backups: add backup multiple targets

src/cron.js

@@ -11,7 +11,7 @@ exports = module.exports = {
 
     stopJobs,
 
-    handleBackupPolicyChanged,
+    handleBackupScheduleChanged,
     handleTimeZoneChanged,
     handleAutoupdatePatternChanged,
     handleDynamicDnsChanged,
@@ -203,24 +203,24 @@ async function startJobs() {
         start: true
     });
 
-    await handleBackupPolicyChanged(await backupTargets.getPolicy());
+    await handleBackupScheduleChanged(await backupTargets._getDefault());
     await handleAutoupdatePatternChanged(await updater.getAutoupdatePattern());
     await handleDynamicDnsChanged(await network.getDynamicDns());
     await handleExternalLdapChanged(await externalLdap.getConfig());
 }
 
-async function handleBackupPolicyChanged(value) {
-    assert.strictEqual(typeof value, 'object');
+async function handleBackupScheduleChanged(target) {
+    assert.strictEqual(typeof target, 'object');
 
     const tz = await cloudron.getTimeZone();
 
-    debug(`backupPolicyChanged: schedule ${value.schedule} (${tz})`);
+    debug(`backupPolicyChanged: schedule ${target.schedule} (${tz})`);
 
     if (gJobs.backup) gJobs.backup.stop();
     gJobs.backup = null;
 
     gJobs.backup = CronJob.from({
-        cronTime: value.schedule,
+        cronTime: target.schedule,
         onTick: async () => await safe(backupTargets.startBackupTask(AuditSource.CRON), { debug }),
         start: true,
         timeZone: tz