Move to subfolder installer/

2016-01-11 14:42:20 +01:00
parent b562cd5c73
commit 3c0b88a1ee
18 changed files with 0 additions and 0 deletions
@@ -0,0 +1,128 @@
+/* jslint node: true */
+
+'use strict';
+
+var assert = require('assert'),
+    child_process = require('child_process'),
+    debug = require('debug')('installer:installer'),
+    path = require('path'),
+    safe = require('safetydance'),
+    semver = require('semver'),
+    superagent = require('superagent'),
+    util = require('util');
+
+exports = module.exports = {
+    InstallerError: InstallerError,
+
+    provision: provision,
+    retire: retire,
+
+    _ensureVersion: ensureVersion
+};
+
+var INSTALLER_CMD = path.join(__dirname, 'scripts/installer.sh'),
+    RETIRE_CMD = path.join(__dirname, 'scripts/retire.sh'),
+    SUDO = '/usr/bin/sudo';
+
+function InstallerError(reason, info) {
+    Error.call(this);
+    Error.captureStackTrace(this, this.constructor);
+
+    this.name = this.constructor.name;
+    this.reason = reason;
+    this.message = !info ? reason : (typeof info === 'object' ? JSON.stringify(info) : info);
+}
+util.inherits(InstallerError, Error);
+InstallerError.INTERNAL_ERROR = 1;
+InstallerError.ALREADY_PROVISIONED = 2;
+
+function spawn(tag, cmd, args, callback) {
+    assert.strictEqual(typeof tag, 'string');
+    assert.strictEqual(typeof cmd, 'string');
+    assert(util.isArray(args));
+    assert.strictEqual(typeof callback, 'function');
+
+    var cp = child_process.spawn(cmd, args, { timeout: 0 });
+    cp.stdout.setEncoding('utf8');
+    cp.stdout.on('data', function (data) { debug('%s (stdout): %s', tag, data); });
+    cp.stderr.setEncoding('utf8');
+    cp.stderr.on('data', function (data) { debug('%s (stderr): %s', tag, data); });
+
+    cp.on('error', function (error) {
+        debug('%s : child process errored %s', tag, error.message);
+        callback(error);
+    });
+
+    cp.on('exit', function (code, signal) {
+        debug('%s : child process exited. code: %d signal: %d', tag, code, signal);
+        if (signal) return callback(new Error('Exited with signal ' + signal));
+        if (code !== 0) return callback(new Error('Exited with code ' + code));
+
+        callback(null);
+    });
+}
+
+function retire(args, callback) {
+    assert.strictEqual(typeof args, 'object');
+    assert.strictEqual(typeof callback, 'function');
+
+    var pargs = [ RETIRE_CMD ];
+    pargs.push('--data', JSON.stringify(args.data));
+
+    debug('retire: calling with args %j', pargs);
+
+    if (process.env.NODE_ENV === 'test') return callback(null);
+
+    // sudo is required for retire()
+    spawn('retire', SUDO, pargs, callback);
+}
+
+function ensureVersion(args, callback) {
+    assert.strictEqual(typeof args, 'object');
+    assert.strictEqual(typeof callback, 'function');
+
+    if (!args.data || !args.data.boxVersionsUrl) return callback(new Error('No boxVersionsUrl specified'));
+
+    if (args.sourceTarballUrl) return callback(null, args);
+
+    superagent.get(args.data.boxVersionsUrl).end(function (error, result) {
+        if (error && !error.response) return callback(error);
+        if (result.statusCode !== 200) return callback(new Error(util.format('Bad status: %s %s', result.statusCode, result.text)));
+
+        var versions = safe.JSON.parse(result.text);
+
+        if (!versions || typeof versions !== 'object') return callback(new Error('versions is not in valid format:' + safe.error));
+
+        var latestVersion = Object.keys(versions).sort(semver.compare).pop();
+        debug('ensureVersion: Latest version is %s etag:%s', latestVersion, result.header['etag']);
+
+        if (!versions[latestVersion]) return callback(new Error('No version available'));
+        if (!versions[latestVersion].sourceTarballUrl) return callback(new Error('No sourceTarballUrl specified'));
+
+        args.sourceTarballUrl = versions[latestVersion].sourceTarballUrl;
+        args.data.version = latestVersion;
+
+        callback(null, args);
+    });
+}
+
+function provision(args, callback) {
+    assert.strictEqual(typeof args, 'object');
+    assert.strictEqual(typeof callback, 'function');
+
+    if (process.env.NODE_ENV === 'test') return callback(null);
+
+    ensureVersion(args, function (error, result) {
+        if (error) return callback(error);
+
+        var pargs = [ INSTALLER_CMD ];
+        pargs.push('--sourcetarballurl', result.sourceTarballUrl);
+        pargs.push('--data', JSON.stringify(result.data));
+
+        debug('provision: calling with args %j', pargs);
+
+        // sudo is required for update()
+        spawn('provision', SUDO, pargs, callback);
+    });
+}
+