523 lines
22 KiB
Python
523 lines
22 KiB
Python
from mock import MagicMock, patch, call
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from collections import OrderedDict
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import charmhelpers.contrib.openstack.templating as templating
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templating.OSConfigRenderer = MagicMock()
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import neutron_ovs_utils as nutils
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import neutron_ovs_context
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from test_utils import (
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CharmTestCase,
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)
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import charmhelpers
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import charmhelpers.core.hookenv as hookenv
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TO_PATCH = [
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'add_bridge',
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'add_bridge_port',
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'dpdk_add_bridge_port',
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'apt_install',
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'apt_update',
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'config',
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'os_release',
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'filter_installed_packages',
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'neutron_plugin_attribute',
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'full_restart',
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'service_restart',
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'service_running',
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'ExternalPortContext',
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'determine_dkms_package',
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'headers_package',
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'status_set',
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'use_dpdk',
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]
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head_pkg = 'linux-headers-3.15.0-5-generic'
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openstack_origin_git = \
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"""repositories:
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- {name: requirements,
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repository: 'git://git.openstack.org/openstack/requirements',
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branch: stable/juno}
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- {name: neutron,
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repository: 'git://git.openstack.org/openstack/neutron',
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branch: stable/juno}"""
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def _mock_npa(plugin, attr, net_manager=None):
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plugins = {
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'ovs': {
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'config': '/etc/neutron/plugins/ml2/ml2_conf.ini',
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'driver': 'neutron.plugins.ml2.plugin.Ml2Plugin',
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'contexts': [],
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'services': ['neutron-plugin-openvswitch-agent'],
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'packages': [[head_pkg], ['neutron-plugin-openvswitch-agent']],
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'server_packages': ['neutron-server',
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'neutron-plugin-ml2'],
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'server_services': ['neutron-server']
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},
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}
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return plugins[plugin][attr]
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class DummyContext():
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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 TestNeutronOVSUtils(CharmTestCase):
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def setUp(self):
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super(TestNeutronOVSUtils, self).setUp(nutils, TO_PATCH)
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self.neutron_plugin_attribute.side_effect = _mock_npa
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self.config.side_effect = self.test_config.get
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self.use_dpdk.return_value = False
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def tearDown(self):
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# Reset cached cache
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hookenv.cache = {}
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@patch.object(nutils, 'determine_packages')
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def test_install_packages(self, _determine_packages):
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_determine_packages.return_value = 'randompkg'
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nutils.install_packages()
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self.apt_update.assert_called_with()
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self.apt_install.assert_called_with(self.filter_installed_packages(),
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fatal=True)
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@patch.object(nutils, 'determine_packages')
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def test_install_packages_dkms_needed(self, _determine_packages):
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_determine_packages.return_value = 'randompkg'
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self.determine_dkms_package.return_value = \
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['openvswitch-datapath-dkms']
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self.headers_package.return_value = 'linux-headers-foobar'
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nutils.install_packages()
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self.apt_update.assert_called_with()
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self.apt_install.assert_has_calls([
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call(['linux-headers-foobar',
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'openvswitch-datapath-dkms'], fatal=True),
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call(self.filter_installed_packages(), fatal=True),
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])
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@patch.object(nutils, 'use_dvr')
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@patch.object(nutils, 'git_install_requested')
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@patch.object(charmhelpers.contrib.openstack.neutron, 'os_release')
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@patch.object(charmhelpers.contrib.openstack.neutron, 'headers_package')
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def test_determine_packages(self, _head_pkgs, _os_rel, _git_requested,
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_use_dvr):
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self.test_config.set('enable-local-dhcp-and-metadata', False)
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_git_requested.return_value = False
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_use_dvr.return_value = False
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_os_rel.return_value = 'icehouse'
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self.os_release.return_value = 'icehouse'
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_head_pkgs.return_value = head_pkg
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pkg_list = nutils.determine_packages()
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expect = ['neutron-plugin-openvswitch-agent', head_pkg]
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self.assertItemsEqual(pkg_list, expect)
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@patch.object(nutils, 'use_dvr')
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@patch.object(nutils, 'git_install_requested')
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@patch.object(charmhelpers.contrib.openstack.neutron, 'os_release')
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@patch.object(charmhelpers.contrib.openstack.neutron, 'headers_package')
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def test_determine_packages_mitaka(self, _head_pkgs, _os_rel,
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_git_requested, _use_dvr):
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self.test_config.set('enable-local-dhcp-and-metadata', False)
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_git_requested.return_value = False
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_use_dvr.return_value = False
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_os_rel.return_value = 'mitaka'
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self.os_release.return_value = 'mitaka'
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_head_pkgs.return_value = head_pkg
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pkg_list = nutils.determine_packages()
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expect = ['neutron-openvswitch-agent', head_pkg]
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self.assertItemsEqual(pkg_list, expect)
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@patch.object(nutils, 'use_dvr')
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@patch.object(nutils, 'git_install_requested')
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@patch.object(charmhelpers.contrib.openstack.neutron, 'os_release')
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@patch.object(charmhelpers.contrib.openstack.neutron, 'headers_package')
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def test_determine_packages_metadata(self, _head_pkgs, _os_rel,
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_git_requested, _use_dvr):
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self.test_config.set('enable-local-dhcp-and-metadata', True)
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_git_requested.return_value = False
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_use_dvr.return_value = False
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_os_rel.return_value = 'icehouse'
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self.os_release.return_value = 'icehouse'
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_head_pkgs.return_value = head_pkg
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pkg_list = nutils.determine_packages()
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expect = ['neutron-plugin-openvswitch-agent', head_pkg,
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'neutron-metadata-agent', 'neutron-dhcp-agent']
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self.assertItemsEqual(pkg_list, expect)
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@patch.object(nutils, 'use_dvr')
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@patch.object(nutils, 'git_install_requested')
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@patch.object(charmhelpers.contrib.openstack.neutron, 'os_release')
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@patch.object(charmhelpers.contrib.openstack.neutron, 'headers_package')
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def test_determine_packages_git(self, _head_pkgs, _os_rel,
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_git_requested, _use_dvr):
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self.test_config.set('enable-local-dhcp-and-metadata', False)
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_git_requested.return_value = True
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_use_dvr.return_value = True
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_os_rel.return_value = 'icehouse'
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self.os_release.return_value = 'icehouse'
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_head_pkgs.return_value = head_pkg
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pkg_list = nutils.determine_packages()
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self.assertFalse('neutron-l3-agent' in pkg_list)
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@patch.object(nutils, 'use_dvr')
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def test_register_configs(self, _use_dvr):
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class _mock_OSConfigRenderer():
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def __init__(self, templates_dir=None, openstack_release=None):
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self.configs = []
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self.ctxts = []
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def register(self, config, ctxt):
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self.configs.append(config)
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self.ctxts.append(ctxt)
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_use_dvr.return_value = False
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self.os_release.return_value = 'icehouse'
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templating.OSConfigRenderer.side_effect = _mock_OSConfigRenderer
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_regconfs = nutils.register_configs()
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confs = ['/etc/neutron/neutron.conf',
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'/etc/neutron/plugins/ml2/ml2_conf.ini',
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'/etc/init/os-charm-phy-nic-mtu.conf']
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self.assertItemsEqual(_regconfs.configs, confs)
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@patch.object(nutils, 'use_dvr')
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def test_register_configs_mitaka(self, _use_dvr):
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class _mock_OSConfigRenderer():
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def __init__(self, templates_dir=None, openstack_release=None):
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self.configs = []
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self.ctxts = []
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def register(self, config, ctxt):
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self.configs.append(config)
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self.ctxts.append(ctxt)
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_use_dvr.return_value = False
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self.os_release.return_value = 'mitaka'
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templating.OSConfigRenderer.side_effect = _mock_OSConfigRenderer
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_regconfs = nutils.register_configs()
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confs = ['/etc/neutron/neutron.conf',
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'/etc/neutron/plugins/ml2/openvswitch_agent.ini',
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'/etc/init/os-charm-phy-nic-mtu.conf']
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self.assertItemsEqual(_regconfs.configs, confs)
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@patch.object(nutils, 'use_dvr')
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def test_resource_map(self, _use_dvr):
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_use_dvr.return_value = False
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self.os_release.return_value = 'icehouse'
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_map = nutils.resource_map()
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svcs = ['neutron-plugin-openvswitch-agent']
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confs = [nutils.NEUTRON_CONF]
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[self.assertIn(q_conf, _map.keys()) for q_conf in confs]
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self.assertEqual(_map[nutils.NEUTRON_CONF]['services'], svcs)
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@patch.object(nutils, 'use_dvr')
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def test_resource_map_mitaka(self, _use_dvr):
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_use_dvr.return_value = False
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self.os_release.return_value = 'mitaka'
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_map = nutils.resource_map()
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svcs = ['neutron-openvswitch-agent']
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confs = [nutils.NEUTRON_CONF]
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[self.assertIn(q_conf, _map.keys()) for q_conf in confs]
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self.assertEqual(_map[nutils.NEUTRON_CONF]['services'], svcs)
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@patch.object(nutils, 'use_dvr')
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def test_resource_map_dvr(self, _use_dvr):
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_use_dvr.return_value = True
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self.os_release.return_value = 'icehouse'
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_map = nutils.resource_map()
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svcs = ['neutron-plugin-openvswitch-agent', 'neutron-metadata-agent',
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'neutron-l3-agent']
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confs = [nutils.NEUTRON_CONF]
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[self.assertIn(q_conf, _map.keys()) for q_conf in confs]
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self.assertEqual(_map[nutils.NEUTRON_CONF]['services'], svcs)
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@patch.object(nutils, 'enable_local_dhcp')
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@patch.object(nutils, 'use_dvr')
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def test_resource_map_dhcp(self, _use_dvr, _enable_local_dhcp):
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_enable_local_dhcp.return_value = True
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_use_dvr.return_value = False
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_map = nutils.resource_map()
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svcs = ['neutron-plugin-openvswitch-agent', 'neutron-metadata-agent',
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'neutron-dhcp-agent']
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confs = [nutils.NEUTRON_CONF, nutils.NEUTRON_METADATA_AGENT_CONF,
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nutils.NEUTRON_DHCP_AGENT_CONF]
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[self.assertIn(q_conf, _map.keys()) for q_conf in confs]
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self.assertEqual(_map[nutils.NEUTRON_CONF]['services'], svcs)
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@patch.object(nutils, 'use_dvr')
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def test_restart_map(self, _use_dvr):
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_use_dvr.return_value = False
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_restart_map = nutils.restart_map()
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ML2CONF = "/etc/neutron/plugins/ml2/ml2_conf.ini"
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expect = OrderedDict([
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(nutils.NEUTRON_CONF, ['neutron-plugin-openvswitch-agent']),
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(ML2CONF, ['neutron-plugin-openvswitch-agent']),
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(nutils.PHY_NIC_MTU_CONF, ['os-charm-phy-nic-mtu'])
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])
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self.assertEqual(expect, _restart_map)
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for item in _restart_map:
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self.assertTrue(item in _restart_map)
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self.assertTrue(expect[item] == _restart_map[item])
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@patch.object(nutils, 'use_dvr')
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@patch('charmhelpers.contrib.openstack.context.config')
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def test_configure_ovs_ovs_data_port(self, mock_config, _use_dvr):
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_use_dvr.return_value = False
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mock_config.side_effect = self.test_config.get
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self.config.side_effect = self.test_config.get
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self.ExternalPortContext.return_value = \
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DummyContext(return_value=None)
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# Test back-compatibility i.e. port but no bridge (so br-data is
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# assumed)
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self.test_config.set('data-port', 'eth0')
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nutils.configure_ovs()
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self.add_bridge.assert_has_calls([
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call('br-int', 'system'),
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call('br-ex', 'system'),
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call('br-data', 'system')
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])
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self.assertTrue(self.add_bridge_port.called)
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# Now test with bridge:port format
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self.test_config.set('data-port', 'br-foo:eth0')
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self.add_bridge.reset_mock()
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self.add_bridge_port.reset_mock()
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nutils.configure_ovs()
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self.add_bridge.assert_has_calls([
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call('br-int', 'system'),
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call('br-ex', 'system'),
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call('br-data', 'system')
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])
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# Not called since we have a bogus bridge in data-ports
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self.assertFalse(self.add_bridge_port.called)
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@patch.object(nutils, 'use_dvr')
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@patch('charmhelpers.contrib.openstack.context.config')
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def test_configure_ovs_starts_service_if_required(self, mock_config,
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_use_dvr):
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_use_dvr.return_value = False
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mock_config.side_effect = self.test_config.get
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self.config.return_value = 'ovs'
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self.service_running.return_value = False
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nutils.configure_ovs()
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self.assertTrue(self.full_restart.called)
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@patch.object(nutils, 'use_dvr')
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@patch('charmhelpers.contrib.openstack.context.config')
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def test_configure_ovs_doesnt_restart_service(self, mock_config, _use_dvr):
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_use_dvr.return_value = False
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mock_config.side_effect = self.test_config.get
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self.config.side_effect = self.test_config.get
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self.service_running.return_value = True
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nutils.configure_ovs()
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self.assertFalse(self.full_restart.called)
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@patch.object(nutils, 'use_dvr')
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@patch('charmhelpers.contrib.openstack.context.config')
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def test_configure_ovs_ovs_ext_port(self, mock_config, _use_dvr):
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_use_dvr.return_value = True
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mock_config.side_effect = self.test_config.get
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self.config.side_effect = self.test_config.get
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self.test_config.set('ext-port', 'eth0')
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self.ExternalPortContext.return_value = \
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DummyContext(return_value={'ext_port': 'eth0'})
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nutils.configure_ovs()
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self.add_bridge.assert_has_calls([
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call('br-int', 'system'),
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call('br-ex', 'system'),
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call('br-data', 'system')
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])
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self.add_bridge_port.assert_called_with('br-ex', 'eth0')
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@patch.object(neutron_ovs_context, 'resolve_dpdk_ports')
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@patch.object(nutils, 'use_dvr')
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@patch('charmhelpers.contrib.openstack.context.config')
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def test_configure_ovs_dpdk(self, mock_config, _use_dvr,
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_resolve_dpdk_ports):
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_resolve_dpdk_ports.return_value = {
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'0000:001c.01': 'br-phynet1',
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'0000:001c.02': 'br-phynet2',
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'0000:001c.03': 'br-phynet3',
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}
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_use_dvr.return_value = True
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self.use_dpdk.return_value = True
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mock_config.side_effect = self.test_config.get
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self.config.side_effect = self.test_config.get
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self.test_config.set('enable-dpdk', True)
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nutils.configure_ovs()
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self.add_bridge.assert_has_calls([
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call('br-int', 'netdev'),
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call('br-ex', 'netdev'),
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call('br-phynet1', 'netdev'),
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call('br-phynet2', 'netdev'),
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call('br-phynet3', 'netdev'),
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])
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self.dpdk_add_bridge_port.assert_has_calls([
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call('br-phynet1', 'dpdk0', port_type='dpdk'),
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call('br-phynet2', 'dpdk1', port_type='dpdk'),
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call('br-phynet3', 'dpdk2', port_type='dpdk'),
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])
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@patch.object(neutron_ovs_context, 'SharedSecretContext')
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def test_get_shared_secret(self, _dvr_secret_ctxt):
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_dvr_secret_ctxt.return_value = \
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DummyContext(return_value={'shared_secret': 'supersecret'})
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self.assertEqual(nutils.get_shared_secret(), 'supersecret')
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@patch.object(nutils, 'git_install_requested')
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@patch.object(nutils, 'git_clone_and_install')
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@patch.object(nutils, 'git_post_install')
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@patch.object(nutils, 'git_pre_install')
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def test_git_install(self, git_pre, git_post, git_clone_and_install,
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git_requested):
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projects_yaml = openstack_origin_git
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git_requested.return_value = True
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nutils.git_install(projects_yaml)
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self.assertTrue(git_pre.called)
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git_clone_and_install.assert_called_with(openstack_origin_git,
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core_project='neutron')
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self.assertTrue(git_post.called)
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@patch.object(nutils, 'mkdir')
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@patch.object(nutils, 'write_file')
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@patch.object(nutils, 'add_user_to_group')
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@patch.object(nutils, 'add_group')
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@patch.object(nutils, 'adduser')
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def test_git_pre_install(self, adduser, add_group, add_user_to_group,
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write_file, mkdir):
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nutils.git_pre_install()
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adduser.assert_called_with('neutron', shell='/bin/bash',
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system_user=True)
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add_group.assert_called_with('neutron', system_group=True)
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add_user_to_group.assert_called_with('neutron', 'neutron')
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expected = [
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call('/var/lib/neutron', owner='neutron',
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group='neutron', perms=0755, force=False),
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call('/var/lib/neutron/lock', owner='neutron',
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group='neutron', perms=0755, force=False),
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call('/var/log/neutron', owner='neutron',
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group='neutron', perms=0755, force=False),
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]
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self.assertEquals(mkdir.call_args_list, expected)
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expected = [
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call('/var/log/neutron/server.log', '', owner='neutron',
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group='neutron', perms=0600),
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]
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self.assertEquals(write_file.call_args_list, expected)
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@patch.object(nutils, 'git_src_dir')
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@patch.object(nutils, 'service_restart')
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@patch.object(nutils, 'render')
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@patch('os.path.join')
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@patch('os.path.exists')
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@patch('os.symlink')
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@patch('shutil.copytree')
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@patch('shutil.rmtree')
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def test_git_post_install(self, rmtree, copytree, symlink, exists, join,
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render, service_restart, git_src_dir):
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projects_yaml = openstack_origin_git
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join.return_value = 'joined-string'
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nutils.git_post_install(projects_yaml)
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expected = [
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call('joined-string', '/etc/neutron'),
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call('joined-string', '/etc/neutron/plugins'),
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call('joined-string', '/etc/neutron/rootwrap.d'),
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]
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copytree.assert_has_calls(expected)
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expected = [
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call('joined-string', '/usr/local/bin/neutron-rootwrap'),
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]
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symlink.assert_has_calls(expected, any_order=True)
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neutron_ovs_agent_context = {
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'service_description': 'Neutron OpenvSwitch Plugin Agent',
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'charm_name': 'neutron-openvswitch',
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'process_name': 'neutron-openvswitch-agent',
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'executable_name': 'joined-string',
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'cleanup_process_name': 'neutron-ovs-cleanup',
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'plugin_config': '/etc/neutron/plugins/ml2/ml2_conf.ini',
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'log_file': '/var/log/neutron/openvswitch-agent.log',
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}
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neutron_ovs_cleanup_context = {
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'service_description': 'Neutron OpenvSwitch Cleanup',
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'charm_name': 'neutron-openvswitch',
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'process_name': 'neutron-ovs-cleanup',
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'executable_name': 'joined-string',
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'log_file': '/var/log/neutron/ovs-cleanup.log',
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}
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expected = [
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call('git/neutron_sudoers', '/etc/sudoers.d/neutron_sudoers', {},
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perms=0o440),
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call('git/upstart/neutron-plugin-openvswitch-agent.upstart',
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'/etc/init/neutron-plugin-openvswitch-agent.conf',
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neutron_ovs_agent_context, perms=0o644),
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call('git/upstart/neutron-ovs-cleanup.upstart',
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'/etc/init/neutron-ovs-cleanup.conf',
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neutron_ovs_cleanup_context, perms=0o644),
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]
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self.assertEquals(render.call_args_list, expected)
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expected = [
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call('neutron-plugin-openvswitch-agent'),
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]
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self.assertEquals(service_restart.call_args_list, expected)
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def test_assess_status(self):
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with patch.object(nutils, 'assess_status_func') as asf:
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callee = MagicMock()
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asf.return_value = callee
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nutils.assess_status('test-config')
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asf.assert_called_once_with('test-config')
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callee.assert_called_once_with()
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@patch.object(nutils, 'REQUIRED_INTERFACES')
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@patch.object(nutils, 'services')
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@patch.object(nutils, 'determine_ports')
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@patch.object(nutils, 'make_assess_status_func')
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@patch.object(nutils, 'enable_nova_metadata')
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def test_assess_status_func(self,
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enable_nova_metadata,
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make_assess_status_func,
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determine_ports,
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services,
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REQUIRED_INTERFACES):
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services.return_value = 's1'
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determine_ports.return_value = 'p1'
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enable_nova_metadata.return_value = False
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REQUIRED_INTERFACES.copy.return_value = {'Test': True}
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nutils.assess_status_func('test-config')
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# ports=None whilst port checks are disabled.
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make_assess_status_func.assert_called_once_with(
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'test-config',
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{'Test': True},
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services='s1',
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ports=None)
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def test_pause_unit_helper(self):
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with patch.object(nutils, '_pause_resume_helper') as prh:
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nutils.pause_unit_helper('random-config')
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prh.assert_called_once_with(nutils.pause_unit, 'random-config')
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with patch.object(nutils, '_pause_resume_helper') as prh:
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nutils.resume_unit_helper('random-config')
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prh.assert_called_once_with(nutils.resume_unit, 'random-config')
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@patch.object(nutils, 'services')
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@patch.object(nutils, 'determine_ports')
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def test_pause_resume_helper(self, determine_ports, services):
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f = MagicMock()
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services.return_value = 's1'
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determine_ports.return_value = 'p1'
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with patch.object(nutils, 'assess_status_func') as asf:
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asf.return_value = 'assessor'
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nutils._pause_resume_helper(f, 'some-config')
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asf.assert_called_once_with('some-config')
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# ports=None whilst port checks are disabled.
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f.assert_called_once_with('assessor', services='s1', ports=None)
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