Continuous Delivery with AWS Services
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Continuous delivery is a software development practice where code changes are automatically built, tested, and prepared for a release. The document discusses the prerequisites, artifacts, and process for continuous delivery from development to testing environments. Key aspects include infrastructure setup using tools like AWS OpsWorks, committing code to branches for different environments, updating configuration scripts, and deployments that are automated, tracked, and can rollback on failure. The goal is to continuously deploy changes through environments with integration and testing at each stage.
Continuous Delivery with AWS Services
- 2. What is it ? *Image source: http://blog.crisp.se/2013/02/05/yassalsundman/continuous-delivery-vs-continuous-deployment
- 3. Complete Picture *Image source: http://www.strategybeach.com/wp-content/uploads/2014/01/Capture3.png
- 4. Pre-requisites : Environment Formation 1. Formation of the environment infrastructure. - (No of instances, DBs, ELBs, other services - AWS Opsworks/Cloudformation is used) 2. Runtimes and necessary agents will be installed. - (JRE, CodeDeploy Agent, Opsworks Agent)
- 5. Artifacts of a Deployment 1. Environment based configurations - CM server is needed ( eg:- puppet, chef (opsworks) ) 2. DB Scripts 3. External dependant configurations. (eg:- API creations in API Cloud, Adding Fields in safenet) 4. Application Artifacts. (Jars, Wars) Anything else ?
- 6. What we have to do ? 1. Write the code well :). 2. Review the code. 3. Commit to a deployment branch (eg:- Dev) 4. Update the configuration scripts (if any) in Chef (opsworks).
- 7. Continuous Deployment Process per Env Build Unit Test Update Config Repo Trigger Deployment Config Deployment Application Deployment Locate the Deployment Group Instances Notify the Instances Cleans previous Deployment Run Pre Deployment Scripts (eg:- db) Send Notifications Start Application Run Integration Test ???
- 8. Deployment Concerns 1. Rolling Deployments. (One at a time) 2. Deployment Failures ? - Rollback to previous version. 3. Auto-scalled a new instances. Handles them all
- 9. Demo How the formation is done using OpsWorks…. Simple deployment consider my computer as the Jenkins…… How the progress is tracked via Code-Deploy/Emails…..
- 10. Dev->QA->STG 1. Do the developer testing in Dev Env. 2. If everything is looks good. Merge the code to QA branch. 3. Above cycle continues and deployments will be available in QA. 4. QA tests. 5. Merge the things to STG Branch. 6. Deployment will be available in STG 7. To Prod ? Continuous Deployment ? Your thoughts ?
- 11. What is next ? Integrate with our GIt Lab Needs a orchestrator to view the progress - Integrate with JIRA Integrate with TPAAS env ? Or New environment ?