openstack/charm-neutron-openvswitch
Code Issues Proposed changes
73e2e7b594
charm-neutron-openvswitch/unit_tests/test_neutron_ovs_context.py
Liam Young a92b6fb881 Add neutron-control interface 
Add neutron-control interface to allow charms to send triggers to
restart neutron services managed by this charm

Change-Id: I0e44f7cab99db4fb9b5d2764859e16b30705e6fe
2016-08-31 10:40:07 +00:00

545 lines
21 KiB
Python
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# Copyright 2016 Canonical Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from test_utils import CharmTestCase
from test_utils import patch_open
from mock import patch, Mock
import neutron_ovs_context as context
import charmhelpers
TO_PATCH = [
'config',
'unit_get',
'get_host_ip',
'network_get_primary_address',
'glob',
'PCINetDevices',
'relation_ids',
'relation_get',
'related_units',
]
def fake_context(settings):
def outer():
def inner():
return settings
return inner
return outer
class OVSPluginContextTest(CharmTestCase):
def setUp(self):
super(OVSPluginContextTest, self).setUp(context, TO_PATCH)
self.config.side_effect = self.test_config.get
self.test_config.set('debug', True)
self.test_config.set('verbose', True)
self.test_config.set('use-syslog', True)
self.network_get_primary_address.side_effect = NotImplementedError
def tearDown(self):
super(OVSPluginContextTest, self).tearDown()
@patch('charmhelpers.contrib.openstack.context.config')
@patch('charmhelpers.contrib.openstack.context.NeutronPortContext.'
'resolve_ports')
def test_data_port_name(self, mock_resolve_ports, config):
self.test_config.set('data-port', 'br-data:em1')
config.side_effect = self.test_config.get
mock_resolve_ports.side_effect = lambda ports: ports
self.assertEquals(
charmhelpers.contrib.openstack.context.DataPortContext()(),
{'em1': 'br-data'}
)
@patch('charmhelpers.contrib.openstack.context.is_phy_iface',
lambda port: True)
@patch('charmhelpers.contrib.openstack.context.config')
@patch('charmhelpers.contrib.openstack.context.get_nic_hwaddr')
@patch('charmhelpers.contrib.openstack.context.list_nics')
def test_data_port_mac(self, list_nics, get_nic_hwaddr, config):
machine_machs = {
'em1': 'aa:aa:aa:aa:aa:aa',
'eth0': 'bb:bb:bb:bb:bb:bb',
}
absent_mac = "cc:cc:cc:cc:cc:cc"
config_macs = ("br-d1:%s br-d2:%s" %
(absent_mac, machine_machs['em1']))
self.test_config.set('data-port', config_macs)
config.side_effect = self.test_config.get
list_nics.return_value = machine_machs.keys()
get_nic_hwaddr.side_effect = lambda nic: machine_machs[nic]
self.assertEquals(
charmhelpers.contrib.openstack.context.DataPortContext()(),
{'em1': 'br-d2'}
)
@patch.object(charmhelpers.contrib.openstack.context, 'config',
lambda *args: None)
@patch.object(charmhelpers.contrib.openstack.context, 'relation_get')
@patch.object(charmhelpers.contrib.openstack.context, 'relation_ids')
@patch.object(charmhelpers.contrib.openstack.context, 'related_units')
@patch.object(charmhelpers.contrib.openstack.context, 'config')
@patch.object(charmhelpers.contrib.openstack.context, 'unit_get')
@patch.object(charmhelpers.contrib.openstack.context, 'is_clustered')
@patch.object(charmhelpers.contrib.openstack.context, 'https')
@patch.object(context.OVSPluginContext, '_save_flag_file')
@patch.object(context.OVSPluginContext, '_ensure_packages')
@patch.object(charmhelpers.contrib.openstack.context,
'neutron_plugin_attribute')
@patch.object(charmhelpers.contrib.openstack.context, 'unit_private_ip')
def test_neutroncc_context_api_rel(self, _unit_priv_ip, _npa, _ens_pkgs,
_save_ff, _https, _is_clus, _unit_get,
_config, _runits, _rids, _rget):
def mock_npa(plugin, section, manager):
if section == "driver":
return "neutron.randomdriver"
if section == "config":
return "neutron.randomconfig"
config = {'vlan-ranges': "physnet1:1000:1500 physnet2:2000:2500",
'use-syslog': True,
'verbose': True,
'debug': True,
'bridge-mappings': "physnet1:br-data physnet2:br-data",
'flat-network-providers': 'physnet3 physnet4',
'prevent-arp-spoofing': False,
'enable-dpdk': False}
def mock_config(key=None):
if key:
return config.get(key)
return config
self.maxDiff = None
self.config.side_effect = mock_config
_npa.side_effect = mock_npa
_unit_get.return_value = '127.0.0.13'
_unit_priv_ip.return_value = '127.0.0.14'
_is_clus.return_value = False
_runits.return_value = ['unit1']
_rids.return_value = ['rid2']
rdata = {
'neutron-security-groups': 'True',
'l2-population': 'True',
'network-device-mtu': 1500,
'overlay-network-type': 'gre',
'enable-dvr': 'True',
}
_rget.side_effect = lambda *args, **kwargs: rdata
self.get_host_ip.return_value = '127.0.0.15'
napi_ctxt = context.OVSPluginContext()
expect = {
'neutron_security_groups': True,
'distributed_routing': True,
'verbose': True,
'local_ip': '127.0.0.15',
'network_device_mtu': 1500,
'veth_mtu': 1500,
'config': 'neutron.randomconfig',
'use_syslog': True,
'enable_dpdk': False,
'network_manager': 'neutron',
'debug': True,
'core_plugin': 'neutron.randomdriver',
'neutron_plugin': 'ovs',
'neutron_url': 'https://127.0.0.13:9696',
'l2_population': True,
'overlay_network_type': 'gre',
'network_providers': 'physnet3,physnet4',
'bridge_mappings': 'physnet1:br-data,physnet2:br-data',
'vlan_ranges': 'physnet1:1000:1500,physnet2:2000:2500',
'prevent_arp_spoofing': False,
}
self.assertEquals(expect, napi_ctxt())
@patch.object(charmhelpers.contrib.openstack.context, 'relation_get')
@patch.object(charmhelpers.contrib.openstack.context, 'relation_ids')
@patch.object(charmhelpers.contrib.openstack.context, 'related_units')
@patch.object(charmhelpers.contrib.openstack.context, 'config')
@patch.object(charmhelpers.contrib.openstack.context, 'unit_get')
@patch.object(charmhelpers.contrib.openstack.context, 'is_clustered')
@patch.object(charmhelpers.contrib.openstack.context, 'https')
@patch.object(context.OVSPluginContext, '_save_flag_file')
@patch.object(context.OVSPluginContext, '_ensure_packages')
@patch.object(charmhelpers.contrib.openstack.context,
'neutron_plugin_attribute')
@patch.object(charmhelpers.contrib.openstack.context, 'unit_private_ip')
def test_neutroncc_context_api_rel_disable_security(self,
_unit_priv_ip, _npa,
_ens_pkgs, _save_ff,
_https, _is_clus,
_unit_get,
_config, _runits,
_rids, _rget):
def mock_npa(plugin, section, manager):
if section == "driver":
return "neutron.randomdriver"
if section == "config":
return "neutron.randomconfig"
_npa.side_effect = mock_npa
_config.return_value = 'ovs'
_unit_get.return_value = '127.0.0.13'
_unit_priv_ip.return_value = '127.0.0.14'
_is_clus.return_value = False
self.test_config.set('disable-security-groups', True)
_runits.return_value = ['unit1']
_rids.return_value = ['rid2']
rdata = {
'neutron-security-groups': 'True',
'l2-population': 'True',
'network-device-mtu': 1500,
'overlay-network-type': 'gre',
}
_rget.side_effect = lambda *args, **kwargs: rdata
self.get_host_ip.return_value = '127.0.0.15'
napi_ctxt = context.OVSPluginContext()
expect = {
'distributed_routing': False,
'neutron_alchemy_flags': {},
'neutron_security_groups': False,
'verbose': True,
'local_ip': '127.0.0.15',
'veth_mtu': 1500,
'network_device_mtu': 1500,
'config': 'neutron.randomconfig',
'use_syslog': True,
'enable_dpdk': False,
'network_manager': 'neutron',
'debug': True,
'core_plugin': 'neutron.randomdriver',
'neutron_plugin': 'ovs',
'neutron_url': 'https://127.0.0.13:9696',
'l2_population': True,
'overlay_network_type': 'gre',
'bridge_mappings': 'physnet1:br-data',
'vlan_ranges': 'physnet1:1000:2000',
'prevent_arp_spoofing': True,
}
self.maxDiff = None
self.assertEquals(expect, napi_ctxt())
class L3AgentContextTest(CharmTestCase):
def setUp(self):
super(L3AgentContextTest, self).setUp(context, TO_PATCH)
self.config.side_effect = self.test_config.get
def tearDown(self):
super(L3AgentContextTest, self).tearDown()
@patch.object(charmhelpers.contrib.openstack.context, 'relation_get')
@patch.object(charmhelpers.contrib.openstack.context, 'relation_ids')
@patch.object(charmhelpers.contrib.openstack.context, 'related_units')
def test_dvr_enabled(self, _runits, _rids, _rget):
_runits.return_value = ['unit1']
_rids.return_value = ['rid2']
rdata = {
'neutron-security-groups': 'True',
'enable-dvr': 'True',
'l2-population': 'True',
'overlay-network-type': 'vxlan',
'network-device-mtu': 1500,
}
_rget.side_effect = lambda *args, **kwargs: rdata
self.assertEquals(
context.L3AgentContext()(), {'agent_mode': 'dvr',
'external_configuration_new': True}
)
@patch.object(charmhelpers.contrib.openstack.context, 'relation_get')
@patch.object(charmhelpers.contrib.openstack.context, 'relation_ids')
@patch.object(charmhelpers.contrib.openstack.context, 'related_units')
def test_dvr_disabled(self, _runits, _rids, _rget):
_runits.return_value = ['unit1']
_rids.return_value = ['rid2']
rdata = {
'neutron-security-groups': 'True',
'enable-dvr': 'False',
'l2-population': 'True',
'overlay-network-type': 'vxlan',
'network-device-mtu': 1500,
}
_rget.side_effect = lambda *args, **kwargs: rdata
self.assertEquals(context.L3AgentContext()(), {'agent_mode': 'legacy'})
class SharedSecretContext(CharmTestCase):
def setUp(self):
super(SharedSecretContext, self).setUp(context,
TO_PATCH)
self.config.side_effect = self.test_config.get
@patch('os.path')
@patch('uuid.uuid4')
def test_secret_created_stored(self, _uuid4, _path):
_path.exists.return_value = False
_uuid4.return_value = 'secret_thing'
with patch_open() as (_open, _file):
self.assertEquals(context.get_shared_secret(),
'secret_thing')
_open.assert_called_with(
context.SHARED_SECRET.format('quantum'), 'w')
_file.write.assert_called_with('secret_thing')
@patch('os.path')
def test_secret_retrieved(self, _path):
_path.exists.return_value = True
with patch_open() as (_open, _file):
_file.read.return_value = 'secret_thing\n'
self.assertEquals(context.get_shared_secret(),
'secret_thing')
_open.assert_called_with(
context.SHARED_SECRET.format('quantum'), 'r')
@patch.object(context, 'NeutronAPIContext')
@patch.object(context, 'get_shared_secret')
def test_shared_secretcontext_dvr(self, _shared_secret,
_NeutronAPIContext):
_NeutronAPIContext.side_effect = fake_context({'enable_dvr': True})
_shared_secret.return_value = 'secret_thing'
self.assertEquals(context.SharedSecretContext()(),
{'shared_secret': 'secret_thing'})
@patch.object(context, 'NeutronAPIContext')
@patch.object(context, 'get_shared_secret')
def test_shared_secretcontext_nodvr(self, _shared_secret,
_NeutronAPIContext):
_NeutronAPIContext.side_effect = fake_context({'enable_dvr': False})
_shared_secret.return_value = 'secret_thing'
self.assertEquals(context.SharedSecretContext()(), {})
class MockPCIDevice(object):
'''Simple wrapper to mock pci.PCINetDevice class'''
def __init__(self, address):
self.pci_address = address
TEST_CPULIST_1 = "0-3"
TEST_CPULIST_2 = "0-7,16-23"
DPDK_DATA_PORTS = (
"br-phynet3:fe:16:41:df:23:fe "
"br-phynet1:fe:16:41:df:23:fd "
"br-phynet2:fe:f2:d0:45:dc:66"
)
PCI_DEVICE_MAP = {
'fe:16:41:df:23:fd': MockPCIDevice('0000:00:1c.0'),
'fe:16:41:df:23:fe': MockPCIDevice('0000:00:1d.0'),
}
class TestDPDKUtils(CharmTestCase):
def setUp(self):
super(TestDPDKUtils, self).setUp(context, TO_PATCH)
self.config.side_effect = self.test_config.get
def test_parse_cpu_list(self):
self.assertEqual(context.parse_cpu_list(TEST_CPULIST_1),
[0, 1, 2, 3])
self.assertEqual(context.parse_cpu_list(TEST_CPULIST_2),
[0, 1, 2, 3, 4, 5, 6, 7,
16, 17, 18, 19, 20, 21, 22, 23])
@patch.object(context, 'parse_cpu_list', wraps=context.parse_cpu_list)
def test_numa_node_cores(self, _parse_cpu_list):
self.glob.glob.return_value = [
'/sys/devices/system/node/node0'
]
with patch_open() as (_, mock_file):
mock_file.read.return_value = TEST_CPULIST_1
self.assertEqual(context.numa_node_cores(),
{'0': [0, 1, 2, 3]})
self.glob.glob.assert_called_with('/sys/devices/system/node/node*')
_parse_cpu_list.assert_called_with(TEST_CPULIST_1)
def test_resolve_dpdk_ports(self):
self.test_config.set('data-port', DPDK_DATA_PORTS)
_pci_devices = Mock()
_pci_devices.get_device_from_mac.side_effect = PCI_DEVICE_MAP.get
self.PCINetDevices.return_value = _pci_devices
self.assertEqual(context.resolve_dpdk_ports(),
{'0000:00:1c.0': 'br-phynet1',
'0000:00:1d.0': 'br-phynet3'})
DPDK_PATCH = [
'parse_cpu_list',
'numa_node_cores',
'resolve_dpdk_ports',
'glob',
]
NUMA_CORES_SINGLE = {
'0': [0, 1, 2, 3]
}
NUMA_CORES_MULTI = {
'0': [0, 1, 2, 3],
'1': [4, 5, 6, 7]
}
class TestOVSDPDKDeviceContext(CharmTestCase):
def setUp(self):
super(TestOVSDPDKDeviceContext, self).setUp(context,
TO_PATCH + DPDK_PATCH)
self.config.side_effect = self.test_config.get
self.test_context = context.OVSDPDKDeviceContext()
self.test_config.set('enable-dpdk', True)
def test_device_whitelist(self):
'''Test device whitelist generation'''
self.resolve_dpdk_ports.return_value = [
'0000:00:1c.0',
'0000:00:1d.0'
]
self.assertEqual(self.test_context.device_whitelist(),
'-w 0000:00:1c.0 -w 0000:00:1d.0')
def test_socket_memory(self):
'''Test socket memory configuration'''
self.glob.glob.return_value = ['a']
self.assertEqual(self.test_context.socket_memory(),
'1024')
self.glob.glob.return_value = ['a', 'b']
self.assertEqual(self.test_context.socket_memory(),
'1024,1024')
self.test_config.set('dpdk-socket-memory', 2048)
self.assertEqual(self.test_context.socket_memory(),
'2048,2048')
def test_cpu_mask(self):
'''Test generation of hex CPU masks'''
self.numa_node_cores.return_value = NUMA_CORES_SINGLE
self.assertEqual(self.test_context.cpu_mask(), '0x01')
self.numa_node_cores.return_value = NUMA_CORES_MULTI
self.assertEqual(self.test_context.cpu_mask(), '0x11')
self.test_config.set('dpdk-socket-cores', 2)
self.assertEqual(self.test_context.cpu_mask(), '0x33')
def test_context_no_devices(self):
'''Ensure that DPDK is disable when no devices detected'''
self.resolve_dpdk_ports.return_value = []
self.assertEqual(self.test_context(), {})
def test_context_devices(self):
'''Ensure DPDK is enabled when devices are detected'''
self.resolve_dpdk_ports.return_value = [
'0000:00:1c.0',
'0000:00:1d.0'
]
self.numa_node_cores.return_value = NUMA_CORES_SINGLE
self.glob.glob.return_value = ['a']
self.assertEqual(self.test_context(), {
'cpu_mask': '0x01',
'device_whitelist': '-w 0000:00:1c.0 -w 0000:00:1d.0',
'dpdk_enabled': True,
'socket_memory': '1024'
})
class TestDPDKDeviceContext(CharmTestCase):
def setUp(self):
super(TestDPDKDeviceContext, self).setUp(context,
TO_PATCH + DPDK_PATCH)
self.config.side_effect = self.test_config.get
self.test_context = context.DPDKDeviceContext()
def test_context(self):
self.resolve_dpdk_ports.return_value = [
'0000:00:1c.0',
'0000:00:1d.0'
]
self.assertEqual(self.test_context(), {
'devices': ['0000:00:1c.0', '0000:00:1d.0'],
'driver': 'uio_pci_generic'
})
self.config.assert_called_with('dpdk-driver')
class TestRemoteRestartContext(CharmTestCase):
def setUp(self):
super(TestRemoteRestartContext, self).setUp(context,
TO_PATCH)
self.config.side_effect = self.test_config.get
def test_restart_trigger_present(self):
self.relation_ids.return_value = ['rid1']
self.related_units.return_value = ['nova-compute/0']
self.relation_get.return_value = {
'restart-trigger': '8f73-f3adb96a90d8',
}
self.assertEquals(
context.RemoteRestartContext()(),
{'restart_trigger': '8f73-f3adb96a90d8'}
)
self.relation_ids.assert_called_with('neutron-plugin')
def test_restart_trigger_present_alt_relation(self):
self.relation_ids.return_value = ['rid1']
self.related_units.return_value = ['nova-compute/0']
self.relation_get.return_value = {
'restart-trigger': '8f73-f3adb96a90d8',
}
self.assertEquals(
context.RemoteRestartContext(['neutron-control'])(),
{'restart_trigger': '8f73-f3adb96a90d8'}
)
self.relation_ids.assert_called_with('neutron-control')
def test_restart_trigger_present_multi_relation(self):
self.relation_ids.return_value = ['rid1']
self.related_units.return_value = ['nova-compute/0']
ids = [
{'restart-trigger': '8f73'},
{'restart-trigger': '2ac3'}]
self.relation_get.side_effect = lambda rid, unit: ids.pop()
self.assertEquals(
context.RemoteRestartContext(
['neutron-plugin', 'neutron-control'])(),
{'restart_trigger': '2ac3-8f73'}
)
self.relation_ids.assert_called_with('neutron-control')
def test_restart_trigger_absent(self):
self.relation_ids.return_value = ['rid1']
self.related_units.return_value = ['nova-compute/0']
self.relation_get.return_value = {}
self.assertEquals(context.RemoteRestartContext()(), {})
def test_restart_trigger_service(self):
self.relation_ids.return_value = ['rid1']
self.related_units.return_value = ['nova-compute/0']
self.relation_get.return_value = {
'restart-trigger-neutron': 'neutron-uuid',
}
self.assertEquals(
context.RemoteRestartContext()(),
{'restart_trigger_neutron': 'neutron-uuid'}
)
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