| // Copyright (C) 2017 The Bazel 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. |
| |
| import build.bazel.ci.BazelConfiguration |
| |
| // Step to read a configuration from the repository |
| // Parameters: |
| // - repository, branch, refspec: which repository to fetch, see recursiveGit |
| // - files: the list of files to read from the repository (if the first one |
| // does not exists, try the second one and so on...), default to .ci/bazel.json. |
| // - default_configuration: default json content to use if the file cannot be found |
| // - restrict_configuration: restriction to the returned configuration, see |
| // BazelConfiguration.flattenConfiguration |
| def call(config = [:]) { |
| def conf = null |
| def files = config.get("files", [".ci/bazel.json"]) |
| def filename = null |
| if ("repository" in config) { |
| node { |
| recursiveGit(repository: config.repository, |
| branch: config.get("branch", "master"), |
| refspec: config.get("refspec", "+refs/heads/*:refs/remotes/origin/*")) |
| for(int k = 0; k < files.size() && conf == null; k++) { |
| if (fileExists(files[k])) { |
| filename = files[k] |
| conf = readFile(filename) |
| } |
| } |
| } |
| } |
| if (conf == null) { |
| conf = config.get("default_configuration") |
| if (conf == null) { |
| error( |
| """Cannot read configuration file from the repository and no fallback was provided. |
| Please check a configuration file under one of: ${files.join ', '}.""") |
| } |
| } |
| try { |
| // We exclude the deploy slaves from being selected by the configuration, they |
| // have access to secrets. |
| return BazelConfiguration.flattenConfigurations( |
| BazelConfiguration.parse(conf), config.get("restrict_configuration", [:]), |
| ["node": ["deploy"]]) |
| } catch(Exception ex) { |
| error(filename != null ? "Failed to validate configuration (file was ${filename}): ${ex.message}" |
| : "Failed to validate default configuration: ${ex.message}") |
| } |
| } |
