Deal with drop of openswan in utopic

hooks/quantum_utils.py

@@ -1,7 +1,8 @@
 from charmhelpers.core.host import (
     service_running,
     service_stop,
-    service_restart
+    service_restart,
+    lsb_release
 )
 from charmhelpers.core.hookenv import (
     log,
@@ -112,7 +113,6 @@ NEUTRON_GATEWAY_PKGS = {
         "nova-api-metadata",
         "neutron-plugin-metering-agent",
         "neutron-lbaas-agent",
-        "openswan"
     ],
     NVP: [
         "neutron-dhcp-agent",
@@ -148,10 +148,13 @@ def get_packages():
     plugin = remap_plugin(config('plugin'))
     packages = deepcopy(GATEWAY_PKGS[networking_name()][plugin])
     if (get_os_codename_install_source(config('openstack-origin'))
-            >= 'icehouse' and plugin == 'ovs'):
+            >= 'icehouse' and plugin == 'ovs'
+            and lsb_release()['DISTRIB_CODENAME'] < 'utopic'):
         # NOTE(jamespage) neutron-vpn-agent supercedes l3-agent for icehouse
+        # but openswan was removed in utopic.
         packages.remove('neutron-l3-agent')
         packages.append('neutron-vpn-agent')
+        packages.append('openswan')
     return packages
 
 

unit_tests/test_quantum_utils.py

@@ -43,6 +43,7 @@ TO_PATCH = [
     'service_restart',
     'remap_plugin',
     'is_relation_made',
+    'lsb_release'
 ]
 
 
@@ -62,6 +63,7 @@ class TestQuantumUtils(CharmTestCase):
         super(TestQuantumUtils, self).setUp(quantum_utils, TO_PATCH)
         self.networking_name.return_value = 'neutron'
         self.headers_package.return_value = 'linux-headers-2.6.18'
+        self._set_distrib_codename('trusty')
 
         def noop(value):
             return value
@@ -71,6 +73,9 @@ class TestQuantumUtils(CharmTestCase):
         # Reset cached cache
         hookenv.cache = {}
 
+    def _set_distrib_codename(self, newcodename):
+        self.lsb_release.return_value = {'DISTRIB_CODENAME': newcodename}
+
     def test_valid_plugin(self):
         self.config.return_value = 'ovs'
         self.assertTrue(quantum_utils.valid_plugin())
@@ -113,6 +118,19 @@ class TestQuantumUtils(CharmTestCase):
         self.assertTrue('neutron-vpn-agent' in quantum_utils.get_packages())
         self.assertFalse('neutron-l3-agent' in quantum_utils.get_packages())
 
+    def test_get_packages_ovs_juno_utopic(self):
+        self.config.return_value = 'ovs'
+        self.get_os_codename_install_source.return_value = 'juno'
+        self._set_distrib_codename('utopic')
+        self.assertFalse('neutron-vpn-agent' in quantum_utils.get_packages())
+        self.assertTrue('neutron-l3-agent' in quantum_utils.get_packages())
+
+    def test_get_packages_ovs_juno_trusty(self):
+        self.config.return_value = 'ovs'
+        self.get_os_codename_install_source.return_value = 'juno'
+        self.assertTrue('neutron-vpn-agent' in quantum_utils.get_packages())
+        self.assertFalse('neutron-l3-agent' in quantum_utils.get_packages())
+
     def test_configure_ovs_starts_service_if_required(self):
         self.config.return_value = 'ovs'
         self.service_running.return_value = False