def test_collect_config(self):
conflict_configs = [('ec2', {
'local-ipv4': '192.0.2.99',
'instance-id': 'feeddead'
}), ('cfn', {
'foo': {
'bar': 'foo-bar'
},
'local-ipv4': '198.51.100.50'
})]
config_files = []
tdir = self.useFixture(fixtures.TempDir())
for name, config in conflict_configs:
path = os.path.join(tdir.path, '%s.json' % name)
with open(path, 'w') as out:
out.write(json.dumps(config))
config_files.append(path)
config = collect_config.collect_config(config_files)
self.assertEqual(
{
'local-ipv4': '198.51.100.50',
'instance-id': 'feeddead',
'foo': {
'bar': 'foo-bar'
}
}, config)
def install_config(
config_path, template_root, output_path, validate, subhash=None,
fallback_metadata=None):
config = strip_hash(
collect_config.collect_config(config_path, fallback_metadata), subhash)
tree = build_tree(template_paths(template_root), config)
if not validate:
for path, contents in tree.items():
write_file(os.path.join(
output_path, strip_prefix('/', path)), contents)
def install_config(
config_path, template_root, output_path, validate, subhash=None,
fallback_metadata=None):
config = strip_hash(
collect_config.collect_config(config_path, fallback_metadata), subhash)
tree = build_tree(template_paths(template_root), config)
if not validate:
for path, obj in tree.items():
write_file(os.path.join(
output_path, strip_prefix('/', path)), obj)
def test_collect_config_fallback(self):
tdir = self.useFixture(fixtures.TempDir())
with open(os.path.join(tdir.path, 'does_exist.json'), 'w') as t:
t.write(json.dumps({'a': 1}))
noexist_path = os.path.join(tdir.path, 'does_not_exist.json')
config = collect_config.collect_config([], [noexist_path, t.name])
self.assertEqual({'a': 1}, config)
with open(os.path.join(tdir.path, 'does_exist_new.json'), 'w') as t2:
t2.write(json.dumps({'a': 2}))
config = collect_config.collect_config([t2.name], [t.name])
self.assertEqual({'a': 2}, config)
config = collect_config.collect_config([], [t.name, noexist_path])
self.assertEqual({'a': 1}, config)
self.assertEqual({}, collect_config.collect_config([], [noexist_path]))
self.assertEqual({}, collect_config.collect_config([]))
def test_collect_config_fallback(self):
tdir = self.useFixture(fixtures.TempDir())
with open(os.path.join(tdir.path, 'does_exist.json'), 'w') as t:
t.write(json.dumps({'a': 1}))
noexist_path = os.path.join(tdir.path, 'does_not_exist.json')
config = collect_config.collect_config([], [noexist_path, t.name])
self.assertEqual({'a': 1}, config)
with open(os.path.join(tdir.path, 'does_exist_new.json'), 'w') as t2:
t2.write(json.dumps({'a': 2}))
config = collect_config.collect_config([t2.name], [t.name])
self.assertEqual({'a': 2}, config)
config = collect_config.collect_config([], [t.name, noexist_path])
self.assertEqual({'a': 1}, config)
self.assertEqual({},
collect_config.collect_config([], [noexist_path]))
self.assertEqual({},
collect_config.collect_config([]))
def print_key(
config_path, key, type_name, default=None, fallback_metadata=None):
config = collect_config.collect_config(config_path, fallback_metadata)
keys = key.split('.')
for key in keys:
try:
config = config[key]
except (KeyError, TypeError):
if default is not None:
print(str(default))
return
else:
raise exc.ConfigException(
'key %s does not exist in %s' % (key, config_path))
value_types.ensure_type(str(config), type_name)
print(str(config))
def print_key(
config_path, key, type_name, default=None, fallback_metadata=None):
config = collect_config.collect_config(config_path, fallback_metadata)
config = _extract_key(config_path, key, fallback_metadata)
if config is None:
if default is not None:
print(str(default))
return
else:
raise exc.ConfigException(
'key %s does not exist in %s' % (key, config_path))
value_types.ensure_type(str(config), type_name)
if isinstance(config, (dict, list, bool)):
print(json.dumps(config))
else:
print(str(config))
def _extract_key(config_path, key, fallback_metadata=None):
config = collect_config.collect_config(config_path, fallback_metadata)
keys = key.split('.')
for key in keys:
try:
config = config[key]
if config is None:
raise TypeError()
except (KeyError, TypeError):
try:
if type(config) == list:
config = config[int(key)]
continue
except (IndexError, ValueError):
pass
return None
return config
def test_collect_config(self):
conflict_configs = [('ec2', {'local-ipv4': '192.0.2.99',
'instance-id': 'feeddead'}),
('cfn', {'foo': {'bar': 'foo-bar'},
'local-ipv4': '198.51.100.50'})]
config_files = []
tdir = self.useFixture(fixtures.TempDir())
for name, config in conflict_configs:
path = os.path.join(tdir.path, '%s.json' % name)
with open(path, 'w') as out:
out.write(json.dumps(config))
config_files.append(path)
config = collect_config.collect_config(config_files)
self.assertEqual(
{'local-ipv4': '198.51.100.50',
'instance-id': 'feeddead',
'foo': {'bar': 'foo-bar'}}, config)
