Cloud Foundry Deployment Tools: BOSH vs Juju Charms

@yurkvch | @altoros
Cloud Foundry
Deployment Tools:
BOSH vs Juju Charms
Andrei Yurkevich, CTO at Altoros
andrei.yurkevich@altoros.com

@yurkvch | @altoros
Too many moving targets!

@yurkvch | @altoros
Facts on Altoros

@yurkvch | @altoros
Cloud Foundry in a nutshell
Who is using Cloud Foundry
35 foundation members
Contributions
Cloud Foundry has had 41,963
commits made by 1,536
contributors representing 776,201
lines of code

@yurkvch | @altoros
Cloud Foundry app routing

@yurkvch | @altoros
And the purpose is...
TTM & TCO !

@yurkvch | @altoros
Faster
Lower
TTM & TCO !

@yurkvch | @altoros
Faster
Lower
TTM & TCO !Under certain conditions

@yurkvch | @altoros
How can you do it in your case?
● Rapid provisioning of dev
environment
● High availability
● Security and governance
● Authorization and access
management
● and...

@yurkvch | @altoros
And more!
● No IaaS vendor lock-in
● Self-healing
● Scalability
● Zero downtime upgrades
● Portability
● Minimal human involvement

@yurkvch | @altoros
Requirements specification
Self-healing Availability monitoring
Scalability Monitor utilization
Provision new instances
Zero downtime upgrades Rolling updates
Portability Centralized cluster management
No IaaS vendor lock-in Multiple CPI

@yurkvch | @altoros
CF is not the only passenger

@yurkvch | @altoros
What about HA?

@yurkvch | @altoros
Dev/Staging/Production?

@yurkvch | @altoros
BOSH fact sheet
http://docs.cloudfoundry.org/bosh/
Name Bosh Outer SHell
Start date April 2012
Major contributors Pivotal
License Apache 2.0
Languages Ruby 70%
Go 18%
XML 10%
Other 2%
Lines of code 341329
Contributors 362
Commits 17761

@yurkvch | @altoros
BOSH: How it works

@yurkvch | @altoros
BOSH: Mission possible

@yurkvch | @altoros
Who else can do the job?
Puppet Chef Salt Ansible Juju Bosh
Deployment lifecycle management Rolling Updates
Monitor / Health Checking
Backup and Restore
Orchestration Networking
Storage Management
VM Provisioning
Life-cycle Management
Interdependence (ability to create relations between services
without restarting deployment process)
Service Discovery Only in Enterprise With Plugin
Configuration Packaging
Templating
Service provisioning

@yurkvch | @altoros
Manual installation?
o Experience in creating and
deploying services
o Deep understanding of
virtualized cloud
infrastructure
o DevOps skills for many
platforms
o Knowledge of Cloud Foundry
internals
o CF is configured manually
o Human factor
o No self-healing

@yurkvch | @altoros
Too sweet to be true...
Developers adoption
Barrier to enter (complexity to study), 0-easy, 10-nightmare 5 5 2 2 4 8
Community adoption, 0-a lot of information, 10 - find necessary
information is a problem
3 2 4 2 5 8
Developers' productivity as using. Using only existing components.
0 - good, 10 - bad
2 1 2 1 0 5
Developers' productivity as using. Implementation of custom
components. 0 - good, 10 - bad
2 1 4 2 5 8
Ecosystem, 0- a lot of additional software, 10 - low level of
adoption 3-rd party software
0 0 5 2 2 5

@yurkvch | @altoros
Why do we need one more tool?!
BOSH:
● incredibly complicated
● limited talent availability
● no software defined networking
● limited ecosystem (data services)

@yurkvch | @altoros
Another superhero wanted!

@yurkvch | @altoros
Juju fact sheet
http://jujucharms.com
Name (Black) Magic
Start date April 2012
Major contributor Canonical
License AGPL 1.0
Languages Go 74%
JS 22%
Other 7%
Lines of code 354139
Contributors 171
Commits 14108

@yurkvch | @altoros
Ohh… So nice...

@yurkvch | @altoros
Juju charms for...

@yurkvch | @altoros
Let’s compare again
Deployment lifecycle management Rolling Updates*
Monitor / Health Checking
Backup and Restore
Orchestration Networking
Storage Management
VM Provisioning
Life-cycle Management
Interdependence (ability to create relations between services
without restarting deployment process)
Service Discovery Only in Enterprise With Plugin
Configuration Packaging
Templating
Service provisioning
* Rolling updates for Chef, Puppet and Juju are possible with additional customization of recepies/charms

@yurkvch | @altoros
● A complete stack by Canonical:
o Hardware: MAAS
o IaaS: OpenStack is deployed on
MAAS with Juju
o PaaS: Cloud Foundry is deployed atop
OpenStack using Juju
● GUI allows for designing, building,
configuring, deploying, and managing an
infrastructure
● Charm Store with hundreds of charms
● An easy switch between target
environments
Let’s do it!

@yurkvch | @altoros
Juju scheme of work

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Cloud Foundry on Juju

@yurkvch | @altoros
Issues and limitations
● Juju local environment is not supported
● CF version is r180
● Limited number of service brokers

@yurkvch | @altoros
Current state of the project
● core CF functionality
● charms generator for new version of cf-release
● using templates from cf-release
● possibility to set placement strategy
● deployment to AWS and OpenStack
● uses pre-built packages from S3

@yurkvch | @altoros
Look into the future
● no “rolling updates”
● lagging support of new versions of CF
● CF juju charms use non-trivial approach to deployment:
○ default way: charm are deployed one by one and relation
are added after it.
○ cf charm way: one (orchestrator) charm is deployed and
then it manages installations of other charms. CF charm
has limited types of configurations.

@yurkvch | @altoros
Make your choice!
Feature description BOSH CF Deployment Juju CF Deployment
Barrier to enter
Latest CF releases
Rolling updates
Flexible Architecture Management
Strong ecosystem
Ease of Installation

@yurkvch | @altoros
Thank you!
Contact info:
Andrei Yurkevich
andrei.yurkevich@altoros.com
@yurkvch
Further reading:
www.altoros.com/research-papers | @altoros

Cloud Foundry Deployment Tools: BOSH vs Juju Charms

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