apptask: asyncify

src/database.js

@@ -19,7 +19,7 @@ const assert = require('assert'),
     constants = require('./constants.js'),
     debug = require('debug')('box:database'),
     mysql = require('mysql'),
-    once = require('once'),
+    safe = require('safetydance'),
     shell = require('./shell.js'),
     util = require('util');
 
@@ -131,21 +131,18 @@ async function transaction(queries) {
     });
 }
 
-function importFromFile(file, callback) {
+async function importFromFile(file) {
     assert.strictEqual(typeof file, 'string');
-    assert.strictEqual(typeof callback, 'function');
 
     const cmd = `/usr/bin/mysql -h "${gDatabase.hostname}" -u ${gDatabase.username} -p${gDatabase.password} ${gDatabase.name} < ${file}`;
 
-    async.series([
-        query.bind(null, 'CREATE DATABASE IF NOT EXISTS box'),
-        child_process.exec.bind(null, cmd)
-    ], callback);
+    await query('CREATE DATABASE IF NOT EXISTS box');
+    const [error] = await safe(shell.promises.exec('importFromFile', cmd));
+    if (error) throw new BoxError(BoxError.DATABASE_ERROR, error);
 }
 
-function exportToFile(file, callback) {
+async function exportToFile(file) {
     assert.strictEqual(typeof file, 'string');
-    assert.strictEqual(typeof callback, 'function');
 
     // latest mysqldump enables column stats by default which is not present in MySQL 5.7 server
     // this option must not be set in production cloudrons which still use the old mysqldump
@@ -153,5 +150,6 @@ function exportToFile(file, callback) {
 
     const cmd = `/usr/bin/mysqldump -h "${gDatabase.hostname}" -u root -p${gDatabase.password} ${disableColStats} --single-transaction --routines --triggers ${gDatabase.name} > "${file}"`;
 
-    child_process.exec(cmd, callback);
+    const [error] = await safe(shell.promises.exec('exportToFile', cmd));
+    if (error) throw new BoxError(BoxError.DATABASE_ERROR, error);
 }