NSX|V: Configurable backend security group name

Adding a configuration for the format of the NSX security group
created by openstack.
The parameter is nsx_sg_name_format under the nsxv section, and
the default format is '%(name)s (%(id)s)' (as it was before)

Change-Id: I2081bdd3ca18ee62c178ae83baf5ed2cc87bc1da

vmware_nsx/common/config.py

@@ -836,6 +836,10 @@ nsxv_opts = [
                 default=False,
                 help=_("Allow associating multiple IPs to VMs "
                        "without spoofguard limitations")),
+    cfg.StrOpt('nsx_sg_name_format',
+               default='%(name)s (%(id)s)',
+               help=_("(Optional) Format for the NSX name of an openstack "
+                      "security group")),
 ]
 
 # define the configuration of each NSX-V availability zone.

vmware_nsx/plugins/nsx_v/vshield/securitygroup_utils.py

@@ -15,6 +15,7 @@
 
 import xml.etree.ElementTree as et
 
+from oslo_config import cfg
 from oslo_log import log as logging
 
 from vmware_nsx.common import utils
@@ -154,7 +155,13 @@ class NsxSecurityGroupUtils(object):
         return et.fromstring(xml_string)
 
     def get_nsx_sg_name(self, sg_data):
-        return '%(name)s (%(id)s)' % sg_data
+        try:
+            return cfg.CONF.nsxv.nsx_sg_name_format % sg_data
+        except Exception as e:
+            # Illegal format:
+            LOG.error("get_nsx_sg_name failed due to invalid format %s: %s",
+                      cfg.CONF.nsxv.nsx_sg_name_format, e)
+            return '%(name)s (%(id)s)' % sg_data
 
     def get_nsx_section_name(self, sg_data):
         return 'SG Section: %s' % self.get_nsx_sg_name(sg_data)

vmware_nsx/tests/unit/nsx_v/test_plugin.py

@@ -15,6 +15,7 @@
 
 import contextlib
 import copy
+import re
 
 import decorator
 
@@ -4103,6 +4104,35 @@ class NsxVTestSecurityGroup(ext_sg.TestSecurityGroups,
         sg = self._plugin_update_security_group(_context, sg['id'], True)
         self.assertTrue(sg['logging'])
 
+    def _create_default_sg(self, ctx):
+        self.plugin._ensure_default_security_group(ctx, 'tenant_id')
+
+    def test_create_security_group_default_nsx_name(self):
+        _context = context.get_admin_context()
+        self._create_default_sg(_context)
+        with mock.patch.object(self.plugin.nsx_v.vcns,
+                               'create_security_group',
+                               return_value=({}, '3')) as nsxv_create:
+            self._plugin_create_security_group(_context)
+            created_sg = nsxv_create.call_args[0]
+            created_name = created_sg[0]['securitygroup']['name']
+            self.assertTrue(re.match(r'SG \(.*\)', created_name))
+
+    def test_create_security_group_non_default_nsx_name(self):
+        # Use non default nsx name format
+        cfg.CONF.set_override('nsx_sg_name_format', '%(name)s [%(id)s]',
+            group="nsxv")
+
+        _context = context.get_admin_context()
+        self._create_default_sg(_context)
+        with mock.patch.object(self.plugin.nsx_v.vcns,
+                               'create_security_group',
+                               return_value=({}, '3')) as nsxv_create:
+            self._plugin_create_security_group(_context)
+            created_sg = nsxv_create.call_args[0]
+            created_name = created_sg[0]['securitygroup']['name']
+            self.assertTrue(re.match(r'SG \[.*\]', created_name))
+
     def test_create_security_group_rule_bulk(self):
         """Verify that bulk rule create updates the backend section once"""
         fake_update_sect = self.fc2.update_section