setup-build-automation.md

setup-build-automation

used to store Jenkins file for building test-flask-webapp

Setup

Create and store SSH key

Create and output keys

# create SSH keypair
ssh-keygen -t rsa -b 4096 -f `pwd`/build-test-flask-webapp-key -C "Read-only key for pulling build repo." -q

# output public key
cat `pwd`/build-test-flask-webapp-key.pub

# output private key
cat `pwd`/build-test-flask-webapp-key

Add public key to github

1. In this repo, go to "Settings" > "Deploy keys" and click on "Add deploy key"
   • Title: Jenkins Key
   • Key: Output of build-test-flask-webapp-key.pub
2. Click Add Key.

Add private key to jenkins

1. In Jenkins, navigate to “Manage Jenkins” > “Credentials” > "System" > "Global Credentials"
2. Click on “Add Credentials” and choose “SSH Username with private key.”
   • ID: build-test-flask-webapp-key
   • Username: git
   • Private Key: Select "Enter Directly" then click "Add", pasting the output of private key.
3. Click "Create".

Create kubernetes secret for pushing container image

kubectl create secret docker-registry build-test-flask-webapp \
-n devops-tools \
--docker-server=harbor.ischool.syr.edu \
--docker-username='robot$ist_admins+jenkins_push' \
--docker-password=<REDACTED>