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#!/usr/bin/env python
"""Test Model Tree Config functionality.
Tests that default values can be overwritten and then unset.
Ensures that a model config overwrites a controller config and a controller
config overwrites a default.
Also ensures that when reverting/unsetting the controller config it reverts to
the most up to date model config setting.
"""
from __future__ import print_function
import argparse
import logging
import sys
from deploy_stack import (
BootstrapManager,
)
from utility import (
JujuAssertionError,
add_basic_testing_arguments,
configure_logging,
)
__metaclass__ = type
log = logging.getLogger("assess_model_config_tree")
def assess_model_config_tree(bs_manager, upload_tools):
"""Assess model config tree functionality."""
# Need to update the cloud config details here so we can set something that
# we can use after boostrap.
config = {'ftp-proxy': 'abc.com'}
set_clouds_yaml_config(bs_manager.client, config)
with bs_manager.booted_context(upload_tools):
client = bs_manager.client
assert_config_value(client, 'ftp-proxy', 'controller', 'abc.com')
client.set_env_option('ftp-proxy', 'abc-model.com')
assert_config_value(client, 'ftp-proxy', 'model', 'abc-model.com')
client.unset_env_option('ftp-proxy')
assert_config_value(client, 'ftp-proxy', 'controller', 'abc.com')
assert_config_value(client, 'development', 'default', False)
client.set_env_option('development', True)
assert_config_value(client, 'development', 'model', True)
client.unset_env_option('development')
assert_config_value(client, 'development', 'default', False)
def assert_config_value(client, attribute, source, value):
config_values = client.get_model_config()
try:
source_value = config_values[attribute]['source']
attr_value = config_values[attribute]['value']
if attr_value != value:
raise JujuAssertionError(
'Unexpected value for {}.\nGot {} instead of {}'.format(
attribute, attr_value, value))
if source_value != source:
raise JujuAssertionError(
'Unexpected source for {}.\nGot {} instead of {}'.format(
attribute, source_value, source))
except KeyError:
raise ValueError('Attribute {} not found in config values.'.format(
attribute))
def set_clouds_yaml_config(client, config_details):
"""Setup cloud details so it gets written to clouds.yaml at bootstrap."""
cloud_name = client.env.get_cloud()
extra_conf = {
'type': client.env.provider,
'regions': {client.env.get_region(): {}},
'config': config_details}
client.env.clouds['clouds'][cloud_name] = extra_conf
def parse_args(argv):
"""Parse all arguments."""
parser = argparse.ArgumentParser(description="Test Model Tree Config")
add_basic_testing_arguments(parser)
return parser.parse_args(argv)
def main(argv=None):
args = parse_args(argv)
configure_logging(args.verbose)
bs_manager = BootstrapManager.from_args(args)
assess_model_config_tree(bs_manager, args.upload_tools)
return 0
if __name__ == '__main__':
sys.exit(main())
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