diff options
Diffstat (limited to 'tests/unittests/test_net.py')
| -rw-r--r-- | tests/unittests/test_net.py | 95 |
1 files changed, 84 insertions, 11 deletions
diff --git a/tests/unittests/test_net.py b/tests/unittests/test_net.py index 624a9aa8..7998111a 100644 --- a/tests/unittests/test_net.py +++ b/tests/unittests/test_net.py @@ -1,6 +1,10 @@ from cloudinit import net +from cloudinit.net import cmdline +from cloudinit.net import eni +from cloudinit.net import network_state from cloudinit import util +from .helpers import mock from .helpers import TestCase import base64 @@ -9,6 +13,8 @@ import gzip import io import json import os +import shutil +import tempfile DHCP_CONTENT_1 = """ DEVICE='eth0' @@ -69,21 +75,87 @@ STATIC_EXPECTED_1 = { } -class TestNetConfigParsing(TestCase): +class TestEniNetRendering(TestCase): + + @mock.patch("cloudinit.net.sys_dev_path") + @mock.patch("cloudinit.net.sys_netdev_info") + @mock.patch("cloudinit.net.get_devicelist") + def test_default_generation(self, mock_get_devicelist, + mock_sys_netdev_info, + mock_sys_dev_path): + mock_get_devicelist.return_value = ['eth1000', 'lo'] + + dev_characteristics = { + 'eth1000': { + "bridge": False, + "carrier": False, + "dormant": False, + "operstate": "down", + "address": "07-1C-C6-75-A4-BE", + } + } + + def netdev_info(name, field): + return dev_characteristics[name][field] + + mock_sys_netdev_info.side_effect = netdev_info + + tmp_dir = tempfile.mkdtemp() + self.addCleanup(shutil.rmtree, tmp_dir) + + def sys_dev_path(devname, path=""): + return tmp_dir + devname + "/" + path + + for dev in dev_characteristics: + os.makedirs(os.path.join(tmp_dir, dev)) + with open(os.path.join(tmp_dir, dev, 'operstate'), 'w') as fh: + fh.write("down") + + mock_sys_dev_path.side_effect = sys_dev_path + + network_cfg = net.generate_fallback_config() + ns = network_state.parse_net_config_data(network_cfg, + skip_broken=False) + + render_dir = os.path.join(tmp_dir, "render") + os.makedirs(render_dir) + + renderer = eni.Renderer() + renderer.render_network_state(render_dir, ns, + eni="interfaces", + links_prefix=None, + netrules=None) + + self.assertTrue(os.path.exists(os.path.join(render_dir, + 'interfaces'))) + with open(os.path.join(render_dir, 'interfaces')) as fh: + contents = fh.read() + + expected = """ +auto lo +iface lo inet loopback + +auto eth1000 +iface eth1000 inet dhcp +""" + self.assertEqual(expected.lstrip(), contents.lstrip()) + + +class TestCmdlineConfigParsing(TestCase): simple_cfg = { 'config': [{"type": "physical", "name": "eth0", "mac_address": "c0:d6:9f:2c:e8:80", "subnets": [{"type": "dhcp"}]}]} - def test_klibc_convert_dhcp(self): - found = net._klibc_to_config_entry(DHCP_CONTENT_1) + def test_cmdline_convert_dhcp(self): + found = cmdline._klibc_to_config_entry(DHCP_CONTENT_1) self.assertEqual(found, ('eth0', DHCP_EXPECTED_1)) - def test_klibc_convert_static(self): - found = net._klibc_to_config_entry(STATIC_CONTENT_1) + def test_cmdline_convert_static(self): + found = cmdline._klibc_to_config_entry(STATIC_CONTENT_1) self.assertEqual(found, ('eth1', STATIC_EXPECTED_1)) - def test_config_from_klibc_net_cfg(self): + def test_config_from_cmdline_net_cfg(self): files = [] pairs = (('net-eth0.cfg', DHCP_CONTENT_1), ('net-eth1.cfg', STATIC_CONTENT_1)) @@ -104,21 +176,22 @@ class TestNetConfigParsing(TestCase): files.append(fp) util.write_file(fp, content) - found = net.config_from_klibc_net_cfg(files=files, mac_addrs=macs) + found = cmdline.config_from_klibc_net_cfg(files=files, + mac_addrs=macs) self.assertEqual(found, expected) def test_cmdline_with_b64(self): data = base64.b64encode(json.dumps(self.simple_cfg).encode()) encoded_text = data.decode() - cmdline = 'ro network-config=' + encoded_text + ' root=foo' - found = net.read_kernel_cmdline_config(cmdline=cmdline) + raw_cmdline = 'ro network-config=' + encoded_text + ' root=foo' + found = cmdline.read_kernel_cmdline_config(cmdline=raw_cmdline) self.assertEqual(found, self.simple_cfg) def test_cmdline_with_b64_gz(self): data = _gzip_data(json.dumps(self.simple_cfg).encode()) encoded_text = base64.b64encode(data).decode() - cmdline = 'ro network-config=' + encoded_text + ' root=foo' - found = net.read_kernel_cmdline_config(cmdline=cmdline) + raw_cmdline = 'ro network-config=' + encoded_text + ' root=foo' + found = cmdline.read_kernel_cmdline_config(cmdline=raw_cmdline) self.assertEqual(found, self.simple_cfg) |