Getting Into the Zero Downtime Deployment World

Dev Day 2016 (Krakow, Poland)

Transcript

1. Getting Into the Zero Downtime Deployment World Tugberk Ugurlu Redgate Software @tourismgeek tugberkugurlu.com #ABBDevDay https://flic.kr/p/fNTDM1
2. #ABBDevDay https://flic.kr/p/HLRTPW Software Dev @ Redgate Human in Cambridge, UK MVP @ Microsoft
3. @tourismgeek tugberkugurlu.com github.com/tugberkugurlu stackoverflow.com/users/463785/tugberk
4. What is This? #ABBDevDay https://flic.kr/p/cdvAaj
5. #ABBDevDay Example HTTP APIs v1 Example Android iPhone Example Android Client Example Web Client Example HTTP APIs v1.1
6. Should I Care? #ABBDevDay https://flic.kr/p/e7oMGm
7. #ABBDevDay https://flic.kr/p/49FHd3
8. #ABBDevDay https://flic.kr/p/CTxCx
9. https://twitter.com/tourismgeek/status/580270772402393088 #ABBDevDay
10. Continuous Delivery #ABBDevDay https://flic.kr/p/bzG7ds
11. #ABBDevDay http://bit.ly/2cstlDK
12. #ABBDevDay http://zleek.com
13. LB zleek-0 zleek-1 zleek-n mongodb neo4j elasticsearch rabbitmq recipe-generation-worker-0 recipe-sync-worker-0 food-sync-worker-0 store-sync-worker-0 recipe-generation-worker-1 recipe-generation-worker-n recipe-sync-worker-n recipe-sync-worker-0 #ABBDevDay
14. #ABBDevDay https://gist.github.com/revett/99d8a5143c0bfeddfc92 Our Target
15. Our Scope #ABBDevDay
16. Scope of the Talk #ABBDevDay HTTP Services Web Sites
17. #ABBDevDay https://flic.kr/p/mRRFdH The Path and Guidance
18. Write Down the Deployment Strategy #ABBDevDay https://flic.kr/p/pd4X4A
19. #ABBDevDay
20. Script out the Deployment Strategy https://flic.kr/p/79EVn6
21. #ABBDevDay
22. Release Management #ABBDevDay https://flic.kr/p/fCbQWb
23. #ABBDevDay Octopus Deploy http://bit.ly/2d2ivzU
24. #ABBDevDay Docker Cloud http://bit.ly/2d2ivzU #ABBDevDay
25. True Staging Environment #ABBDevDay
26. example-api-v0-6786234 example-api- process example-api-v0-6327638 example-api- process Router v0.example.com
27. Blue-green Deployment http://martinfowler.com/bliki/BlueGreenDeployment.html #ABBDevDay
28. Router v0.example.com #ABBDevDay example-api-v0-6327638 example-api- process example-api-v0-6786234 example-api- process
29. Drain Requests #ABBDevDay https://flic.kr/p/79A7Db
30. Router v0.example.com #ABBDevDay example-api-v0-6327638 example-api- process example-api-v0-6786234 example-api- process
31. Router v0.example.com #ABBDevDay example-api-v0-6327638 example-api- process example-api-v0-6786234 example-api- process
32. SemVer Your Software http://www.tugberkugurlu.com/archive/versioning-software-builds-based-on-git-tags-and-semantic-versioning-semver #ABBDevDay
33. SemVer (semver.org) #ABBDevDay Patch No user facing changes Major Introducing incompatible changes Minor Add functionality in a backwards- compatible manner 2.4.6
34. SemVer as Way of Application Versioning • Support 2 Major versions of the HTTP Service, not 1, not 3. • Define a support policy for support lifetime for versions #ABBDevDay
35. Minor-Patch Releases • No breaking changes #ABBDevDay
36. example-api-v0-6327638 example-api-v0-7814219 example-api-v0-9528392 LB v0.example.com example-api- process example-api- process example-api- process example-api-v0-6786234 example-api-v0-3266280 example-api-v0-8429842 example-api- process example-api- process example-api- process
37. DEMO https://github.com/tugberkugurlu/AspNetCoreSamples/tree/abbdevday2016/haproxy-zero-downtime-sample #ABBDevDay
38. HAProxy Config Reload http://engineeringblog.yelp.com/2015/04/true-zero-downtime-haproxy-reloads.html #ABBDevDay
39. Internal LB-1 LB-1 Internal LB-2 server1 server2 server3 server4 server5 server6 server7 server8 server9 server10 client client client client client client #ABBDevDay
40. Multiple Load Balancer Nodes http://robert.penz.name/386/howto-setup-a-haproxy-as-fault-tolerant-high-available-load-balancer-for-multiple-caching-web-proxies-on-rhelcentossl/ #ABBDevDay
41. #ABBDevDay http://robert.penz.name/386/howto-setup-a-haproxy-as-fault-tolerant-high-available-load-balancer-for-multiple-caching-web-proxies-on-rhelcentossl/
42. Major Releases • Breaking Changes • First Major Release • Non-first Major Releases #ABBDevDay
43. example-api-v0-6327638 example-api-v0-7814219 example-api-v0-9528392 LB v0.example.com example Products example Products example Products example-api-v1-2276168 example-api-v1-5677802 example Products example Products LB v1.example.com example-api-v1-7182721 example Products
44. Prefer Fast-forward Database Changes #ABBDevDay https://flic.kr/p/54a6xY
45. #ABBDevDay v1 v2 Id Make Model Colour 1 Renault Clio Red 2 Mercedes GLA Black 3 Volkswagen Polo White 4 Toyota Yaris Yellow Id Make Model Colour 1 Renault Clio Red 2 Mercedes GLA Black 3 Volkswagen Polo White 4 Toyota Yaris Yellow
46. Do Not Override Client Side Assets #ABBDevDay
47. #ABBDevDay v1 v1.1
48. #ABBDevDay v1 v1.1
49. Be Aware of the Context #ABBDevDay
50. Be Aware of the Context • Cookies • Sessions • Authentication Tokens #ABBDevDay
51. Sticky Sessions http://blog.haproxy.com/2012/03/29/load-balancing-affinity-persistence-sticky-sessions-what-you-need-to-know/ #ABBDevDay
52. Helpful Tools • Git (https://git-scm.com) • Travis CI (https://travis-ci.org) • Octopus Deploy (https://octopus.com) • HAProxy (http://haproxy.org) • node-semver CLI (http://bit.ly/1PO6hvR) • Docker (https://docker.com) • Docker Cloud (a.k.a. Tutum, http://bit.ly/1RYYtl2) • SQL Server Data Tools (SSDT, http://bit.ly/1P7qETh) • DLM Automation Tools from Redgate (http://bit.ly/1VQ2rDm) #ABBDevDay
53. @tourismgeek github.com/tugberkugurlu linkedin.com/in/tugberk https://flic.kr/p/edfM1R