Thursday, September 28, 2023

CICD Process Flow Diagram | Implement CICD using Azure DevOps, SonarQube, Artifactory and Slack

 CICD Process Flow Diagram - How to Implement CICD using Azure DevOps?

Azure DevOps is a set of development tools and services offered by Microsoft to facilitate the entire software development lifecycle (SDLC). Azure DevOps is designed to support collaboration among development and operations teams, automate various aspects of the software development process, and enable continuous integration and continuous delivery (CI/CD) pipelines.

What is Continuous Integration?

Continuous integration is a DevOps software development practice where developers regularly merge their code changes into a central repository, after which automated builds and tests are run.

The key goals of continuous integration are to find and address bugs quicker, improve software quality, and reduce the time it takes to validate and release new software updates.

Azure DevOps is widely used for implementing CICD. Azure DevOps can integrate with other tools using Add-ons.

How does Continuous Integration Work?

Developers frequently commit to a shared repository using a version control system such as Git. Prior to each commit, developers may choose to run local unit tests on their code as an extra verification layer before integrating. A continuous integration service automatically builds and runs unit tests on the new code changes to immediately surface any errors.

Benefits of Continuous Integration
  • Improve Developers productivity 
  • Find bugs early in the software development stage
  • Deliver products into market place sooner
  • Improve the feedback loop
What is Continuous Delivery?

Continuous delivery is a software development practice where code changes are automatically prepared for a release to production. Continuous delivery is the next extension of continuous integration. The delivery phase is responsible for packaging an artifact together to be delivered to end-users. This phase runs automated building tools to generate this artifact.

Benefits of Continuous Delivery
  • Automate the Software Release Process
  • Improve Developer Productivity
  • Find bugs early in the software development stage
  • Deliver updates faster

Tuesday, September 5, 2023

How to Automate Infra setup in Azure Cloud using Terraform and Azure DevOps Pipeline | Automate App Service or Web App creation in Azure cloud using Terraform and Azure DevOps Pipeline and store Terraform state remotely

Automating infrastructure setup in Azure Cloud using Terraform and Azure DevOps is a powerful approach to managing your infrastructure as code (IaC). This allows you to define and manage your Azure resources programmatically, version control your infrastructure configurations, and automate the deployment process. 

We will be creating a Java based WebApp(app service) in Azure cloud using Terraform and automate the process using Azure Devops Pipelines.

Watch Steps in YouTube channel:

Implementation Steps:
  • Create a resource group first in Azure cloud
  • Create storage account, container for Terraform to store state information in Azure cloud remotely.
  • Create pipeline and add Terraform tasks
  • Execute pipeline to deploy resources(App service plan and WebApp) in Azure cloud
  • Verify resources are created in Azure cloud
  • Confirm if the terraform.tfstate file is updated
Create Resource Group in Azure cloud

Login to Azure portal, Create a new RG, or you can skip this step if you already have existing group.

Create Storage Account in Azure cloud
Create a new resource, type storage account

Click on create
select RG, enter unique account name, select standard as performance, select locally redundant storage

Click on create

Create a container inside the storage account
Select the storage account you just created, click on containers under Data storage

enter a name for the container

Create a pipeline in Azure DevOps
Login to Azure Devops, select Pipelines, select use the classic editor to create a pipeline

Configure Pipeline with tasks

Add Terraform installer task to install Terraform on build agent

Add Terraform task 

Configure the task

enter storage account, container, key information as below:

Add terraform tasks to plan, apply
Add Terraform task for plan
change the command to plan from drop down and also select azure subscription from drop down

Add Terraform task for apply
change the command to apply from drop down and also select azure subscription from drop down

Now verify to make sure if we have correct values in each/every task. Now click on Save + Queue.

Click on Save and Run

This confirms that pipeline have successfully created resources in Azure cloud. You can login to Azure portal to see the resources - app service plan and web app.

You can also verify terraform state info which has resources entry for all the resources created
Click on Containers, mytfstatecontainer
Click on terraform.tfstate
Click on Edit to view the content of terraform state file

Clean up resources created in Azure using the pipeline - destroy command

change the command to destroy instead of apply from the drop down

You can either add a new task for destroy or modify to destroy from apply in the existing task.

Now save the pipeline and run the pipeline. check the output of destroy task

Check terraform.tfstate file after destroy.

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