K8s changes (#19)

* K8S changes * k8s: test explicit dns lookup of service * bugfix prev commit * typo * k8s: more dns * k8s: more dns * k8s: more dns fun * k8s cleanup * k8s: user service for rtpengine location * k8s cleanup * typo * change env name for fs in k8s * change k8s service name for feature server * add support for outbound connection mode * k8s change for outbound * minor * bugfix: drachtio connection was dropped after successful connect * drop drachtio connection on call end * Dockerfile * k8s pre-stop hook * actual hook committed * make hjook executable * dockerfile change * time series fix * bugfix: teams transfer using replaces
2025-12-18 20:27:43 +00:00 · 2022-01-06 12:37:49 -05:00
parent 56205dc852
commit a892a87eb5
8 changed files with 311 additions and 277 deletions
--- a/2
+++ b/2
@@ -1,4 +1,4 @@
-FROM node:16
+FROM node:17-slim
 WORKDIR /opt/app/
 COPY package.json ./
 RUN npm install
--- a/app.js
+++ b/app.js
@@ -10,7 +10,6 @@ assert.ok(process.env.JAMBONES_NETWORK_CIDR, 'missing JAMBONES_NETWORK_CIDR env
 const Srf = require('drachtio-srf');
 const srf = new Srf('sbc-inbound');
 const CIDRMatcher = require('cidr-matcher');
-const matcher = new CIDRMatcher([process.env.JAMBONES_NETWORK_CIDR]);
 const opts = Object.assign({
  timestamp: () => {return `, "time": "${new Date().toISOString()}"`;}
 }, {level: process.env.JAMBONES_LOGLEVEL || 'info'});
@@ -22,6 +21,7 @@ const {
  AlertType
 } = require('@jambonz/time-series')(logger, {
  host: process.env.JAMBONES_TIME_SERIES_HOST,
+  port: process.env.JAMBONES_TIME_SERIES_PORT || 8086,
  commitSize: 50,
  commitInterval: 'test' === process.env.NODE_ENV ? 7 : 20
 });
@@ -32,6 +32,11 @@ const setNameRtp = `${(process.env.JAMBONES_CLUSTER_ID || 'default')}:active-rtp
 const rtpServers = [];
 const setName = `${(process.env.JAMBONES_CLUSTER_ID || 'default')}:active-sip`;

+const cidrs = process.env.JAMBONES_NETWORK_CIDR
+  .split(',')
+  .map((s) => s.trim());
+const matcher = new CIDRMatcher(cidrs);
+
 const {
  pool,
  lookupAuthHook,
@@ -105,7 +110,7 @@ const {
 } = require('./lib/middleware')(srf, logger);
 const CallSession = require('./lib/call-session');

-if (process.env.DRACHTIO_HOST) {
+if (process.env.DRACHTIO_HOST && !process.env.K8S) {
  srf.connect({host: process.env.DRACHTIO_HOST, port: process.env.DRACHTIO_PORT, secret: process.env.DRACHTIO_SECRET });
  srf.on('connect', (err, hp) => {
    if (err) return this.logger.error({err}, 'Error connecting to drachtio server');
@@ -131,6 +136,7 @@ if (process.env.DRACHTIO_HOST) {
  });
 }
 else {
+  logger.info(`listening in outbound mode on port ${process.env.DRACHTIO_PORT}`);
  srf.listen({port: process.env.DRACHTIO_PORT, secret: process.env.DRACHTIO_SECRET});
 }
 if (process.env.NODE_ENV === 'test') {
@@ -163,6 +169,11 @@ srf.use((req, res, next, err) => {
  res.send(500);
 });

+const PORT = process.env.HTTP_PORT || 3000;
+const getCount = () => activeCallIds.size;
+const healthCheck = require('@jambonz/http-health-check');
+healthCheck({port: PORT, logger, path: '/', fn: getCount});
+
 /* update call stats periodically */
 setInterval(() => {
  stats.gauge('sbc.sip.calls.count', activeCallIds.size, ['direction:inbound']);
@@ -179,11 +190,13 @@ const arrayCompare = (a, b) => {
  return true;
 };

-/* update rtpengines periodically */
-if (process.env.JAMBONES_RTPENGINES) {
-  setRtpEngines([process.env.JAMBONES_RTPENGINES]);
+const serviceName = process.env.JAMBONES_RTPENGINES || process.env.K8S_RTPENGINE_SERVICE_NAME;
+if (serviceName) {
+  logger.info(`rtpengine(s) will be found at: ${serviceName}`);
+  setRtpEngines([serviceName]);
 }
 else {
+  /* update rtpengines periodically */
  const getActiveRtpServers = async() => {
    try {
      const set = await retrieveSet(setNameRtp);
@@ -199,11 +212,11 @@ else {
      logger.error({err}, 'Error setting new rtpengines');
    }
  };
-
  setInterval(() => {
    getActiveRtpServers();
  }, 30000);
  getActiveRtpServers();
+
 }

 const {lifecycleEmitter} = require('./lib/autoscale-manager')(logger);
--- a/bin/k8s-pre-stop-hook.js
+++ b/bin/k8s-pre-stop-hook.js
@@ -0,0 +1,29 @@
+#!/usr/bin/env node
+const bent = require('bent');
+const getJSON = bent('json');
+const PORT = process.env.HTTP_PORT || 3000;
+
+const sleep = (ms) => {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+};
+
+(async function() {
+
+  try {
+    do {
+      const obj = await getJSON(`http://127.0.0.1:${PORT}/`);
+      const {calls} = obj;
+      if (calls === 0) {
+        console.log('no calls on the system, we can exit');
+        process.exit(0);
+      }
+      else {
+        console.log(`waiting for ${calls} to exit..`);
+      }
+      await sleep(10000);
+    } while (1);
+  } catch (err) {
+    console.error(err, 'Error querying health endpoint');
+    process.exit(-1);
+  }
+})();
--- a/lib/call-session.js
+++ b/lib/call-session.js
@@ -209,6 +209,7 @@ class CallSession extends Emitter {
      else if (err.message !== 'call canceled') {
        this.logger.error(err, 'unexpected error routing inbound call');
      }
+      this.srf.endSession(this.req);
    }
  }

@@ -223,6 +224,7 @@ class CallSession extends Emitter {
      this.rtpEngineResource.destroy().catch((err) => {});
      this.activeCallIds.delete(callId);
      if (dlg.other && dlg.other.connected) dlg.other.destroy().catch((e) => {});
+      this.srf.endSession(this.req);
    });

    //re-invite
@@ -272,6 +274,7 @@ class CallSession extends Emitter {
            trunk
          }).catch((err) => this.logger.error({err}, 'Error writing cdr for completed call'));
        }
+        this.srf.endSession(this.req);
      });
    });

@@ -326,7 +329,7 @@ Duration=${payload.duration} `
   */
  async replaces(req, res) {
    try {
-      let opts = Object.assign(this.rtpEngineOpts.offer, {sdp: req.body});
+      let opts = Object.assign(this.rtpEngineOpts.uas.mediaOpts, {sdp: req.body});
      let response = await this.offer(opts);
      if ('ok' !== response.result) {
        res.send(488);
@@ -334,8 +337,8 @@ Duration=${payload.duration} `
      }
      this.logger.info({opts, response}, 'sent offer for reinvite to rtpengine');
      const sdp = await this.uac.modify(response.sdp);
-      opts = Object.assign(this.rtpEngineOpts.answer, {sdp, 'to-tag': this.toTag});
-      Object.assign(this.rtpEngineOpts.offer, {'to-tag': this.toTag});
+      opts = Object.assign(this.rtpEngineOpts.uac.mediaOpts, {sdp, 'to-tag': this.toTag});
+      Object.assign(this.rtpEngineOpts.uas.mediaOpts, {'to-tag': this.toTag});
      response = await this.answer(opts);
      if ('ok' !== response.result) {
        res.send(488);
@@ -529,6 +532,7 @@ Duration=${payload.duration} `
        this.rtpEngineResource.destroy();
        this.activeCallIds.delete(this.req.get('Call-ID'));
        uac.other.destroy();
+        this.srf.endSession(this.req);
      });
      // now we can destroy the old dialog
      dlg.destroy().catch(() => {});
--- a/lib/fs-tracking.js
+++ b/lib/fs-tracking.js
@@ -1,4 +1,8 @@
 const setName = `${(process.env.JAMBONES_CLUSTER_ID || 'default')}:active-fs`;
+const assert = require('assert');
+
+assert.ok(!process.env.K8S || process.env.K8S_FEATURE_SERVER_SERVICE_NAME,
+  'when running in Kubernetes, an env var K8S_FEATURE_SERVER_SERVICE_NAME is required');

 module.exports = (srf, logger) => {
  const {retrieveSet, createSet} = srf.locals.realtimeDbHelpers;
@@ -10,13 +14,18 @@ module.exports = (srf, logger) => {

  return async() => {
    try {
-      const fs = await retrieveSet(setName);
-      if (0 === fs.length) {
-        logger.info('No available feature servers to handle incoming call');
-        return;
+      if (process.env.K8S) {
+        return process.env.K8S_FEATURE_SERVER_SERVICE_NAME;
+      }
+      else {
+        const fs = await retrieveSet(setName);
+        if (0 === fs.length) {
+          logger.info('No available feature servers to handle incoming call');
+          return;
+        }
+        logger.debug({fs}, `retrieved ${setName}`);
+        return fs[idx++ % fs.length];
      }
-      logger.debug({fs}, `retrieved ${setName}`);
-      return fs[idx++ % fs.length];
    } catch (err) {
      logger.error({err}, `Error retrieving ${setName}`);
    }
--- a/lib/middleware.js
+++ b/lib/middleware.js
@@ -152,7 +152,8 @@ module.exports = function(srf, logger) {
        const app = await lookupAppByTeamsTenant(uri.host);
        if (!app) {
          stats.increment('sbc.terminations', ['sipStatus:404']);
-          return res.send(404, {headers: {'X-Reason': 'no configured application'}});
+          res.send(404, {headers: {'X-Reason': 'no configured application'}});
+          return req.srf.endSession(req);
        }

        req.locals = {
@@ -171,7 +172,8 @@ module.exports = function(srf, logger) {
        const account = await lookupAccountBySipRealm(uri.host);
        if (!account) {
          stats.increment('sbc.terminations', ['sipStatus:404']);
-          return res.send(404);
+          res.send(404);
+          return req.srf.endSession(req);
        }

        /* if this is a dedicated SBC (static IP) only take calls for that account's sip realm */
@@ -180,7 +182,8 @@ module.exports = function(srf, logger) {
            `identifyAccount: static IP for ${process.env.SBC_ACCOUNT_SID} but call for ${account.account_sid}`);
          stats.increment('sbc.terminations', ['sipStatus:404']);
          delete req.locals.cdr;
-          return res.send(404);
+          res.send(404);
+          return req.srf.endSession(req);
        }
        req.locals = {
          account_sid: account.account_sid,
@@ -261,13 +264,15 @@ module.exports = function(srf, logger) {
          account_sid,
          count: limit_sessions
        }).catch((err) => logger.info({err}, 'checkLimits: error writing alert'));
-        return res.send(503, 'Maximum Calls In Progress');
+        res.send(503, 'Maximum Calls In Progress');
+        return req.srf.endSession(req);
      }
      next();
    } catch (err) {
      stats.increment('sbc.terminations', ['sipStatus:500']);
      logger.error({err}, 'error checking limits error for inbound call');
      res.send(500);
+      req.srf.endSession(req);
    }
  };

@@ -280,6 +285,7 @@ module.exports = function(srf, logger) {
      stats.increment('sbc.terminations', ['sipStatus:500']);
      logger.error(err, `${req.get('Call-ID')} Error looking up related info for inbound call`);
      res.send(500);
+      req.srf.endSession(req);
    }
  };

--- a/package-lock.json
+++ b/package-lock.json
@@ -1,27 +1,28 @@
 {
  "name": "sbc-inbound",
-  "version": "v0.6.7-rc8",
+  "version": "v0.7.0",
  "lockfileVersion": 2,
  "requires": true,
  "packages": {
    "": {
-      "version": "v0.6.7-rc8",
+      "version": "v0.7.0",
      "license": "MIT",
      "dependencies": {
-        "@jambonz/db-helpers": "^0.6.12",
+        "@jambonz/db-helpers": "^0.6.13",
        "@jambonz/http-authenticator": "^0.2.0",
+        "@jambonz/http-health-check": "^0.0.1",
        "@jambonz/realtimedb-helpers": "^0.4.8",
        "@jambonz/rtpengine-utils": "^0.1.17",
-        "@jambonz/stats-collector": "^0.1.5",
+        "@jambonz/stats-collector": "^0.1.6",
        "@jambonz/time-series": "^0.1.5",
-        "aws-sdk": "^2.848.0",
+        "aws-sdk": "^2.1036.0",
        "bent": "^7.3.12",
        "cidr-matcher": "^2.1.1",
-        "debug": "^4.3.1",
+        "debug": "^4.3.2",
        "drachtio-fn-b2b-sugar": "0.0.12",
        "drachtio-srf": "^4.4.59",
        "express": "^4.17.1",
-        "pino": "^6.8.0",
+        "pino": "^6.13.3",
        "rtpengine-client": "^0.2.0",
        "verify-aws-sns-signature": "^0.0.6",
        "xml2js": "^0.4.23"
@@ -503,9 +504,9 @@
      }
    },
    "node_modules/@jambonz/db-helpers": {
-      "version": "0.6.12",
-      "resolved": "https://registry.npmjs.org/@jambonz/db-helpers/-/db-helpers-0.6.12.tgz",
-      "integrity": "sha512-AZB8iMqLpFhT1xcViQSmXpjzO8FWnW2DXaPcDHnZO0uhrAS+8OSpU1tBdl4p6yHwPQ8CEONyMIpF86tltnLpOg==",
+      "version": "0.6.14",
+      "resolved": "https://registry.npmjs.org/@jambonz/db-helpers/-/db-helpers-0.6.14.tgz",
+      "integrity": "sha512-dWUjDb2If9NwUpUxlAJ4PbIWRyA1gZTkmiICix/f76yAF5aGCf0hgOiYXlh335BRYsX5By41yS7DkLXaTxbx9g==",
      "dependencies": {
        "cidr-matcher": "^2.1.1",
        "debug": "^4.3.1",
@@ -525,6 +526,17 @@
        "qs": "^6.9.4"
      }
    },
+    "node_modules/@jambonz/http-health-check": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/@jambonz/http-health-check/-/http-health-check-0.0.1.tgz",
+      "integrity": "sha512-pGBcaDLMQ2pwJF2pm0UAi30rNcMzwsdvUSExfCrR4IPYsrGFYf/AFJVOOiaaG9JBbI9dPKu6TKo4n6SIMn0yWA==",
+      "dependencies": {
+        "express": "^4.17.2"
+      },
+      "engines": {
+        "node": ">=14.x"
+      }
+    },
    "node_modules/@jambonz/promisify-redis": {
      "version": "0.0.6",
      "resolved": "https://registry.npmjs.org/@jambonz/promisify-redis/-/promisify-redis-0.0.6.tgz",
@@ -558,12 +570,12 @@
      }
    },
    "node_modules/@jambonz/stats-collector": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/@jambonz/stats-collector/-/stats-collector-0.1.5.tgz",
-      "integrity": "sha512-Lrz0kQe4MtN2jCvKntpvHhKQFnn9Vw+tDQtaeYg4tqHAiNQeqcWG6E9r7yObvn4VnjPUkVLtgyf8E+1xqkiEYA==",
+      "version": "0.1.6",
+      "resolved": "https://registry.npmjs.org/@jambonz/stats-collector/-/stats-collector-0.1.6.tgz",
+      "integrity": "sha512-Qk+kpeb2wravpj3OYPC4N3ML1qoAzARNLfKGZtJ05PTAtfWoZMPnyfPAM9EJHIiVfs2Lec3CXDjEpHna0mc9EA==",
      "dependencies": {
-        "debug": "^4.3.1",
-        "hot-shots": "^8.2.1"
+        "debug": "^4.3.2",
+        "hot-shots": "^8.5.0"
      }
    },
    "node_modules/@jambonz/time-series": {
@@ -824,9 +836,9 @@
      }
    },
    "node_modules/aws-sdk": {
-      "version": "2.860.0",
-      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.860.0.tgz",
-      "integrity": "sha512-BUBWw28PNDhRDnPEnXiPEvgTWD8Iyq5pl9lk/WhXC/vkACJ3aUVe+sicezI1/JQRjLrO3R6w7X20YknVWfAibA==",
+      "version": "2.1046.0",
+      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.1046.0.tgz",
+      "integrity": "sha512-ocwHclMXdIA+NWocUyvp9Ild3/zy2vr5mHp3mTyodf0WU5lzBE8PocCVLSWhMAXLxyia83xv2y5f5AzAcetbqA==",
      "dependencies": {
        "buffer": "4.9.2",
        "events": "1.1.1",
@@ -839,7 +851,7 @@
        "xml2js": "0.4.19"
      },
      "engines": {
-        "node": ">= 0.8.0"
+        "node": ">= 10.0.0"
      }
    },
    "node_modules/aws-sdk/node_modules/uuid": {
@@ -928,20 +940,20 @@
      }
    },
    "node_modules/body-parser": {
-      "version": "1.19.0",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
-      "integrity": "sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==",
+      "version": "1.19.1",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.1.tgz",
+      "integrity": "sha512-8ljfQi5eBk8EJfECMrgqNGWPEY5jWP+1IzkzkGdFFEwFQZZyaZ21UqdaHktgiMlH0xLHqIFtE/u2OYE5dOtViA==",
      "dependencies": {
-        "bytes": "3.1.0",
+        "bytes": "3.1.1",
        "content-type": "~1.0.4",
        "debug": "2.6.9",
        "depd": "~1.1.2",
-        "http-errors": "1.7.2",
+        "http-errors": "1.8.1",
        "iconv-lite": "0.4.24",
        "on-finished": "~2.3.0",
-        "qs": "6.7.0",
-        "raw-body": "2.4.0",
-        "type-is": "~1.6.17"
+        "qs": "6.9.6",
+        "raw-body": "2.4.2",
+        "type-is": "~1.6.18"
      },
      "engines": {
        "node": ">= 0.8"
@@ -971,14 +983,6 @@
      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
    },
-    "node_modules/body-parser/node_modules/qs": {
-      "version": "6.7.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
-      "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==",
-      "engines": {
-        "node": ">=0.6"
-      }
-    },
    "node_modules/brace-expansion": {
      "version": "1.1.11",
      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -1027,9 +1031,9 @@
      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
    },
    "node_modules/bytes": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
-      "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.1.tgz",
+      "integrity": "sha512-dWe4nWO/ruEOY7HkUJ5gFt1DCFV9zPRoJr8pV0/ASQermOZjtq8jMjOprC0Kd10GLN+l7xaUPvxzJFWtxGu8Fg==",
      "engines": {
        "node": ">= 0.8"
      }
@@ -1192,21 +1196,16 @@
      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
    },
    "node_modules/content-disposition": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz",
-      "integrity": "sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==",
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
+      "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
      "dependencies": {
-        "safe-buffer": "5.1.2"
+        "safe-buffer": "5.2.1"
      },
      "engines": {
        "node": ">= 0.6"
      }
    },
-    "node_modules/content-disposition/node_modules/safe-buffer": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
-    },
    "node_modules/content-type": {
      "version": "1.0.4",
      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
@@ -1231,9 +1230,9 @@
      "dev": true
    },
    "node_modules/cookie": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.0.tgz",
-      "integrity": "sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==",
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
+      "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==",
      "engines": {
        "node": ">= 0.6"
      }
@@ -1262,9 +1261,9 @@
      }
    },
    "node_modules/debug": {
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--- a/package.json
+++ b/package.json
@@ -25,23 +25,24 @@
    "jslint": "eslint app.js lib"
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  "dependencies": {
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    "@jambonz/http-authenticator": "^0.2.0",
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    "@jambonz/rtpengine-utils": "^0.1.17",
-    "@jambonz/stats-collector": "^0.1.5",
+    "@jambonz/stats-collector": "^0.1.6",
    "@jambonz/time-series": "^0.1.5",
-    "aws-sdk": "^2.848.0",
+    "aws-sdk": "^2.1036.0",
    "bent": "^7.3.12",
-    "express": "^4.17.1",
-    "verify-aws-sns-signature": "^0.0.6",
-    "xml2js": "^0.4.23",
    "cidr-matcher": "^2.1.1",
-    "debug": "^4.3.1",
+    "debug": "^4.3.3",
    "drachtio-fn-b2b-sugar": "0.0.12",
    "drachtio-srf": "^4.4.59",
-    "pino": "^6.8.0",
-    "rtpengine-client": "^0.2.0"
+    "express": "^4.17.1",
+    "pino": "^7.4.1",
+    "rtpengine-client": "^0.2.0",
+    "verify-aws-sns-signature": "^0.0.6",
+    "xml2js": "^0.4.23"
  },
  "devDependencies": {
    "clear-module": "^4.1.1",