Unleashing Jenkins: Mastering the Art of Scaling with Agent Magic Day - 28


2 min read

Jenkins, the orchestral maestro of automation, steps into the limelight in the grand theater of CI/CD. Yet, as projects evolve into epics, the true crescendo lies in scaling Jenkins through the mystical bond of master-to-agent connection.

Embark on the Journey

Envision a pristine Ubuntu 22.04 Linux canvas, a playground for the Jenkins symphony. Let's compose the masterpiece:

๐Ÿš€ Step 1: Install Java and Docker

Blend the right concoction with Java and Docker:

sudo apt update
sudo apt install openjdk-<version>-jdk
sudo apt install docker.io

๐ŸŒ Step 2: Create an AWS Symphony

Summon an AWS EC2 instance โ€“ your loyal ally in the cloud kingdom. Fortify its citadel with the magic of SSH.

๐Ÿ—๏ธ Step 3: SSH Key Sorcery

Craft an SSH key pair on your Jenkins master server:

ssh-keygen -t rsa

๐Ÿค Step 4: Agent-Master Connection Dance

Decipher the ancient scrolls in this guide to weave the intricate dance of SSH connection between your Jenkins master and the newfound EC2 ally.

๐ŸŒŸ Step 5: Verify the Bond

Visit the sacred "Nodes" section in your Jenkins sanctuary. Behold! Witness the triumphant listing of the newly anointed agent. The bond is sealed.

Task-02: Unleash the Magic

With the agent by your side, it's time to wield Jenkins' magic for your bidding.

๐Ÿ”– Step 1: Labels Enchantment

Bestow labels upon your agent, turning it into a beacon of recognition.

๐Ÿš€ Step 2: Trigger the Spell

Command your existing Jenkins jobs to heed the call of the label associated with the agent. Behold, as the jobs transcend to the agent's realm for execution.

๐Ÿš‘ Step 3: Troubleshooting Incantations

In the arcane arts of Jenkins, challenges may arise. Fear not! Seek guidance from the wizards in community groups, Discord, or Telegram. The Jenkins realm is vast, and help is but a summon away.

Finale: Jenkins Unleashed

As the curtains fall, you've witnessed the spectacle of scaling Jenkins, orchestrating a harmonious symphony between master and agent. This scalable setup beckons a new era of efficiency, where parallel job execution reigns supreme.

Stay tuned, for in future chronicles, we delve deeper into advanced Jenkins configurations and unveil secrets for orchestrating grandeur in large-scale deployments.

Ready your wands, fellow Jenkins sorcerers. The journey has just begun!