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#!/usr/bin/env python
from datetime import datetime, timedelta
from tests.unit import unittest
import mock
import os
from boto import provider
from boto.compat import expanduser
INSTANCE_CONFIG = {
'allowall': {
u'AccessKeyId': u'iam_access_key',
u'Code': u'Success',
u'Expiration': u'2012-09-01T03:57:34Z',
u'LastUpdated': u'2012-08-31T21:43:40Z',
u'SecretAccessKey': u'iam_secret_key',
u'Token': u'iam_token',
u'Type': u'AWS-HMAC'
}
}
class TestProvider(unittest.TestCase):
def setUp(self):
self.environ = {}
self.config = {}
self.shared_config = {}
self.metadata_patch = mock.patch('boto.utils.get_instance_metadata')
self.config_patch = mock.patch('boto.provider.config.get',
self.get_config)
self.has_config_patch = mock.patch('boto.provider.config.has_option',
self.has_config)
self.config_object_patch = mock.patch.object(
provider.Config, 'get', self.get_shared_config)
self.has_config_object_patch = mock.patch.object(
provider.Config, 'has_option', self.has_shared_config)
self.environ_patch = mock.patch('os.environ', self.environ)
self.get_instance_metadata = self.metadata_patch.start()
self.get_instance_metadata.return_value = None
self.config_patch.start()
self.has_config_patch.start()
self.config_object_patch.start()
self.has_config_object_patch.start()
self.environ_patch.start()
def tearDown(self):
self.metadata_patch.stop()
self.config_patch.stop()
self.has_config_patch.stop()
self.config_object_patch.stop()
self.has_config_object_patch.stop()
self.environ_patch.stop()
def has_config(self, section_name, key):
try:
self.config[section_name][key]
return True
except KeyError:
return False
def get_config(self, section_name, key):
try:
return self.config[section_name][key]
except KeyError:
return None
def has_shared_config(self, section_name, key):
try:
self.shared_config[section_name][key]
return True
except KeyError:
return False
def get_shared_config(self, section_name, key):
try:
return self.shared_config[section_name][key]
except KeyError:
return None
def test_passed_in_values_are_used(self):
p = provider.Provider('aws', 'access_key', 'secret_key', 'security_token')
self.assertEqual(p.access_key, 'access_key')
self.assertEqual(p.secret_key, 'secret_key')
self.assertEqual(p.security_token, 'security_token')
def test_environment_variables_are_used(self):
self.environ['AWS_ACCESS_KEY_ID'] = 'env_access_key'
self.environ['AWS_SECRET_ACCESS_KEY'] = 'env_secret_key'
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'env_access_key')
self.assertEqual(p.secret_key, 'env_secret_key')
self.assertIsNone(p.security_token)
def test_environment_variable_aws_security_token(self):
self.environ['AWS_ACCESS_KEY_ID'] = 'env_access_key'
self.environ['AWS_SECRET_ACCESS_KEY'] = 'env_secret_key'
self.environ['AWS_SECURITY_TOKEN'] = 'env_security_token'
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'env_access_key')
self.assertEqual(p.secret_key, 'env_secret_key')
self.assertEqual(p.security_token, 'env_security_token')
def test_config_profile_values_are_used(self):
self.config = {
'profile dev': {
'aws_access_key_id': 'dev_access_key',
'aws_secret_access_key': 'dev_secret_key',
}, 'profile prod': {
'aws_access_key_id': 'prod_access_key',
'aws_secret_access_key': 'prod_secret_key',
}, 'Credentials': {
'aws_access_key_id': 'default_access_key',
'aws_secret_access_key': 'default_secret_key'
}
}
p = provider.Provider('aws', profile_name='prod')
self.assertEqual(p.access_key, 'prod_access_key')
self.assertEqual(p.secret_key, 'prod_secret_key')
q = provider.Provider('aws', profile_name='dev')
self.assertEqual(q.access_key, 'dev_access_key')
self.assertEqual(q.secret_key, 'dev_secret_key')
def test_config_missing_profile(self):
# None of these default profiles should be loaded!
self.shared_config = {
'default': {
'aws_access_key_id': 'shared_access_key',
'aws_secret_access_key': 'shared_secret_key',
}
}
self.config = {
'Credentials': {
'aws_access_key_id': 'default_access_key',
'aws_secret_access_key': 'default_secret_key'
}
}
with self.assertRaises(provider.ProfileNotFoundError):
provider.Provider('aws', profile_name='doesntexist')
def test_config_values_are_used(self):
self.config = {
'Credentials': {
'aws_access_key_id': 'cfg_access_key',
'aws_secret_access_key': 'cfg_secret_key',
}
}
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'cfg_access_key')
self.assertEqual(p.secret_key, 'cfg_secret_key')
self.assertIsNone(p.security_token)
def test_config_value_security_token_is_used(self):
self.config = {
'Credentials': {
'aws_access_key_id': 'cfg_access_key',
'aws_secret_access_key': 'cfg_secret_key',
'aws_security_token': 'cfg_security_token',
}
}
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'cfg_access_key')
self.assertEqual(p.secret_key, 'cfg_secret_key')
self.assertEqual(p.security_token, 'cfg_security_token')
def test_keyring_is_used(self):
self.config = {
'Credentials': {
'aws_access_key_id': 'cfg_access_key',
'keyring': 'test',
}
}
import sys
try:
import keyring
imported = True
except ImportError:
sys.modules['keyring'] = keyring = type(mock)('keyring', '')
imported = False
try:
with mock.patch('keyring.get_password', create=True):
keyring.get_password.side_effect = (
lambda kr, login: kr+login+'pw')
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'cfg_access_key')
self.assertEqual(p.secret_key, 'testcfg_access_keypw')
self.assertIsNone(p.security_token)
finally:
if not imported:
del sys.modules['keyring']
def test_passed_in_values_beat_env_vars(self):
self.environ['AWS_ACCESS_KEY_ID'] = 'env_access_key'
self.environ['AWS_SECRET_ACCESS_KEY'] = 'env_secret_key'
self.environ['AWS_SECURITY_TOKEN'] = 'env_security_token'
p = provider.Provider('aws', 'access_key', 'secret_key')
self.assertEqual(p.access_key, 'access_key')
self.assertEqual(p.secret_key, 'secret_key')
self.assertEqual(p.security_token, None)
def test_env_vars_beat_shared_creds_values(self):
self.environ['AWS_ACCESS_KEY_ID'] = 'env_access_key'
self.environ['AWS_SECRET_ACCESS_KEY'] = 'env_secret_key'
self.shared_config = {
'default': {
'aws_access_key_id': 'shared_access_key',
'aws_secret_access_key': 'shared_secret_key',
}
}
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'env_access_key')
self.assertEqual(p.secret_key, 'env_secret_key')
self.assertIsNone(p.security_token)
def test_shared_creds_beat_config_values(self):
self.shared_config = {
'default': {
'aws_access_key_id': 'shared_access_key',
'aws_secret_access_key': 'shared_secret_key',
}
}
self.config = {
'Credentials': {
'aws_access_key_id': 'cfg_access_key',
'aws_secret_access_key': 'cfg_secret_key',
}
}
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'shared_access_key')
self.assertEqual(p.secret_key, 'shared_secret_key')
self.assertIsNone(p.security_token)
def test_shared_creds_profile_beats_defaults(self):
self.shared_config = {
'default': {
'aws_access_key_id': 'shared_access_key',
'aws_secret_access_key': 'shared_secret_key',
},
'foo': {
'aws_access_key_id': 'foo_access_key',
'aws_secret_access_key': 'foo_secret_key',
}
}
p = provider.Provider('aws', profile_name='foo')
self.assertEqual(p.access_key, 'foo_access_key')
self.assertEqual(p.secret_key, 'foo_secret_key')
self.assertIsNone(p.security_token)
def test_env_profile_loads_profile(self):
self.environ['AWS_PROFILE'] = 'foo'
self.shared_config = {
'default': {
'aws_access_key_id': 'shared_access_key',
'aws_secret_access_key': 'shared_secret_key',
},
'foo': {
'aws_access_key_id': 'shared_access_key_foo',
'aws_secret_access_key': 'shared_secret_key_foo',
}
}
self.config = {
'profile foo': {
'aws_access_key_id': 'cfg_access_key_foo',
'aws_secret_access_key': 'cfg_secret_key_foo',
},
'Credentials': {
'aws_access_key_id': 'cfg_access_key',
'aws_secret_access_key': 'cfg_secret_key',
}
}
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'shared_access_key_foo')
self.assertEqual(p.secret_key, 'shared_secret_key_foo')
self.assertIsNone(p.security_token)
self.shared_config = {}
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'cfg_access_key_foo')
self.assertEqual(p.secret_key, 'cfg_secret_key_foo')
self.assertIsNone(p.security_token)
def test_env_vars_security_token_beats_config_values(self):
self.environ['AWS_ACCESS_KEY_ID'] = 'env_access_key'
self.environ['AWS_SECRET_ACCESS_KEY'] = 'env_secret_key'
self.environ['AWS_SECURITY_TOKEN'] = 'env_security_token'
self.shared_config = {
'default': {
'aws_access_key_id': 'shared_access_key',
'aws_secret_access_key': 'shared_secret_key',
'aws_security_token': 'shared_security_token',
}
}
self.config = {
'Credentials': {
'aws_access_key_id': 'cfg_access_key',
'aws_secret_access_key': 'cfg_secret_key',
'aws_security_token': 'cfg_security_token',
}
}
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'env_access_key')
self.assertEqual(p.secret_key, 'env_secret_key')
self.assertEqual(p.security_token, 'env_security_token')
self.environ.clear()
p = provider.Provider('aws')
self.assertEqual(p.security_token, 'shared_security_token')
self.shared_config.clear()
p = provider.Provider('aws')
self.assertEqual(p.security_token, 'cfg_security_token')
def test_metadata_server_credentials(self):
self.get_instance_metadata.return_value = INSTANCE_CONFIG
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'iam_access_key')
self.assertEqual(p.secret_key, 'iam_secret_key')
self.assertEqual(p.security_token, 'iam_token')
self.assertEqual(
self.get_instance_metadata.call_args[1]['data'],
'meta-data/iam/security-credentials/')
def test_refresh_credentials(self):
now = datetime.utcnow()
first_expiration = (now + timedelta(seconds=10)).strftime(
"%Y-%m-%dT%H:%M:%SZ")
credentials = {
u'AccessKeyId': u'first_access_key',
u'Code': u'Success',
u'Expiration': first_expiration,
u'LastUpdated': u'2012-08-31T21:43:40Z',
u'SecretAccessKey': u'first_secret_key',
u'Token': u'first_token',
u'Type': u'AWS-HMAC'
}
instance_config = {'allowall': credentials}
self.get_instance_metadata.return_value = instance_config
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'first_access_key')
self.assertEqual(p.secret_key, 'first_secret_key')
self.assertEqual(p.security_token, 'first_token')
self.assertIsNotNone(p._credential_expiry_time)
# Now set the expiration to something in the past.
expired = now - timedelta(seconds=20)
p._credential_expiry_time = expired
credentials['AccessKeyId'] = 'second_access_key'
credentials['SecretAccessKey'] = 'second_secret_key'
credentials['Token'] = 'second_token'
self.get_instance_metadata.return_value = instance_config
# Now upon attribute access, the credentials should be updated.
self.assertEqual(p.access_key, 'second_access_key')
self.assertEqual(p.secret_key, 'second_secret_key')
self.assertEqual(p.security_token, 'second_token')
@mock.patch('boto.provider.config.getint')
@mock.patch('boto.provider.config.getfloat')
def test_metadata_config_params(self, config_float, config_int):
config_int.return_value = 10
config_float.return_value = 4.0
self.get_instance_metadata.return_value = INSTANCE_CONFIG
p = provider.Provider('aws')
self.assertEqual(p.access_key, 'iam_access_key')
self.assertEqual(p.secret_key, 'iam_secret_key')
self.assertEqual(p.security_token, 'iam_token')
self.get_instance_metadata.assert_called_with(
timeout=4.0, num_retries=10,
data='meta-data/iam/security-credentials/')
def test_provider_google(self):
self.environ['GS_ACCESS_KEY_ID'] = 'env_access_key'
self.environ['GS_SECRET_ACCESS_KEY'] = 'env_secret_key'
self.shared_config = {
'default': {
'gs_access_key_id': 'shared_access_key',
'gs_secret_access_key': 'shared_secret_key',
}
}
self.config = {
'Credentials': {
'gs_access_key_id': 'cfg_access_key',
'gs_secret_access_key': 'cfg_secret_key',
}
}
p = provider.Provider('google')
self.assertEqual(p.access_key, 'env_access_key')
self.assertEqual(p.secret_key, 'env_secret_key')
self.environ.clear()
p = provider.Provider('google')
self.assertEqual(p.access_key, 'shared_access_key')
self.assertEqual(p.secret_key, 'shared_secret_key')
self.shared_config.clear()
p = provider.Provider('google')
self.assertEqual(p.access_key, 'cfg_access_key')
self.assertEqual(p.secret_key, 'cfg_secret_key')
@mock.patch('os.path.isfile', return_value=True)
@mock.patch.object(provider.Config, 'load_from_path')
def test_shared_config_loading(self, load_from_path, exists):
provider.Provider('aws')
path = os.path.join(expanduser('~'), '.aws', 'credentials')
exists.assert_called_once_with(path)
load_from_path.assert_called_once_with(path)
exists.reset_mock()
load_from_path.reset_mock()
provider.Provider('google')
path = os.path.join(expanduser('~'), '.google', 'credentials')
exists.assert_called_once_with(path)
load_from_path.assert_called_once_with(path)
if __name__ == '__main__':
unittest.main()
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