Move port deletion code to zun/network/neutron.py

This allows the neutron port cleanup logic to be reused by other
runtimes.

Change-Id: I213fa67057a5fceaa9a150ab7c68aedd5f2eb4b0

zun/network/kuryr_network.py

@@ -285,53 +285,7 @@ class KuryrNetwork(network.Network):
                 self.docker.disconnect_container_from_network(container_id,
                                                               network_name)
         finally:
-            for port_id in all_ports:
-                try:
-                    if port_id in neutron_ports:
-                        self.neutron_api.delete_port(port_id)
-                    else:
-                        self._unbind_port(port_id)
-                except exceptions.PortNotFoundClient:
-                    LOG.warning('Maybe your libnetwork distribution do not '
-                                'have patch https://review.openstack.org/#/c/'
-                                '441024/ or neutron tag extension does not '
-                                'supported or not enabled.')
-
-    def _unbind_port(self, port_id):
-        port_req_body = {'port': {'device_id': '', 'device_owner': ''}}
-        port_req_body['port'][consts.BINDING_HOST_ID] = None
-        try:
-            port = self.neutron_api.get_neutron_port(port_id)
-        except exception.PortNotFound:
-            LOG.debug('Unable to show port %s as it no longer '
-                      'exists.', port_id)
-            return
-        except Exception:
-            # NOTE: In case we can't retrieve the binding:profile assume
-            # that they are empty
-            LOG.exception("Unable to get binding:profile for port '%s'",
-                          port_id)
-            port_profile = {}
-        else:
-            port_profile = port.get(consts.BINDING_PROFILE, {})
-        # NOTE: We're doing this to remove the binding information
-        # for the physical device but don't want to overwrite the other
-        # information in the binding profile.
-        for profile_key in ('pci_vendor_info', 'pci_slot'):
-            if profile_key in port_profile:
-                del port_profile[profile_key]
-        port_req_body['port'][consts.BINDING_PROFILE] = port_profile
-
-        try:
-            # Requires admin creds to set port bindings
-            self.neutron_api.update_port(port_id, port_req_body,
-                                         admin=True)
-        except exception.PortNotFound:
-            LOG.debug('Unable to unbind port %s as it no longer '
-                      'exists.', port_id)
-        except Exception:
-            LOG.exception("Unable to clear device ID for port '%s'",
-                          port_id)
+            self.neutron_api.delete_or_unbind_ports(all_ports, neutron_ports)
 
     def add_security_groups_to_ports(self, container, security_group_ids):
         port_ids = set()

zun/network/neutron.py

@@ -138,6 +138,54 @@ class NeutronAPI(object):
 
         return addresses, neutron_port
 
+    def delete_or_unbind_ports(self, ports, ports_to_delete):
+        for port_id in ports:
+            try:
+                if port_id in ports_to_delete:
+                    self.delete_port(port_id)
+                else:
+                    self._unbind_port(port_id)
+            except n_exceptions.PortNotFoundClient:
+                LOG.warning('Maybe your libnetwork distribution do not '
+                            'have patch https://review.openstack.org/#/c/'
+                            '441024/ or neutron tag extension does not '
+                            'supported or not enabled.')
+
+    def _unbind_port(self, port_id):
+        port_req_body = {'port': {'device_id': '', 'device_owner': ''}}
+        port_req_body['port'][consts.BINDING_HOST_ID] = None
+        try:
+            port = self.get_neutron_port(port_id)
+        except exception.PortNotFound:
+            LOG.debug('Unable to show port %s as it no longer '
+                      'exists.', port_id)
+            return
+        except Exception:
+            # NOTE: In case we can't retrieve the binding:profile assume
+            # that they are empty
+            LOG.exception("Unable to get binding:profile for port '%s'",
+                          port_id)
+            port_profile = {}
+        else:
+            port_profile = port.get(consts.BINDING_PROFILE, {})
+        # NOTE: We're doing this to remove the binding information
+        # for the physical device but don't want to overwrite the other
+        # information in the binding profile.
+        for profile_key in ('pci_vendor_info', 'pci_slot'):
+            if profile_key in port_profile:
+                del port_profile[profile_key]
+        port_req_body['port'][consts.BINDING_PROFILE] = port_profile
+
+        try:
+            # Requires admin creds to set port bindings
+            self.update_port(port_id, port_req_body, admin=True)
+        except exception.PortNotFound:
+            LOG.debug('Unable to unbind port %s as it no longer '
+                      'exists.', port_id)
+        except Exception:
+            LOG.exception("Unable to clear device ID for port '%s'",
+                          port_id)
+
     def _refresh_neutron_extensions_cache(self):
         """Refresh the neutron extensions cache when necessary."""
         if (not self.last_neutron_extension_sync or

zun/tests/unit/network/test_kuryr_network.py

@@ -116,6 +116,14 @@ class FakeNeutronClient(object):
 
         return addresses, neutron_port
 
+    def delete_or_unbind_ports(self, ports, ports_to_delete):
+        for port_id in ports:
+            if port_id in ports_to_delete:
+                self.delete_port(port_id)
+            else:
+                port_req_body = {'port': {'device_id': ''}}
+                self.update_port(port_id, port_req_body)
+
     def delete_port(self, port_id):
         for port in self.ports:
             if port['id'] == port_id: