On the DevOps environment, AWS CodeStar, Azure DevOps and Jenkins have a wide variety of features to enhance the process of Continuous integration and Continued development. According to the business requirements, each tool helps to provide software delivery, monitoring and frequent updates in a timely manner.

Azure DevOps

Azure DevOps tool of Microsoft Azure provides version control, reporting, project management, auto-building features, testing and releasing. It has Kanban boards, an extension ecosystem and workflows. This developer tools set allows a developer to create a CI/CD pipeline from the source to the servers.

Components of Azure DevOps are Pipelines, Azure Boards, Azure Artifacts, Azure Repos and Azure Test Plans.

Pipelines: Build, test and deploy applications in any language like JavaScript or Python or on any cloud platform like Azure, AWS, GCP etc is the main activity of this component.

We can use this tool to deploy applications on containerized platforms like Kubernetes. Azure Pipelines integrates with version control systems like Github and subversion and deploys code to any target even VMs.

• Azure Boards: It helps to track work with configurable boards, planning tools and interactive backlogs. Also, used for tracking ideas in different developmental stages.

• Azure Artefacts: Packages sharing from public and private sources with the entire team can be done with the help of this tool. A user can integrate packages with CI/CD pipeline in a truly efficient way.

• The Azure Repos: Azure repositories provide Git hosting with unlimited repositories. Its further connect with any integrated development environment, Git client or nay editor. 

Application programming interface integration can be done with this tool.

• Azure Test Plans: It comes with manual testing tools and a user can test their servers or application. We can capture data during test execution.

Some of the features of Azure DevOps are Agile Tool, Reporting and Git support and other integration tools supported by Azure are GitHub, Git, Docker, Slack, Jenkins, Trello, Visual Studio etc

Source: https://docs.microsoft.com/en-us/azure/devops/organizations/settings/about-settings?view=azure-devops

AWS CodeStar

AWS CodeStar helps users to develop, build, and deploy applications within the AWS environment. In AWS infrastructure, it provides a single interface for all software development activities.

CodeStar is a continuous delivery toolchain to release code updates quicker and it also provides an integrated authorization mechanism to control access for owners, contributors, and viewers for the project.

From the project dashboard, a user can track the progress of the software development in different aspects. 

The component of different AWS DevOps tools is AWS CodePipeline, AWS CodeDeploy, AWS CodeBuild and AWS CodeStar.

AWS CodePipeline: AWS CodePipeline is a continuous integration and continuous delivery tool used for fast and reliable application and infrastructure updates. 

It helps build, test, and deploys the code once a new code or version is released. CodePipeline enables users to get quickly and reliably deliver new version features and updates.

AWS CodeDeploy: AWS CodeDeploy helps code deployments to any instance, including AWS EC2 or on-premises servers. The downtime during application deployment can be avoided by this tool. 

The complexity of updating the application is not a concern with this tool.

AWS CodeBuild: AWS CodeBuild is a fully managed build service which can be used to compile source codes, run tests, and produce applications that are ready to deploy. 

The provisioning, managing and scaling of the build service can be done by this tool. CodeBuild continuously scales and processes multiple builds at a time.

AWS CodeCommit: It hosts Git repositories that stores source code to binaries. It allows developers to browse and edit code online for projects in a secured way.

AWS CodeStar: AWS CodeStar enables users to quickly develop, build and deploy applications on AWS. It provides a unified user interface enabling developers to manage development activities in one place.

Features of AWS DevOps are Workflow Modeling, AWS Integration and Pre-built Plugins etc

Integration tools available are Atlassian JIRA, GitHub, Jenkins, Amazon EC2, Amazon S3, AWS Elastic Beanstalk, Run Scope, CloudBase etc

Other features:

Project templates, Team access management, Hosted Git repository, Fully managed build service, Automated continuous delivery pipeline, Automated deployments, IDE integrations and Central project dashboard

Source: https://aws.amazon.com/codestar/features/

Jenkins:

Jenkins is a Java-based Opensource CI tool. It provides a path for application APIs, software libraries, builds tools, etc. to plug into Jenkins.  It executes, does continuous tests and automates the deployment of codes. In order to automate the tasks, it provides with various tools and interfaces. 

Jenkins can integrate with all cloud providers and applications, such as GitLab, GitHub, Artifactory etc

Key Features:

Jenkin will build and test code multiple times.

Automated build and test process and very efficient

Quick development cycles

Multiple Plugins support which can be integrated into every tool in the CI/CD chain

Able to distribute works across multiple platforms

Extensibility and price

Jenkins Pipeline:

Jenkins Pipeline is a plugin which helps implementing and integrating CD pipelines into Jenkins. 

The process involves building software efficiently and repeatedly through multiple stages of testing and deployments.

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