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What is BOSH? Why do I need it?
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Dr Nic Williams
November 03, 2015
Technology
2
550
What is BOSH? Why do I need it?
CF Summit Berlin 2015
Dr Nic Williams
November 03, 2015
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Transcript
What is BOSH? Why do I need it?
None
software is eating the world — Marc Andreessen, Netscape inventor
Mission "Ability to do your job"
time to value build a factory for software — Jonathan
Murray, Microsoft & WMG
@drnic VP, Engine Yard CEO, Stark & Wayne
social change • agile / time to value • infrastructure
as code • platform contracts
economy changes • ops expense vs cap exp • higher
utilization • pay as you go
technology changes 2009 - apt-get install 2011 - vagrant up
2013 - docker run 2015 - bosh deploy
sys admin dissatisfied tools for deploying and continuously changing systems
Cloud Foundry BOSH provides lifecycle orchestration of systems homogenous across
clouds
unlike manually nurturing snowflakes BOSH consistent ops experience
Before BOSH
Why BOSH? systems constantly changing
Cloud Foundry 30 versions in 52 wks
secret sauce inside & out
Only BOSH director → cloud → create vm agent →
linux → start processes director → cloud → attach disk agent → linux → mount disk
killer feature - resize disks → create/attach bigger disk -
outside → mount bigger disk - inside → stop processes - inside → copy data - inside → remount bigger disk - inside → detach/destroy smaller disk - outside
killer feature - consistent ops jobs: - name: database templates:
[{name: postgresql}] persistent_disk: 20240 Apply any manifest change $ bosh deploy
killer feature - simple ci
None
killer features resize disks consistent ops simple ci
limitation Deploy-time assignment of processes to servers Deploy-time configuration management
solution Cloud Foundry Kubernetes, Mesos, Docker Swarm
limitation Networking people touch things solution Terraform, Git
Easy to upgrade BOSH bosh-init deploy bosh.yml Systems continue running
during upgrade. Over 70 BOSH versions in 12 months. name: bosh releases: - name: bosh url: https://bosh.io/d/.../bosh?v=219 - name: bosh-aws-cpi url: https://bosh.io/d/.../bosh-aws-cpi-release?v=36 ...
bosh.io - 77
Easy to create new BOSH releases bosh-gen new <ourthing> bosh
create release bosh upload release ./templates/make_manifest warden bosh deploy bosh-gen errand tests bosh run errand tests bosh-gen new
bosh-lite & snowwhite 7 little bosh-lites on AWS snowwhite new
drnic snowwhite list snowwhite target drnic bosh upload release ... snowwhite ssh drnic
spruce.cf
it's time for BOSH