Continuous Delivery and Zero Downtime: What your architecture needs to succeed
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Continuous Delivery and Zero Downtime: What your architecture needs to succeed
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Slides from my JavaOne 2014 talk: Continuous Delivery and Zero Downtime: What your architecture needs to succeed
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Continuous Delivery and Zero Downtime: What your architecture needs to succeed
- 1. Continuous Deliveryand Zero DowntimeWhat your architecture needs to succeed AXEL FONTAINE@axelfontaineaxel@boxfuse.com
- 2. flywaydb.org
- 3. boxfuse.com
- 5. Disclaimer Two days agomy voice completelyabandoned me
- 7. GOALFullyautomateddeploymentof a complete applicationinto productionmultiple times a daywith zero downtime
- 13. Poll: How often do you deploy in production? At least -Once a year -Every 3 months -Every Month -Every 2 weeks -Every week -Multiple times a week -Every day -Multiple times a day
- 22. Prerequisites
- 24. Build
- 25. Version Control
- 27. Build DEV Small Tests
- 28. Build DEV Small Tests Medium Tests
- 29. Build DEV Small Tests Medium Tests Large Tests
- 30. Version Control Build Build DEV Continuous Integration Small Tests Medium Tests Large Tests Small Tests Medium Tests Large Tests
- 32. do NOT deploy SNAPSHOTS !
- 33. Version Control Build Build Release DEV Continuous Integration Small Tests Medium Tests Large Tests Small Tests Medium Tests Large Tests Artifact Repository
- 34. DB Delta Code ConfigurationWhat gets deployed?
- 37. CodeDeploymentPackageDeploymentScript backup stop install start …
- 38. CodeDeploymentPackageDeploymentScript backup stop install start …
- 39. Release Continuous Integration Artifact Repository Target Deployment Script backup stop install start …
- 40. Configuration Deployment Package Code Maybe it could change one day ≠Environments
- 42. CodeAuto- Configuration TestEnvironment Detection
- 43. Release Continuous Integration Artifact Repository Target Deployment Script backup stop install start …
- 44. DB Delta
- 45. The FearofDDL
- 47. VS DML DDL
- 48. Name Balance Homer 163 Marge 214 Bart 9 Lisa 25
- 49. VS DML DDL Name Balance Homer 0 Marge 0 Bart 0 Lisa 0 Name Homer Marge Bart Lisa
- 52. flywaydb.org
- 53. Release Continuous Integration Artifact Repository Target Deployment Script backup stop install start …
- 56. Registration v2 MailService ParcelService
- 57. Registration MailService Feature Toggles a.k.a. Release at any time ParcelService
- 58. Registration MailService ParcelService Feature Toggles a.k.a. Release at any time
- 59. DB
- 60. DB
- 61. DB
- 63. Surname Last_Name ALTER TABLE … RENAME COLUMN Surname
- 64. Last_Name Last_Name Last_Name Surname ALTER TABLE … ADD COLUMN Last_Name CREATE TRIGGER … UPDATE … SET Last_Name= Surname DROP TRIGGER … ALTER TABLE … DROP COLUMN Surname
- 65. Last_Name Last_Name DROP TRIGGER … ALTER TABLE … DROP COLUMN SurnameExpand & Contracta.k.a. Release Independently
- 66. OS Kernel Libraries Language App Server App
- 67. OS Kernel Libraries Language App Server App } One immutable unit Regenerated after every commit Promoted from Envto Env } ???
- 68. OS Kernel Libraries Language App Server App One immutable unit Regenerated after every commit Promoted from Envto Env
- 69. OS Kernel Libraries Language App Server App One immutable unitRegenerated after every commit Promoted from Envto EnvImmutable Infrastructure
- 70. Summary
- 71. Version Control Build Build Release DEV Continuous Integration Small Tests Medium Tests Large Tests Small Tests Medium Tests Large Tests Artifact Repository Target Deployment Script backup stop install start …
- 74. flywaydb.org
- 77. boxfuse.com
- 78. Thanks ! AXEL FONTAINE@axelfontaineaxel@boxfuse.com boxfuse.com
- 79. Further reading: http://axelfontaine.com/blog/final-nail.html http://axelfontaine.com/blog/environment-detection.html http://martinfowler.com/bliki/FeatureToggle.html http://googletesting.blogspot.com/2010/12/test-sizes.html http://blog.shinetech.com/2012/12/18/simple-session-sharing-in- tomcat-cluster-using-the-session-in-cookie-pattern/