implements #2027

Author: micafer

CHANGES.rst

@@ -28,6 +28,11 @@ Common
 Compute
 ~~~~~~~
 
+- [OpenStack] Optional node port ID to attach the floating IP in OpenStack
+  ex_attach_floating_ip_to_node function.
+  (#2028)
+  [Miguel Caballer - @micafer]
+
 - [OpenStack] Add metadata fields ``os_distro`` and ``os_version`` provided
   by OpenStack Image API (if set) to the ``extra`` field of the OpenStack NodeImage.
   (#1982)

libcloud/compute/drivers/openstack.py

@@ -4298,7 +4298,7 @@ def ex_delete_floating_ip(self, ip):
         resp = self.network_connection.request("/v2.0/floatingips/%s" % ip.id, method="DELETE")
         return resp.status in (httplib.NO_CONTENT, httplib.ACCEPTED)
 
-    def ex_attach_floating_ip_to_node(self, node, ip):
+    def ex_attach_floating_ip_to_node(self, node, ip, port_id=None):
         """
         Attach the floating IP to the node
 
@@ -4308,6 +4308,9 @@ def ex_attach_floating_ip_to_node(self, node, ip):
         :param      ip: floating IP to attach
         :type       ip: ``str`` or :class:`OpenStack_1_1_FloatingIpAddress`
 
+        :param      port_id: Optional node port ID to attach the floating IP
+        :type       ip: ``str``
+
         :rtype: ``bool``
         """
         ip_id = None
@@ -4320,13 +4323,15 @@ def ex_attach_floating_ip_to_node(self, node, ip):
                     ip_id = fip.id
         if not ip_id:
             return False
-        ports = self.ex_get_node_ports(node)
+        if not port_id:
+            ports = self.ex_get_node_ports(node)
+            port_id = ports[0].id
         if ports:
             # Set to the first node port
             resp = self.network_connection.request(
                 "/v2.0/floatingips/%s" % ip_id,
                 method="PUT",
-                data={"floatingip": {"port_id": ports[0].id}},
+                data={"floatingip": {"port_id": port_id}},
             )
             return resp.status == httplib.OK
         else:

libcloud/test/compute/test_openstack.py

@@ -1677,8 +1677,10 @@ def test_ex_attach_floating_ip_to_node(self):
         node = self.driver.create_node(name="racktest", image=image, size=size)
         node.id = 4242
         ip = "42.42.42.42"
+        port_id = 'ce531f90-199f-48c0-816c-13e38010b442'
 
         self.assertTrue(self.driver.ex_attach_floating_ip_to_node(node, ip))
+        self.assertTrue(self.driver.ex_attach_floating_ip_to_node(node, ip, port_id))
 
     def test_detach_floating_ip_from_node(self):
         image = NodeImage(id=11, name="Ubuntu 8.10 (intrepid)", driver=self.driver)