Bosh - Configuring Services
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BOSH is an open source tool that allows developers to easily package, release, deploy, and manage distributed systems and applications at scale across multiple cloud environments. It provides capabilities for deployment, configuration management, updates/upgrades with minimal downtime, remediation, and scaling. BOSH abstracts away infrastructure details through "stem cells" and treats applications as logical concepts rather than physical servers through a "release" process, providing consistency, reproducibility and agility in deployments.
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Bosh - Configuring Services
- 1. BOSH configuring services Andrew Clay Shafer Gent 2015
- 4. has been very good to me
- 5. ASK ME ABOUT PARETO INEFFICIENT NASH EQUILIBRIUMS
- 8. Why is BOSH?
- 10. Platform as a Service Whatever that means…
- 11. routers Linux LinuxLinux Containers message bus cloud controller loggregators controller DB etcd hm9000 metrics firehose a couple dozen services UAA login What even is Elastic Runtime? service brokers object store stagers
- 12. how do you manage that thing?
- 13. if you wish to deploy a distributed system from scratch, you must first deploy the universe
- 14. stateful services Elastic Runtime “cloud” BOSH “metal” configuration management™ apps (the reason we put ourselves through this) containers VMs machines Typical fast unfast
- 15. distributed systems managing distributed systems managing distributed systems managing distributed systems
- 17. back to BOSH
- 18. BOSH is an open source tool chain for release engineering, deployment, and lifecycle management of large-scale distributed services.
- 19. BOSH allows individual developers and teams to easily version, package and deploy software in a reproducible manner.
- 20. Purposeful Goals • Identifiability • Reproducibility • Consistency • Agility
- 21. GOALS • Identifiability - Being able to identify all of the source, tools, environment, and other components that make up a particular release. • Reproducibility - The ability to integrate source, third party components, data, and deployment externals of a software system in order to guarantee operational stability. • Consistency - The mission to provide a stable framework for development, deployment, audit, and accountability for software components. • Agility - The ongoing research into what are the repercussions of modern software engineering practices on the productivity in the software cycle, i.e. continuous integration.
- 22. I READ IT ON THE INTERNET
- 23. Whatever
- 24. need to manage a large distributed system • deployment • configuration changes • updates/upgrades - minimal downtime • remediation • scale out/scale in • across multiple IaaS
- 25. need to manage a large distributed system configuration management™ necessary but not sufficient
- 26. BOSH is a distributed package and process orchestrator
- 28. idempotent resource abstractions for fun and profit desired state current state
- 29. service centric, not server centric
- 30. – no CEO ever “Good job provisioning servers this year”
- 32. Learning BOSH
- 33. Deployment - map release to IaaS Release - package with some jobs Stem Cell - VM with BOSH agent Vocabulary
- 34. Stem Cell Base VM with embedded BOSH agent
- 35. Release • Manifest • Packages • spec • packaged bits • Jobs • spec • monit • templates
- 36. Deployment • releases • compilation VMs • canary settings • network configurations • resource pools (VMs, Disks, Networks) • jobs • job properties
- 37. So…what happens when I deploy?
- 39. Director VM CPI (Cloud Provider Interface) Director Starts VMs
- 40. Director VM BOSH Agent Boots
- 41. Director VM Director Pings Agent
- 42. Director VM Assign Job to Agent
- 45. this happens for every VM described in the deployment
- 46. idempotent resource abstractions for fun and profit desired state current state except now the resource is a running service
- 48. but how do I?
- 49. don’t
- 52. learn you some Pareto Power Law
- 53. Warning
- 54. do you need a deathstar?
- 55. is your goal to deploy a single instance of wordpress?
- 58. I’m here to help https://www.flickr.com/photos/simplebitsdan/2477674571/
- 59. Now Hiring
- 60. DANK @littleidea