diff options
Diffstat (limited to 'tests/unittests/config/test_cc_runcmd.py')
-rw-r--r-- | tests/unittests/config/test_cc_runcmd.py | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/tests/unittests/config/test_cc_runcmd.py b/tests/unittests/config/test_cc_runcmd.py new file mode 100644 index 00000000..01de6af0 --- /dev/null +++ b/tests/unittests/config/test_cc_runcmd.py @@ -0,0 +1,129 @@ +# This file is part of cloud-init. See LICENSE file for license information. +import logging +import os +import stat +from unittest.mock import patch + +from cloudinit.config.cc_runcmd import handle, schema +from cloudinit import (helpers, subp, util) +from tests.unittests.helpers import ( + CiTestCase, FilesystemMockingTestCase, SchemaTestCaseMixin, + skipUnlessJsonSchema) + +from tests.unittests.util import get_cloud + +LOG = logging.getLogger(__name__) + + +class TestRuncmd(FilesystemMockingTestCase): + + with_logs = True + + def setUp(self): + super(TestRuncmd, self).setUp() + self.subp = subp.subp + self.new_root = self.tmp_dir() + self.patchUtils(self.new_root) + self.paths = helpers.Paths({'scripts': self.new_root}) + + def test_handler_skip_if_no_runcmd(self): + """When the provided config doesn't contain runcmd, skip it.""" + cfg = {} + mycloud = get_cloud(paths=self.paths) + handle('notimportant', cfg, mycloud, LOG, None) + self.assertIn( + "Skipping module named notimportant, no 'runcmd' key", + self.logs.getvalue()) + + @patch('cloudinit.util.shellify') + def test_runcmd_shellify_fails(self, cls): + """When shellify fails throw exception""" + cls.side_effect = TypeError("patched shellify") + valid_config = {'runcmd': ['echo 42']} + cc = get_cloud(paths=self.paths) + with self.assertRaises(TypeError) as cm: + with self.allow_subp(['/bin/sh']): + handle('cc_runcmd', valid_config, cc, LOG, None) + self.assertIn("Failed to shellify", str(cm.exception)) + + def test_handler_invalid_command_set(self): + """Commands which can't be converted to shell will raise errors.""" + invalid_config = {'runcmd': 1} + cc = get_cloud(paths=self.paths) + with self.assertRaises(TypeError) as cm: + handle('cc_runcmd', invalid_config, cc, LOG, []) + self.assertIn( + 'Failed to shellify 1 into file' + ' /var/lib/cloud/instances/iid-datasource-none/scripts/runcmd', + str(cm.exception)) + + @skipUnlessJsonSchema() + def test_handler_schema_validation_warns_non_array_type(self): + """Schema validation warns of non-array type for runcmd key. + + Schema validation is not strict, so runcmd attempts to shellify the + invalid content. + """ + invalid_config = {'runcmd': 1} + cc = get_cloud(paths=self.paths) + with self.assertRaises(TypeError) as cm: + handle('cc_runcmd', invalid_config, cc, LOG, []) + self.assertIn( + 'Invalid config:\nruncmd: 1 is not of type \'array\'', + self.logs.getvalue()) + self.assertIn('Failed to shellify', str(cm.exception)) + + @skipUnlessJsonSchema() + def test_handler_schema_validation_warns_non_array_item_type(self): + """Schema validation warns of non-array or string runcmd items. + + Schema validation is not strict, so runcmd attempts to shellify the + invalid content. + """ + invalid_config = { + 'runcmd': ['ls /', 20, ['wget', 'http://stuff/blah'], {'a': 'n'}]} + cc = get_cloud(paths=self.paths) + with self.assertRaises(TypeError) as cm: + handle('cc_runcmd', invalid_config, cc, LOG, []) + expected_warnings = [ + 'runcmd.1: 20 is not valid under any of the given schemas', + 'runcmd.3: {\'a\': \'n\'} is not valid under any of the given' + ' schema' + ] + logs = self.logs.getvalue() + for warning in expected_warnings: + self.assertIn(warning, logs) + self.assertIn('Failed to shellify', str(cm.exception)) + + def test_handler_write_valid_runcmd_schema_to_file(self): + """Valid runcmd schema is written to a runcmd shell script.""" + valid_config = {'runcmd': [['ls', '/']]} + cc = get_cloud(paths=self.paths) + handle('cc_runcmd', valid_config, cc, LOG, []) + runcmd_file = os.path.join( + self.new_root, + 'var/lib/cloud/instances/iid-datasource-none/scripts/runcmd') + self.assertEqual("#!/bin/sh\n'ls' '/'\n", util.load_file(runcmd_file)) + file_stat = os.stat(runcmd_file) + self.assertEqual(0o700, stat.S_IMODE(file_stat.st_mode)) + + +@skipUnlessJsonSchema() +class TestSchema(CiTestCase, SchemaTestCaseMixin): + """Directly test schema rather than through handle.""" + + schema = schema + + def test_duplicates_are_fine_array_array(self): + """Duplicated commands array/array entries are allowed.""" + self.assertSchemaValid( + [["echo", "bye"], ["echo", "bye"]], + "command entries can be duplicate.") + + def test_duplicates_are_fine_array_string(self): + """Duplicated commands array/string entries are allowed.""" + self.assertSchemaValid( + ["echo bye", "echo bye"], + "command entries can be duplicate.") + +# vi: ts=4 expandtab |