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/**
* @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);
}
/**
* Check that the HCL resource is ready for release, i.e. the file can be
* parsed and the property exists with a value.
*
* @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 true
* when the resource is ready for release, an error is passed when the file
* is not configured, the file can't be parsed, or the property doesn't exist or has no value
*/
function isReadyForRelease(resource, cb) {
const property = resource.params && resource.params.property;
function readCb(err, result) {
let ready;
if (!err) {
// hcl2-parser returns the parse error (without a message) instead of
// throwing it
const [data, parseErr] = hcl.parseToObject(result);
if (parseErr) {
err = new Error(`Failed to parse HCL resource ${resource.path}`);
} else {
const value = getProperty(data, property);
if (value === undefined) {
err = new Error(
`Property ${property} does not exist in HCL resource ${resource.path}`,
);
} else if (value === null || value === "") {
err = new Error(
`Property ${property} has no value in HCL resource ${resource.path}`,
);
} else {
ready = true;
}
}
}
cb(err, ready);
}
if (!property) {
cb(
new Error(
`HCL resource ${resource.path} has no params.property configured`,
),
);
} else {
fs.readFile(resource.path, "UTF-8", readCb);
}
}
const exports = {
setReleaseVersion: setVersion,
setPostReleaseVersion: setVersion,
getVersion: getVersion,
isReadyForRelease: isReadyForRelease,
};
export { exports as default };
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