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community.general/test/units/module_utils/gcp/test_auth.py
2017-09-12 00:11:13 -07:00

230 lines
9.5 KiB
Python

# -*- coding: utf-8 -*-
# (c) 2016, Tom Melendez (@supertom) <tom@supertom.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import pytest
from ansible.compat.tests import mock, unittest
from ansible.module_utils.gcp import (_get_gcp_ansible_credentials, _get_gcp_credentials, _get_gcp_environ_var,
_get_gcp_libcloud_credentials, _get_gcp_environment_credentials,
_validate_credentials_file)
# Fake data/function used for testing
fake_env_data = {'GCE_EMAIL': 'gce-email'}
def fake_get_gcp_environ_var(var_name, default_value):
if var_name not in fake_env_data:
return default_value
else:
return fake_env_data[var_name]
# Fake AnsibleModule for use in tests
class FakeModule(object):
class Params():
data = {}
def get(self, key, alt=None):
if key in self.data:
return self.data[key]
else:
return alt
def __init__(self, data=None):
data = {} if data is None else data
self.params = FakeModule.Params()
self.params.data = data
def fail_json(self, **kwargs):
raise ValueError("fail_json")
def deprecate(self, **kwargs):
return None
class GCPAuthTestCase(unittest.TestCase):
"""Tests to verify different Auth mechanisms."""
def setup_method(self, method):
global fake_env_data
fake_env_data = {'GCE_EMAIL': 'gce-email'}
def test_get_gcp_ansible_credentials(self):
input_data = {'service_account_email': 'mysa',
'credentials_file': 'path-to-file.json',
'project_id': 'my-cool-project'}
module = FakeModule(input_data)
actual = _get_gcp_ansible_credentials(module)
expected = tuple(input_data.values())
self.assertEqual(sorted(expected), sorted(actual))
def test_get_gcp_environ_var(self):
# Chose not to mock this so we could really verify that it
# works as expected.
existing_var_name = 'gcp_ansible_auth_test_54321'
non_existing_var_name = 'doesnt_exist_gcp_ansible_auth_test_12345'
os.environ[existing_var_name] = 'foobar'
self.assertEqual('foobar', _get_gcp_environ_var(
existing_var_name, None))
del os.environ[existing_var_name]
self.assertEqual('default_value', _get_gcp_environ_var(
non_existing_var_name, 'default_value'))
def test_get_gcp_libcloud_credentials_no_import(self):
"""No secrets imported. Whatever is sent in should come out."""
module = FakeModule()
actual = _get_gcp_libcloud_credentials(module,
service_account_email=None,
credentials_file=None,
project_id=None)
expected = (None, None, None)
self.assertEqual(expected, actual)
# no libcloud, with values
actual = _get_gcp_libcloud_credentials(module,
service_account_email='sa-email',
credentials_file='creds-file',
project_id='proj-id')
expected = ('sa-email', 'creds-file', 'proj-id')
self.assertEqual(expected, actual)
def test_get_gcp_libcloud_credentials_import(self):
"""secrets is imported and those values should be used."""
# Note: Opted for a real class here rather than MagicMock as
# __getitem__ comes for free.
class FakeSecrets:
def __init__(self):
# 2 element list, service account email and creds file
self.GCE_PARAMS = ['secrets-sa', 'secrets-file.json']
# dictionary with project_id, optionally auth_type
self.GCE_KEYWORD_PARAMS = {}
self.__file__ = 'THIS_IS_A_FAKEFILE_FOR_TESTING'
# patch in module
fake_secrets = FakeSecrets()
patcher = mock.patch.dict(sys.modules, {'secrets': fake_secrets})
patcher.start()
# obtain sa and creds from secrets
module = FakeModule()
actual = _get_gcp_libcloud_credentials(module,
service_account_email=None,
credentials_file=None,
project_id='proj-id')
expected = ('secrets-sa', 'secrets-file.json', 'proj-id')
self.assertEqual(expected, actual)
# fetch project id. Current logic requires sa-email or creds to be
# set.
fake_secrets.GCE_KEYWORD_PARAMS['project'] = 'new-proj-id'
fake_secrets.GCE_PARAMS[1] = 'my-creds.json'
module = FakeModule()
actual = _get_gcp_libcloud_credentials(module,
service_account_email='my-sa',
credentials_file=None,
project_id=None)
expected = ('my-sa', 'my-creds.json', 'new-proj-id')
self.assertEqual(expected, actual)
# stop patching
patcher.stop()
def test_validate_credentials_file(self):
# TODO(supertom): Only dealing with p12 here, check the other states
# of this function
module = mock.MagicMock()
with mock.patch("ansible.module_utils.gcp.open",
mock.mock_open(read_data='foobar'), create=True) as m:
# pem condition, warning is suppressed with the return_value
credentials_file = '/foopath/pem.pem'
is_valid = _validate_credentials_file(module,
credentials_file=credentials_file,
require_valid_json=False,
check_libcloud=False)
self.assertTrue(is_valid)
@mock.patch('ansible.module_utils.gcp._get_gcp_environ_var',
side_effect=fake_get_gcp_environ_var)
def test_get_gcp_environment_credentials(self, mockobj):
global fake_env_data
actual = _get_gcp_environment_credentials(None, None, None)
expected = tuple(['gce-email', None, None])
self.assertEqual(expected, actual)
fake_env_data = {'GCE_PEM_FILE_PATH': '/path/to/pem.pem'}
expected = tuple([None, '/path/to/pem.pem', None])
actual = _get_gcp_environment_credentials(None, None, None)
self.assertEqual(expected, actual)
# pem and creds are set, expect creds
fake_env_data = {'GCE_PEM_FILE_PATH': '/path/to/pem.pem',
'GCE_CREDENTIALS_FILE_PATH': '/path/to/creds.json'}
expected = tuple([None, '/path/to/creds.json', None])
actual = _get_gcp_environment_credentials(None, None, None)
self.assertEqual(expected, actual)
# expect GOOGLE_APPLICATION_CREDENTIALS over PEM
fake_env_data = {'GCE_PEM_FILE_PATH': '/path/to/pem.pem',
'GOOGLE_APPLICATION_CREDENTIALS': '/path/to/appcreds.json'}
expected = tuple([None, '/path/to/appcreds.json', None])
actual = _get_gcp_environment_credentials(None, None, None)
self.assertEqual(expected, actual)
# project tests
fake_env_data = {'GCE_PROJECT': 'my-project'}
expected = tuple([None, None, 'my-project'])
actual = _get_gcp_environment_credentials(None, None, None)
self.assertEqual(expected, actual)
fake_env_data = {'GOOGLE_CLOUD_PROJECT': 'my-cloud-project'}
expected = tuple([None, None, 'my-cloud-project'])
actual = _get_gcp_environment_credentials(None, None, None)
self.assertEqual(expected, actual)
# data passed in, picking up project id only
fake_env_data = {'GOOGLE_CLOUD_PROJECT': 'my-project'}
expected = tuple(['my-sa-email', '/path/to/creds.json', 'my-project'])
actual = _get_gcp_environment_credentials(
'my-sa-email', '/path/to/creds.json', None)
self.assertEqual(expected, actual)
@mock.patch('ansible.module_utils.gcp._get_gcp_environ_var',
side_effect=fake_get_gcp_environ_var)
def test_get_gcp_credentials(self, mockobj):
global fake_env_data
fake_env_data = {}
module = FakeModule()
module.params.data = {}
# Nothing is set, calls fail_json
with pytest.raises(ValueError):
_get_gcp_credentials(module)
# project_id (only) is set from Ansible params.
module.params.data['project_id'] = 'my-project'
actual = _get_gcp_credentials(
module, require_valid_json=True, check_libcloud=False)
expected = {'service_account_email': '',
'project_id': 'my-project',
'credentials_file': ''}
self.assertEqual(expected, actual)