add fs_public_ip to webhook payload (only when running in ec2 autoscale group)

lib/session/call-info.js

@@ -71,6 +71,9 @@ class CallInfo {
     }
 
     this.localSipAddress = srf.locals.localSipAddress;
+    if (srf.locals.publicIp) {
+      this.publicIp = srf.locals.publicIp;
+    }
   }
 
   /**
@@ -121,6 +124,9 @@ class CallInfo {
     if (process.env.JAMBONES_API_BASE_URL) {
       Object.assign(obj, {apiBaseUrl: process.env.JAMBONES_API_BASE_URL});
     }
+    if (this.publicIp) {
+      Object.assign(obj, {fsPublicIp: this.publicIp});
+    }
     return obj;
   }
 

lib/utils/aws-sns-lifecycle.js

@@ -45,6 +45,7 @@ class SnsNotifier extends Emitter {
           }, 'response from SNS SubscribeURL');
           const data = await this.describeInstance();
           this.lifecycleState = data.AutoScalingInstances[0].LifecycleState;
+          this.emit('SubscriptionConfirmation', {publicIp: this.publicIp});
           break;
 
         case 'Notification':

lib/utils/place-outdial.js

@@ -144,6 +144,7 @@ class SingleDialer extends Emitter {
            *  (a) create a CallInfo for this call
            *  (a) create a logger for this call
            */
+          req.srf = srf;
           this.callInfo = new CallInfo({
             direction: CallDirection.Outbound,
             parentCallInfo: this.parentCallInfo,

lib/utils/sbc-pinger.js

@@ -28,6 +28,10 @@ module.exports = (logger) => {
         lifecycleEmitter = await require('./aws-sns-lifecycle')(logger);
 
         lifecycleEmitter
+          .on('SubscriptionConfirmation', ({publicIp}) => {
+            const {srf} = require('../..');
+            srf.locals.publicIp = publicIp;
+          })
           .on(LifeCycleEvents.ScaleIn, () => {
             logger.info('AWS scale-in notification: begin drying up calls');
             dryUpCalls = true;