@atomist/sdm
Version:
Atomist Software Delivery Machine SDK
96 lines • 3.77 kB
JavaScript
;
/*
* Copyright © 2020 Atomist, Inc.
*
* 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseKubernetesSpecString = exports.parseKubernetesSpecFile = exports.parseKubernetesSpec = exports.loadKubernetesSpec = void 0;
const logger_1 = require("@atomist/automation-client/lib/util/logger");
const yaml = require("js-yaml");
const path = require("path");
/**
* Read and parse either JSON or YAML file with basename `base` under
* `.atomist/kubernetes` in project. This function looks for
* `base`.json, `base`.yaml, and then `base`.yml. If it successfully
* reads and parses one of them into a truthy value, it returns its
* parsed value. If there are mulitple files matching those it looks
* for, it does _not_ overlay/merge the parsed values. It stops after
* the first successfully parsed file.
*/
async function loadKubernetesSpec(p, base) {
for (const ext of ["json", "yaml", "yml"]) {
const specFile = `${base}.${ext}`;
const specPath = path.join(".atomist", "kubernetes", specFile);
const spec = await parseKubernetesSpec(p, specPath);
if (spec) {
return spec;
}
}
return undefined;
}
exports.loadKubernetesSpec = loadKubernetesSpec;
/**
* Reads and parses Kubernetes JSON or YAML spec from the project.
* It swallows all exceptions, returning undefined if one occurs.
*
* If the `specPath` of the file ends with `.yaml` or `.yml`, the file
* contents are parsed as YAML. Otherwise it is parsed as JSON.
*
* @param p Project to look for spec file in
* @param specPath Path of spec file to load
* @return Parsed object if the spec was successfully read and parsed, undefined otherwise
*/
async function parseKubernetesSpec(p, specPath) {
try {
const specFile = await p.getFile(specPath);
if (!specFile) {
return undefined;
}
const spec = await parseKubernetesSpecFile(specFile);
return spec;
}
catch (e) {
logger_1.logger.warn(`Failed to read and parse spec file ${specPath}: ${e.message}`);
}
return undefined;
}
exports.parseKubernetesSpec = parseKubernetesSpec;
/**
* Reads and parses Kubernetes JSON or YAML spec from the project.
*
* If the `specFile.path` of the file ends with `.yaml` or `.yml`, the file
* contents are parsed as YAML. Otherwise it is parsed as JSON.
*
* @param specFile File object of spec file to load
* @return Parsed object of the spec
*/
async function parseKubernetesSpecFile(specFile) {
const specString = await specFile.getContent();
return parseKubernetesSpecString(specString, specFile.path);
}
exports.parseKubernetesSpecFile = parseKubernetesSpecFile;
/**
* Parses content string as Kubernetes JSON or YAML spec. It parses
* the file as YAML, since JSON is valid YAML.
*
* @param specString String representation of Kubernetes spec
* @param specPath File path of Kubernetes spec file
* @return Parsed object of the spec
*/
async function parseKubernetesSpecString(specString, specPath) {
const spec = yaml.safeLoad(specString);
return spec;
}
exports.parseKubernetesSpecString = parseKubernetesSpecString;
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