| # Copyright 2018 The LUCI Authors. |
| # |
| # 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. |
| |
| """Helpers for parsing and validating service names.""" |
| |
| load('@stdlib//internal/luci/lib/validate.star', 'validate') |
| |
| |
| def _from_host(attr, host): |
| """Validates a service host name and returns a struct with the service info. |
| |
| Args: |
| attr: name of the attribute, e.g. 'buildbucket' (for error messages). |
| host: a service host name, e.g. 'buildbucket.appspot.com'. |
| """ |
| host = validate.string(attr, host, required=False) |
| if not host: |
| return None |
| |
| # Recognize appspot.com, since this is where all LUCI services are. |
| app_id = host |
| if host.endswith('.appspot.com'): |
| app_id = host[:-len('.appspot.com')] |
| |
| return struct( |
| host = host, |
| app_id = app_id, |
| cfg_file = '%s.cfg' % app_id, |
| ) |
| |
| |
| # API of this module. |
| service = struct(from_host = _from_host) |