K8s changes (#55)

* K8S: dont send OPTIONS pings

* fix missing ref

* k8s pre-stop hook added

* k8s pre-stop hook changes

* chmod +x utility

* more k8s pre-stop changes

* pre stop

* fix healthcheck

* k8s pre-stop working

* add readiness probe

* fix bug in pre-stop

* logging

* revamp k8s pre-stop a bit

* initial support for cognigy bot

* more cognigy changes

* switch to use transcribe for cognigy

* #54 include callInfo in dialogflow event payload

lib/http-routes/index.js

@@ -1,16 +1,23 @@
 const express = require('express');
 const api = require('./api');
 const routes = express.Router();
+const sessionTracker = require('../session/session-tracker');
+
+const readiness = (req, res) => {
+  const logger = req.app.locals.logger;
+  const {count} = sessionTracker;
+  const {srf} = require('../..');
+  const {getFreeswitch} = srf.locals;
+  if (getFreeswitch()) {
+    return res.status(200).json({calls: count});
+  }
+  logger.info('responding to /health check with failure as freeswitch is not up');
+  res.sendStatus(480);
+};
 
 routes.use('/v1', api);
 
-// health checks
-routes.get('/', (req, res) => {
-  res.sendStatus(200);
-});
-
-routes.get('/health', (req, res) => {
-  res.sendStatus(200);
-});
+// health check
+routes.get('/health', readiness);
 
 module.exports = routes;