Jenkins Master-Slave Setup for Pactap
Company Overview
Pactap is a company that needed an automated, scalable solution for their CI/CD pipeline to streamline their development, testing, and deployment processes. To meet their requirements, We have configured a Jenkins master server and four dedicated Jenkins slave servers. These servers were set up to handle the different environments, ensuring smooth API deployment and management across various stages of development and production.
Objective:
The goal of this project was to configure a robust Jenkins environment where each server could handle specific tasks, from development to production, with a focus on API deployment. The solution aimed to automate the build, test, and deployment processes across various servers to ensure faster and more reliable delivery of APIs.
Server Setup:
- Jenkins Master Server:The Jenkins Master server serves as the central point for managing Jenkins jobs, orchestrating deployments, and coordinating the execution of tasks across the slave servers.
- Jenkins Slave Servers:Four slave servers were set up to handle different environments and tasks in the CI/CD pipeline:
- Development Server: Dedicated to building and testing six APIs for the development environment.
- Prod-Admin Server: Handles two APIs related to the admin panel of the production environment.
- Prod-Used Server: Manages two APIs used for live production services.
- Prod-Vendor Server: Responsible for two APIs related to vendor management in the production environment.
API Deployment:
- Development Server: The development server manages six APIs. It is used for the integration and testing of APIs during the development phase. Jenkins jobs on this server pull the latest code, run tests, and prepare the build for the production environment.
- Production Servers (Prod-Admin, Prod-Used, Prod-Vendor): Each of these production servers hosts two APIs. They are configured to deploy and manage these APIs in the live environment. Each of the production servers ensures that only stable and tested APIs are deployed, preventing the risk of deployment failures.
Workflow:
- Code Commit:Developers commit their code to the version control system (VCS). The Jenkins master triggers jobs on the development server to initiate the build process.
- Build and Test:On the development server, Jenkins pulls the latest code, performs builds, and runs unit tests to ensure code integrity. If successful, the build is moved to the staging environment for further testing.
- Deployment to Production:Upon successful testing, Jenkins automates the deployment of the APIs to the respective production servers (prod-admin, prod-used, prod-vendor). Jenkins handles deployment by connecting with each server, pulling the code, and ensuring that it’s correctly placed in the production environment.
- Monitoring and Rollback:After deployment, Jenkins provides real-time feedback on the status of the deployments. If any issue arises in production, Jenkins automatically rolls back to the previous stable version to minimize downtime.
Benefits:
- Scalability: By setting up multiple slave servers, the Jenkins environment can easily scale with more APIs or environments, without overwhelming the master server.
- Automation: The entire process of build, test, and deployment is automated, reducing human error and speeding up the deployment process.
- Reliability: With dedicated servers for different environments, the risk of conflicts and failures is minimized, ensuring that APIs are deployed in a controlled, consistent manner.
- Seamless Production Deployment: With automated deployments across the different production servers, updates to APIs are rolled out efficiently, reducing downtime and ensuring consistent production environments.
Conclusion:
By setting up a Jenkins master-slave architecture for Pactap, I helped the company achieve a scalable, automated, and efficient deployment pipeline. This setup not only streamlined the process of API deployment but also ensured that the production environment remained stable and consistent. The use of Jenkins slaves for different environments allows for a clear division of tasks, ultimately improving the overall development and deployment cycle.
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