diff options
Diffstat (limited to 'cloudinit/sources/tests/test_init.py')
| -rw-r--r-- | cloudinit/sources/tests/test_init.py | 771 |
1 files changed, 0 insertions, 771 deletions
diff --git a/cloudinit/sources/tests/test_init.py b/cloudinit/sources/tests/test_init.py deleted file mode 100644 index ae09cb17..00000000 --- a/cloudinit/sources/tests/test_init.py +++ /dev/null @@ -1,771 +0,0 @@ -# This file is part of cloud-init. See LICENSE file for license information. - -import copy -import inspect -import os -import stat - -from cloudinit.event import EventScope, EventType -from cloudinit.helpers import Paths -from cloudinit import importer -from cloudinit.sources import ( - EXPERIMENTAL_TEXT, INSTANCE_JSON_FILE, INSTANCE_JSON_SENSITIVE_FILE, - METADATA_UNKNOWN, REDACT_SENSITIVE_VALUE, UNSET, DataSource, - canonical_cloud_id, redact_sensitive_keys) -from cloudinit.tests.helpers import CiTestCase, mock -from cloudinit.user_data import UserDataProcessor -from cloudinit import util - - -class DataSourceTestSubclassNet(DataSource): - - dsname = 'MyTestSubclass' - url_max_wait = 55 - - def __init__(self, sys_cfg, distro, paths, custom_metadata=None, - custom_userdata=None, get_data_retval=True): - super(DataSourceTestSubclassNet, self).__init__( - sys_cfg, distro, paths) - self._custom_userdata = custom_userdata - self._custom_metadata = custom_metadata - self._get_data_retval = get_data_retval - - def _get_cloud_name(self): - return 'SubclassCloudName' - - def _get_data(self): - if self._custom_metadata: - self.metadata = self._custom_metadata - else: - self.metadata = {'availability_zone': 'myaz', - 'local-hostname': 'test-subclass-hostname', - 'region': 'myregion'} - if self._custom_userdata: - self.userdata_raw = self._custom_userdata - else: - self.userdata_raw = 'userdata_raw' - self.vendordata_raw = 'vendordata_raw' - return self._get_data_retval - - -class InvalidDataSourceTestSubclassNet(DataSource): - pass - - -class TestDataSource(CiTestCase): - - with_logs = True - maxDiff = None - - def setUp(self): - super(TestDataSource, self).setUp() - self.sys_cfg = {'datasource': {'_undef': {'key1': False}}} - self.distro = 'distrotest' # generally should be a Distro object - self.paths = Paths({}) - self.datasource = DataSource(self.sys_cfg, self.distro, self.paths) - - def test_datasource_init(self): - """DataSource initializes metadata attributes, ds_cfg and ud_proc.""" - self.assertEqual(self.paths, self.datasource.paths) - self.assertEqual(self.sys_cfg, self.datasource.sys_cfg) - self.assertEqual(self.distro, self.datasource.distro) - self.assertIsNone(self.datasource.userdata) - self.assertEqual({}, self.datasource.metadata) - self.assertIsNone(self.datasource.userdata_raw) - self.assertIsNone(self.datasource.vendordata) - self.assertIsNone(self.datasource.vendordata_raw) - self.assertEqual({'key1': False}, self.datasource.ds_cfg) - self.assertIsInstance(self.datasource.ud_proc, UserDataProcessor) - - def test_datasource_init_gets_ds_cfg_using_dsname(self): - """Init uses DataSource.dsname for sourcing ds_cfg.""" - sys_cfg = {'datasource': {'MyTestSubclass': {'key2': False}}} - distro = 'distrotest' # generally should be a Distro object - datasource = DataSourceTestSubclassNet(sys_cfg, distro, self.paths) - self.assertEqual({'key2': False}, datasource.ds_cfg) - - def test_str_is_classname(self): - """The string representation of the datasource is the classname.""" - self.assertEqual('DataSource', str(self.datasource)) - self.assertEqual( - 'DataSourceTestSubclassNet', - str(DataSourceTestSubclassNet('', '', self.paths))) - - def test_datasource_get_url_params_defaults(self): - """get_url_params default url config settings for the datasource.""" - params = self.datasource.get_url_params() - self.assertEqual(params.max_wait_seconds, self.datasource.url_max_wait) - self.assertEqual(params.timeout_seconds, self.datasource.url_timeout) - self.assertEqual(params.num_retries, self.datasource.url_retries) - self.assertEqual(params.sec_between_retries, - self.datasource.url_sec_between_retries) - - def test_datasource_get_url_params_subclassed(self): - """Subclasses can override get_url_params defaults.""" - sys_cfg = {'datasource': {'MyTestSubclass': {'key2': False}}} - distro = 'distrotest' # generally should be a Distro object - datasource = DataSourceTestSubclassNet(sys_cfg, distro, self.paths) - expected = (datasource.url_max_wait, datasource.url_timeout, - datasource.url_retries, datasource.url_sec_between_retries) - url_params = datasource.get_url_params() - self.assertNotEqual(self.datasource.get_url_params(), url_params) - self.assertEqual(expected, url_params) - - def test_datasource_get_url_params_ds_config_override(self): - """Datasource configuration options can override url param defaults.""" - sys_cfg = { - 'datasource': { - 'MyTestSubclass': { - 'max_wait': '1', 'timeout': '2', - 'retries': '3', 'sec_between_retries': 4 - }}} - datasource = DataSourceTestSubclassNet( - sys_cfg, self.distro, self.paths) - expected = (1, 2, 3, 4) - url_params = datasource.get_url_params() - self.assertNotEqual( - (datasource.url_max_wait, datasource.url_timeout, - datasource.url_retries, datasource.url_sec_between_retries), - url_params) - self.assertEqual(expected, url_params) - - def test_datasource_get_url_params_is_zero_or_greater(self): - """get_url_params ignores timeouts with a value below 0.""" - # Set an override that is below 0 which gets ignored. - sys_cfg = {'datasource': {'_undef': {'timeout': '-1'}}} - datasource = DataSource(sys_cfg, self.distro, self.paths) - (_max_wait, timeout, _retries, - _sec_between_retries) = datasource.get_url_params() - self.assertEqual(0, timeout) - - def test_datasource_get_url_uses_defaults_on_errors(self): - """On invalid system config values for url_params defaults are used.""" - # All invalid values should be logged - sys_cfg = {'datasource': { - '_undef': { - 'max_wait': 'nope', 'timeout': 'bug', 'retries': 'nonint'}}} - datasource = DataSource(sys_cfg, self.distro, self.paths) - url_params = datasource.get_url_params() - expected = (datasource.url_max_wait, datasource.url_timeout, - datasource.url_retries, datasource.url_sec_between_retries) - self.assertEqual(expected, url_params) - logs = self.logs.getvalue() - expected_logs = [ - "Config max_wait 'nope' is not an int, using default '-1'", - "Config timeout 'bug' is not an int, using default '10'", - "Config retries 'nonint' is not an int, using default '5'", - ] - for log in expected_logs: - self.assertIn(log, logs) - - @mock.patch('cloudinit.sources.net.find_fallback_nic') - def test_fallback_interface_is_discovered(self, m_get_fallback_nic): - """The fallback_interface is discovered via find_fallback_nic.""" - m_get_fallback_nic.return_value = 'nic9' - self.assertEqual('nic9', self.datasource.fallback_interface) - - @mock.patch('cloudinit.sources.net.find_fallback_nic') - def test_fallback_interface_logs_undiscovered(self, m_get_fallback_nic): - """Log a warning when fallback_interface can not discover the nic.""" - self.datasource._cloud_name = 'MySupahCloud' - m_get_fallback_nic.return_value = None # Couldn't discover nic - self.assertIsNone(self.datasource.fallback_interface) - self.assertEqual( - 'WARNING: Did not find a fallback interface on MySupahCloud.\n', - self.logs.getvalue()) - - @mock.patch('cloudinit.sources.net.find_fallback_nic') - def test_wb_fallback_interface_is_cached(self, m_get_fallback_nic): - """The fallback_interface is cached and won't be rediscovered.""" - self.datasource._fallback_interface = 'nic10' - self.assertEqual('nic10', self.datasource.fallback_interface) - m_get_fallback_nic.assert_not_called() - - def test__get_data_unimplemented(self): - """Raise an error when _get_data is not implemented.""" - with self.assertRaises(NotImplementedError) as context_manager: - self.datasource.get_data() - self.assertIn( - 'Subclasses of DataSource must implement _get_data', - str(context_manager.exception)) - datasource2 = InvalidDataSourceTestSubclassNet( - self.sys_cfg, self.distro, self.paths) - with self.assertRaises(NotImplementedError) as context_manager: - datasource2.get_data() - self.assertIn( - 'Subclasses of DataSource must implement _get_data', - str(context_manager.exception)) - - def test_get_data_calls_subclass__get_data(self): - """Datasource.get_data uses the subclass' version of _get_data.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp})) - self.assertTrue(datasource.get_data()) - self.assertEqual( - {'availability_zone': 'myaz', - 'local-hostname': 'test-subclass-hostname', - 'region': 'myregion'}, - datasource.metadata) - self.assertEqual('userdata_raw', datasource.userdata_raw) - self.assertEqual('vendordata_raw', datasource.vendordata_raw) - - def test_get_hostname_strips_local_hostname_without_domain(self): - """Datasource.get_hostname strips metadata local-hostname of domain.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp})) - self.assertTrue(datasource.get_data()) - self.assertEqual( - 'test-subclass-hostname', datasource.metadata['local-hostname']) - self.assertEqual('test-subclass-hostname', datasource.get_hostname()) - datasource.metadata['local-hostname'] = 'hostname.my.domain.com' - self.assertEqual('hostname', datasource.get_hostname()) - - def test_get_hostname_with_fqdn_returns_local_hostname_with_domain(self): - """Datasource.get_hostname with fqdn set gets qualified hostname.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp})) - self.assertTrue(datasource.get_data()) - datasource.metadata['local-hostname'] = 'hostname.my.domain.com' - self.assertEqual( - 'hostname.my.domain.com', datasource.get_hostname(fqdn=True)) - - def test_get_hostname_without_metadata_uses_system_hostname(self): - """Datasource.gethostname runs util.get_hostname when no metadata.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp})) - self.assertEqual({}, datasource.metadata) - mock_fqdn = 'cloudinit.sources.util.get_fqdn_from_hosts' - with mock.patch('cloudinit.sources.util.get_hostname') as m_gethost: - with mock.patch(mock_fqdn) as m_fqdn: - m_gethost.return_value = 'systemhostname.domain.com' - m_fqdn.return_value = None # No maching fqdn in /etc/hosts - self.assertEqual('systemhostname', datasource.get_hostname()) - self.assertEqual( - 'systemhostname.domain.com', - datasource.get_hostname(fqdn=True)) - - def test_get_hostname_without_metadata_returns_none(self): - """Datasource.gethostname returns None when metadata_only and no MD.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp})) - self.assertEqual({}, datasource.metadata) - mock_fqdn = 'cloudinit.sources.util.get_fqdn_from_hosts' - with mock.patch('cloudinit.sources.util.get_hostname') as m_gethost: - with mock.patch(mock_fqdn) as m_fqdn: - self.assertIsNone(datasource.get_hostname(metadata_only=True)) - self.assertIsNone( - datasource.get_hostname(fqdn=True, metadata_only=True)) - self.assertEqual([], m_gethost.call_args_list) - self.assertEqual([], m_fqdn.call_args_list) - - def test_get_hostname_without_metadata_prefers_etc_hosts(self): - """Datasource.gethostname prefers /etc/hosts to util.get_hostname.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp})) - self.assertEqual({}, datasource.metadata) - mock_fqdn = 'cloudinit.sources.util.get_fqdn_from_hosts' - with mock.patch('cloudinit.sources.util.get_hostname') as m_gethost: - with mock.patch(mock_fqdn) as m_fqdn: - m_gethost.return_value = 'systemhostname.domain.com' - m_fqdn.return_value = 'fqdnhostname.domain.com' - self.assertEqual('fqdnhostname', datasource.get_hostname()) - self.assertEqual('fqdnhostname.domain.com', - datasource.get_hostname(fqdn=True)) - - def test_get_data_does_not_write_instance_data_on_failure(self): - """get_data does not write INSTANCE_JSON_FILE on get_data False.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp}), - get_data_retval=False) - self.assertFalse(datasource.get_data()) - json_file = self.tmp_path(INSTANCE_JSON_FILE, tmp) - self.assertFalse( - os.path.exists(json_file), 'Found unexpected file %s' % json_file) - - def test_get_data_writes_json_instance_data_on_success(self): - """get_data writes INSTANCE_JSON_FILE to run_dir as world readable.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp})) - sys_info = { - "python": "3.7", - "platform": - "Linux-5.4.0-24-generic-x86_64-with-Ubuntu-20.04-focal", - "uname": ["Linux", "myhost", "5.4.0-24-generic", "SMP blah", - "x86_64"], - "variant": "ubuntu", "dist": ["ubuntu", "20.04", "focal"]} - with mock.patch("cloudinit.util.system_info", return_value=sys_info): - datasource.get_data() - json_file = self.tmp_path(INSTANCE_JSON_FILE, tmp) - content = util.load_file(json_file) - expected = { - 'base64_encoded_keys': [], - 'merged_cfg': REDACT_SENSITIVE_VALUE, - 'sensitive_keys': ['merged_cfg'], - 'sys_info': sys_info, - 'v1': { - '_beta_keys': ['subplatform'], - 'availability-zone': 'myaz', - 'availability_zone': 'myaz', - 'cloud-name': 'subclasscloudname', - 'cloud_name': 'subclasscloudname', - 'distro': 'ubuntu', - 'distro_release': 'focal', - 'distro_version': '20.04', - 'instance-id': 'iid-datasource', - 'instance_id': 'iid-datasource', - 'local-hostname': 'test-subclass-hostname', - 'local_hostname': 'test-subclass-hostname', - 'kernel_release': '5.4.0-24-generic', - 'machine': 'x86_64', - 'platform': 'mytestsubclass', - 'public_ssh_keys': [], - 'python_version': '3.7', - 'region': 'myregion', - 'system_platform': - 'Linux-5.4.0-24-generic-x86_64-with-Ubuntu-20.04-focal', - 'subplatform': 'unknown', - 'variant': 'ubuntu'}, - 'ds': { - - '_doc': EXPERIMENTAL_TEXT, - 'meta_data': {'availability_zone': 'myaz', - 'local-hostname': 'test-subclass-hostname', - 'region': 'myregion'}}} - self.assertEqual(expected, util.load_json(content)) - file_stat = os.stat(json_file) - self.assertEqual(0o644, stat.S_IMODE(file_stat.st_mode)) - self.assertEqual(expected, util.load_json(content)) - - def test_get_data_writes_redacted_public_json_instance_data(self): - """get_data writes redacted content to public INSTANCE_JSON_FILE.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp}), - custom_metadata={ - 'availability_zone': 'myaz', - 'local-hostname': 'test-subclass-hostname', - 'region': 'myregion', - 'some': {'security-credentials': { - 'cred1': 'sekret', 'cred2': 'othersekret'}}}) - self.assertCountEqual( - ('merged_cfg', 'security-credentials',), - datasource.sensitive_metadata_keys) - sys_info = { - "python": "3.7", - "platform": - "Linux-5.4.0-24-generic-x86_64-with-Ubuntu-20.04-focal", - "uname": ["Linux", "myhost", "5.4.0-24-generic", "SMP blah", - "x86_64"], - "variant": "ubuntu", "dist": ["ubuntu", "20.04", "focal"]} - with mock.patch("cloudinit.util.system_info", return_value=sys_info): - datasource.get_data() - json_file = self.tmp_path(INSTANCE_JSON_FILE, tmp) - redacted = util.load_json(util.load_file(json_file)) - expected = { - 'base64_encoded_keys': [], - 'merged_cfg': REDACT_SENSITIVE_VALUE, - 'sensitive_keys': [ - 'ds/meta_data/some/security-credentials', 'merged_cfg'], - 'sys_info': sys_info, - 'v1': { - '_beta_keys': ['subplatform'], - 'availability-zone': 'myaz', - 'availability_zone': 'myaz', - 'cloud-name': 'subclasscloudname', - 'cloud_name': 'subclasscloudname', - 'distro': 'ubuntu', - 'distro_release': 'focal', - 'distro_version': '20.04', - 'instance-id': 'iid-datasource', - 'instance_id': 'iid-datasource', - 'local-hostname': 'test-subclass-hostname', - 'local_hostname': 'test-subclass-hostname', - 'kernel_release': '5.4.0-24-generic', - 'machine': 'x86_64', - 'platform': 'mytestsubclass', - 'public_ssh_keys': [], - 'python_version': '3.7', - 'region': 'myregion', - 'system_platform': - 'Linux-5.4.0-24-generic-x86_64-with-Ubuntu-20.04-focal', - 'subplatform': 'unknown', - 'variant': 'ubuntu'}, - 'ds': { - '_doc': EXPERIMENTAL_TEXT, - 'meta_data': { - 'availability_zone': 'myaz', - 'local-hostname': 'test-subclass-hostname', - 'region': 'myregion', - 'some': {'security-credentials': REDACT_SENSITIVE_VALUE}}} - } - self.assertCountEqual(expected, redacted) - file_stat = os.stat(json_file) - self.assertEqual(0o644, stat.S_IMODE(file_stat.st_mode)) - - def test_get_data_writes_json_instance_data_sensitive(self): - """ - get_data writes unmodified data to sensitive file as root-readonly. - """ - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp}), - custom_metadata={ - 'availability_zone': 'myaz', - 'local-hostname': 'test-subclass-hostname', - 'region': 'myregion', - 'some': {'security-credentials': { - 'cred1': 'sekret', 'cred2': 'othersekret'}}}) - sys_info = { - "python": "3.7", - "platform": - "Linux-5.4.0-24-generic-x86_64-with-Ubuntu-20.04-focal", - "uname": ["Linux", "myhost", "5.4.0-24-generic", "SMP blah", - "x86_64"], - "variant": "ubuntu", "dist": ["ubuntu", "20.04", "focal"]} - - self.assertCountEqual( - ('merged_cfg', 'security-credentials',), - datasource.sensitive_metadata_keys) - with mock.patch("cloudinit.util.system_info", return_value=sys_info): - datasource.get_data() - sensitive_json_file = self.tmp_path(INSTANCE_JSON_SENSITIVE_FILE, tmp) - content = util.load_file(sensitive_json_file) - expected = { - 'base64_encoded_keys': [], - 'merged_cfg': { - '_doc': ( - 'Merged cloud-init system config from ' - '/etc/cloud/cloud.cfg and /etc/cloud/cloud.cfg.d/' - ), - 'datasource': {'_undef': {'key1': False}}}, - 'sensitive_keys': [ - 'ds/meta_data/some/security-credentials', 'merged_cfg'], - 'sys_info': sys_info, - 'v1': { - '_beta_keys': ['subplatform'], - 'availability-zone': 'myaz', - 'availability_zone': 'myaz', - 'cloud-name': 'subclasscloudname', - 'cloud_name': 'subclasscloudname', - 'distro': 'ubuntu', - 'distro_release': 'focal', - 'distro_version': '20.04', - 'instance-id': 'iid-datasource', - 'instance_id': 'iid-datasource', - 'kernel_release': '5.4.0-24-generic', - 'local-hostname': 'test-subclass-hostname', - 'local_hostname': 'test-subclass-hostname', - 'machine': 'x86_64', - 'platform': 'mytestsubclass', - 'public_ssh_keys': [], - 'python_version': '3.7', - 'region': 'myregion', - 'subplatform': 'unknown', - 'system_platform': - 'Linux-5.4.0-24-generic-x86_64-with-Ubuntu-20.04-focal', - 'variant': 'ubuntu'}, - 'ds': { - '_doc': EXPERIMENTAL_TEXT, - 'meta_data': { - 'availability_zone': 'myaz', - 'local-hostname': 'test-subclass-hostname', - 'region': 'myregion', - 'some': { - 'security-credentials': - {'cred1': 'sekret', 'cred2': 'othersekret'}}}} - } - self.assertCountEqual(expected, util.load_json(content)) - file_stat = os.stat(sensitive_json_file) - self.assertEqual(0o600, stat.S_IMODE(file_stat.st_mode)) - self.assertEqual(expected, util.load_json(content)) - - def test_get_data_handles_redacted_unserializable_content(self): - """get_data warns unserializable content in INSTANCE_JSON_FILE.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp}), - custom_metadata={'key1': 'val1', 'key2': {'key2.1': self.paths}}) - datasource.get_data() - json_file = self.tmp_path(INSTANCE_JSON_FILE, tmp) - content = util.load_file(json_file) - expected_metadata = { - 'key1': 'val1', - 'key2': { - 'key2.1': "Warning: redacted unserializable type <class" - " 'cloudinit.helpers.Paths'>"}} - instance_json = util.load_json(content) - self.assertEqual( - expected_metadata, instance_json['ds']['meta_data']) - - def test_persist_instance_data_writes_ec2_metadata_when_set(self): - """When ec2_metadata class attribute is set, persist to json.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp})) - datasource.ec2_metadata = UNSET - datasource.get_data() - json_file = self.tmp_path(INSTANCE_JSON_FILE, tmp) - instance_data = util.load_json(util.load_file(json_file)) - self.assertNotIn('ec2_metadata', instance_data['ds']) - datasource.ec2_metadata = {'ec2stuff': 'is good'} - datasource.persist_instance_data() - instance_data = util.load_json(util.load_file(json_file)) - self.assertEqual( - {'ec2stuff': 'is good'}, - instance_data['ds']['ec2_metadata']) - - def test_persist_instance_data_writes_network_json_when_set(self): - """When network_data.json class attribute is set, persist to json.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp})) - datasource.get_data() - json_file = self.tmp_path(INSTANCE_JSON_FILE, tmp) - instance_data = util.load_json(util.load_file(json_file)) - self.assertNotIn('network_json', instance_data['ds']) - datasource.network_json = {'network_json': 'is good'} - datasource.persist_instance_data() - instance_data = util.load_json(util.load_file(json_file)) - self.assertEqual( - {'network_json': 'is good'}, - instance_data['ds']['network_json']) - - def test_get_data_base64encodes_unserializable_bytes(self): - """On py3, get_data base64encodes any unserializable content.""" - tmp = self.tmp_dir() - datasource = DataSourceTestSubclassNet( - self.sys_cfg, self.distro, Paths({'run_dir': tmp}), - custom_metadata={'key1': 'val1', 'key2': {'key2.1': b'\x123'}}) - self.assertTrue(datasource.get_data()) - json_file = self.tmp_path(INSTANCE_JSON_FILE, tmp) - content = util.load_file(json_file) - instance_json = util.load_json(content) - self.assertCountEqual( - ['ds/meta_data/key2/key2.1'], - instance_json['base64_encoded_keys']) - self.assertEqual( - {'key1': 'val1', 'key2': {'key2.1': 'EjM='}}, - instance_json['ds']['meta_data']) - - def test_get_hostname_subclass_support(self): - """Validate get_hostname signature on all subclasses of DataSource.""" - base_args = inspect.getfullargspec(DataSource.get_hostname) - # Import all DataSource subclasses so we can inspect them. - modules = util.find_modules(os.path.dirname(os.path.dirname(__file__))) - for _loc, name in modules.items(): - mod_locs, _ = importer.find_module(name, ['cloudinit.sources'], []) - if mod_locs: - importer.import_module(mod_locs[0]) - for child in DataSource.__subclasses__(): - if 'Test' in child.dsname: - continue - self.assertEqual( - base_args, - inspect.getfullargspec(child.get_hostname), - '%s does not implement DataSource.get_hostname params' - % child) - for grandchild in child.__subclasses__(): - self.assertEqual( - base_args, - inspect.getfullargspec(grandchild.get_hostname), - '%s does not implement DataSource.get_hostname params' - % grandchild) - - def test_clear_cached_attrs_resets_cached_attr_class_attributes(self): - """Class attributes listed in cached_attr_defaults are reset.""" - count = 0 - # Setup values for all cached class attributes - for attr, value in self.datasource.cached_attr_defaults: - setattr(self.datasource, attr, count) - count += 1 - self.datasource._dirty_cache = True - self.datasource.clear_cached_attrs() - for attr, value in self.datasource.cached_attr_defaults: - self.assertEqual(value, getattr(self.datasource, attr)) - - def test_clear_cached_attrs_noops_on_clean_cache(self): - """Class attributes listed in cached_attr_defaults are reset.""" - count = 0 - # Setup values for all cached class attributes - for attr, _ in self.datasource.cached_attr_defaults: - setattr(self.datasource, attr, count) - count += 1 - self.datasource._dirty_cache = False # Fake clean cache - self.datasource.clear_cached_attrs() - count = 0 - for attr, _ in self.datasource.cached_attr_defaults: - self.assertEqual(count, getattr(self.datasource, attr)) - count += 1 - - def test_clear_cached_attrs_skips_non_attr_class_attributes(self): - """Skip any cached_attr_defaults which aren't class attributes.""" - self.datasource._dirty_cache = True - self.datasource.clear_cached_attrs() - for attr in ('ec2_metadata', 'network_json'): - self.assertFalse(hasattr(self.datasource, attr)) - - def test_clear_cached_attrs_of_custom_attrs(self): - """Custom attr_values can be passed to clear_cached_attrs.""" - self.datasource._dirty_cache = True - cached_attr_name = self.datasource.cached_attr_defaults[0][0] - setattr(self.datasource, cached_attr_name, 'himom') - self.datasource.myattr = 'orig' - self.datasource.clear_cached_attrs( - attr_defaults=(('myattr', 'updated'),)) - self.assertEqual('himom', getattr(self.datasource, cached_attr_name)) - self.assertEqual('updated', self.datasource.myattr) - - @mock.patch.dict(DataSource.default_update_events, { - EventScope.NETWORK: {EventType.BOOT_NEW_INSTANCE}}) - @mock.patch.dict(DataSource.supported_update_events, { - EventScope.NETWORK: {EventType.BOOT_NEW_INSTANCE}}) - def test_update_metadata_only_acts_on_supported_update_events(self): - """update_metadata_if_supported wont get_data on unsupported events.""" - self.assertEqual( - {EventScope.NETWORK: set([EventType.BOOT_NEW_INSTANCE])}, - self.datasource.default_update_events - ) - - def fake_get_data(): - raise Exception('get_data should not be called') - - self.datasource.get_data = fake_get_data - self.assertFalse( - self.datasource.update_metadata_if_supported( - source_event_types=[EventType.BOOT])) - - @mock.patch.dict(DataSource.supported_update_events, { - EventScope.NETWORK: {EventType.BOOT_NEW_INSTANCE}}) - def test_update_metadata_returns_true_on_supported_update_event(self): - """update_metadata_if_supported returns get_data on supported events""" - def fake_get_data(): - return True - - self.datasource.get_data = fake_get_data - self.datasource._network_config = 'something' - self.datasource._dirty_cache = True - self.assertTrue( - self.datasource.update_metadata_if_supported( - source_event_types=[ - EventType.BOOT, EventType.BOOT_NEW_INSTANCE])) - self.assertEqual(UNSET, self.datasource._network_config) - - self.assertIn( - "DEBUG: Update datasource metadata and network config due to" - " events: boot-new-instance", - self.logs.getvalue() - ) - - -class TestRedactSensitiveData(CiTestCase): - - def test_redact_sensitive_data_noop_when_no_sensitive_keys_present(self): - """When sensitive_keys is absent or empty from metadata do nothing.""" - md = {'my': 'data'} - self.assertEqual( - md, redact_sensitive_keys(md, redact_value='redacted')) - md['sensitive_keys'] = [] - self.assertEqual( - md, redact_sensitive_keys(md, redact_value='redacted')) - - def test_redact_sensitive_data_redacts_exact_match_name(self): - """Only exact matched sensitive_keys are redacted from metadata.""" - md = {'sensitive_keys': ['md/secure'], - 'md': {'secure': 's3kr1t', 'insecure': 'publik'}} - secure_md = copy.deepcopy(md) - secure_md['md']['secure'] = 'redacted' - self.assertEqual( - secure_md, - redact_sensitive_keys(md, redact_value='redacted')) - - def test_redact_sensitive_data_does_redacts_with_default_string(self): - """When redact_value is absent, REDACT_SENSITIVE_VALUE is used.""" - md = {'sensitive_keys': ['md/secure'], - 'md': {'secure': 's3kr1t', 'insecure': 'publik'}} - secure_md = copy.deepcopy(md) - secure_md['md']['secure'] = 'redacted for non-root user' - self.assertEqual( - secure_md, - redact_sensitive_keys(md)) - - -class TestCanonicalCloudID(CiTestCase): - - def test_cloud_id_returns_platform_on_unknowns(self): - """When region and cloud_name are unknown, return platform.""" - self.assertEqual( - 'platform', - canonical_cloud_id(cloud_name=METADATA_UNKNOWN, - region=METADATA_UNKNOWN, - platform='platform')) - - def test_cloud_id_returns_platform_on_none(self): - """When region and cloud_name are unknown, return platform.""" - self.assertEqual( - 'platform', - canonical_cloud_id(cloud_name=None, - region=None, - platform='platform')) - - def test_cloud_id_returns_cloud_name_on_unknown_region(self): - """When region is unknown, return cloud_name.""" - for region in (None, METADATA_UNKNOWN): - self.assertEqual( - 'cloudname', - canonical_cloud_id(cloud_name='cloudname', - region=region, - platform='platform')) - - def test_cloud_id_returns_platform_on_unknown_cloud_name(self): - """When region is set but cloud_name is unknown return cloud_name.""" - self.assertEqual( - 'platform', - canonical_cloud_id(cloud_name=METADATA_UNKNOWN, - region='region', - platform='platform')) - - def test_cloud_id_aws_based_on_region_and_cloud_name(self): - """When cloud_name is aws, return proper cloud-id based on region.""" - self.assertEqual( - 'aws-china', - canonical_cloud_id(cloud_name='aws', - region='cn-north-1', - platform='platform')) - self.assertEqual( - 'aws', - canonical_cloud_id(cloud_name='aws', - region='us-east-1', - platform='platform')) - self.assertEqual( - 'aws-gov', - canonical_cloud_id(cloud_name='aws', - region='us-gov-1', - platform='platform')) - self.assertEqual( # Overrideen non-aws cloud_name is returned - '!aws', - canonical_cloud_id(cloud_name='!aws', - region='us-gov-1', - platform='platform')) - - def test_cloud_id_azure_based_on_region_and_cloud_name(self): - """Report cloud-id when cloud_name is azure and region is in china.""" - self.assertEqual( - 'azure-china', - canonical_cloud_id(cloud_name='azure', - region='chinaeast', - platform='platform')) - self.assertEqual( - 'azure', - canonical_cloud_id(cloud_name='azure', - region='!chinaeast', - platform='platform')) - -# vi: ts=4 expandtab |