Talk given at OpenStack online meetup on 19 August 2014

1. Clocker
and
OpenStack
Andrew
Kennedy,
Dave
Nielsen
and
Andrea
Turli
OpenStack
Meetup,
19
August
2014

2. IntroducCon
• Speakers
– Andrew
Kennedy
and
Andrea
Turli
– Dave
Neilsen
• Overview
– Docker
– Brooklyn
– Campsite
– OpenStack

3. Docker
• IntroducCon
• Popularity
• History
• Ecosystem

4. Docker

5. Docker
• Technical
• Containers
• Micro
Services
• Dockerfiles
– ConfiguraCon
– Volumes
– Composable

6. Docker
• Cloud
Usage
• OpenStack
• Manual
Process
– CredenCals
and
Keys
– OperaCng
System
and
Hardware
– Download
and
InstallaCon
– ConfiguraCon
– Dockerfile
per
Service

7. Brooklyn
• Brooklyn
– ApplicaCon
Management
PlaOorm
– Autonomic
CompuCng
• YAML
Blueprint
– Services
(EnCCes)
– ConfiguraCon
– ATributes
(Sensors)
– AcCons
(Effectors)

8. Clocker
• Infrastructure
– Apache
jclouds
Supported
Cloud
with
CredenCals
• Docker
Host
– Running
the
Docker
Service
– REST
API
Access
Using
jclouds
1.8.0
Docker
Driver
– Virtual
Machine
Access
Using
SSH
– Cluster
of
Containers
• Docker
Container
– Running
Services
and
Commands
for
EnCty

9. Clocker

10. DemonstraCon
Deploying
a
Docker
Cloud

11. Clocker
• Demand
Side
– Create
a
New
Container
– Resize
Cluster
of
EnCCes
– AutoScaler
Policy
ATached
to
Cluster
• Supply
Side
– Placement
Strategies
for
Containers
– Depth
or
Breadth
First
– Affinity
Rules
– Resource
AllocaCon
(CPU
Shares,
Load,
Memory,
…)

12. Clocker
• ApplicaCon
Deployment
– CAMP
Blueprint
in
YAML
– Java
Classes
– Mostly
Unchanged
• Docker
Specific
ConfiguraCon
– Affinity
Rules
or
Placement
Strategy
– Dockerfile
or
Image
ID
– CPU
or
Memory
Shares
– Docker
Volumes

13. DemonstraCon
ApplicaCons
on
the
Docker
Cloud

14. Campsite
ApplicaCon
• GitHub
Repository
• Components
– PHP
Web
ApplicaCon
– Node.JS
RESTful
API
– MySQL
Database
• Cloud
Services
– Email
– Message
Queue
– Object
Store

15. Campsite
Blueprint
id:
campsite-­‐application
locations:
-­‐
jclouds:hpcloud-­‐compute
services:
-­‐
serviceType:
brooklyn.entity.database.mysql.MySqlNode
-­‐
serviceType:
brooklyn.campsite.entity.CampsiteWebapp
brooklyn.config:
objectStorage:
AWSObjectStorage
queueService:
AWS_SQS
emailService:
AWS_SES
databaseHost:
$brooklyn:component("mysql").attributeWhenReady("host.name")
databasePort:
$brooklyn:component("mysql").attributeWhenReady("mysql.port")
databaseUser:
"campsite"
databasePassword:
"p4ssw0rd"
domainName:
"campsite.org"
-­‐
serviceType:
brooklyn.campsite.entity.CampsiteApi

16. Campsite
Blueprint
• Java
Components
– CampsiteWebapp
PHP
EnCty
– CampsiteApi
Node.JS
EnCty
• Campsite
ApplicaCon
– ConfiguraCon
ProperCes
– Webapp,
API
and
MySQL
Database
EnCCes
• YAML
Blueprint

17. DemonstraCon
Campsite
Deployment

18. Campsite
Cluster
• Add
Cluster
CapabiliCes
• No
Extra
Coding
– Just
Write
YAML
Blueprint
– CampsiteWebapp
Already
Set
Up
– Stateless
Service
(Uses
SQL
Database)
– Only
Run
Database
Create
and
Install
Once
• New
Services
– Nginx
Load
Balancer
EnCty
– Rabbit
MQ
Broker
EnCty

19. DemonstraCon
Campsite
Cluster
Blueprint

20. Summary
• Docker
Containers
– Micro
Services
• LimitaCons
– MulCple
Hosts
– Management
• Clocker
– ApplicaCon
Blueprints
– OrchestraCon

21. Web
Resources
http://clocker.io/
http://brooklyn.io/
https://github.com/brooklyncentral/campsite/
https://github.com/dnielsen/campapp/
http://docker.io/
http://davenielsen.wordpress.com