
-        cmd = [lxc, 'move', self.name, self.svc.options.destination_node+":"+self.name]
+        cmd = [lxc, 'move', self.name, self.svc.options.to+":"+self.name]
         (ret, buff, err) = self.vcall(cmd)
         if ret != 0:
             raise ex.excError

lib/resContainerOvm.py

@@ -59,7 +59,7 @@ def find_vmcf(self):
         return l[0]
 
     def _migrate(self):
-        cmd = ['xm', 'migrate', '-l', self.uuid, self.svc.options.destination_node]
+        cmd = ['xm', 'migrate', '-l', self.uuid, self.svc.options.to]
         (ret, buff, err) = self.vcall(cmd)
         if ret != 0:
             raise ex.excError

lib/svc.py

@@ -1365,9 +1365,9 @@ def prepare_global_expect(self, action):
             global_expect = "purged"
             action = "purge"
         elif action == "move":
-            if self.options.destination_node is None:
+            if self.options.to is None:
                 raise ex.excError("the --to <node>[,<node>,...] option is required")
-            global_expect += self.options.destination_node
+            global_expect += self.options.to
         elif action == "switch":
             dst = self.destination_node_sanity_checks() # pylint: disable=assignment-from-none
             if dst is None:
@@ -5033,7 +5033,7 @@ def destination_node_sanity_checks(self, destination_node=None):
         Return the validated destination node name.
         """
         if destination_node is None:
-            destination_node = self.options.destination_node
+            destination_node = self.options.to
         if destination_node is None:
             destination_node = "<peer>"
         return destination_node
@@ -5082,7 +5082,7 @@ def scale(self):
         if self.scale_target is None:
             raise ex.excError("can't scale: not a scaler")
         try:
-            value = int(self.options.destination_node)
+            value = int(self.options.to)
             assert value >= 0
         except Exception:
             raise ex.excError("invalid scale target: set '--to <n>' where n>=0")

lib/svcmgr_parser.py

@@ -105,7 +105,7 @@
         help="The tag name, as shown by :cmd:`svcmgr collector list tags`."),
     "to": Option(
         "--to", default=None,
-        action="store", dest="parm_destination_node",
+        action="store", dest="to",
         help="The remote node to start or migrate the service to. Or the "
              "target number of instance to scale to."),
     "upto": Option(