added ability to change the interval while the heartbeat app is running

Author: pekeler

beat.js

@@ -2,8 +2,13 @@
 'use strict';
 const request = require('org/arangodb/request');
 
-const url = applicationContext.configuration.url;
+const configuredUrl      = applicationContext.configuration.url;
+const configuredInterval = applicationContext.configuration.interval;
+const currentInterval    = applicationContext.argv[0].interval;
 
-if (url) {
-  request.head(url, {});
+if (currentInterval !== configuredInterval) {
+  require('console').log('heartbeat reconfigured');
+  require('setup');
+} else if (configuredUrl) {
+  request.head(configuredUrl, {});
 }

manifest.json

@@ -2,7 +2,7 @@
   "name": "heartbeat",
   "description": "Heartbeat for external monitoring of ArangoDB.",
   "author": "Christian Pekeler",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "license": "Apache License, Version 2.0",
   "repository": {
     "type": "git",

setup.js

@@ -7,7 +7,7 @@ queue.all().forEach(jobId => queue.delete(jobId));
 const intervalInSeconds = applicationContext.configuration.interval;
 queue.push(
   {mount: '/heartbeat', name: 'beat'},
-  {},
+  {interval: intervalInSeconds},
   {repeatTimes: -1, repeatDelay: intervalInSeconds * 1000}
 );