Scania's DevOps Journey to Microservices and Continuous Delivery
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DevOps is a software development methodology that emphasizes communication, collaboration, integration and automation. The DevOps movement at Scania is yet in its early stages, but from the very beginning, the Development and Operations teams have been working in close collaboration. I’ll present key takeaways on how best to proceed with implementing a DevOps culture within a large globally dispersed IT department.
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Scania's DevOps Journey to Microservices and Continuous Delivery
- 1. Scania: A DevOps journey in an Enterprise Anders Lundsgård Technical Architect, Scania CV
- 2. 2 Who am I? Anders Lundsgård • Developer & Technical Architect (Senior Engineer) • Scania Connected Services, Delivery Engineering Team
- 3. 3 Software evolution at Scania ‘90s Spaghetti Code ‘00s Growing monoliths ‘10s Microservices era
- 4. 4 Disclaimer The opinions expressed in this presentation and on the following slides are solely those of the presenter and not necessarily those of Scania as a whole.
- 5. We at infra need to be an enabler for developers. Enable automatic deployments and roll-backs. Creating tools/dashboards with relevant KPI’s so that the developer can fast and easily see the consequences of a deployment. - Mattias Järnhäll, Infrastructure manager 2014.03.03 on Scania social network
- 6. DevOps movement More features quicker Stability
- 7. Shared understanding and common goals
- 10. CODE IN PROD PENDING CODE NEW FEATURES Customer Value Limit Work In Progress
- 11. Version Control Pull & Push several times a day Continuous Integration and Deployment Target Servers (Dev, Staging, Prod) Version Everything - Code - Tests - Configuration - Database - Infrastructure 15 minutes Automation – Deployment Pipeline
- 12. Pipeline Tests Code ‘90s ‘00s ‘10s Software Delivery Through the Decades
- 13. 13 Enterprise IT challenges – One size does not fit all ? ! I have an app. Can you install it for me? Can you help me to help myself?
- 14. DevOps movement 2010 2012 2014 2016 2018 QA Dev Dev Dev Ops OS DB Network/ ISec Integration Process WEB Dev Silos IaaT
- 15. DevOps movement 2010 2012 2014 2016 2018 Feat. Team Dev Ops OS DB WEB Feat. Team Feat. Team Feat. Team Feat. TeamFeat. Team Feat. Team Feat. Team Self deploying teams IaaT Network/ ISec Integration Process
- 16. DevOps movement 2010 2012 2014 2016 2018 Feat. Team Dev Ops Deliv. Team Feat. Team Feat. Team Feat. TeamFeat. Team Feat. Team Feat. Team DevOps all the things! IaaT OS DB WEB Network/ ISec Integration Process
- 17. DevOps movement 2010 2012 2014 2016 2018 Feat. Team Dev Ops App. Team App. Team App. Team Deliv. Team Feat. Team Feat. Team Feat. TeamFeat. Team Feat. Team Feat. Team Cloud!! Cloud? Network/ ISec Integration Process
- 18. DevOps movement 2010 2012 2014 2016 2018 Feat. Team Dev Ops App. Team App. Team App. Team Deliv. Team Feat. Team Feat. Team Feat. TeamFeat. Team Feat. Team Feat. Team Autonomous Feature Teams! Network/ ISec Integration Process
- 20. Level 1 Infrastructure As A Service Infra/ Operations Feature Team Feature Team Feature Team Feature Team Virtual Machine ESB Network Change Management Database Monitoring Forward
- 21. Infrastructure As A Service Infra/ Operations Feature Team Feature Team Feature Team Feature Team GUI Business Logic Database Virtual Machine Web server Load Balancer Change Management Monitoring You build it You run it! Infrastructure as code Cultural Technical
- 22. GUI Database Infra Business Logic Networking Storage OS Integration Service 1 Service 2 Service 5 Service 7 Service 8 Service 10 Service 12 Service 14 Service 3 Service 4 Service 6 Service 9 Service 11 Service 15 Middleware Service 13 User Interface Security Monitoring Monolith
- 23. All Infra needs User Interface Service 1 Service 2 Service 5 Service 7 Service 8 Service 10 Service 12 Service 14 Service 3 Service 4 Service 6 Service 9 Service 11 Service 15 Service 13 All Infra needs All Infra needs All Infra needs All Infra needs All Infra needs All Infra needs All Infra needs GUI Database Infra Business Logic Microservices
- 24. 24 Check-in frequency Project: Scania Connected Services
- 25. Quiz Find the best part in this image? Collaboration > Automation
- 26. 26
- 27. 27
- 28. Your Heroes are your Bottlenecks!
- 29. Thank you! Anders Lundsgård, Scania Connected Services Twitter: @anderslundsgard GitHub: github.com/anderslundsgard SlideShare: slideshare.net/anderslundsgrd
Notes de l'éditeur
- The power of rapid software development makes our hardware products even better.
- Ops1: “Wait until Tuesdays CAB!” Dev1: “You must start to code and version your stuff” Dev2: “Use my repo. I’ll be contributing”
- Short iterations gives more quality: http://whatgivesquality.devops.vision
- On a startup it is quite obvious that one single person is capable to iterate fast depending on customer needs. But also to monitor and finding interest in monitoring performance an income of cash. We try to keep the good parts of this environment and delegate control to the feature teams. Within the teams all individuals have equal responsibility for quality and income.
- Code review is your security gate. Not a QA or an ISec department.
- The scope of what you as a developer is responsible for has grown.
- In a large enterprise the customer needs varies a lot. Some don’t know what a server is and some want to provision the server on demand.
- Even with Continuous Integration. Fast delivery is hard with 50+ engineers and a large codebase.
- Why Microservices? Autonomous Teams Build, Test, Deploy SPEED! It’s a trade from code complexity to operational complexity.
- About 4 times more check-ins with the microservice architecture.
- Don’t automate in silos! Lern Ops the art of code reviews and mob programming. At Scania today we collocate Dev and Ops!
- The wide diversity of skills required to build today’s applications means collaborative teamwork, not dysfunctional silos.
- #NoRoles