def test_modules_and_plugins_can_be_fetched(self, terraform_backend_input):
base_directory = terraform_backend_input['base_directory']
sub_directory = terraform_backend_input['sub_directory']
bucket_name = terraform_backend_input['bucket_name']
lock_table_name = terraform_backend_input['lock_table_name']
environment_name = terraform_backend_input['environment_name']
component_name = terraform_backend_input['component_name']
tfstate_filename = terraform_backend_input['tfstate_filename']
team_name = terraform_backend_input['team_name']
boto_session = MagicMock(spec=Session)
account_scheme = MagicMock(spec=AccountScheme)
account_scheme.classic_metadata_handling = True
state_file_key = (
f'{environment_name}/{component_name}/{tfstate_filename}')
with ExitStack() as stack:
stack.enter_context(
patch('cdflow_commands.state.NamedTemporaryFile'))
stack.enter_context(patch('cdflow_commands.state.atexit'))
check_call = stack.enter_context(
patch('cdflow_commands.state.check_call'))
LockTableFactory = stack.enter_context(
patch('cdflow_commands.state.LockTableFactory'))
LockTableFactory.return_value.get_table_name.return_value = \
lock_table_name
S3BucketFactory = stack.enter_context(
patch('cdflow_commands.state.S3BucketFactory'))
S3BucketFactory.return_value.get_bucket_name.return_value = \
bucket_name
state = terraform_state(
base_directory,
sub_directory,
boto_session,
environment_name,
component_name,
tfstate_filename,
account_scheme,
team_name,
)
state.init(get_terraform_modules=True)
check_call.assert_called_once_with(
[
'terraform',
'init',
'-get=true',
'-get-plugins=true',
f'-backend-config=bucket={bucket_name}',
f'-backend-config=region={boto_session.region_name}',
f'-backend-config=key={state_file_key}',
f'-backend-config=dynamodb_table={lock_table_name}',
ANY,
ANY,
ANY,
join(base_directory, sub_directory),
],
cwd=base_directory,
)
def test_backend_config_written_into_infra_code(self,
terraform_backend_input):
base_directory = terraform_backend_input['base_directory']
sub_directory = terraform_backend_input['sub_directory']
bucket_name = terraform_backend_input['bucket_name']
lock_table_name = terraform_backend_input['lock_table_name']
environment_name = terraform_backend_input['environment_name']
component_name = terraform_backend_input['component_name']
tfstate_filename = terraform_backend_input['tfstate_filename']
team_name = terraform_backend_input['team_name']
boto_session = MagicMock(spec=Session)
account_scheme = MagicMock(spec=AccountScheme)
account_scheme.classic_metadata_handling = True
with ExitStack() as stack:
stack.enter_context(patch('cdflow_commands.state.check_call'))
stack.enter_context(patch('cdflow_commands.state.atexit'))
NamedTemporaryFile = stack.enter_context(
patch('cdflow_commands.state.NamedTemporaryFile'))
mock_file = MagicMock(spec=BufferedRandom)
NamedTemporaryFile.return_value.__enter__.return_value = mock_file
LockTableFactory = stack.enter_context(
patch('cdflow_commands.state.LockTableFactory'))
LockTableFactory.return_value.get_table_name.return_value = \
lock_table_name
S3BucketFactory = stack.enter_context(
patch('cdflow_commands.state.S3BucketFactory'))
S3BucketFactory.return_value.get_bucket_name.return_value = \
bucket_name
state = terraform_state(
base_directory,
sub_directory,
boto_session,
environment_name,
component_name,
tfstate_filename,
account_scheme,
team_name,
)
state.init()
NamedTemporaryFile.assert_called_once_with(prefix='cdflow_backend_',
suffix='.tf',
dir=join(
base_directory,
sub_directory),
delete=False,
mode='w+')
mock_file.write.assert_called_once_with(
dedent('''
terraform {
backend "s3" {
}
}
''').strip())
def test_modules_and_plugins_can_be_fetched(self, terraform_backend_input):
base_directory = terraform_backend_input['base_directory']
sub_directory = terraform_backend_input['sub_directory']
bucket_name = terraform_backend_input['bucket_name']
lock_table_name = terraform_backend_input['lock_table_name']
environment_name = terraform_backend_input['environment_name']
component_name = terraform_backend_input['component_name']
tfstate_filename = terraform_backend_input['tfstate_filename']
team_name = terraform_backend_input['team_name']
boto_session = MagicMock(spec=Session)
account_scheme = MagicMock(spec=AccountScheme)
account_scheme.classic_metadata_handling = False
account_scheme.backend_s3_bucket = bucket_name
account_scheme.backend_s3_dynamodb_table = lock_table_name
with ExitStack() as stack:
stack.enter_context(
patch('cdflow_commands.state.NamedTemporaryFile'))
stack.enter_context(patch('cdflow_commands.state.atexit'))
check_call = stack.enter_context(
patch('cdflow_commands.state.check_call'))
check_output = stack.enter_context(
patch('cdflow_commands.state.check_output'))
check_output.return_value = '* default'.encode('utf-8')
state = terraform_state(
base_directory,
sub_directory,
boto_session,
environment_name,
component_name,
tfstate_filename,
account_scheme,
team_name,
)
state.init(get_terraform_modules=True)
check_call.assert_any_call(
[
'terraform',
'init',
'-get=true',
'-get-plugins=true',
f'-backend-config=bucket={bucket_name}',
f'-backend-config=region={boto_session.region_name}',
f'-backend-config=key={tfstate_filename}',
('-backend-config=workspace_key_prefix'
f'={team_name}/{component_name}'),
f'-backend-config=dynamodb_table={lock_table_name}',
ANY,
ANY,
ANY,
join(base_directory, sub_directory),
],
cwd=base_directory,
)
def test_config_file_is_removed_at_exit(self, test_fixtures):
terraform_backend_input = test_fixtures['terraform_backend_input']
base_directory = terraform_backend_input['base_directory']
sub_directory = terraform_backend_input['sub_directory']
bucket_name = test_fixtures['terraform_backend_input']['bucket_name']
boto_session = MagicMock(spec=Session)
account_scheme = MagicMock(spec=AccountScheme)
account_scheme.classic_metadata_handling = True
lock_table_name = (
test_fixtures['terraform_backend_input']['lock_table_name'])
environment_name = (
test_fixtures['terraform_backend_input']['environment_name'])
component_name = (
test_fixtures['terraform_backend_input']['component_name'])
tfstate_filename = (
test_fixtures['terraform_backend_input']['tfstate_filename'])
backend_config_file_name = (
f'cdflow_backend_{test_fixtures["temp_file_name"]}.tf')
with ExitStack() as stack:
stack.enter_context(patch('cdflow_commands.state.check_call'))
NamedTemporaryFile = stack.enter_context(
patch('cdflow_commands.state.NamedTemporaryFile'))
atexit = stack.enter_context(patch('cdflow_commands.state.atexit'))
NamedTemporaryFile.return_value.__enter__.return_value.name = \
backend_config_file_name
LockTableFactory = stack.enter_context(
patch('cdflow_commands.state.LockTableFactory'))
LockTableFactory.return_value.get_table_name.return_value = \
lock_table_name
S3BucketFactory = stack.enter_context(
patch('cdflow_commands.state.S3BucketFactory'))
S3BucketFactory.return_value.get_bucket_name.return_value = \
bucket_name
state = terraform_state(
base_directory,
sub_directory,
boto_session,
environment_name,
component_name,
tfstate_filename,
account_scheme,
'team-name',
)
state.init()
atexit.register.assert_called_once_with(remove_file,
backend_config_file_name)
def test_exiting_workspace_is_selected(self, terraform_backend_input):
base_directory = terraform_backend_input['base_directory']
sub_directory = terraform_backend_input['sub_directory']
bucket_name = terraform_backend_input['bucket_name']
lock_table_name = terraform_backend_input['lock_table_name']
environment_name = terraform_backend_input['environment_name']
component_name = terraform_backend_input['component_name']
tfstate_filename = terraform_backend_input['tfstate_filename']
team_name = terraform_backend_input['team_name']
boto_session = MagicMock(spec=Session)
account_scheme = MagicMock(spec=AccountScheme)
account_scheme.classic_metadata_handling = False
account_scheme.backend_s3_bucket = bucket_name
account_scheme.backend_s3_dynamodb_table = lock_table_name
with ExitStack() as stack:
stack.enter_context(
patch('cdflow_commands.state.NamedTemporaryFile'))
stack.enter_context(patch('cdflow_commands.state.atexit'))
check_call = stack.enter_context(
patch('cdflow_commands.state.check_call'))
check_output = stack.enter_context(
patch('cdflow_commands.state.check_output'))
check_output.return_value = (
f'* default\n {environment_name}\n\n'.encode('utf-8'))
state = terraform_state(
base_directory,
sub_directory,
boto_session,
environment_name,
component_name,
tfstate_filename,
account_scheme,
team_name,
)
state.init()
check_call.assert_any_call(
[
'terraform',
'workspace',
'select',
environment_name,
join(base_directory, sub_directory),
],
cwd=base_directory,
)