All files / lib/resource-types hcl.js

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"use strict";
/**
 * @module resource-types/hcl
 */
import bag from "bagofcli";
import { getProperty } from "dot-prop";
import fs from "fs";
import hcl from "hcl2-parser";
 
/**
 * Set version value in the HCL resource's property (defined in dot-notation).
 * This uses {@link https://github.com/minamijoyo/hcledit|hcledit} CLI tool to
 * modify the HCL file because there is no node.js library that can write HCL
 * files in a safe way while preserving original formatting.
 *
 * NOTE: hcledit must be installed and available in the PATH for this to work.
 *
 * @param {String} version - version value to set
 * @param {Object} resource - resource configuration
 * @param {String} resource.path - path to the HCL file
 * @param {String} resource.params.property - property in dot-notation
 * @param {Object} opts - optional settings
 * @param {Boolean} [opts.dryRun] - when true, HCL file won't be modified
 * @param {Function} cb - standard cb(err, result) callback
 */
function setVersion(version, resource, opts, cb) {
  if (!opts.dryRun) {
    const property = resource.params.property;
    function execCb(err, stdOutOuput, stdErrOuput, result) {
      cb(err);
    }
    bag.exec(
      `hcledit attribute set ${property} ${version} -f ${resource.path} -u`,
      false,
      execCb,
    );
  } else {
    cb();
  }
}
 
/**
 * Get version value from the HCL resource's property (defined in dot-notation).
 *
 * @param {Object} resource - resource configuration
 * @param {String} resource.path - path to the HCL file
 * @param {String} resource.params.property - property in dot-notation
 * @param {Function} cb - standard cb(err, result) callback, result is the
 *   version value
 */
function getVersion(resource, cb) {
  const property = resource.params.property;
 
  function readCb(err, result) {
    let version;
    if (!err) {
      const data = hcl.parseToObject(result)[0];
      version = getProperty(data, property);
    }
    cb(err, version);
  }
  fs.readFile(resource.path, "UTF-8", readCb);
}
 
const exports = {
  setReleaseVersion: setVersion,
  setPostReleaseVersion: setVersion,
  getVersion: getVersion,
};
 
export { exports as default };