kolla-ansible/kolla_ansible/fluentd_filters.py

45 lines
1.6 KiB
Python

# Copyright (c) 2020 StackHPC Ltd.
#
# 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 os.path
def customise_fluentd(default_paths, customised_paths):
"""Return a sorted list of templates for fluentd.
:param default_paths: Iterable of default template paths.
:param customised_paths: Iterable of customised template paths.
:returns: A sorted combined list of template paths.
"""
def _basename_no_ext(path):
"""Return the basename of a path, stripping off any extension."""
return os.path.splitext(os.path.basename(path))[0]
customised_file_names = {os.path.basename(f) for f in customised_paths}
# Starting with the default paths, remove any that have been overridden,
# ignoring the .j2 extension of default paths.
result = {f for f in default_paths
if _basename_no_ext(f) not in customised_file_names}
# Add all customised paths.
result.update(customised_paths)
# Sort by the basename of the paths.
return sorted(result, key=os.path.basename)
def get_filters():
return {
"customise_fluentd": customise_fluentd,
}