charm-nova-compute/unit_tests/test_nova_compute_utils.py
2013-12-16 13:07:26 +00:00

293 lines
10 KiB
Python

from mock import patch, MagicMock, call
from test_utils import CharmTestCase, patch_open
import nova_compute_utils as utils
TO_PATCH = [
'config',
'os_release',
'log',
'neutron_plugin_attribute',
'related_units',
'relation_ids',
'relation_get',
'service_name',
'mkdir',
'install_alternative'
]
OVS_PKGS = [
'quantum-plugin-openvswitch-agent',
'openvswitch-datapath-dkms',
]
class NovaComputeUtilsTests(CharmTestCase):
def setUp(self):
super(NovaComputeUtilsTests, self).setUp(utils, TO_PATCH)
self.config.side_effect = self.test_config.get
self.service_name.return_value = 'nova-compute'
@patch.object(utils, 'network_manager')
def test_determine_packages_nova_network(self, net_man):
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, 'neutron_plugin')
@patch.object(utils, 'network_manager')
def test_determine_packages_quantum(self, net_man, n_plugin):
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 + ['nova-compute-kvm']
self.assertEquals(ex, result)
@patch.object(utils, 'neutron_plugin')
@patch.object(utils, 'network_manager')
def test_determine_packages_quantum_ceph(self, net_man, n_plugin):
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 +
['ceph-common', 'nova-compute-kvm'])
self.assertEquals(ex, 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)
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):
getpwnam.return_value = self.fake_user('foo')
self.relation_get.side_effect = [
'Zm9vX2tleQo=', # relation_get('known_hosts')
'Zm9vX2hvc3QK', # relation_get('authorized_keys')
]
ex_open = [
call('/home/foo/.ssh/authorized_keys', 'wb'),
call('/home/foo/.ssh/known_hosts', 'wb')
]
ex_write = [
call('foo_host\n'),
call('foo_key\n'),
]
with patch_open() as (_open, _file):
utils.import_authorized_keys(user='foo')
self.assertEquals(ex_open, _open.call_args_list)
self.assertEquals(ex_write, _file.write.call_args_list)
self.relation_get.assert_has_called([
call('known_hosts').
call('authorized_keys')
])
@patch('pwd.getpwnam')
def test_import_authorized_keys_prefix(self, getpwnam):
getpwnam.return_value = self.fake_user('foo')
self.relation_get.side_effect = [
'Zm9vX2tleQo=', # relation_get('known_hosts')
'Zm9vX2hvc3QK', # relation_get('authorized_keys')
]
ex_open = [
call('/home/foo/.ssh/authorized_keys', 'wb'),
call('/home/foo/.ssh/known_hosts', 'wb')
]
ex_write = [
call('foo_host\n'),
call('foo_key\n'),
]
with patch_open() as (_open, _file):
utils.import_authorized_keys(user='foo', prefix='bar')
self.assertEquals(ex_open, _open.call_args_list)
self.assertEquals(ex_write, _file.write.call_args_list)
self.relation_get.assert_has_called([
call('bar_known_hosts').
call('bar_authorized_keys')
])
@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('charmhelpers.contrib.openstack.templating.OSConfigRenderer')
@patch.object(utils, 'quantum_enabled')
@patch.object(utils, 'resource_map')
def test_register_configs(self, resource_map, quantum, renderer):
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
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'])