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Using open source tools to support Continuous Delivery Stefan Teixeira @stefan_teixeira [email protected] stefanteixeira.com.br stefanteixeira.com

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• QA Automation Engineer @ Toptal • Tech blogs: stefanteixeira.com.br (pt-br) / stefanteixeira.com (en) Contact: • E-mail: [email protected] • Twitter: twitter.com/stefan_teixeira • LinkedIn: linkedin.com/in/stefanteixeira • GitHub: github.com/stefanteixeira • SlideShare: slideshare.net/stefanteixeira About

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Context

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Context • Java application (Spring Boot)

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Context • Java application (Spring Boot) • Server-side only

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Context • Java application (Spring Boot) • Server-side only • Integrations with other internal applications

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Modeling Pipelines

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GoCD • Created by ThoughtWorks https://www.go.cd/ | https://github.com/gocd/gocd

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GoCD • Created by ThoughtWorks • Open-source (since February 2014) https://www.go.cd/ | https://github.com/gocd/gocd

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GoCD • Created by ThoughtWorks • Open-source (since February 2014) • Focused on Continuous Delivery https://www.go.cd/ | https://github.com/gocd/gocd

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The power of the right abstractions

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Pipelines are first-class citizens

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But why not use Jenkins?

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Some Jenkins issues • Plugin hell

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Some Jenkins issues • Plugin hell • Lack of more abstraction levels

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Some Jenkins issues • Plugin hell • Lack of more abstraction levels • CD support only via plugins

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https://www.thoughtworks.com/pt/radar/tools/jenkins-as-a-deployment-pipeline

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Deployment Pipeline

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Deployment Pipeline

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Manual steps

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docker-tag

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docker-tag docker-push

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Mutators example (PIT)

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X

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App 1 App 2 App 2 Simulator X

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X

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App 1 App 2 Simulator App 2 X

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SSH

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SSH

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App 1 SSH

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App 1 App 2 App 3 App 4

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SSH

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SSH

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SSH

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SSH

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SSH

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SSH

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https://github.com/cyberdyne-corp/skynet/tree/poc-bluegreen-nginx

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https://github.com/cyberdyne-corp/skynet/tree/poc-bluegreen

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Other tools

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http://locust.io/

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https://github.com/dashing-io/dashing

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References • Blue-Green deployment: • https://technologyconversations.com/2015/07/02/scaling-to-infinity-with-docker- swarm-docker-compose-and-consul-part-34-blue-green-deployment-automation-and- self-healing-procedure/ • https://github.com/cyberdyne-corp/skynet/tree/poc-bluegreen-nginx • https://github.com/cyberdyne-corp/skynet/tree/poc-bluegreen • Tools: • https://www.packer.io/ • https://www.go.cd/ • https://www.terraform.io/ • https://www.consul.io/ • https://www.ansible.com/ • http://gliderlabs.com/registrator/latest/ • http://pitest.org/ • http://rest-assured.io/ • http://sparkjava.com/ • http://locust.io/

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Thanks! Stefan Teixeira @stefan_teixeira [email protected] stefanteixeira.com.br stefanteixeira.com