Deploying your application on open stack using bosh presentation

Deploying Services
with BOSH
Jeffrey Peckham | Engineer
Cloud Foundry

Who Am I?
•
Jeffrey Peckham
2008-2012 – SRE in Higher Education and eCommerce.
2012 – SRE on Production Cloud Foundry
2013 – Engineer on BOSH
OSCON – 3rd
time attending, 1st
time speaking

What is BOSH?
 A comprehensive service deployment tool.
 Developed originally for Cloud Foundry.
 Deploys distributed software onto various IaaS providers.



What BOSH is not
 It is not a PaaS.
 It is not Pacemaker, Clusterware, or other HA orchestration.
 It is not clever.

Why BOSH?
 Addresses the end-to-end problem of provisioning to running services.
 Designed for updates, provisioning is just a side-effect.
 Fast, predictable deploys that don't suffer from “Configuration Drift”.

Top Down Deployment Strategy
 What do I want to deploy?

 What services make it up?

 How do those services run?

 What software do they need?

Top Down Deployment Strategy
 What do I want to deploy?
- A search indexer
 What services make it up?
- Elastic Search
 How do those services run?
- A Single Elastic Search process.
 What software do they need?
- Java, Elastic Search

Job
Is a process or set of processes that can be configured and monitored.





 What's the simplest thing I can monitor?


How about 'init'?
$ ps ef
 UID        PID  PPID  C STIME TTY          TIME CMD
 root         1     0  0 09:10 ?        00:00:01 /sbin/init
 root         2     0  0 09:10 ?        00:00:00 [kthreadd]
 root         3     2  0 09:10 ?        00:00:01 [ksoftirqd/0]
 root         5     2  0 09:10 ?        00:00:00 [kworker/0:0H]
 root         7     2  0 09:10 ?        00:00:00 [kworker/u:0H]
 root         8     2  0 09:10 ?        00:00:00 [migration/0]

Deploy to a BOSH
 What BOSH?

 Deploy a BOSH
 http://docs.cloudfoundry.com/docs/running/deploying-cf/

 BOSH-Lite (VERY ALPHA)
 https://github.com/cloudfoundry/bosh-lite

 Come talk to us
 https://groups.google.com/a/cloudfoundry.org/forum/#!forum/bosh-users


Stemcell
 A base OS image for deploying services on.

 Currently an Ubuntu based image with an embedded BOSH Agent.

 Knows how to discover location and can phone home.

Deployment Manifest
 A description of a BOSH deployed release.

 Describes What...
 Release
 Resources (Networks, Disks and VMs)
 Services
 Update behavior
 Settings for the Release


What did that do?
 Spun up a VM and monitored init.



 This is where you think, 'Jolly good... who cares?'

Package
 Source Based
 Generates static files only, no templates
 No pre/post apply scripts
 Built on ephemeral VMs
 Packaging script places files in $BOSH_INSTALL_TARGET

Demo: Adding Packages and Exploring an Instance

Demo: Updating a Service and Debugging

Properties
 Variables that can be set at deployment time and used to configure jobs.


 Can be scoped to single jobs or span multiple. Often to describe
relationships (host / port to connect / listen to).

Scaling
 Define the desired instances per job and BOSH will oblige.

Rolling updates
 Canary based deployments.
 Tunable timeouts on expected update times.
 Supports OS base image updates.
 Supports rollback as separate deploy*


 *if release version is backwards compatible (may require roll forward)

Infrastructures Supported
 vSphere
 vCloud
 OpenStack
 AWS

 Experimental
 CloudStack
 Warden (LXC)

Demo: Taking it to a new Infrastructure

Thank You
 Jeffrey Peckham
 peckham@pivotallabs.com
 twitter: abic – github: abic
 https://github.com/abic/elasticsearch-boshrelease
 http://docs.cloudfoundry.com
 https://githb.com/cloudfoundry/bosh
 https://groups.google.com/a/cloudfoundry.org/d/forum/bosh-users
 http://www.thisweekincf.com

Deploying your application on open stack using bosh presentation

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