kolla-kubernetes/tools/build_example_yaml.py

69 lines
2.0 KiB
Python
Executable File

#!/usr/bin/env python
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import errno
import os
import sys
import yaml
def _isdir(path, entry):
return os.path.isdir(os.path.join(path, entry))
def merge_dict(a, b):
for key in b:
if key not in a:
a[key] = b[key]
else:
if isinstance(b[key], dict):
merge_dict(a[key], b[key])
else:
a[key] = b[key]
def main():
path = os.path.abspath(os.path.dirname(sys.argv[0]))
exampledir = os.path.join(path, "..", "examples")
try:
os.makedirs(exampledir)
except OSError as e:
if e.errno != errno.EEXIST:
raise
srcdir = os.path.join(path, "..", "helm")
microdir = os.path.join(srcdir, "microservice")
microservices = os.listdir(microdir)
values = {}
for package in [p for p in microservices if _isdir(microdir, p)]:
values_file = os.path.join(microdir, package, "values.yaml")
with open(values_file, "r") as f:
package_values = yaml.safe_load(f)
merge_dict(values, package_values)
# Remove some package specific values:
if 'type' in values:
del values['type']
if 'element_name' in values['global']:
del values['global']['element_name']
y = yaml.safe_dump(values, default_flow_style=False)
with open(os.path.join(exampledir, "cloud.yaml"), "w") as f:
f.write("\n".join(["#%s" % l for l in y.split("\n")]))
if __name__ == '__main__':
sys.exit(main())