Making a Mammoth Run : Continuous Delivery in a Bank
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Historically, the banking industry have to answer legal and stability constraints. Big banks have lots of inertia and are not usually fit for innovation. With the arrival of fintechs taking market share, banks have to adapt themselves to the new challenges of agility brought by those new actors. Come and discover how a big french corporate and investment bank revolutionised itself thanks to continuous delivery practices. In this talk, you’ll see how this bank set up tools such as Vault, XLDeploy, Puppet or even Github ; and transformed itself by adopting the devops mindset. We will then demonstrate you a typical pipeline implementation and how to deploy fast and reliable microservices in banking.
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Making a Mammoth Run : Continuous Delivery in a Bank
- 1. Making a Mammoth Run Continuous Delivery in a bank
- 2. I am Laurent Grangeau I love to automate things and run apps at scale. You can find me at @laurentgrangeau Hello!
- 3. I am Christophe Lecointe I tinker around and simplify things Hello!
- 4. Overview of softwares in bank industries1
- 5. Banking overview Old code There is lots of legacy code. Generally, the code base is > 5 years. No agile process Mostly waterfall process, ITIL compliant. Regulation Banks can’t do what they want. There is a lot of regulation and audits. Monolithic softwares As softwares were designed years ago, there is little microservices, and no 12factor principles. Releases are manual Generally, release is a manual process with service interruption. Obsolete infrastructures There are still mainframe computers or specialized appliances like Sparc machines.
- 7. $12.7 billions funding 1.000+ companies Leverage on cutting edge technologies Fintech landscape
- 8. Appears in 2008 $921 millions cumulative investment 805 blockchain startups $4.9 billions Bitcoin capitalisation Blockchain ecosystem
- 9. Fintechs are taking market shares… It’s time to react ! BANKS FINTECHS
- 11. Be like the GAFA Be faster, bring more business value, reduce maintenance costs
- 12. Change management Agile coachs Bring more business value, involve stakeholders. ex. Scrum, Kanban, Backlog grooming, … Software craftsmanship coachs Build robust, testable and sustainable code. ex. TDD, BDD, Clean code, … DevOps coachs Automate the delivery. ex. IaC, Automated deployment, …
- 14. 400+ applications transformed Reduce TTM from months to 2 weeks Reduce deploy time from months to minutes
- 15. What’s next ?4
- 16. New challenges ◉Variabilization ◉Service discovery ◉Infrastructure hybridation ◉Multi-tenancy ◉Secret management
- 17. Let’s use HashiCorp tools ! Leveraging on tools like Vault or Consul
- 20. Platform Registry Docker-swarm The registrator discovers new containers and feeds the registry
- 21. Application K/V store DEV STAGING PROD K/V store K/V store Update version
- 22. Service discovery Registry Service providerService consumer 1. Publish2. Find 3. Bind
- 23. Network overlay Host Host Host Host SDNs
- 24. Infrastructure hybridation Private cloud Public cloud
- 26. Password generation On demand credentials No longer need harcoded credentials 1. Request credentials 2. Connect 3. Scale 4. Connect Add credentials
- 27. Impersonification I want to troubleshoot problems Production Works for SSH and DB ! 1. Request credentials 2. Generate access 3. Login with generated credentials Dev
- 28. PKI : certificates generation Host Host Host Generating on demand certificates for containers communication Request certificates
- 29. Demo Scary live demo time ! 5
- 31. Conclusion6
- 32. Continuous delivery is now complete part of the bank Huge change on the manner of working Nearly everything is automated
- 33. Any questions ? You can find us at ◉ @laurentgrangeau ◉ laurent.grangeau@gmail.com ◉ christophe.lecointe@tuta.io Thanks!