charm-nova-compute/unit_tests/test_nova_compute_utils.py

759 lines
30 KiB
Python

import itertools
import tempfile
import nova_compute_context as compute_context
import nova_compute_utils as utils
from mock import (
patch,
MagicMock,
call
)
from test_utils import (
CharmTestCase,
patch_open
)
TO_PATCH = [
'config',
'os_release',
'log',
'neutron_plugin_attribute',
'pip_install',
'related_units',
'relation_ids',
'relation_get',
'service_restart',
'mkdir',
'install_alternative',
'add_user_to_group',
'MetadataServiceContext',
'lsb_release',
'charm_dir',
'hugepage_support',
'rsync',
'fstab_mount',
]
OVS_PKGS = [
['quantum-plugin-openvswitch-agent'],
['openvswitch-datapath-dkms'],
]
OVS_PKGS_FLAT = list(itertools.chain.from_iterable(OVS_PKGS))
openstack_origin_git = \
"""repositories:
- {name: requirements,
repository: 'git://git.openstack.org/openstack/requirements',
branch: stable/juno}
- {name: nova,
repository: 'git://git.openstack.org/openstack/nova',
branch: stable/juno}"""
class NovaComputeUtilsTests(CharmTestCase):
def setUp(self):
super(NovaComputeUtilsTests, self).setUp(utils, TO_PATCH)
self.config.side_effect = self.test_config.get
self.charm_dir.return_value = 'mycharm'
@patch.object(utils, 'enable_nova_metadata')
@patch.object(utils, 'network_manager')
@patch.object(utils, 'git_install_requested')
def test_determine_packages_nova_network(self, git_requested, net_man,
en_meta):
git_requested.return_value = False
en_meta.return_value = False
net_man.return_value = 'flatdhcpmanager'
self.relation_ids.return_value = []
result = utils.determine_packages()
ex = utils.BASE_PACKAGES + [
'nova-api',
'nova-network',
'nova-compute-kvm'
]
self.assertEquals(ex, result)
@patch.object(utils, 'enable_nova_metadata')
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'network_manager')
@patch.object(utils, 'git_install_requested')
def test_determine_packages_quantum(self, git_requested, net_man, n_plugin,
en_meta):
git_requested.return_value = False
en_meta.return_value = False
self.neutron_plugin_attribute.return_value = OVS_PKGS
net_man.return_value = 'quantum'
n_plugin.return_value = 'ovs'
self.relation_ids.return_value = []
result = utils.determine_packages()
ex = utils.BASE_PACKAGES + OVS_PKGS_FLAT + ['nova-compute-kvm']
self.assertEquals(ex, result)
@patch.object(utils, 'neutron_plugin_legacy_mode')
@patch.object(utils, 'enable_nova_metadata')
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'network_manager')
@patch.object(utils, 'git_install_requested')
def test_determine_packages_quantum_legacy_off(self, git_requested,
net_man, n_plugin,
en_meta, leg_mode):
git_requested.return_value = False
en_meta.return_value = False
leg_mode.return_value = False
self.neutron_plugin_attribute.return_value = OVS_PKGS
net_man.return_value = 'quantum'
n_plugin.return_value = 'ovs'
self.relation_ids.return_value = []
result = utils.determine_packages()
ex = utils.BASE_PACKAGES + ['nova-compute-kvm']
self.assertEquals(ex, result)
@patch.object(utils, 'neutron_plugin_legacy_mode')
@patch.object(utils, 'enable_nova_metadata')
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'network_manager')
@patch.object(utils, 'git_install_requested')
def test_determine_packages_quantum_ceph(self, git_requested, net_man,
n_plugin, en_meta, leg_mode):
git_requested.return_value = False
en_meta.return_value = False
leg_mode.return_value = True
self.neutron_plugin_attribute.return_value = OVS_PKGS
net_man.return_value = 'quantum'
n_plugin.return_value = 'ovs'
self.relation_ids.return_value = ['ceph:0']
result = utils.determine_packages()
ex = (utils.BASE_PACKAGES + OVS_PKGS_FLAT +
['ceph-common', 'nova-compute-kvm'])
self.assertEquals(ex, result)
@patch.object(utils, 'enable_nova_metadata')
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'network_manager')
@patch.object(utils, 'git_install_requested')
def test_determine_packages_metadata(self, git_requested, net_man,
n_plugin, en_meta):
git_requested.return_value = False
en_meta.return_value = True
self.neutron_plugin_attribute.return_value = OVS_PKGS
net_man.return_value = 'bob'
n_plugin.return_value = 'ovs'
self.relation_ids.return_value = []
result = utils.determine_packages()
self.assertTrue('nova-api-metadata' in result)
@patch.object(utils, 'network_manager')
def test_resource_map_nova_network_no_multihost(self, net_man):
self.skipTest('skipped until contexts are properly mocked')
self.test_config.set('multi-host', 'no')
net_man.return_value = 'FlatDHCPManager'
result = utils.resource_map()
ex = {
'/etc/default/libvirt-bin': {
'contexts': [],
'services': ['libvirt-bin']
},
'/etc/libvirt/qemu.conf': {
'contexts': [],
'services': ['libvirt-bin']
},
'/etc/nova/nova-compute.conf': {
'contexts': [],
'services': ['nova-compute']
},
'/etc/nova/nova.conf': {
'contexts': [],
'services': ['nova-compute']
},
}
self.assertEquals(ex, result)
@patch.object(utils, 'network_manager')
def test_resource_map_nova_network(self, net_man):
self.skipTest('skipped until contexts are properly mocked')
net_man.return_value = 'FlatDHCPManager'
result = utils.resource_map()
ex = {
'/etc/default/libvirt-bin': {
'contexts': [], 'services': ['libvirt-bin']
},
'/etc/libvirt/qemu.conf': {
'contexts': [],
'services': ['libvirt-bin']
},
'/etc/nova/nova-compute.conf': {
'contexts': [],
'services': ['nova-compute']
},
'/etc/nova/nova.conf': {
'contexts': [],
'services': ['nova-compute', 'nova-api', 'nova-network']
}
}
self.assertEquals(ex, result)
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'network_manager')
def test_resource_map_quantum_ovs(self, net_man, _plugin):
self.skipTest('skipped until contexts are properly mocked.')
net_man.return_value = 'Quantum'
_plugin.return_value = 'ovs'
result = utils.resource_map()
ex = {
'/etc/default/libvirt-bin': {
'contexts': [],
'services': ['libvirt-bin']
},
'/etc/libvirt/qemu.conf': {
'contexts': [],
'services': ['libvirt-bin']
},
'/etc/nova/nova-compute.conf': {
'contexts': [],
'services': ['nova-compute']
},
'/etc/nova/nova.conf': {
'contexts': [],
'services': ['nova-compute']
},
'/etc/quantum/plugins/openvswitch/ovs_quantum_plugin.ini': {
'contexts': [],
'services': ['quantum-plugin-openvswitch-agent']
},
'/etc/quantum/quantum.conf': {
'contexts': [],
'services': ['quantum-plugin-openvswitch-agent']}
}
self.assertEquals(ex, result)
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'network_manager')
def test_resource_map_neutron_ovs_plugin(self, net_man, _plugin):
self.skipTest('skipped until contexts are properly mocked.')
self.is_relation_made = True
net_man.return_value = 'Neutron'
_plugin.return_value = 'ovs'
result = utils.resource_map()
self.assertTrue('/etc/neutron/neutron.conf' not in result)
@patch.object(utils, 'enable_nova_metadata')
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'network_manager')
def test_resource_map_metadata(self, net_man, _plugin, _metadata):
_metadata.return_value = True
net_man.return_value = 'bob'
_plugin.return_value = 'ovs'
self.relation_ids.return_value = []
result = utils.resource_map()['/etc/nova/nova.conf']['services']
self.assertTrue('nova-api-metadata' in result)
def fake_user(self, username='foo'):
user = MagicMock()
user.pw_dir = '/home/' + username
return user
@patch('__builtin__.open')
@patch('pwd.getpwnam')
def test_public_ssh_key_not_found(self, getpwnam, _open):
_open.side_effect = Exception
getpwnam.return_value = self.fake_user('foo')
self.assertEquals(None, utils.public_ssh_key())
@patch('pwd.getpwnam')
def test_public_ssh_key(self, getpwnam):
getpwnam.return_value = self.fake_user('foo')
with patch_open() as (_open, _file):
_file.read.return_value = 'mypubkey'
result = utils.public_ssh_key('foo')
self.assertEquals(result, 'mypubkey')
def test_import_authorized_keys_missing_data(self):
self.relation_get.return_value = None
with patch_open() as (_open, _file):
utils.import_authorized_keys(user='foo')
self.assertFalse(_open.called)
@patch('pwd.getpwnam')
def _test_import_authorized_keys_base(self, getpwnam, prefix=None,
auth_key_path='/home/foo/.ssh/'
'authorized_keys'):
getpwnam.return_value = self.fake_user('foo')
self.relation_get.side_effect = [
3, # relation_get('known_hosts_max_index')
'k_h_0', # relation_get_('known_hosts_0')
'k_h_1', # relation_get_('known_hosts_1')
'k_h_2', # relation_get_('known_hosts_2')
3, # relation_get('authorized_keys_max_index')
'auth_0', # relation_get('authorized_keys_0')
'auth_1', # relation_get('authorized_keys_1')
'auth_2', # relation_get('authorized_keys_2')
]
ex_open = [
call('/home/foo/.ssh/known_hosts', 'wb'),
call(auth_key_path, 'wb')
]
ex_write = [
call('k_h_0\n'),
call('k_h_1\n'),
call('k_h_2\n'),
call('auth_0\n'),
call('auth_1\n'),
call('auth_2\n')
]
with patch_open() as (_open, _file):
utils.import_authorized_keys(user='foo', prefix=prefix)
self.assertEquals(ex_open, _open.call_args_list)
self.assertEquals(ex_write, _file.write.call_args_list)
authkey_root = 'authorized_keys_'
known_hosts_root = 'known_hosts_'
if prefix:
authkey_root = prefix + '_authorized_keys_'
known_hosts_root = prefix + '_known_hosts_'
expected_relations = [
call(known_hosts_root + 'max_index'),
call(known_hosts_root + '0'),
call(known_hosts_root + '1'),
call(known_hosts_root + '2'),
call(authkey_root + 'max_index'),
call(authkey_root + '0'),
call(authkey_root + '1'),
call(authkey_root + '2')
]
self.assertEquals(sorted(self.relation_get.call_args_list),
sorted(expected_relations))
def test_import_authorized_keys_noprefix(self):
self._test_import_authorized_keys_base()
def test_import_authorized_keys_prefix(self):
self._test_import_authorized_keys_base(prefix='bar')
def test_import_authorized_keys_authkeypath(self):
nonstandard_path = '/etc/ssh/user-authorized-keys/{username}'
self.test_config.set('authorized-keys-path', nonstandard_path)
self._test_import_authorized_keys_base(
auth_key_path='/etc/ssh/user-authorized-keys/foo')
@patch('subprocess.check_call')
def test_import_keystone_cert_missing_data(self, check_call):
self.relation_get.return_value = None
with patch_open() as (_open, _file):
utils.import_keystone_ca_cert()
self.assertFalse(_open.called)
self.assertFalse(check_call.called)
@patch.object(utils, 'check_call')
def test_import_keystone_cert(self, check_call):
self.relation_get.return_value = 'Zm9vX2NlcnQK'
with patch_open() as (_open, _file):
utils.import_keystone_ca_cert()
_open.assert_called_with(utils.CA_CERT_PATH, 'wb')
_file.write.assert_called_with('foo_cert\n')
check_call.assert_called_with(['update-ca-certificates'])
@patch.object(utils, 'ceph_config_file')
@patch('charmhelpers.contrib.openstack.templating.OSConfigRenderer')
@patch.object(utils, 'quantum_enabled')
@patch.object(utils, 'resource_map')
def test_register_configs(self, resource_map, quantum, renderer,
mock_ceph_config_file):
quantum.return_value = False
self.os_release.return_value = 'havana'
fake_renderer = MagicMock()
fake_renderer.register = MagicMock()
renderer.return_value = fake_renderer
ctxt1 = MagicMock()
ctxt2 = MagicMock()
rsc_map = {
'/etc/nova/nova.conf': {
'services': ['nova-compute'],
'contexts': [ctxt1],
},
'/etc/nova/nova-compute.conf': {
'services': ['nova-compute'],
'contexts': [ctxt2],
},
}
resource_map.return_value = rsc_map
with tempfile.NamedTemporaryFile() as tmpfile:
mock_ceph_config_file.return_value = tmpfile.name
utils.register_configs()
renderer.assert_called_with(
openstack_release='havana', templates_dir='templates/')
ex_reg = [
call('/etc/nova/nova-compute.conf', [ctxt2]),
call('/etc/nova/nova.conf', [ctxt1])
]
self.assertEquals(fake_renderer.register.call_args_list, ex_reg)
@patch.object(utils, 'check_call')
def test_enable_shell(self, _check_call):
utils.enable_shell('dummy')
_check_call.assert_called_with(['usermod', '-s', '/bin/bash', 'dummy'])
@patch.object(utils, 'check_call')
def test_disable_shell(self, _check_call):
utils.disable_shell('dummy')
_check_call.assert_called_with(['usermod', '-s', '/bin/false',
'dummy'])
@patch.object(utils, 'check_call')
def test_configure_subuid(self, _check_call):
utils.configure_subuid('dummy')
_check_call.assert_called_with(['usermod', '-v', '100000-200000',
'-w', '100000-200000', 'dummy'])
@patch.object(utils, 'check_call')
@patch.object(utils, 'check_output')
def test_create_libvirt_key(self, _check_output, _check_call):
key = 'AQCR2dRUaFQSOxAAC5fr79sLL3d7wVvpbbRFMg=='
self.test_config.set('virt-type', 'kvm')
utils.create_libvirt_secret(utils.CEPH_SECRET,
compute_context.CEPH_SECRET_UUID, key)
_check_output.assert_called_with(['virsh', '-c',
utils.LIBVIRT_URIS['kvm'],
'secret-list'])
_check_call.assert_called_with(['virsh', '-c',
utils.LIBVIRT_URIS['kvm'],
'secret-set-value', '--secret',
compute_context.CEPH_SECRET_UUID,
'--base64', key])
@patch.object(utils, 'check_call')
@patch.object(utils, 'check_output')
def test_create_libvirt_key_existing(self, _check_output, _check_call):
key = 'AQCR2dRUaFQSOxAAC5fr79sLL3d7wVvpbbRFMg=='
self.test_config.set('virt-type', 'kvm')
_check_output.side_effect = [compute_context.CEPH_SECRET_UUID, key]
utils.create_libvirt_secret(utils.CEPH_SECRET,
compute_context.CEPH_SECRET_UUID, key)
expected = [call(['virsh', '-c',
utils.LIBVIRT_URIS['kvm'], 'secret-list']),
call(['virsh', '-c',
utils.LIBVIRT_URIS['kvm'], 'secret-get-value',
compute_context.CEPH_SECRET_UUID])]
_check_output.assert_has_calls(expected)
@patch.object(utils, 'check_call')
@patch.object(utils, 'check_output')
def test_create_libvirt_key_stale(self, _check_output, _check_call):
key = 'AQCR2dRUaFQSOxAAC5fr79sLL3d7wVvpbbRFMg=='
old_key = 'CCCCCdRUaFQSOxAAC5fr79sLL3d7wVvpbbRFMg=='
self.test_config.set('virt-type', 'kvm')
_check_output.side_effect = [compute_context.CEPH_SECRET_UUID, old_key]
utils.create_libvirt_secret(utils.CEPH_SECRET,
compute_context.CEPH_SECRET_UUID, key)
expected = [call(['virsh', '-c',
utils.LIBVIRT_URIS['kvm'], 'secret-list']),
call(['virsh', '-c',
utils.LIBVIRT_URIS['kvm'], 'secret-get-value',
compute_context.CEPH_SECRET_UUID])]
_check_output.assert_has_calls(expected)
_check_call.assert_any_call(['virsh', '-c',
utils.LIBVIRT_URIS['kvm'],
'secret-set-value', '--secret',
compute_context.CEPH_SECRET_UUID,
'--base64', key])
@patch.object(utils, 'lxc_list')
@patch.object(utils, 'configure_subuid')
def test_configure_lxd_vivid(self, _configure_subuid, _lxc_list):
self.lsb_release.return_value = {
'DISTRIB_CODENAME': 'vivid'
}
utils.configure_lxd('nova')
_configure_subuid.assert_called_with('nova')
_lxc_list.assert_called_with('nova')
@patch.object(utils, 'git_install_requested')
@patch.object(utils, 'lxc_list')
@patch.object(utils, 'configure_subuid')
def test_configure_lxd_pre_vivid(self, _configure_subuid, _lxc_list,
_git_install):
_git_install.return_value = False
self.lsb_release.return_value = {
'DISTRIB_CODENAME': 'trusty'
}
with self.assertRaises(Exception):
utils.configure_lxd('nova')
self.assertFalse(_configure_subuid.called)
def test_enable_nova_metadata(self):
class DummyContext():
def __init__(self, return_value):
self.return_value = return_value
def __call__(self):
return self.return_value
self.MetadataServiceContext.return_value = \
DummyContext(return_value={'metadata_shared_secret':
'sharedsecret'})
self.assertEqual(utils.enable_nova_metadata(), True)
def test_neutron_plugin_legacy_mode_plugin(self):
self.relation_ids.return_value = ['neutron-plugin:0']
self.assertFalse(utils.neutron_plugin_legacy_mode())
def test_neutron_plugin_legacy_mode_legacy_off(self):
self.relation_ids.return_value = []
self.test_config.set('manage-neutron-plugin-legacy-mode', False)
self.assertFalse(utils.neutron_plugin_legacy_mode())
def test_neutron_plugin_legacy_mode_legacy_on(self):
self.relation_ids.return_value = []
self.test_config.set('manage-neutron-plugin-legacy-mode', True)
self.assertTrue(utils.neutron_plugin_legacy_mode())
@patch.object(utils, 'neutron_plugin_legacy_mode')
def test_manage_ovs_legacy_mode_legacy_off(self,
_neutron_plugin_legacy_mode):
_neutron_plugin_legacy_mode.return_value = False
self.assertFalse(utils.manage_ovs())
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'neutron_plugin_legacy_mode')
def test_manage_ovs_legacy_mode_legacy_on(self,
_neutron_plugin_legacy_mode,
_neutron_plugin):
_neutron_plugin_legacy_mode.return_value = True
_neutron_plugin.return_value = 'ovs'
self.assertTrue(utils.manage_ovs())
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'neutron_plugin_legacy_mode')
def test_manage_ovs_legacy_mode_not_ovs(self, _neutron_plugin_legacy_mode,
_neutron_plugin):
_neutron_plugin_legacy_mode.return_value = True
_neutron_plugin.return_value = 'bobvs'
self.assertFalse(utils.manage_ovs())
@patch.object(utils, 'git_install_requested')
@patch.object(utils, 'git_clone_and_install')
@patch.object(utils, 'git_post_install')
@patch.object(utils, 'git_pre_install')
def test_git_install(self, git_pre, git_post, git_clone_and_install,
git_requested):
projects_yaml = openstack_origin_git
git_requested.return_value = True
utils.git_install(projects_yaml)
self.assertTrue(git_pre.called)
git_clone_and_install.assert_called_with(openstack_origin_git,
core_project='nova')
self.assertTrue(git_post.called)
@patch.object(utils, 'mkdir')
@patch.object(utils, 'write_file')
@patch.object(utils, 'add_user_to_group')
@patch.object(utils, 'add_group')
@patch.object(utils, 'adduser')
@patch.object(utils, 'check_call')
def test_git_pre_install(self, check_call, adduser, add_group,
add_user_to_group, write_file, mkdir):
utils.git_pre_install()
adduser.assert_called_with('nova', shell='/bin/bash',
system_user=True)
check_call.assert_called_with(['usermod', '--home', '/var/lib/nova',
'nova'])
add_group.assert_called_with('nova', system_group=True)
expected = [
call('nova', 'nova'),
call('nova', 'libvirtd'),
]
self.assertEquals(add_user_to_group.call_args_list, expected)
expected = [
call('/var/lib/nova', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/buckets', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/CA', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/CA/INTER', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/CA/newcerts', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/CA/private', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/CA/reqs', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/images', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/instances', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/keys', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/networks', owner='nova',
group='nova', perms=0755, force=False),
call('/var/lib/nova/tmp', owner='nova',
group='nova', perms=0755, force=False),
call('/var/log/nova', owner='nova',
group='nova', perms=0755, force=False),
]
self.assertEquals(mkdir.call_args_list, expected)
expected = [
call('/var/log/nova/nova-api.log', '', owner='nova',
group='nova', perms=0644),
call('/var/log/nova/nova-compute.log', '', owner='nova',
group='nova', perms=0644),
call('/var/log/nova/nova-manage.log', '', owner='nova',
group='nova', perms=0644),
call('/var/log/nova/nova-network.log', '', owner='nova',
group='nova', perms=0644),
]
self.assertEquals(write_file.call_args_list, expected)
@patch.object(utils, 'git_src_dir')
@patch.object(utils, 'service_restart')
@patch.object(utils, 'render')
@patch.object(utils, 'git_pip_venv_dir')
@patch('os.path.join')
@patch('os.path.exists')
@patch('os.symlink')
@patch('shutil.copytree')
@patch('shutil.rmtree')
@patch('subprocess.check_call')
@patch.object(utils, 'apt_install')
@patch.object(utils, 'apt_update')
def test_git_post_install(self, apt_update, apt_install, check_call,
rmtree, copytree, symlink, exists, join, venv,
render, service_restart, git_src_dir):
projects_yaml = openstack_origin_git
join.return_value = 'joined-string'
venv.return_value = '/mnt/openstack-git/venv'
utils.git_post_install(projects_yaml)
expected = [
call('joined-string', '/etc/nova'),
]
copytree.assert_has_calls(expected)
expected = [
call('joined-string', '/usr/local/bin/nova-rootwrap'),
]
symlink.assert_has_calls(expected, any_order=True)
service_name = 'nova-compute'
nova_user = 'nova'
start_dir = '/var/lib/nova'
nova_conf = '/etc/nova/nova.conf'
nova_api_metadata_context = {
'service_description': 'Nova Metadata API server',
'service_name': service_name,
'user_name': nova_user,
'start_dir': start_dir,
'process_name': 'nova-api-metadata',
'executable_name': 'joined-string',
'config_files': [nova_conf],
}
nova_api_context = {
'service_description': 'Nova API server',
'service_name': service_name,
'user_name': nova_user,
'start_dir': start_dir,
'process_name': 'nova-api',
'executable_name': 'joined-string',
'config_files': [nova_conf],
}
nova_compute_context = {
'service_description': 'Nova compute worker',
'service_name': service_name,
'user_name': nova_user,
'process_name': 'nova-compute',
'executable_name': 'joined-string',
'config_files': [nova_conf, '/etc/nova/nova-compute.conf'],
}
nova_network_context = {
'service_description': 'Nova network worker',
'service_name': service_name,
'user_name': nova_user,
'start_dir': start_dir,
'process_name': 'nova-network',
'executable_name': 'joined-string',
'config_files': [nova_conf],
}
expected = [
call('git/nova-compute-kvm.conf', '/etc/nova/nova-compute.conf',
{}, perms=0o644),
call('git/nova_sudoers', '/etc/sudoers.d/nova_sudoers',
{}, perms=0o440),
call('git.upstart', '/etc/init/nova-api-metadata.conf',
nova_api_metadata_context, perms=0o644,
templates_dir='joined-string'),
call('git.upstart', '/etc/init/nova-api.conf',
nova_api_context, perms=0o644,
templates_dir='joined-string'),
call('git/upstart/nova-compute.upstart',
'/etc/init/nova-compute.conf',
nova_compute_context, perms=0o644),
call('git.upstart', '/etc/init/nova-network.conf',
nova_network_context, perms=0o644,
templates_dir='joined-string'),
]
self.assertEquals(render.call_args_list, expected)
self.assertTrue(apt_update.called)
apt_install.assert_called_with(
['bridge-utils', 'dnsmasq-base',
'dnsmasq-utils', 'ebtables', 'genisoimage', 'iptables',
'iputils-arping', 'kpartx', 'kvm', 'netcat', 'open-iscsi',
'parted', 'python-libvirt', 'qemu', 'qemu-system',
'qemu-utils', 'vlan', 'xen-system-amd64'], fatal=True)
@patch('psutil.virtual_memory')
@patch('subprocess.check_call')
@patch('subprocess.call')
def test_install_hugepages(self, _call, _check_call, _virt_mem):
class mem(object):
def __init__(self):
self.total = 10000000
self.test_config.set('hugepages', '10%')
_virt_mem.side_effect = mem
_call.return_value = 1
utils.install_hugepages()
self.hugepage_support.assert_called_with(
'nova',
mnt_point='/run/hugepages/kvm',
group='root',
nr_hugepages=488,
mount=False,
set_shmmax=True,
)
check_call_calls = [
call('/etc/init.d/qemu-hugefsdir'),
call(['update-rc.d', 'qemu-hugefsdir', 'defaults']),
]
_check_call.assert_has_calls(check_call_calls)
self.fstab_mount.assert_called_with('/run/hugepages/kvm')
@patch('psutil.virtual_memory')
@patch('subprocess.check_call')
@patch('subprocess.call')
def test_install_hugepages_explicit_size(self, _call, _check_call,
_virt_mem):
self.test_config.set('hugepages', '2048')
utils.install_hugepages()
self.hugepage_support.assert_called_with(
'nova',
mnt_point='/run/hugepages/kvm',
group='root',
nr_hugepages=2048,
mount=False,
set_shmmax=True,
)
@patch('psutil.virtual_memory')
@patch('subprocess.check_call')
@patch('subprocess.call')
def test_install_hugepages_already_mounted(self, _call, _check_call,
_virt_mem):
self.test_config.set('hugepages', '2048')
_call.return_value = 0
utils.install_hugepages()
self.assertEqual(self.fstab_mount.call_args_list, [])