90 lines
2.7 KiB
JavaScript
90 lines
2.7 KiB
JavaScript
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/*
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* Copyright 2015 Joyent, Inc.
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*/
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var assert = require('assert-plus');
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var format = require('util').format;
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var fs = require('fs');
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var path = require('path');
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var common = require('./common');
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var errors = require('./errors');
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var DEFAULT_USER_CONFIG_PATH = path.resolve(process.env.HOME,
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'.triton', 'config.json');
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var DEFAULTS_PATH = path.resolve(__dirname, '..', 'etc', 'defaults.json');
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var OVERRIDE_KEYS = []; // config object keys to do a one-level deep override
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/**
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* Load the Triton client config. This is a merge of the built-in "defaults" (at
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* etc/defaults.json) and the "user" config (at ~/.triton/config.json if it
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* exists).
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*
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* This includes some internal data on keys with a leading underscore.
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*/
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function loadConfigSync(opts) {
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assert.object(opts, 'opts');
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assert.string(opts.configPath, 'opts.configPath');
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assert.optionalObject(opts.envProfile, 'opts.envProfile');
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var c = fs.readFileSync(DEFAULTS_PATH, 'utf8');
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var _defaults = JSON.parse(c);
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var config = JSON.parse(c);
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if (opts.configPath && fs.existsSync(opts.configPath)) {
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c = fs.readFileSync(opts.configPath, 'utf8');
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var _user = JSON.parse(c);
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var userConfig = JSON.parse(c);
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if (typeof (userConfig) !== 'object' || Array.isArray(userConfig)) {
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throw new errors.ConfigError(
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format('"%s" is not an object', opts.configPath));
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}
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// These special keys are merged into the key of the same name in the
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// base "defaults.json".
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Object.keys(userConfig).forEach(function (key) {
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if (~OVERRIDE_KEYS.indexOf(key) && config[key] !== undefined) {
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Object.keys(userConfig[key]).forEach(function (subKey) {
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if (userConfig[key][subKey] === null) {
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delete config[key][subKey];
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} else {
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config[key][subKey] = userConfig[key][subKey];
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}
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});
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} else {
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config[key] = userConfig[key];
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}
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});
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config._user = _user;
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}
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config._defaults = _defaults;
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// Add 'env' profile, if given.
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if (opts.envProfile) {
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if (!config.profiles) {
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config.profiles = [];
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}
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config.profiles.push(opts.envProfile);
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}
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return config;
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}
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//---- exports
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module.exports = {
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DEFAULT_USER_CONFIG_PATH: DEFAULT_USER_CONFIG_PATH,
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loadConfigSync: loadConfigSync
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};
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// vim: set softtabstop=4 shiftwidth=4:
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