DevOps on AWS
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The document discusses the integration of DevOps practices with AWS infrastructure, emphasizing the need for agility in software development to meet evolving business demands. It covers key concepts such as Infrastructure as Code, Continuous Deployment, and Monitoring, highlighting AWS services like CloudFormation, CodeDeploy, and CloudWatch that facilitate these practices. The conclusion underscores the importance of adopting DevOps principles to enhance efficiency and collaboration in cloud environments.
DevOps on AWS
- 2. productURL | 2HEADER STYLE 1 // HEADER STYLE 2 Contents Abstract............................................................................................................................ Introduction..................................................................................................................... Agility & DevOps............................................................................................................... Infrastructure as Code..................................................................................................... ContinuousDeployment................................................................................................... Monitoring........................................................................................................................ Company Profile............................................................................................................... 1 3 3 4 5 8 9 IMAGE OR IMAGES
- 3. Abstract Rapidly evolving customer needs and accelerating innovations are forcing businesses to be increasingly agile. To facilitate overall business goals, time to market is the key. Over the years the software development life cycle has moved from the patented waterfall model to agile methodology. These improvements have a rippling effect downstream towards IT operations, as the DevOps practice is embraced. AWS, being the primary player in Cloud, supports numerous DevOps principles & practices, which can be capitalized for an improved software development life cycle. Idexcel, being a partner of AWS, focuses on DevOps principles and practices. Introduction DevOps is a practice focusing on collaboration between the development team & IT operations. It is a philosophy that ushers in cultural change. The mismatch of goals between the development team & IT operations can lead to conflicts, resulting in the business to suffer. These conflicts are melting down, following a series of systematic approaches: • Infrastructure as code • Continuous deployment • Automation • Monitoring • Security The article focuses on services & features exposed by AWS to enable the entire end-to-end DevOps solution on Cloud Environment. Agility & DevOps Agile software development primarily focuses on the collaboration between businesses and developers; DevOps focuses on the collaboration between developers, IT operations and security teams. As Agile Software Development provides business agility, DevOps provides IT agility, enabling the delivery of reliable & predictable applications. DevOps focuses on code, testing, packaging, and deployment. With infrastructure, on the other hand, DevOps focuses on provisioning, configuration, orchestration, and deployment, keeping the underlying basic principle of project delivery unchanged. DevOps on AWS Whitepaper 3
- 4. 4DevOps on AWS Whitepaper IMAGE Subjects of Interest Infrastructure as Code (IaC): The process of managing and provisioning computing infrastructure (processes, bare-metal servers, virtual servers, etc.) and their configuration through machine processable definition files, rather than physical hardware configuration or the use of interactive configuration tools. IaC can be implemented in AWS using: • AWS CloudFormation Infrastructure as Code (IaC) DevOps treats infrastructure the same way developers treat code. Practicing IaC means applying the principle of application code development to infrastructure provisioning. All configurations need to be defined in a specific format and stored in a code repository. AWS provides multiple options to facilitate DevOps way of creating infrastructure. The company provides services that enable the creation, deployment and maintenance of infrastructure in a programmatic way. These services provide rigor, clarity, and reliability. AWS Cloud Formation The core example of DevOps practice is AWS Cloud Formation. Cloud Formation templates allow users to define & model AWS resources that can be created or updated. A simple JSON formatted template needs to be written with a specific syntax and structure, which varies depending on the types of resources chosen. The stack can be created or updated from AWS console or can be integrated with an orchestration tool like Jenkins. Events are displayed along with the stage of progress and in case of any error, the stack is rolled back. AWS Cloud Formation makes it easy to provision a collection of AWS resources and describe any dependencies or pass in special parameters when the stack is configured. AWS Cloud Formation is a free service; only normal rates are levied for the AWS resources. Simply put, whatever AWS Cloud Formation creates, only that is billed. Planning Requirement Use Case Design code Unit Test Bug Fix Provision Configure Orchestrate Deploy Monitor The key to following the continuous delivery path is to continually question your own assumptions about what’s possible.” -Jeff Sussna
- 5. 5DevOps on AWS Whitepaper Continuous Deployment (CD) Continuous deployment is another core concept in a DevOps strategy. Its primary goal is to enable the automated deployment of a production-ready application code. Sometimes continuous deployment is referred to as continuous delivery. The only difference is that continuous deployment usually refers to production deployments. By using continuous delivery practices and tools, software can be deployed rapidly, repeatedly, and reliably in test, staging & production environments. If a deployment fails, it can be automatically rolled back to its previous version. AWS Code Deploy The core features of AWS Code Deploy provide the ability to deploy applications of virtually any programming language across an AWS EC2 fleet with minimum downtime. It can be integrated with existing continuous integration tool and be a part of the existing software release & delivery process. IMAGE Subjects of Interest Continuous Deployment (CD): It is a software engineering approach in which the teams produce software in short cycles, ensuring that the software can be reliably released at any time. It aims at building, testing, and releasing software faster and more frequently. CD in AWS can be implemented using: • AWS CodeDeploy Check In Trigger Feedback Check In Trigger Feedback Check In Trigger Trigger Trigger Feedback Feedback Version ControlDelivery Team Buid & United Tests Automated Acceptance Tests User Acceptance Tests Release Feedback Approval ApprovalFeedback
- 6. 6DevOps on AWS Whitepaper AWS Code Pipeline AWS Code Pipeline is a continuous delivery and release automation service that aids smooth deployment. Custom Development Workflow can be designed for checking any code, building it, as well as deploying and pushing it into the staging, testing and production phase. A custom tool like Jenkins can be integrated with the AWS Code Pipeline. AWS Code Pipeline provides rapid delivery of features; it also maintains high quality by adapting to the automation of your build, test, and release process. Source Developers commit Changes Changes Updates Fixes Ideas Requests Bugs Developers Customers Build Changes are built Staging Code is deployed and tested Staging Code is deployed to public servers AWS Code Commit Code Commit is a secure, scalable, managed source control service from AWS. It eliminates the need of managing your own source control system as well as relieves you from any worries of scaling the infrastructure. Team using local GIT repositories can clone using Code Commit to allow seamless deployment in AWS instances. AWS Code Commit has several benefits: • Fully managed • Able to store anything • Readily available • Offers faster development lifecycles • Works with your existing tools • Secure Subjects of Interest Continuous Deployment (CD): contd. • AWS Code Pipeline • AWS Code Commit
- 7. 7DevOps on AWS Whitepaper AWS BeanStalk Bean Stalk is AWS’s answer to automation. AWS Elastic Bean Stalk is an application container that makes it easy and productive for developers to deploy applications into commonly used technology stacks. AWS Elastic Bean Stalk supports automation and numerous other DevOps best practices including automated application deployment, infrastructure configuration, and version management. Depending on the platform, all you need to deploy applications is to upload packages in the form of .war or .zip files directly from your computer or from Amazon S3. Subjects of Interest Continuous Deployment (CD): contd. • AWS Bean Stalk • AWS Ops works AWS Ops Works Ops Works takes the principles of DevOps a step ahead of Bean Stalk. AWS Ops Works provides different levels of automation with additional features like integration with configuration management software (Chef) and application lifecycle management. You can use application lifecycle management to define how resources are set up, configured, deployed, un-deployed, or terminated. Out of the box, AWS Ops Works also simplifies setting up Auto Scaling groups and Elastic Load Balancing load balancers, further illustrating the DevOps principles of automation.
- 8. 8DevOps on AWS Whitepaper Subjects of Interest Monitoring: Monitoring the deployment and infrastructure is an integral part of DevOps. Proper monitoring and timely information can eliminate all unwanted issues that arise due to overload or any other errors. Monitoring in AWS can be performed using: • AWS CloudWatch Conclusion: In order to make the journey to the cloud smooth, efficient and effective, technology companies should embrace DevOps principles and practices. These principles are embedded in the AWS platform. Indeed, they form the cornerstone of numerous AWS services, especially those in the deployment and monitoring offerings. With AWS as your chosen environment, your DevOps principles will bring agility to your business and IT organization and accelerate your journey to the cloud Monitoring Communication and collaboration is fundamental in a DevOps strategy. To facilitate this, feedback is critical. In AWS, feedback is provided by the core service: Amazon CloudWatch. It provide a robust monitoring, alerting, and auditing infrastructure to help developers and operations teams work together closely and transparently. AWS Cloud Watch AWS Cloud Watch monitors all AWS resources in a real time manner along with the applications running on them. Resources and applications can produce metrics that Amazon Cloud Watch collates and tracks. Alarms can be configured to send notifications as and when events occur. Amazon Cloud Watch provides feedback; it also supports the DevOps concept of automation. AWS services such as Auto Scaling rely on Cloud Watch for notifications that trigger appropriate automated actions such as scaling up and scaling down Amazon EC2 instances.
- 9. 9DevOps on AWS Whitepaper Company Profile Idexcel is a global IT Services firm specializing in core areas of development services that deliver a wide range of resources and technology solutions to corporate clients. For more than 19 years, Idexcel has been achieving excellence by delivering high quality custom application development services, innovative testing solutions, and providing competitively priced IT staffing services to our esteemed clients. Our name, “Idexcel”, is a representation of our core principle “Ideas for Excellence”. We are relentlessly driven by results and take pride in our customer centric engagement models. We blend our clients’ needs with proven delivery models and highly talented execution teams to deliver outstanding results. Headquartered in Herndon, Virginia, Idexcel has offices and delivery locations in the US, Europe and Asia Pacific supporting global clients. 459 Herndon Parkway Suite 11 Herndon, VA 20170 Tel: 703-230-2600 Fax: 703-467-0218 Email: [email protected] © 2017 idexcel Technologies. All Rights Reserved.