[gnuoy,r=james-page] Add support for different AMQP brokers for nova and neutron.

config.yaml

@@ -50,6 +50,14 @@ options:
     type: string
     description: RabbitMQ Virtual Host
     default: openstack
+  nova-rabbit-user:
+    type: string
+    description: RabbitMQ Nova user
+    default: nova
+  nova-rabbit-vhost:
+    type: string
+    description: RabbitMQ Nova Virtual Host
+    default: openstack
   debug:
     default: False
     type: boolean

hooks/amqp-nova-relation-changed

@@ -0,0 +1 @@
+quantum_hooks.py

hooks/amqp-nova-relation-departed

@@ -0,0 +1 @@
+quantum_hooks.py

hooks/amqp-nova-relation-joined

@@ -0,0 +1 @@
+quantum_hooks.py

hooks/charmhelpers/contrib/openstack/amulet/deployment.py

@@ -0,0 +1,38 @@
+from charmhelpers.contrib.amulet.deployment import (
+    AmuletDeployment
+)
+
+
+class OpenStackAmuletDeployment(AmuletDeployment):
+    """This class inherits from AmuletDeployment and has additional support
+       that is specifically for use by OpenStack charms."""
+
+    def __init__(self, series=None, openstack=None):
+        """Initialize the deployment environment."""
+        self.openstack = None
+        super(OpenStackAmuletDeployment, self).__init__(series)
+
+        if openstack:
+            self.openstack = openstack
+
+    def _configure_services(self, configs):
+        """Configure all of the services."""
+        for service, config in configs.iteritems():
+            if service == self.this_service:
+                config['openstack-origin'] = self.openstack
+            self.d.configure(service, config)
+
+    def _get_openstack_release(self):
+        """Return an integer representing the enum value of the openstack
+           release."""
+        self.precise_essex, self.precise_folsom, self.precise_grizzly, \
+            self.precise_havana, self.precise_icehouse, \
+            self.trusty_icehouse = range(6)
+        releases = {
+            ('precise', None): self.precise_essex,
+            ('precise', 'cloud:precise-folsom'): self.precise_folsom,
+            ('precise', 'cloud:precise-grizzly'): self.precise_grizzly,
+            ('precise', 'cloud:precise-havana'): self.precise_havana,
+            ('precise', 'cloud:precise-icehouse'): self.precise_icehouse,
+            ('trusty', None): self.trusty_icehouse}
+        return releases[(self.series, self.openstack)]

hooks/charmhelpers/contrib/openstack/amulet/utils.py

@@ -0,0 +1,151 @@
+import logging
+
+import glanceclient.v1.client as glance_client
+import keystoneclient.v2_0 as keystone_client
+import novaclient.v1_1.client as nova_client
+
+from charmhelpers.contrib.amulet.utils import (
+    AmuletUtils
+)
+
+DEBUG = logging.DEBUG
+ERROR = logging.ERROR
+
+
+class OpenStackAmuletUtils(AmuletUtils):
+    """This class inherits from AmuletUtils and has additional support
+       that is specifically for use by OpenStack charms."""
+
+    def __init__(self, log_level=ERROR):
+        """Initialize the deployment environment."""
+        super(OpenStackAmuletUtils, self).__init__(log_level)
+
+    def validate_endpoint_data(self, endpoints, admin_port, internal_port,
+                               public_port, expected):
+        """Validate actual endpoint data vs expected endpoint data. The ports
+           are used to find the matching endpoint."""
+        found = False
+        for ep in endpoints:
+            self.log.debug('endpoint: {}'.format(repr(ep)))
+            if admin_port in ep.adminurl and internal_port in ep.internalurl \
+               and public_port in ep.publicurl:
+                found = True
+                actual = {'id': ep.id,
+                          'region': ep.region,
+                          'adminurl': ep.adminurl,
+                          'internalurl': ep.internalurl,
+                          'publicurl': ep.publicurl,
+                          'service_id': ep.service_id}
+                ret = self._validate_dict_data(expected, actual)
+                if ret:
+                    return 'unexpected endpoint data - {}'.format(ret)
+
+        if not found:
+            return 'endpoint not found'
+
+    def validate_svc_catalog_endpoint_data(self, expected, actual):
+        """Validate a list of actual service catalog endpoints vs a list of
+           expected service catalog endpoints."""
+        self.log.debug('actual: {}'.format(repr(actual)))
+        for k, v in expected.iteritems():
+            if k in actual:
+                ret = self._validate_dict_data(expected[k][0], actual[k][0])
+                if ret:
+                    return self.endpoint_error(k, ret)
+            else:
+                return "endpoint {} does not exist".format(k)
+        return ret
+
+    def validate_tenant_data(self, expected, actual):
+        """Validate a list of actual tenant data vs list of expected tenant
+           data."""
+        self.log.debug('actual: {}'.format(repr(actual)))
+        for e in expected:
+            found = False
+            for act in actual:
+                a = {'enabled': act.enabled, 'description': act.description,
+                     'name': act.name, 'id': act.id}
+                if e['name'] == a['name']:
+                    found = True
+                    ret = self._validate_dict_data(e, a)
+                    if ret:
+                        return "unexpected tenant data - {}".format(ret)
+            if not found:
+                return "tenant {} does not exist".format(e.name)
+        return ret
+
+    def validate_role_data(self, expected, actual):
+        """Validate a list of actual role data vs a list of expected role
+           data."""
+        self.log.debug('actual: {}'.format(repr(actual)))
+        for e in expected:
+            found = False
+            for act in actual:
+                a = {'name': act.name, 'id': act.id}
+                if e['name'] == a['name']:
+                    found = True
+                    ret = self._validate_dict_data(e, a)
+                    if ret:
+                        return "unexpected role data - {}".format(ret)
+            if not found:
+                return "role {} does not exist".format(e.name)
+        return ret
+
+    def validate_user_data(self, expected, actual):
+        """Validate a list of actual user data vs a list of expected user
+           data."""
+        self.log.debug('actual: {}'.format(repr(actual)))
+        for e in expected:
+            found = False
+            for act in actual:
+                a = {'enabled': act.enabled, 'name': act.name,
+                     'email': act.email, 'tenantId': act.tenantId,
+                     'id': act.id}
+                if e['name'] == a['name']:
+                    found = True
+                    ret = self._validate_dict_data(e, a)
+                    if ret:
+                        return "unexpected user data - {}".format(ret)
+            if not found:
+                return "user {} does not exist".format(e.name)
+        return ret
+
+    def validate_flavor_data(self, expected, actual):
+        """Validate a list of actual flavors vs a list of expected flavors."""
+        self.log.debug('actual: {}'.format(repr(actual)))
+        act = [a.name for a in actual]
+        return self._validate_list_data(expected, act)
+
+    def tenant_exists(self, keystone, tenant):
+        """Return True if tenant exists"""
+        return tenant in [t.name for t in keystone.tenants.list()]
+
+    def authenticate_keystone_admin(self, keystone_sentry, user, password,
+                                    tenant):
+        """Authenticates admin user with the keystone admin endpoint."""
+        service_ip = \
+            keystone_sentry.relation('shared-db',
+                                     'mysql:shared-db')['private-address']
+        ep = "http://{}:35357/v2.0".format(service_ip.strip().decode('utf-8'))
+        return keystone_client.Client(username=user, password=password,
+                                      tenant_name=tenant, auth_url=ep)
+
+    def authenticate_keystone_user(self, keystone, user, password, tenant):
+        """Authenticates a regular user with the keystone public endpoint."""
+        ep = keystone.service_catalog.url_for(service_type='identity',
+                                              endpoint_type='publicURL')
+        return keystone_client.Client(username=user, password=password,
+                                      tenant_name=tenant, auth_url=ep)
+
+    def authenticate_glance_admin(self, keystone):
+        """Authenticates admin user with glance."""
+        ep = keystone.service_catalog.url_for(service_type='image',
+                                              endpoint_type='adminURL')
+        return glance_client.Client(ep, token=keystone.auth_token)
+
+    def authenticate_nova_user(self, keystone, user, password, tenant):
+        """Authenticates a regular user with nova-api."""
+        ep = keystone.service_catalog.url_for(service_type='identity',
+                                              endpoint_type='publicURL')
+        return nova_client.Client(username=user, api_key=password,
+                                  project_id=tenant, auth_url=ep)

hooks/charmhelpers/contrib/openstack/context.py

@@ -243,23 +243,31 @@ class IdentityServiceContext(OSContextGenerator):
 
 
 class AMQPContext(OSContextGenerator):
-    interfaces = ['amqp']
 
-    def __init__(self, ssl_dir=None):
+    def __init__(self, ssl_dir=None, rel_name='amqp', relation_prefix=None):
         self.ssl_dir = ssl_dir
+        self.rel_name = rel_name
+        self.relation_prefix = relation_prefix
+        self.interfaces = [rel_name]
 
     def __call__(self):
         log('Generating template context for amqp')
         conf = config()
+        user_setting = 'rabbit-user'
+        vhost_setting = 'rabbit-vhost'
+        if self.relation_prefix:
+            user_setting = self.relation_prefix + '-rabbit-user'
+            vhost_setting = self.relation_prefix + '-rabbit-vhost'
+
         try:
-            username = conf['rabbit-user']
-            vhost = conf['rabbit-vhost']
+            username = conf[user_setting]
+            vhost = conf[vhost_setting]
         except KeyError as e:
             log('Could not generate shared_db context. '
                 'Missing required charm config options: %s.' % e)
             raise OSContextError
         ctxt = {}
-        for rid in relation_ids('amqp'):
+        for rid in relation_ids(self.rel_name):
             ha_vip_only = False
             for unit in related_units(rid):
                 if relation_get('clustered', rid=rid, unit=unit):
@@ -541,6 +549,26 @@ class NeutronContext(OSContextGenerator):
 
         return nvp_ctxt
 
+    def n1kv_ctxt(self):
+        driver = neutron_plugin_attribute(self.plugin, 'driver',
+                                          self.network_manager)
+        n1kv_config = neutron_plugin_attribute(self.plugin, 'config',
+                                               self.network_manager)
+        n1kv_ctxt = {
+            'core_plugin': driver,
+            'neutron_plugin': 'n1kv',
+            'neutron_security_groups': self.neutron_security_groups,
+            'local_ip': unit_private_ip(),
+            'config': n1kv_config,
+            'vsm_ip': config('n1kv-vsm-ip'),
+            'vsm_username': config('n1kv-vsm-username'),
+            'vsm_password': config('n1kv-vsm-password'),
+            'restrict_policy_profiles': config(
+                'n1kv_restrict_policy_profiles'),
+        }
+
+        return n1kv_ctxt
+
     def neutron_ctxt(self):
         if https():
             proto = 'https'
@@ -572,6 +600,8 @@ class NeutronContext(OSContextGenerator):
             ctxt.update(self.ovs_ctxt())
         elif self.plugin in ['nvp', 'nsx']:
             ctxt.update(self.nvp_ctxt())
+        elif self.plugin == 'n1kv':
+            ctxt.update(self.n1kv_ctxt())
 
         alchemy_flags = config('neutron-alchemy-flags')
         if alchemy_flags:

hooks/charmhelpers/contrib/openstack/neutron.py

@@ -128,6 +128,20 @@ def neutron_plugins():
             'server_packages': ['neutron-server',
                                 'neutron-plugin-vmware'],
             'server_services': ['neutron-server']
+        },
+        'n1kv': {
+            'config': '/etc/neutron/plugins/cisco/cisco_plugins.ini',
+            'driver': 'neutron.plugins.cisco.network_plugin.PluginV2',
+            'contexts': [
+                context.SharedDBContext(user=config('neutron-database-user'),
+                                        database=config('neutron-database'),
+                                        relation_prefix='neutron',
+                                        ssl_dir=NEUTRON_CONF_DIR)],
+            'services': [],
+            'packages': [['neutron-plugin-cisco']],
+            'server_packages': ['neutron-server',
+                                'neutron-plugin-cisco'],
+            'server_services': ['neutron-server']
         }
     }
     if release >= 'icehouse':

hooks/charmhelpers/contrib/openstack/utils.py

@@ -3,7 +3,6 @@
 # Common python helper functions used for OpenStack charms.
 from collections import OrderedDict
 
-import apt_pkg as apt
 import subprocess
 import os
 import socket
@@ -85,6 +84,8 @@ def get_os_codename_install_source(src):
     '''Derive OpenStack release codename from a given installation source.'''
     ubuntu_rel = lsb_release()['DISTRIB_CODENAME']
     rel = ''
+    if src is None:
+        return rel
     if src in ['distro', 'distro-proposed']:
         try:
             rel = UBUNTU_OPENSTACK_RELEASE[ubuntu_rel]
@@ -132,6 +133,7 @@ def get_os_version_codename(codename):
 
 def get_os_codename_package(package, fatal=True):
     '''Derive OpenStack release codename from an installed package.'''
+    import apt_pkg as apt
     apt.init()
 
     # Tell apt to build an in-memory cache to prevent race conditions (if
@@ -189,7 +191,7 @@ def get_os_version_package(pkg, fatal=True):
     for version, cname in vers_map.iteritems():
         if cname == codename:
             return version
-    #e = "Could not determine OpenStack version for package: %s" % pkg
+    # e = "Could not determine OpenStack version for package: %s" % pkg
     # error_out(e)
 
 
@@ -325,6 +327,7 @@ def openstack_upgrade_available(package):
 
     """
 
+    import apt_pkg as apt
     src = config('openstack-origin')
     cur_vers = get_os_version_package(package)
     available_vers = get_os_version_install_source(src)

hooks/charmhelpers/contrib/storage/linux/utils.py

@@ -37,6 +37,7 @@ def zap_disk(block_device):
     check_call(['dd', 'if=/dev/zero', 'of=%s' % (block_device),
                 'bs=512', 'count=100', 'seek=%s' % (gpt_end)])
 
+
 def is_device_mounted(device):
     '''Given a device path, return True if that device is mounted, and False
     if it isn't.

hooks/charmhelpers/core/fstab.py

@@ -0,0 +1,116 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+__author__ = 'Jorge Niedbalski R. <jorge.niedbalski@canonical.com>'
+
+import os
+
+
+class Fstab(file):
+    """This class extends file in order to implement a file reader/writer
+    for file `/etc/fstab`
+    """
+
+    class Entry(object):
+        """Entry class represents a non-comment line on the `/etc/fstab` file
+        """
+        def __init__(self, device, mountpoint, filesystem,
+                     options, d=0, p=0):
+            self.device = device
+            self.mountpoint = mountpoint
+            self.filesystem = filesystem
+
+            if not options:
+                options = "defaults"
+
+            self.options = options
+            self.d = d
+            self.p = p
+
+        def __eq__(self, o):
+            return str(self) == str(o)
+
+        def __str__(self):
+            return "{} {} {} {} {} {}".format(self.device,
+                                              self.mountpoint,
+                                              self.filesystem,
+                                              self.options,
+                                              self.d,
+                                              self.p)
+
+    DEFAULT_PATH = os.path.join(os.path.sep, 'etc', 'fstab')
+
+    def __init__(self, path=None):
+        if path:
+            self._path = path
+        else:
+            self._path = self.DEFAULT_PATH
+        file.__init__(self, self._path, 'r+')
+
+    def _hydrate_entry(self, line):
+        # NOTE: use split with no arguments to split on any
+        #       whitespace including tabs
+        return Fstab.Entry(*filter(
+            lambda x: x not in ('', None),
+            line.strip("\n").split()))
+
+    @property
+    def entries(self):
+        self.seek(0)
+        for line in self.readlines():
+            try:
+                if not line.startswith("#"):
+                    yield self._hydrate_entry(line)
+            except ValueError:
+                pass
+
+    def get_entry_by_attr(self, attr, value):
+        for entry in self.entries:
+            e_attr = getattr(entry, attr)
+            if e_attr == value:
+                return entry
+        return None
+
+    def add_entry(self, entry):
+        if self.get_entry_by_attr('device', entry.device):
+            return False
+
+        self.write(str(entry) + '\n')
+        self.truncate()
+        return entry
+
+    def remove_entry(self, entry):
+        self.seek(0)
+
+        lines = self.readlines()
+
+        found = False
+        for index, line in enumerate(lines):
+            if not line.startswith("#"):
+                if self._hydrate_entry(line) == entry:
+                    found = True
+                    break
+
+        if not found:
+            return False
+
+        lines.remove(line)
+
+        self.seek(0)
+        self.write(''.join(lines))
+        self.truncate()
+        return True
+
+    @classmethod
+    def remove_by_mountpoint(cls, mountpoint, path=None):
+        fstab = cls(path=path)
+        entry = fstab.get_entry_by_attr('mountpoint', mountpoint)
+        if entry:
+            return fstab.remove_entry(entry)
+        return False
+
+    @classmethod
+    def add(cls, device, mountpoint, filesystem, options=None, path=None):
+        return cls(path=path).add_entry(Fstab.Entry(device,
+                                                    mountpoint, filesystem,
+                                                    options=options))

hooks/charmhelpers/core/host.py

@@ -12,11 +12,11 @@ import random
 import string
 import subprocess
 import hashlib
-import apt_pkg
 
 from collections import OrderedDict
 
 from hookenv import log
+from fstab import Fstab
 
 
 def service_start(service_name):
@@ -35,7 +35,8 @@ def service_restart(service_name):
 
 
 def service_reload(service_name, restart_on_failure=False):
-    """Reload a system service, optionally falling back to restart if reload fails"""
+    """Reload a system service, optionally falling back to restart if
+    reload fails"""
     service_result = service('reload', service_name)
     if not service_result and restart_on_failure:
         service_result = service('restart', service_name)
@@ -144,7 +145,19 @@ def write_file(path, content, owner='root', group='root', perms=0444):
         target.write(content)
 
 
-def mount(device, mountpoint, options=None, persist=False):
+def fstab_remove(mp):
+    """Remove the given mountpoint entry from /etc/fstab
+    """
+    return Fstab.remove_by_mountpoint(mp)
+
+
+def fstab_add(dev, mp, fs, options=None):
+    """Adds the given device entry to the /etc/fstab file
+    """
+    return Fstab.add(dev, mp, fs, options=options)
+
+
+def mount(device, mountpoint, options=None, persist=False, filesystem="ext3"):
     """Mount a filesystem at a particular mountpoint"""
     cmd_args = ['mount']
     if options is not None:
@@ -155,9 +168,9 @@ def mount(device, mountpoint, options=None, persist=False):
     except subprocess.CalledProcessError, e:
         log('Error mounting {} at {}\n{}'.format(device, mountpoint, e.output))
         return False
+
     if persist:
-        # TODO: update fstab
-        pass
+        return fstab_add(device, mountpoint, filesystem, options=options)
     return True
 
 
@@ -169,9 +182,9 @@ def umount(mountpoint, persist=False):
     except subprocess.CalledProcessError, e:
         log('Error unmounting {}\n{}'.format(mountpoint, e.output))
         return False
+
     if persist:
-        # TODO: update fstab
-        pass
+        return fstab_remove(mountpoint)
     return True
 
 
@@ -304,6 +317,7 @@ def cmp_pkgrevno(package, revno, pkgcache=None):
        0 => Installed revno is the same as supplied arg
       -1 => Installed revno is less than supplied arg
     '''
+    import apt_pkg
     if not pkgcache:
         apt_pkg.init()
         pkgcache = apt_pkg.Cache()

hooks/charmhelpers/fetch/__init__.py

@@ -13,7 +13,6 @@ from charmhelpers.core.hookenv import (
     config,
     log,
 )
-import apt_pkg
 import os
 
 
@@ -117,6 +116,7 @@ class BaseFetchHandler(object):
 
 def filter_installed_packages(packages):
     """Returns a list of packages that require installation"""
+    import apt_pkg
     apt_pkg.init()
 
     # Tell apt to build an in-memory cache to prevent race conditions (if

hooks/charmhelpers/fetch/bzrurl.py

@@ -39,7 +39,8 @@ class BzrUrlFetchHandler(BaseFetchHandler):
     def install(self, source):
         url_parts = self.parse_url(source)
         branch_name = url_parts.path.strip("/").split("/")[-1]
-        dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched", branch_name)
+        dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched",
+                                branch_name)
         if not os.path.exists(dest_dir):
             mkdir(dest_dir, perms=0755)
         try:

hooks/quantum_hooks.py

@@ -83,6 +83,8 @@ def config_changed():
         pgsql_db_joined(relation_id=r_id)
     for r_id in relation_ids('amqp'):
         amqp_joined(relation_id=r_id)
+    for r_id in relation_ids('amqp-nova'):
+        amqp_nova_joined(relation_id=r_id)
     if valid_plugin():
         CONFIGS.write_all()
         configure_ovs()
@@ -123,6 +125,13 @@ def pgsql_db_joined(relation_id=None):
                  relation_id=relation_id)
 
 
+@hooks.hook('amqp-nova-relation-joined')
+def amqp_nova_joined(relation_id=None):
+    relation_set(relation_id=relation_id,
+                 username=config('nova-rabbit-user'),
+                 vhost=config('nova-rabbit-vhost'))
+
+
 @hooks.hook('amqp-relation-joined')
 def amqp_joined(relation_id=None):
     relation_set(relation_id=relation_id,
@@ -130,6 +139,16 @@ def amqp_joined(relation_id=None):
                  vhost=config('rabbit-vhost'))
 
 
+@hooks.hook('amqp-nova-relation-departed')
+@hooks.hook('amqp-nova-relation-changed')
+@restart_on_change(restart_map())
+def amqp_nova_changed():
+    if 'amqp-nova' not in CONFIGS.complete_contexts():
+        log('amqp relation incomplete. Peer not ready?')
+        return
+    CONFIGS.write_all()
+
+
 @hooks.hook('amqp-relation-departed')
 @restart_on_change(restart_map())
 def amqp_departed():

hooks/quantum_utils.py

@@ -7,7 +7,8 @@ from charmhelpers.core.hookenv import (
     log,
     config,
     relations_of_type,
-    unit_private_ip
+    unit_private_ip,
+    is_relation_made,
 )
 from charmhelpers.fetch import (
     apt_upgrade,
@@ -183,8 +184,7 @@ NOVA_CONF = "/etc/nova/nova.conf"
 
 NOVA_CONFIG_FILES = {
     NOVA_CONF: {
-        'hook_contexts': [context.AMQPContext(ssl_dir=NOVA_CONF_DIR),
-                          context.SharedDBContext(ssl_dir=NOVA_CONF_DIR),
+        'hook_contexts': [context.SharedDBContext(ssl_dir=NOVA_CONF_DIR),
                           context.PostgresqlDBContext(),
                           NetworkServiceContext(),
                           QuantumGatewayContext(),
@@ -352,6 +352,17 @@ def register_configs():
         if drop_config in CONFIG_FILES[name][plugin]:
             CONFIG_FILES[name][plugin].pop(drop_config)
 
+    if is_relation_made('amqp-nova'):
+        amqp_nova_ctxt = context.AMQPContext(
+            ssl_dir=NOVA_CONF_DIR,
+            rel_name='amqp-nova',
+            relation_prefix='nova')
+    else:
+        amqp_nova_ctxt = context.AMQPContext(
+            ssl_dir=NOVA_CONF_DIR,
+            rel_name='amqp')
+    CONFIG_FILES[name][plugin][NOVA_CONF][
+        'hook_contexts'].append(amqp_nova_ctxt)
     for conf in CONFIG_FILES[name][plugin]:
         configs.register(conf,
                          CONFIG_FILES[name][plugin][conf]['hook_contexts'])

metadata.yaml

@@ -25,6 +25,8 @@ requires:
     interface: pgsql
   amqp:
     interface: rabbitmq
+  amqp-nova:
+    interface: rabbitmq
 peers:
   cluster:
     interface: quantum-gateway-ha

unit_tests/test_quantum_hooks.py

@@ -93,6 +93,24 @@ class TestQuantumHooks(CharmTestCase):
         self.assertTrue(self.log.called)
         _exit.assert_called_with(1)
 
+    def test_config_changed(self):
+        def mock_relids(rel):
+            return ['relid']
+        self.openstack_upgrade_available.return_value = True
+        self.valid_plugin.return_value = True
+        self.relation_ids.side_effect = mock_relids
+        _db_joined = self.patch('db_joined')
+        _pgsql_db_joined = self.patch('pgsql_db_joined')
+        _amqp_joined = self.patch('amqp_joined')
+        _amqp_nova_joined = self.patch('amqp_nova_joined')
+        self._call_hook('config-changed')
+        self.assertTrue(self.do_openstack_upgrade.called)
+        self.assertTrue(self.configure_ovs.called)
+        self.assertTrue(_db_joined.called)
+        self.assertTrue(_pgsql_db_joined.called)
+        self.assertTrue(_amqp_joined.called)
+        self.assertTrue(_amqp_nova_joined.called)
+
     def test_config_changed_upgrade(self):
         self.openstack_upgrade_available.return_value = True
         self.valid_plugin.return_value = True
@@ -164,6 +182,34 @@ class TestQuantumHooks(CharmTestCase):
         self._call_hook('amqp-relation-changed')
         self.assertTrue(self.CONFIGS.write_all.called)
 
+    def test_amqp_departed_no_rel(self):
+        self.CONFIGS.complete_contexts.return_value = []
+        self._call_hook('amqp-relation-departed')
+        self.assertFalse(self.CONFIGS.write_all.called)
+
+    def test_amqp_departed(self):
+        self.CONFIGS.complete_contexts.return_value = ['amqp']
+        self._call_hook('amqp-relation-departed')
+        self.assertTrue(self.CONFIGS.write_all.called)
+
+    def test_amqp_nova_joined(self):
+        self._call_hook('amqp-nova-relation-joined')
+        self.relation_set.assert_called_with(
+            username='nova',
+            vhost='openstack',
+            relation_id=None
+        )
+
+    def test_amqp_nova_changed_no_rel(self):
+        self.CONFIGS.complete_contexts.return_value = []
+        self._call_hook('amqp-nova-relation-changed')
+        self.assertFalse(self.CONFIGS.write_all.called)
+
+    def test_amqp_nova_changed(self):
+        self.CONFIGS.complete_contexts.return_value = ['amqp-nova']
+        self._call_hook('amqp-nova-relation-changed')
+        self.assertTrue(self.CONFIGS.write_all.called)
+
     def test_shared_db_changed(self):
         self._call_hook('shared-db-relation-changed')
         self.assertTrue(self.CONFIGS.write_all.called)

unit_tests/test_quantum_utils.py

@@ -1,6 +1,5 @@
 from mock import MagicMock, call, patch
 import collections
-
 import charmhelpers.contrib.openstack.templating as templating
 
 templating.OSConfigRenderer = MagicMock()
@@ -42,7 +41,8 @@ TO_PATCH = [
     'service_stop',
     'determine_dkms_package',
     'service_restart',
-    'remap_plugin'
+    'remap_plugin',
+    'is_relation_made',
 ]
 
 
@@ -62,6 +62,7 @@ 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'
+
         def noop(value):
             return value
         self.remap_plugin.side_effect = noop
@@ -138,6 +139,7 @@ class TestQuantumUtils(CharmTestCase):
 
     def test_do_openstack_upgrade(self):
         self.config.side_effect = self.test_config.get
+        self.is_relation_made.return_value = False
         self.test_config.set('openstack-origin', 'cloud:precise-havana')
         self.test_config.set('plugin', 'ovs')
         self.get_os_codename_install_source.return_value = 'havana'
@@ -157,6 +159,25 @@ class TestQuantumUtils(CharmTestCase):
 
     def test_register_configs_ovs(self):
         self.config.return_value = 'ovs'
+        self.is_relation_made.return_value = False
+        configs = quantum_utils.register_configs()
+        confs = [quantum_utils.NEUTRON_DHCP_AGENT_CONF,
+                 quantum_utils.NEUTRON_METADATA_AGENT_CONF,
+                 quantum_utils.NOVA_CONF,
+                 quantum_utils.NEUTRON_CONF,
+                 quantum_utils.NEUTRON_L3_AGENT_CONF,
+                 quantum_utils.NEUTRON_OVS_PLUGIN_CONF,
+                 quantum_utils.EXT_PORT_CONF]
+        for conf in confs:
+            configs.register.assert_any_call(
+                conf,
+                quantum_utils.CONFIG_FILES['neutron'][quantum_utils.OVS][conf]
+                                          ['hook_contexts']
+            )
+
+    def test_register_configs_amqp_nova(self):
+        self.config.return_value = 'ovs'
+        self.is_relation_made.return_value = True
         configs = quantum_utils.register_configs()
         confs = [quantum_utils.NEUTRON_DHCP_AGENT_CONF,
                  quantum_utils.NEUTRON_METADATA_AGENT_CONF,
@@ -206,6 +227,7 @@ class TestQuantumUtils(CharmTestCase):
 
     def test_register_configs_nvp(self):
         self.config.return_value = 'nvp'
+        self.is_relation_made.return_value = False
         configs = quantum_utils.register_configs()
         confs = [quantum_utils.NEUTRON_DHCP_AGENT_CONF,
                  quantum_utils.NEUTRON_METADATA_AGENT_CONF,
@@ -273,6 +295,7 @@ class TestQuantumUtils(CharmTestCase):
 
     def test_register_configs_pre_install(self):
         self.config.return_value = 'ovs'
+        self.is_relation_made.return_value = False
         self.networking_name.return_value = 'quantum'
         configs = quantum_utils.register_configs()
         confs = [quantum_utils.QUANTUM_DHCP_AGENT_CONF,

unit_tests/test_utils.py

@@ -79,9 +79,9 @@ class TestConfig(object):
         return self.config
 
     def set(self, attr, value):
-            if attr not in self.config:
-                raise KeyError
-            self.config[attr] = value
+        if attr not in self.config:
+            raise KeyError
+        self.config[attr] = value
 
 
 class TestRelation(object):