diff options
Diffstat (limited to 'cloudinit/tests')
| -rw-r--r-- | cloudinit/tests/test_event.py | 26 | ||||
| -rw-r--r-- | cloudinit/tests/test_stages.py | 98 |
2 files changed, 111 insertions, 13 deletions
diff --git a/cloudinit/tests/test_event.py b/cloudinit/tests/test_event.py new file mode 100644 index 00000000..3da4c70c --- /dev/null +++ b/cloudinit/tests/test_event.py @@ -0,0 +1,26 @@ +# This file is part of cloud-init. See LICENSE file for license information. +"""Tests related to cloudinit.event module.""" +from cloudinit.event import EventType, EventScope, userdata_to_events + + +class TestEvent: + def test_userdata_to_events(self): + userdata = {'network': {'when': ['boot']}} + expected = {EventScope.NETWORK: {EventType.BOOT}} + assert expected == userdata_to_events(userdata) + + def test_invalid_scope(self, caplog): + userdata = {'networkasdfasdf': {'when': ['boot']}} + userdata_to_events(userdata) + assert ( + "'networkasdfasdf' is not a valid EventScope! Update data " + "will be ignored for 'networkasdfasdf' scope" + ) in caplog.text + + def test_invalid_event(self, caplog): + userdata = {'network': {'when': ['bootasdfasdf']}} + userdata_to_events(userdata) + assert ( + "'bootasdfasdf' is not a valid EventType! Update data " + "will be ignored for 'network' scope" + ) in caplog.text diff --git a/cloudinit/tests/test_stages.py b/cloudinit/tests/test_stages.py index d2d1b37f..a06a2bde 100644 --- a/cloudinit/tests/test_stages.py +++ b/cloudinit/tests/test_stages.py @@ -1,7 +1,6 @@ # This file is part of cloud-init. See LICENSE file for license information. """Tests related to cloudinit.stages module.""" - import os import stat @@ -11,7 +10,7 @@ from cloudinit import stages from cloudinit import sources from cloudinit.sources import NetworkConfigSource -from cloudinit.event import EventType +from cloudinit.event import EventScope, EventType from cloudinit.util import write_file from cloudinit.tests.helpers import CiTestCase, mock @@ -52,6 +51,8 @@ class TestInit(CiTestCase): 'distro': 'ubuntu', 'paths': {'cloud_dir': self.tmpdir, 'run_dir': self.tmpdir}}} self.init.datasource = FakeDataSource(paths=self.init.paths) + self._real_is_new_instance = self.init.is_new_instance + self.init.is_new_instance = mock.Mock(return_value=True) def test_wb__find_networking_config_disabled(self): """find_networking_config returns no config when disabled.""" @@ -291,6 +292,7 @@ class TestInit(CiTestCase): m_macs.return_value = {'42:42:42:42:42:42': 'eth9'} self.init._find_networking_config = fake_network_config + self.init.apply_network_config(True) self.init.distro.apply_network_config_names.assert_called_with(net_cfg) self.init.distro.apply_network_config.assert_called_with( @@ -299,6 +301,7 @@ class TestInit(CiTestCase): @mock.patch('cloudinit.distros.ubuntu.Distro') def test_apply_network_on_same_instance_id(self, m_ubuntu): """Only call distro.apply_network_config_names on same instance id.""" + self.init.is_new_instance = self._real_is_new_instance old_instance_id = os.path.join( self.init.paths.get_cpath('data'), 'instance-id') write_file(old_instance_id, TEST_INSTANCE_ID) @@ -311,18 +314,19 @@ class TestInit(CiTestCase): return net_cfg, NetworkConfigSource.fallback self.init._find_networking_config = fake_network_config + self.init.apply_network_config(True) self.init.distro.apply_network_config_names.assert_called_with(net_cfg) self.init.distro.apply_network_config.assert_not_called() - self.assertIn( - 'No network config applied. Neither a new instance' - " nor datasource network update on '%s' event" % EventType.BOOT, - self.logs.getvalue()) - - @mock.patch('cloudinit.net.get_interfaces_by_mac') - @mock.patch('cloudinit.distros.ubuntu.Distro') - def test_apply_network_on_datasource_allowed_event(self, m_ubuntu, m_macs): - """Apply network if datasource.update_metadata permits BOOT event.""" + assert ( + "No network config applied. Neither a new instance nor datasource " + "network update allowed" + ) in self.logs.getvalue() + + # CiTestCase doesn't work with pytest.mark.parametrize, and moving this + # functionality to a separate class is more cumbersome than it'd be worth + # at the moment, so use this as a simple setup + def _apply_network_setup(self, m_macs): old_instance_id = os.path.join( self.init.paths.get_cpath('data'), 'instance-id') write_file(old_instance_id, TEST_INSTANCE_ID) @@ -338,12 +342,80 @@ class TestInit(CiTestCase): self.init._find_networking_config = fake_network_config self.init.datasource = FakeDataSource(paths=self.init.paths) - self.init.datasource.update_events = {'network': [EventType.BOOT]} + self.init.is_new_instance = mock.Mock(return_value=False) + return net_cfg + + @mock.patch('cloudinit.net.get_interfaces_by_mac') + @mock.patch('cloudinit.distros.ubuntu.Distro') + @mock.patch.dict(sources.DataSource.default_update_events, { + EventScope.NETWORK: {EventType.BOOT_NEW_INSTANCE, EventType.BOOT}}) + def test_apply_network_allowed_when_default_boot( + self, m_ubuntu, m_macs + ): + """Apply network if datasource permits BOOT event.""" + net_cfg = self._apply_network_setup(m_macs) + self.init.apply_network_config(True) - self.init.distro.apply_network_config_names.assert_called_with(net_cfg) + assert mock.call( + net_cfg + ) == self.init.distro.apply_network_config_names.call_args_list[-1] + assert mock.call( + net_cfg, bring_up=True + ) == self.init.distro.apply_network_config.call_args_list[-1] + + @mock.patch('cloudinit.net.get_interfaces_by_mac') + @mock.patch('cloudinit.distros.ubuntu.Distro') + @mock.patch.dict(sources.DataSource.default_update_events, { + EventScope.NETWORK: {EventType.BOOT_NEW_INSTANCE}}) + def test_apply_network_disabled_when_no_default_boot( + self, m_ubuntu, m_macs + ): + """Don't apply network if datasource has no BOOT event.""" + self._apply_network_setup(m_macs) + self.init.apply_network_config(True) + self.init.distro.apply_network_config.assert_not_called() + assert ( + "No network config applied. Neither a new instance nor datasource " + "network update allowed" + ) in self.logs.getvalue() + + @mock.patch('cloudinit.net.get_interfaces_by_mac') + @mock.patch('cloudinit.distros.ubuntu.Distro') + @mock.patch.dict(sources.DataSource.default_update_events, { + EventScope.NETWORK: {EventType.BOOT_NEW_INSTANCE}}) + def test_apply_network_allowed_with_userdata_overrides( + self, m_ubuntu, m_macs + ): + """Apply network if userdata overrides default config""" + net_cfg = self._apply_network_setup(m_macs) + self.init._cfg = {'updates': {'network': {'when': ['boot']}}} + self.init.apply_network_config(True) + self.init.distro.apply_network_config_names.assert_called_with( + net_cfg) self.init.distro.apply_network_config.assert_called_with( net_cfg, bring_up=True) + @mock.patch('cloudinit.net.get_interfaces_by_mac') + @mock.patch('cloudinit.distros.ubuntu.Distro') + @mock.patch.dict(sources.DataSource.supported_update_events, { + EventScope.NETWORK: {EventType.BOOT_NEW_INSTANCE}}) + def test_apply_network_disabled_when_unsupported( + self, m_ubuntu, m_macs + ): + """Don't apply network config if unsupported. + + Shouldn't work even when specified as userdata + """ + self._apply_network_setup(m_macs) + + self.init._cfg = {'updates': {'network': {'when': ['boot']}}} + self.init.apply_network_config(True) + self.init.distro.apply_network_config.assert_not_called() + assert ( + "No network config applied. Neither a new instance nor datasource " + "network update allowed" + ) in self.logs.getvalue() + class TestInit_InitializeFilesystem: """Tests for cloudinit.stages.Init._initialize_filesystem. |