Immutable infrastructure：觀念與實作 (建議)
•
88 likes•7,461 views
A talk given to JCConf 2015 on 2015/12/05. 在程式設計領域，“immutable objects” 是相當重要的設計模式。同樣的，在虛擬化及雲端時代，“immutable infrastructure” 也成為新一代的顯學。在資源及流程的充分配合下，這將會大大簡化系統的複雜度，穩定性也會大大提升。 本演講將會從觀念出發，並佐以部份實作建議，讓大家有足夠資訊來評估此架構的好處。 Video: https://youtu.be/9j008nd6-A4
Recommended
Recommended
More Related Content
What's hot
What's hot (20)
Viewers also liked
Viewers also liked (20)
Similar to Immutable infrastructure：觀念與實作 (建議)
Similar to Immutable infrastructure：觀念與實作 (建議) (20)
More from William Yeh
More from William Yeh (18)
Recently uploaded
Recently uploaded (20)
Immutable infrastructure：觀念與實作 (建議)
- 10. #JCConf
- 12. im‧mutable
- 13. im‧mutable
- 14. #JCConf
- 15. Entropy
- 16. Entropy
- 17. #JCConf
- 18. #JCConf
- 19. Q:
- 20. 7% A: lysosomes
- 21. #JCConf
- 27. #JCConf
- 28. #JCConf DNA
- 29. #JCConf DNA
- 32. #JCConf
- 34. Entropy ?
- 35. #JCConf
- 36. “HAProxy has been installed on Linux 2.4 systems serving millions of pages every day, and which have only known one reboot in 3 years for a complete OS upgrade.” Reliability - keeping high-traffic sites online since 2002
- 37. “HAProxy has been installed on Linux 2.4 systems serving millions of pages every day, and which have only known one reboot in 3 years for a complete OS upgrade.” Reliability - keeping high-traffic sites online since 2002
- 38. im‧mutable
- 39. im‧mutable
- 40. im‧mutable
- 41. im‧mutable
- 42. In OOP and FP, an immutable object is an object whose state cannot be modified after it is created. immutable objects JCConf 2015 Universal Scala by Walter Chang
- 43. In OOP and FP, an immutable object is an object whose state cannot be modified after it is created. String s = "ABC"; s.toLowerCase(); immutable objects
- 44. String s = "ABC"; s.toLowerCase(); Why immutable objects? • simpler to understand • inherently thread-safe • offer higher security than mutable objects. immutable objects
- 45. “How to sort in-place using the merge sort algorithm?” immutable objects algorithms • Too complex to be reduced to practical program. • Knuth left this as an exercise (Vol 3, 5.2.5). There do exists in-place merge sort. It must be implemented carefully. http://stackoverflow.com/q/2571049/714426
- 46. CTAS: Create Table As Select immutable objects algorithms • Faster than ALTER TABLE. • … with some constraints… Google it! http://stackoverflow.com/q/2571049/714426 databases
- 47. DHH (David Heinemeier Hansson) Creator of Rails. immutable objects algorithms databases applications
- 48. immutable objects algorithms http://smalltalk.xdite.net/posts/302780-bos-rewrite-from-dhh databases applications
- 49. immutable objects algorithms http://smalltalk.xdite.net/posts/302780-bos-rewrite-from-dhh databases applications
- 50. immutable infrastructure immutable objects algorithms databases applications
- 51. immutable infrastructure immutable objects algorithms databases applications
- 52. Let’s talk about immutable objects algorithms databases applications Java hot swap? hot deploy?
- 53. immutable objects algorithms databases applications Java hot swap since JDK 1.4
- 54. immutable objects algorithms databases applications Java hot swap in JRebel
- 55. immutable objects algorithms databases applications Java hot swap in OSGi
- 56. immutable objects algorithms databases applications Java Christian Posta Principal Middleware Specialist/Architect at Red Hat, open-source enthusiast, committer on Apache ActiveMQ, Apache Camel, Fabric8, HawtIO, blogging, Family, India Pale Ale. http://blog.christianposta.com/immutable/immutable-infrastructure-and-the-jvm-part-i/
- 57. immutable objects algorithms databases applications Java • Don’t hotdeploy/redeploy/migrate your Java services in production at runtime. Christian Posta Principal Middleware Specialist/Architect at Red Hat, open-source enthusiast, committer on Apache ActiveMQ, Apache Camel, Fabric8, HawtIO, blogging, Family, India Pale Ale. http://blog.christianposta.com/immutable/immutable-infrastructure-and-the-jvm-part-i/
- 58. immutable objects algorithms databases applications Java • Don’t hotdeploy/redeploy/migrate your Java services in production at runtime. • Do have a very strong focus on your delivery pipeline/automation/testing to quickly make changes to your system. Christian Posta Principal Middleware Specialist/Architect at Red Hat, open-source enthusiast, committer on Apache ActiveMQ, Apache Camel, Fabric8, HawtIO, blogging, Family, India Pale Ale. http://blog.christianposta.com/immutable/immutable-infrastructure-and-the-jvm-part-i/
- 59. Infra Infra
- 67. WHY immutable infra? • Simplify change management • hard to keep or restore “desired state” in-place
- 68. WHY immutable infra? • Simplify change management • hard to keep or restore “desired state” in-place • Enforce dev/prod parity • configure & test infra before deployed to production environment
- 69. WHY immutable infra? • Simplify change management • hard to keep or restore “desired state” in-place • Enforce dev/prod parity • configure & test infra before deployed to production environment • Reason about apps at a higher level • … than just the deployable packages containing the code (JAR/WAR/zip/MSI/whatever)
- 70. WHY NOT immutable infra?
- 71. WHY NOT immutable infra? • Cost of “out of place” may be too high • vs
- 72. WHY NOT immutable infra? • Cost of “out of place” may be too high • vs • DevOps maturity level • Orchestration and resource allocation primitives are required
- 74. #JCConf
- 75. #JCConf
- 76. #JCConf
- 77. #JCConf
- 80. VM image Golden image Phenix server
- 81. VM image Container image Golden image Phenix server
- 82. VM image Container image Unikernel image Golden image Phenix server
- 83. VM image Container image Unikernel image • VM/IaaS provider specific • VM/IaaS provider agnostic • Ansible: https://github.com/ansible/ansible • Packer: https://www.packer.io/ • Otto: https://ottoproject.io/
- 84. VM image Container image Unikernel image • Docker ecosystem • docker cli • Docker Hub • CI: Jenkins, Travis CI, CircleCI… • Pre-Docker tools • Packer: https://www.packer.io/
- 85. VM image Container image Unikernel image
- 86. VM
- 87. VM Docker
- 88. Docker
- 89. Container per VMDocker Hyper: https://hyper.sh/
- 90. Container per VM Hyper: https://hyper.sh/
- 91. Container per VM Hyper: https://hyper.sh/ Unikernel Boxfuse: https://boxfuse.com
- 92. Container per VM Hyper: https://hyper.sh/ Unikernel Boxfuse: https://boxfuse.com Unikernels are constructed by using “library operating systems,” from which the developer selects only the minimal set of services required for an application to run. These sealed, fixed-purpose images run directly on a hypervisor without an intervening guest OS such as Linux.
- 94. #JCConf
- 95. VM image Container image Unikernel image new unikernel approach
- 96. VM image Container image Unikernel image new unikernel approach
- 97. #JCConf
- 98. VM image Container image Unikernel image
- 99. VM image Container image Unikernel image
- 100. #JCConf
- 101. deployment
- 102. deployment
- 103. deployment • Rolling upgrade • Blue/green deployment • Canary deployment
- 105. deployment • Cluster management • Service discovery • Orchestration
- 106. deployment • Pets vs cattle • Docker ecosystem is easier… • Kubernetes • Mesos • …
- 107. #JCConf
- 108. DevOps deployment
- 110. deployment VM image Container image Unikernel image DevOps IT workflow automation
- 111. deployment VM image Container image Unikernel image DevOps JCConf 2015, Abola Lee IT workflow automation
- 112. deployment VM image Container image Unikernel image DevOps JCConf 2015, Abola Lee IT workflow automation • Platform-specific tools • AWS CodeDeploy • Google Cloud Deployment Manager • IBM BlueMix
- 113. deployment VM image Container image Unikernel image DevOps JCConf 2015, Abola Lee IT workflow automation • Platform-specific tools • AWS CodeDeploy • Google Cloud Deployment Manager • IBM BlueMix • Ansible
- 114. deployment VM image Container image Unikernel image DevOps JCConf 2015, Abola Lee IT workflow automation • Platform-specific tools • AWS CodeDeploy • Google Cloud Deployment Manager • IBM BlueMix • Ansible • CI SaaS • Travis CI, CircleCI, etc.
- 115. deployment VM image Container image Unikernel image DevOps JCConf 2015, Abola Lee IT workflow automation • Platform-specific tools • AWS CodeDeploy • Google Cloud Deployment Manager • IBM BlueMix • Ansible • CI SaaS • Travis CI, CircleCI, etc. • Atlas (and others from HashiCorp)
- 117. Entropy
- 118. #JCConf
- 119. #JCConf DNA
- 120. #JCConf DNA
- 123. #JCConf VM image Container image Unikernel image
- 124. #JCConf VM image Container image Unikernel image
- 127. #JCConf