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from cloudinit.config import cc_lxd
from cloudinit.sources import DataSourceNoCloud
from cloudinit import (distros, helpers, cloud)
from .. import helpers as t_help
import logging
try:
from unittest import mock
except ImportError:
import mock
LOG = logging.getLogger(__name__)
class TestLxd(t_help.TestCase):
lxd_cfg = {
'lxd': {
'init': {
'network_address': '0.0.0.0',
'storage_backend': 'zfs',
'storage_pool': 'poolname',
}
}
}
def setUp(self):
super(TestLxd, self).setUp()
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.util")
def test_lxd_init(self, mock_util):
cc = self._get_cloud('ubuntu')
mock_util.which.return_value = True
cc_lxd.handle('cc_lxd', self.lxd_cfg, cc, LOG, [])
self.assertTrue(mock_util.which.called)
init_call = mock_util.subp.call_args_list[0][0][0]
self.assertEqual(init_call,
['lxd', 'init', '--auto',
'--network-address=0.0.0.0',
'--storage-backend=zfs',
'--storage-pool=poolname'])
@mock.patch("cloudinit.config.cc_lxd.util")
def test_lxd_install(self, mock_util):
cc = self._get_cloud('ubuntu')
cc.distro = mock.MagicMock()
mock_util.which.return_value = None
cc_lxd.handle('cc_lxd', self.lxd_cfg, cc, LOG, [])
self.assertTrue(cc.distro.install_packages.called)
install_pkg = cc.distro.install_packages.call_args_list[0][0][0]
self.assertEqual(sorted(install_pkg), ['lxd', 'zfs'])
@mock.patch("cloudinit.config.cc_lxd.util")
def test_no_init_does_nothing(self, mock_util):
cc = self._get_cloud('ubuntu')
cc.distro = mock.MagicMock()
cc_lxd.handle('cc_lxd', {'lxd': {}}, cc, LOG, [])
self.assertFalse(cc.distro.install_packages.called)
self.assertFalse(mock_util.subp.called)
@mock.patch("cloudinit.config.cc_lxd.util")
def test_no_lxd_does_nothing(self, mock_util):
cc = self._get_cloud('ubuntu')
cc.distro = mock.MagicMock()
cc_lxd.handle('cc_lxd', {'package_update': True}, cc, LOG, [])
self.assertFalse(cc.distro.install_packages.called)
self.assertFalse(mock_util.subp.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),
(["lxc", "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",
"--force-local"],
["lxc", "network", "attach-profile",
"testbr0", "default", "eth0", "--force-local"]))
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),
(["lxc", "network", "create", "lxdbr0", "ipv4.address=none",
"ipv6.address=fd98:9e0:3744::1/64", "ipv6.nat=true",
"--force-local"],
["lxc", "network", "attach-profile",
"lxdbr0", "default", "eth0", "--force-local"]))
def test_lxd_cmd_existing(self):
data = {"mode": "existing",
"name": "testbr0"}
self.assertEqual(
cc_lxd.bridge_to_cmd(data),
(None, ["lxc", "network", "attach-profile",
"testbr0", "default", "eth0", "--force-local"]))
def test_lxd_cmd_none(self):
data = {"mode": "none"}
self.assertEqual(
cc_lxd.bridge_to_cmd(data),
(None, None))
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