Repo for DevOps with GitHub hands-on session

This repo has been created using twilio CLI for serverless. The only thing added is the dependency to jest and the jest test script.

Step 1 - Create a new repo based on this

Create a new repo on your profile clicking on "Use this template" button

Step 2 - Create a new branch

Click on branch and create a new branch called actions

Step 3 - Add a jest test script

Create a folder __tests__ and insise this folder, create a file named hello_world.test.js. Copy the content from the file below:

Click here to view file contents to copy:

const Twilio = require('twilio');

describe('Test voice response TwiML', () => {
 beforeAll(() => {
   global.Twilio = Twilio;
 });

 it('returns "Hello World" TwiML response', (done) => {
   const tokenFunction = require('../functions/hello-world').handler;

   const callback = (err, twimlResponse) => {
     expect(twimlResponse.toString()).toBe(
       '<?xml version="1.0" encoding="UTF-8"?><Response><Say>Hello World!</Say></Response>'
     );
     done();
   };

   tokenFunction(null, {}, callback);
 });
});

Step 4 - Add GitHub Action for testing

Create a new folder .github/workflows. In this folder create a new file named test.yml. Paste the content from the snippet below:

Click here to view file contents to copy:

name: Twilio Serverless testing

on: [pull_request, push]

jobs:
 test:
   runs-on: ${{ matrix.os }}
   strategy:
     matrix:
       os: [macos-latest]
       node-version: [10]

   steps:
     - name: Checkout code
       uses: actions/checkout@v1
     - name: Use Node.js version ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
     - name: npm install, build, and test
       run: |
         npm install
         npm run jest
       env:
         CI: true

After committing this file, open the action and see the test running.

Step 5 - Add Secrets

• In the repo click on Settings
• Click on "Secrets" in the lef side bar
• Click on "New repository secret"
• Add two secrets:
  • TWILIO_ACCOUNT_SID
  • TWILIO_AUTH_TOKEN

Step 6 - Add script for deployment

Add a file named deploy.yaml in the folder .github/workflows. Paste the content of the snippet below and commit:

Click here to view file contents to copy:

name: Deployment to Twilio Serverless

on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-latest]
        node-version: [10]

    steps:
      - name: Checkout code
        uses: actions/checkout@v1
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node-version }}
      - name: npm install and deploy
        run: |
          npm install
          npm run deploy -- --account-sid ${{secrets.TWILIO_ACCOUNT_SID}} --auth-token ${{secrets.TWILIO_AUTH_TOKEN}} --override-existing-project
        env:
          CI: true

Step 7 - Create a new deployment

• Click on "Pull request"
• Make sure you select your own main branch as base (by default GitHub may attempt to create a pull request to the original repo you forked from)
• Wait for the test to be executed
• Click on merge

If you go to the Actions tab, you will see the test and deploy workflow running in parallel

Step 8 - Add Secrets for Twilio SMS

Open the secret page in the repo settings and create the following secrets:

• TWILIO_ACCOUNT_SID: this is your Twilio account SID or your API key
• TWILIO_AUTH_TOKEN: this is your Twilio auth token or your API secret
• TWILIO_SMS_API_KEY: this is an API to send SMS (create one at https://www.twilio.com/console/sms/project/api-keys)
• TWILIO_SMS_API_SECRET: this is the secret for the API key created above
• TWILIO_SMS_FROM: Phone number in your Twilio account to send the SMS from
• TWILIO_SMS_TO: Phone number to send the SMS to

Step 9 - Add Twilio SMS notification

Open the .github/workflows/deploy.yaml and add the content of the snippets below to the file (careful with the two blank spaces before notify):

Click here to view file contents to copy:

  notify:
    runs-on: ubuntu-latest
    needs: deploy

    steps:
      - name: Send an SMS through Twilio
        uses: twilio-labs/actions-sms@v1
        with:
          fromPhoneNumber: ${{ secrets.TWILIO_SMS_FROM }}
          toPhoneNumber: ${{ secrets.TWILIO_SMS_TO }}
          message: '🚢 Deployment successful 🎉'
        env:
          TWILIO_ACCOUNT_SID: ${{ secrets.TWILIO_ACCOUNT_SID }}
          TWILIO_API_KEY: ${{ secrets.TWILIO_SMS_API_KEY }}
          TWILIO_API_SECRET: ${{ secrets.TWILIO_SMS_API_SECRET }}

Commit this to the main branch directly. After the deploy is executed, you should be receiving a message