Aws devops services - Kabrinskiy Eduard
<h1>Aws devops services</h1>
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<h1>Top AWS DevOps Tools for Cloud Build and Deployment</h1>
<p><strong>Best Amazon AWS DevOps Tools: A pipeline</strong>, <strong>source code repository, build and deployment</strong> <strong>with Amazon Web Services</strong></p>
<p>When I started my software career around 20+ years back the infrastructure (Software and Hardware) for any kind of development and deployment had to be procured.</p>
<p>This included placing order with the vendor for servers, waiting for a certain amount of time to get the same, once delivered server space had to be reserved, installation of the server, operating system, storage configuration etc. We also had to be worried about performance, availability (24*7), maintenance, network etc.</p>
<p>This was too much effort involved in bringing up a server for activities of development and deployment of applications.</p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2019/02/BEST-AWS-DEVOPS-TOOLS.png" /></p>
<p>What You Will Learn:</p>
<h3>Evolution of Cloud Computing</h3>
<p>Things had to change with the evolution of Cloud Computing which means you access all your applications and databases over the internet. So Cloud Computing providers maintain all of the hardware that is needed to run your web application.</p>
<p>All the resources with an appropriate configuration that you need to host your application are available within a click. Time is drastically reduced for making available the resources for developers. Most importantly you pay only for what you need to use.</p>
<p>The focus for developers using Cloud-based services is only on what they need to work on our projects and not to worry about infrastructure availability. I am not getting into types of cloud computing (IaaS, PaaS, SaaS) there are tons of information available over the internet to describe what they are.</p>
<p><strong>There are many cloud providers. But the 3 most popular ones that I have worked with are:</strong></p>
<p><ul>
<li>Amazon Web Services</li>
<li>Microsoft Azure</li>
<li>Google Cloud</li>
</ul>
</p>
<p>In this section, I will put my focus on tools for <strong>a pipeline</strong>, <strong>source code repository, build and deployment</strong> with <strong>Amazon Web Services</strong>. Not to forget that teams still use DevOps tools like Jenkins, Git, Maven, and others.</p>
<p>So it is imperative that while teams may want to move their assets and artifacts to cloud infrastructure we also need to maximize their existing investments in tools and data with integrations/migrations as far as possible.</p>
<p>Click here to learn about AWS and the various services for Architects, Developers, and SysOPS. We will use the free account for the tools mentioned but of course, in a production environment, you will need to procure the services for use.</p>
<h3>Build and Deployment using AWS Tools</h3>
<p><strong>From a Build and Deployment point of view, we will look at the following AWS services</strong> </p>
<p><ul>
<li>AWS CodePipeline</li>
<li>AWS CodeCommit</li>
<li>AWS CodeBuild</li>
<li>AWS CodeDeploy</li>
</ul>
</p>
<h4>1. AWS CodePipeline</h4>
<p>AWS CodePipeline is similar to the Jenkins Pipeline which helps to have a visual view of the end to end delivery process.</p>
<p><strong>So in a CodePipeline, you will typically configure the following</strong></p>
<p><ul>
<li><strong>Source Code Repository</strong> ? So your source code would need to be either in AWS CodeCommit or GitHub repository.</li>
<li><strong>Build Service</strong> ? AWS CodeBuild details will be configured as part of the pipeline.</li>
<li><strong>Deploy</strong> ? AWS CodeDeploy will be configured into the pipeline.</li>
<li>During the deploy process to different environments if any approvals are needed they could be configured as well</li>
</ul>
</p>
<p>So if there is a code change by the developer the visual representation of Build and Deploy can be seen to be automated.</p>
<p><strong>Source code repository configuration in AWS CodePipeline</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image016-1.png" /></p>
<p><strong>Build configuration in AWS CodePipeline which uses Maven build</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image017.png" /></p>
<p><strong>Deployment configuration in AWS CodePipeline</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image018.png" /></p>
<p><strong>Complete Execution is seen in AWS CodePipeline</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image019.png" /></p>
<h4>2. AWS CodeCommit</h4>
<p>AWS CodeCommit is a secure online version control service which hosts private Git repositories. A team need not maintain their own version control repository instead they use AWS CodeCommit to store their source code or even binaries like the WAR/JAR/EAR files generated out of the build.</p>
<p>With AWS CodeCommit you create a repository and every developer will clone it to their local machine, add files to it and push it back to the AWS CodeCommit repository. One uses the standard GIT commands with the AWS CodeCommit repository.</p>
<p>For <strong>E.g.</strong> once the AWS CodeCommit repository is cloned to local machine you would use commands like ?git pull?, ?git add?, ?git commit?, ?git push? etc..</p>
<p><strong>Illustrative AWS CodeCommit empty repository created</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image020.png" /></p>
<p><strong>Clone the repository to the local machine</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image021.png" /></p>
<p><strong>Files added to AWS CodeCommit repository</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image022.png" /></p>
<h4>3. AWS CodeBuild</h4>
<p>As we have seen the source code and other project artifacts are stored in AWS CodeCommit repository.</p>
<p>To implement Continuous Integration AWS CodeBuild like Jenkins fetches the latest changes of the source code from AWS CodeCommit or GitHub repository as configured and based on the build specification YAML file (created as buildspec.yml) the commands are run based on the four phases like Install, Pre-build, Build and Post-build.</p>
<p>Once the build is completed the artifacts (WAR/ZIP/JAR/EAR) are stored in the AWS Storage which is an S3 bucket.</p>
<p><strong>Sample buildspec.yml file</strong> </p>
<p><strong>Sample AWS Codebuild project</strong> </p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image023.png" /></p>
<p><strong>Build Success</strong> </p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image024.png" /></p>
<p><strong>Artifact (WAR file) copied to S3 bucket</strong> </p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image025-1.png" /></p>
<h4>4. AWS CodeDeploy</h4>
<p>As the name suggests AWS Codedeploy is the deployment service which automates the deployment of the application (in this case WAR file) to the Amazon EC2 Linux or Windows instances.</p>
<p>Since we now have the artifacts stored in S3 bucket which was completed using AWS CodeBuild the artifacts are then picked up from the S3 bucket and deployed appropriately to the app server Tomcat or JBoss etc. in the AWS EC2 instance provisioning.</p>
<p>AWS CodeDeploy depends on a YAML file called appspec.yml which has instructions on the deployment to the EC2 instances.</p>
<p><strong>Sample appspec.yml file where the index.html file is copied and deployed to the Apache server</strong></p>
<p><strong>before_install</strong> script</p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image026.png" /></p>
<p><strong>restart_server</strong> script</p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image027.png" /></p>
<p><strong>GitHub repo of all files needed to run AWS CodeDeploy</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image028.png" /></p>
<p><strong>Deployment execution in AWS CodeDeploy</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image029.png" /></p>
<h3>Jenkins Integration with AWS Services</h3>
<p>As mentioned earlier, nowadays teams are using Jenkins much as the defacto CI tool and in most case,s they would not really like to move away from it but rather integrate with the AWS services which we discussed. While there are certain procedures involved and I have shown screenshots of the integration.</p>
<p><strong>1. Jenkins integration with AWS CodeCommit</strong> </p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image030.png" /></p>
<p><strong>2. Jenkins integration with AWS CodeBuild</strong> </p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image031.png" /></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image032.png" /></p>
<p><strong>3. Jenkins integration with AWS CodeDeploy</strong> </p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image033.png" /></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image034.png" /></p>
<p><strong>Putting it All Together for AWS DevOps Stack:</strong> </p>
<p><strong>The stack looks below for the AWS services that are discussed above.</strong></p>
<p style="clear: both"><img src="https://cdn.softwaretestinghelp.com/wp-content/qa/uploads/2018/07/image035.png" /></p>
<p>Hope this tutorial on, tools for <strong>a pipeline</strong>, <strong>source code repository, build and deployment</strong> <strong>with Amazon Web Services, was helpful to you.</strong> </p>
<h2>Aws devops services</h2>
<h3>Aws devops services</h3>
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<h4>Aws devops services</h4>
Best Amazon AWS DevOps Tools: Tools for a pipeline, source code repository, build and deployment with Amazon Web DevOps tools and Services.
<h5>Aws devops services</h5>
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