275 lines
10 KiB
Python
275 lines
10 KiB
Python
from mock import (
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Mock,
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MagicMock,
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patch
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)
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import neutron_contexts
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import sys
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from contextlib import contextmanager
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from test_utils import (
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CharmTestCase
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)
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TO_PATCH = [
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'apt_install',
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'config',
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'eligible_leader',
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'get_os_codename_install_source',
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'unit_get',
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]
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@contextmanager
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def patch_open():
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'''Patch open() to allow mocking both open() itself and the file that is
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yielded.
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Yields the mock for "open" and "file", respectively.'''
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mock_open = MagicMock(spec=open)
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mock_file = MagicMock(spec=file)
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@contextmanager
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def stub_open(*args, **kwargs):
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mock_open(*args, **kwargs)
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yield mock_file
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with patch('__builtin__.open', stub_open):
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yield mock_open, mock_file
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class DummyNeutronAPIContext():
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def __init__(self, return_value):
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self.return_value = return_value
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def __call__(self):
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return self.return_value
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class TestL3AgentContext(CharmTestCase):
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def setUp(self):
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super(TestL3AgentContext, self).setUp(neutron_contexts,
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TO_PATCH)
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self.config.side_effect = self.test_config.get
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@patch('neutron_contexts.NeutronAPIContext')
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def test_no_ext_netid(self, _NeutronAPIContext):
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_NeutronAPIContext.return_value = \
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DummyNeutronAPIContext(return_value={'enable_dvr': False})
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self.test_config.set('run-internal-router', 'none')
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self.test_config.set('external-network-id', '')
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self.eligible_leader.return_value = False
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self.assertEquals(neutron_contexts.L3AgentContext()(),
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{'agent_mode': 'legacy',
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'handle_internal_only_router': False,
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'plugin': 'ovs'})
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@patch('neutron_contexts.NeutronAPIContext')
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def test_hior_leader(self, _NeutronAPIContext):
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_NeutronAPIContext.return_value = \
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DummyNeutronAPIContext(return_value={'enable_dvr': False})
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self.test_config.set('run-internal-router', 'leader')
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self.test_config.set('external-network-id', 'netid')
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self.eligible_leader.return_value = True
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self.assertEquals(neutron_contexts.L3AgentContext()(),
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{'agent_mode': 'legacy',
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'handle_internal_only_router': True,
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'ext_net_id': 'netid',
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'plugin': 'ovs'})
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@patch('neutron_contexts.NeutronAPIContext')
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def test_hior_all(self, _NeutronAPIContext):
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_NeutronAPIContext.return_value = \
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DummyNeutronAPIContext(return_value={'enable_dvr': False})
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self.test_config.set('run-internal-router', 'all')
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self.test_config.set('external-network-id', 'netid')
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self.eligible_leader.return_value = True
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self.assertEquals(neutron_contexts.L3AgentContext()(),
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{'agent_mode': 'legacy',
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'handle_internal_only_router': True,
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'ext_net_id': 'netid',
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'plugin': 'ovs'})
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@patch('neutron_contexts.NeutronAPIContext')
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def test_dvr(self, _NeutronAPIContext):
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_NeutronAPIContext.return_value = \
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DummyNeutronAPIContext(return_value={'enable_dvr': True})
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self.assertEquals(neutron_contexts.L3AgentContext()()['agent_mode'],
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'dvr_snat')
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class TestQuantumGatewayContext(CharmTestCase):
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def setUp(self):
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super(TestQuantumGatewayContext, self).setUp(neutron_contexts,
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TO_PATCH)
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self.config.side_effect = self.test_config.get
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self.maxDiff = None
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@patch('charmhelpers.contrib.openstack.context.relation_get')
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@patch('charmhelpers.contrib.openstack.context.related_units')
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@patch('charmhelpers.contrib.openstack.context.relation_ids')
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@patch.object(neutron_contexts, 'get_shared_secret')
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@patch.object(neutron_contexts, 'get_host_ip')
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def test_all(self, _host_ip, _secret, _rids, _runits, _rget):
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rdata = {'l2-population': 'True',
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'enable-dvr': 'True',
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'overlay-network-type': 'gre',
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'enable-l3ha': 'True',
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'network-device-mtu': 9000}
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self.test_config.set('plugin', 'ovs')
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self.test_config.set('debug', False)
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self.test_config.set('verbose', True)
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self.test_config.set('instance-mtu', 1420)
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self.test_config.set('vlan-ranges',
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'physnet1:1000:2000 physnet2:2001:3000')
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self.test_config.set('flat-network-providers', 'physnet3 physnet4')
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# Provided by neutron-api relation
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_rids.return_value = ['neutron-plugin-api:0']
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_runits.return_value = ['neutron-api/0']
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_rget.side_effect = lambda *args, **kwargs: rdata
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self.get_os_codename_install_source.return_value = 'folsom'
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_host_ip.return_value = '10.5.0.1'
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_secret.return_value = 'testsecret'
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ctxt = neutron_contexts.QuantumGatewayContext()()
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self.assertEquals(ctxt, {
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'shared_secret': 'testsecret',
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'enable_dvr': True,
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'enable_l3ha': True,
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'local_ip': '10.5.0.1',
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'instance_mtu': 1420,
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'core_plugin': "quantum.plugins.openvswitch.ovs_quantum_plugin."
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"OVSQuantumPluginV2",
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'plugin': 'ovs',
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'debug': False,
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'verbose': True,
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'l2_population': True,
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'overlay_network_type': 'gre',
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'bridge_mappings': 'physnet1:br-data',
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'network_providers': 'physnet3,physnet4',
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'vlan_ranges': 'physnet1:1000:2000,physnet2:2001:3000',
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'network_device_mtu': 9000,
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'veth_mtu': 9000,
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})
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class TestSharedSecret(CharmTestCase):
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def setUp(self):
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super(TestSharedSecret, self).setUp(neutron_contexts,
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TO_PATCH)
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self.config.side_effect = self.test_config.get
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@patch('os.path')
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@patch('uuid.uuid4')
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def test_secret_created_stored(self, _uuid4, _path):
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_path.exists.return_value = False
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_uuid4.return_value = 'secret_thing'
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with patch_open() as (_open, _file):
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self.assertEquals(neutron_contexts.get_shared_secret(),
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'secret_thing')
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_open.assert_called_with(
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neutron_contexts.SHARED_SECRET.format('quantum'), 'w')
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_file.write.assert_called_with('secret_thing')
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@patch('os.path')
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def test_secret_retrieved(self, _path):
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_path.exists.return_value = True
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with patch_open() as (_open, _file):
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_file.read.return_value = 'secret_thing\n'
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self.assertEquals(neutron_contexts.get_shared_secret(),
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'secret_thing')
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_open.assert_called_with(
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neutron_contexts.SHARED_SECRET.format('quantum'), 'r')
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class TestHostIP(CharmTestCase):
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def setUp(self):
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super(TestHostIP, self).setUp(neutron_contexts,
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TO_PATCH)
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self.config.side_effect = self.test_config.get
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# Save and inject
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self.mods = {'dns': None, 'dns.resolver': None}
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for mod in self.mods:
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if mod not in sys.modules:
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sys.modules[mod] = Mock()
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else:
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del self.mods[mod]
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def tearDown(self):
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super(TestHostIP, self).tearDown()
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# Cleanup
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for mod in self.mods.keys():
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del sys.modules[mod]
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def test_get_host_ip_already_ip(self):
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self.assertEquals(neutron_contexts.get_host_ip('10.5.0.1'),
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'10.5.0.1')
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def test_get_host_ip_noarg(self):
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self.unit_get.return_value = "10.5.0.1"
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self.assertEquals(neutron_contexts.get_host_ip(),
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'10.5.0.1')
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@patch('dns.resolver.query')
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def test_get_host_ip_hostname_unresolvable(self, _query):
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class NXDOMAIN(Exception):
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pass
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_query.side_effect = NXDOMAIN()
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self.assertRaises(NXDOMAIN, neutron_contexts.get_host_ip,
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'missing.example.com')
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@patch('dns.resolver.query')
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def test_get_host_ip_hostname_resolvable(self, _query):
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data = MagicMock()
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data.address = '10.5.0.1'
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_query.return_value = [data]
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self.assertEquals(neutron_contexts.get_host_ip('myhost.example.com'),
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'10.5.0.1')
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_query.assert_called_with('myhost.example.com', 'A')
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class TestMisc(CharmTestCase):
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def setUp(self):
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super(TestMisc,
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self).setUp(neutron_contexts,
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TO_PATCH)
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def test_lt_havana(self):
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self.get_os_codename_install_source.return_value = 'folsom'
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self.assertEquals(neutron_contexts.networking_name(), 'quantum')
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def test_ge_havana(self):
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self.get_os_codename_install_source.return_value = 'havana'
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self.assertEquals(neutron_contexts.networking_name(), 'neutron')
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def test_remap_plugin(self):
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self.get_os_codename_install_source.return_value = 'havana'
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self.assertEquals(neutron_contexts.remap_plugin('nvp'), 'nvp')
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self.assertEquals(neutron_contexts.remap_plugin('nsx'), 'nvp')
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def test_remap_plugin_icehouse(self):
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self.get_os_codename_install_source.return_value = 'icehouse'
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self.assertEquals(neutron_contexts.remap_plugin('nvp'), 'nsx')
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self.assertEquals(neutron_contexts.remap_plugin('nsx'), 'nsx')
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def test_remap_plugin_noop(self):
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self.get_os_codename_install_source.return_value = 'icehouse'
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self.assertEquals(neutron_contexts.remap_plugin('ovs'), 'ovs')
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def test_core_plugin(self):
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self.get_os_codename_install_source.return_value = 'havana'
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self.config.return_value = 'ovs'
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self.assertEquals(neutron_contexts.core_plugin(),
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neutron_contexts.NEUTRON_OVS_PLUGIN)
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def test_core_plugin_ml2(self):
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self.get_os_codename_install_source.return_value = 'icehouse'
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self.config.return_value = 'ovs'
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self.assertEquals(neutron_contexts.core_plugin(),
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neutron_contexts.NEUTRON_ML2_PLUGIN)
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