Cloud infrastructures - Slide Set 6 - BOSH | anynines
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The basic training Cloud Foundry BOSH describes the features and architecture of BOSH and ends with a practical example in the form of a demonstration of a BOSH release. This contains the BOSH components such as Bosh Director, Bosh Health Monitor, Bosh Worker, Bosh Agent and the Bosh Stemcell. The concepts Bosh Release, Bosh Job and Bosh Deployment are separated from each other.
Cloud infrastructures - Slide Set 6 - BOSH | anynines
- 1. Bosh Basics
- 2. • Inner vs. outer shell • Bosh = Bosh outer shell
- 4. „BOSH is an open source tool chain for release engineering, deployment, and lifecycle management of large-scale distributed services.“ http://docs.cloudfoundry.org/bosh/understanding-bosh.html
- 5. IaaS - OpenStack VIRTUAL DATACENTER VIRTUAL MACHINE MicroBosh Router STORAGE Storage Node Storage Node Storage Node HDD HDD HDD HDD HDD HDD HDD HDD HDD HDD HDD HDD HDD HDD HDD HDD HDD HDD Bosh API Storage Volume Operating System Bosh Agent VIRTUAL MACHINE Bosh CLI $> bosh deploy IaaS API
- 6. Bosh Deployment Stemcell Release Manifest
- 7. A Bosh-Deployment depends on 1 .. * Stemcells
- 8. • VM template • Bosh clones new VMs from stemcells • Stemcell = OS + Bosh Agent • Bosh Agent acts on the VM • Stemcells are infrastructure and OS specific (VMware + Ubuntu, OpenStack + CentOS, etc.)
- 9. A Bosh-Deployment is described by a Release
- 10. • = collection of • source code • configuration files • startup scripts • software packages • jobs
- 11. A Release contains 1 .. * Jobs
- 12. • Jobs = Processes to be run • = set of configuration files • + scripts • > run process from a package, e.g. mysqld
- 13. A Release contains 1 .. * Package
- 14. • Package • src code • compile script • install script
- 15. A Bosh Deployment’s settings are contained in a Manifest
- 16. • defines the layout and properties of a deployment • infrastructure configuration • network architecture • VM dimensions, used stemcells (OS)
- 17. • bosh cli pushed manifest to Bosh director • > Bosh director creates a deployment
- 19. • Upload stemcell • Upload a release • Set deployment with a manifest • Execute deployment
- 20. Benefits from Bosh’s design
- 21. • Switch deployment between clouds • Keep the same release • Use a stemcell specific to the new cloud • Adapt the manifest
- 22. • Scaling-out a Bosh deployed system • Keep the same release • Use the same stemcell • Change the manifest
- 23. • Update or roll-back Bosh deployed system • Use a newer or older release version • Use the same stemcell • Use the same manifest
- 26. • Src code is compiled in a freshly created VMs • VMs always contain exact the software, specified in the release • No left-overs of prior deployments as new VMs are used.
- 28. Executing a specific Bosh deployment always leads to exact same deployed system.
- 31. • Bosh Health Monitor… • monitors processes running on the VMs managed by Bosh • Compares desired vs. actual state • Bosh can recreated processes and VMS on failure.
- 33. Anynines Operations Manager (Bosh) Anynines IaaS (OpenStack) CF Health Manager (Process) Bosh Agent VIRTUALMACHINE Process Monitor CF DEA (Process) VIRTUALMACHINE Bosh Agent Process Monitor Bosh Health Monitor Bosh Director NATS Message Bus Infrastructure Level Self-Healing CF DEA (Process) VIRTUALMACHINE Bosh Agent Process Monitor CF DEA (Process) Process Monitor
- 34. PaaS VM Failure
- 35. Anynines Operations Manager (Bosh) Anynines IaaS (OpenStack) CF Health Manager (Process) Bosh Agent VIRTUALMACHINE Process Monitor CF DEA (Process) VIRTUALMACHINE Bosh Agent Process Monitor CF DEA (Process) VIRTUALMACHINE Bosh Agent Process Monitor Bosh Health Monitor Bosh Director NATS Message Bus CF DEA (Process) VIRTUALMACHINE Bosh Agent Process Monitor Infrastructure Level Self-Healing
- 36. Anynines Operations Manager (Bosh) Anynines IaaS (OpenStack) CF Health Manager (Process) Bosh Agent VIRTUALMACHINE Process Monitor CF DEA (Process) VIRTUALMACHINE Bosh Agent Process Monitor Bosh Health Monitor Bosh Director NATS Message Bus Infrastructure Level Self-Healing CF DEA (Process) VIRTUALMACHINE Bosh Agent Process Monitor CF DEA (Process) VIRTUALMACHINE Bosh Agent Process MonitorBosh Agent
- 38. Links & Sources
- 39. • Open Source Bosh Documentation http://docs.cloudfoundry.org/bosh/ • Understanding Bosh http://docs.cloudfoundry.org/bosh/ understanding-bosh.html • Bosh Source Code on github.com https://github.com/cloudfoundry/bosh