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# This file is part of cloud-init. See LICENSE file for license information.
from cloudinit.config import cc_lxd
from cloudinit.sources import DataSourceNoCloud
from cloudinit import (distros, helpers, cloud)
from cloudinit.tests import helpers as t_help
try:
from unittest import mock
except ImportError:
import mock
class TestLxd(t_help.CiTestCase):
with_logs = True
lxd_cfg = {
'lxd': {
'init': {
'network_address': '0.0.0.0',
'storage_backend': 'zfs',
'storage_pool': 'poolname',
}
}
}
def _get_cloud(self, distro):
cls = distros.fetch(distro)
paths = helpers.Paths({})
d = cls(distro, {}, paths)
ds = DataSourceNoCloud.DataSourceNoCloud({}, d, paths)
cc = cloud.Cloud(ds, paths, {}, d, None)
return cc
@mock.patch("cloudinit.config.cc_lxd.maybe_cleanup_default")
@mock.patch("cloudinit.config.cc_lxd.util")
def test_lxd_init(self, mock_util, m_maybe_clean):
cc = self._get_cloud('ubuntu')
mock_util.which.return_value = True
m_maybe_clean.return_value = None
cc_lxd.handle('cc_lxd', self.lxd_cfg, cc, self.logger, [])
self.assertTrue(mock_util.which.called)
# no bridge config, so maybe_cleanup should not be called.
self.assertFalse(m_maybe_clean.called)
self.assertEqual(
[mock.call(['lxd', 'waitready', '--timeout=300']),
mock.call(
['lxd', 'init', '--auto', '--network-address=0.0.0.0',
'--storage-backend=zfs', '--storage-pool=poolname'])],
mock_util.subp.call_args_list)
@mock.patch("cloudinit.config.cc_lxd.maybe_cleanup_default")
@mock.patch("cloudinit.config.cc_lxd.util")
def test_lxd_install(self, mock_util, m_maybe_clean):
cc = self._get_cloud('ubuntu')
cc.distro = mock.MagicMock()
mock_util.which.return_value = None
cc_lxd.handle('cc_lxd', self.lxd_cfg, cc, self.logger, [])
self.assertNotIn('WARN', self.logs.getvalue())
self.assertTrue(cc.distro.install_packages.called)
cc_lxd.handle('cc_lxd', self.lxd_cfg, cc, self.logger, [])
self.assertFalse(m_maybe_clean.called)
install_pkg = cc.distro.install_packages.call_args_list[0][0][0]
self.assertEqual(sorted(install_pkg), ['lxd', 'zfsutils-linux'])
@mock.patch("cloudinit.config.cc_lxd.maybe_cleanup_default")
@mock.patch("cloudinit.config.cc_lxd.util")
def test_no_init_does_nothing(self, mock_util, m_maybe_clean):
cc = self._get_cloud('ubuntu')
cc.distro = mock.MagicMock()
cc_lxd.handle('cc_lxd', {'lxd': {}}, cc, self.logger, [])
self.assertFalse(cc.distro.install_packages.called)
self.assertFalse(mock_util.subp.called)
self.assertFalse(m_maybe_clean.called)
@mock.patch("cloudinit.config.cc_lxd.maybe_cleanup_default")
@mock.patch("cloudinit.config.cc_lxd.util")
def test_no_lxd_does_nothing(self, mock_util, m_maybe_clean):
cc = self._get_cloud('ubuntu')
cc.distro = mock.MagicMock()
cc_lxd.handle('cc_lxd', {'package_update': True}, cc, self.logger, [])
self.assertFalse(cc.distro.install_packages.called)
self.assertFalse(mock_util.subp.called)
self.assertFalse(m_maybe_clean.called)
def test_lxd_debconf_new_full(self):
data = {"mode": "new",
"name": "testbr0",
"ipv4_address": "10.0.8.1",
"ipv4_netmask": "24",
"ipv4_dhcp_first": "10.0.8.2",
"ipv4_dhcp_last": "10.0.8.254",
"ipv4_dhcp_leases": "250",
"ipv4_nat": "true",
"ipv6_address": "fd98:9e0:3744::1",
"ipv6_netmask": "64",
"ipv6_nat": "true",
"domain": "lxd"}
self.assertEqual(
cc_lxd.bridge_to_debconf(data),
{"lxd/setup-bridge": "true",
"lxd/bridge-name": "testbr0",
"lxd/bridge-ipv4": "true",
"lxd/bridge-ipv4-address": "10.0.8.1",
"lxd/bridge-ipv4-netmask": "24",
"lxd/bridge-ipv4-dhcp-first": "10.0.8.2",
"lxd/bridge-ipv4-dhcp-last": "10.0.8.254",
"lxd/bridge-ipv4-dhcp-leases": "250",
"lxd/bridge-ipv4-nat": "true",
"lxd/bridge-ipv6": "true",
"lxd/bridge-ipv6-address": "fd98:9e0:3744::1",
"lxd/bridge-ipv6-netmask": "64",
"lxd/bridge-ipv6-nat": "true",
"lxd/bridge-domain": "lxd"})
def test_lxd_debconf_new_partial(self):
data = {"mode": "new",
"ipv6_address": "fd98:9e0:3744::1",
"ipv6_netmask": "64",
"ipv6_nat": "true"}
self.assertEqual(
cc_lxd.bridge_to_debconf(data),
{"lxd/setup-bridge": "true",
"lxd/bridge-ipv6": "true",
"lxd/bridge-ipv6-address": "fd98:9e0:3744::1",
"lxd/bridge-ipv6-netmask": "64",
"lxd/bridge-ipv6-nat": "true"})
def test_lxd_debconf_existing(self):
data = {"mode": "existing",
"name": "testbr0"}
self.assertEqual(
cc_lxd.bridge_to_debconf(data),
{"lxd/setup-bridge": "false",
"lxd/use-existing-bridge": "true",
"lxd/bridge-name": "testbr0"})
def test_lxd_debconf_none(self):
data = {"mode": "none"}
self.assertEqual(
cc_lxd.bridge_to_debconf(data),
{"lxd/setup-bridge": "false",
"lxd/bridge-name": ""})
def test_lxd_cmd_new_full(self):
data = {"mode": "new",
"name": "testbr0",
"ipv4_address": "10.0.8.1",
"ipv4_netmask": "24",
"ipv4_dhcp_first": "10.0.8.2",
"ipv4_dhcp_last": "10.0.8.254",
"ipv4_dhcp_leases": "250",
"ipv4_nat": "true",
"ipv6_address": "fd98:9e0:3744::1",
"ipv6_netmask": "64",
"ipv6_nat": "true",
"domain": "lxd"}
self.assertEqual(
cc_lxd.bridge_to_cmd(data),
(["network", "create", "testbr0",
"ipv4.address=10.0.8.1/24", "ipv4.nat=true",
"ipv4.dhcp.ranges=10.0.8.2-10.0.8.254",
"ipv6.address=fd98:9e0:3744::1/64",
"ipv6.nat=true", "dns.domain=lxd"],
["network", "attach-profile",
"testbr0", "default", "eth0"]))
def test_lxd_cmd_new_partial(self):
data = {"mode": "new",
"ipv6_address": "fd98:9e0:3744::1",
"ipv6_netmask": "64",
"ipv6_nat": "true"}
self.assertEqual(
cc_lxd.bridge_to_cmd(data),
(["network", "create", "lxdbr0", "ipv4.address=none",
"ipv6.address=fd98:9e0:3744::1/64", "ipv6.nat=true"],
["network", "attach-profile",
"lxdbr0", "default", "eth0"]))
def test_lxd_cmd_existing(self):
data = {"mode": "existing",
"name": "testbr0"}
self.assertEqual(
cc_lxd.bridge_to_cmd(data),
(None, ["network", "attach-profile",
"testbr0", "default", "eth0"]))
def test_lxd_cmd_none(self):
data = {"mode": "none"}
self.assertEqual(
cc_lxd.bridge_to_cmd(data),
(None, None))
class TestLxdMaybeCleanupDefault(t_help.CiTestCase):
"""Test the implementation of maybe_cleanup_default."""
defnet = cc_lxd._DEFAULT_NETWORK_NAME
@mock.patch("cloudinit.config.cc_lxd._lxc")
def test_network_other_than_default_not_deleted(self, m_lxc):
"""deletion or removal should only occur if bridge is default."""
cc_lxd.maybe_cleanup_default(
net_name="lxdbr1", did_init=True, create=True, attach=True)
m_lxc.assert_not_called()
@mock.patch("cloudinit.config.cc_lxd._lxc")
def test_did_init_false_does_not_delete(self, m_lxc):
"""deletion or removal should only occur if did_init is True."""
cc_lxd.maybe_cleanup_default(
net_name=self.defnet, did_init=False, create=True, attach=True)
m_lxc.assert_not_called()
@mock.patch("cloudinit.config.cc_lxd._lxc")
def test_network_deleted_if_create_true(self, m_lxc):
"""deletion of network should occur if create is True."""
cc_lxd.maybe_cleanup_default(
net_name=self.defnet, did_init=True, create=True, attach=False)
m_lxc.assert_called_once_with(["network", "delete", self.defnet])
@mock.patch("cloudinit.config.cc_lxd._lxc")
def test_device_removed_if_attach_true(self, m_lxc):
"""deletion of network should occur if create is True."""
nic_name = "my_nic"
profile = "my_profile"
cc_lxd.maybe_cleanup_default(
net_name=self.defnet, did_init=True, create=False, attach=True,
profile=profile, nic_name=nic_name)
m_lxc.assert_called_once_with(
["profile", "device", "remove", profile, nic_name])
# vi: ts=4 expandtab
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