The document discusses the integration of Chef with Cloudify as a foundation for Platform as a Service (PaaS) by addressing the challenges in Infrastructure as a Service (IaaS) and PaaS delivery. It highlights the benefits of using Chef for automated setup and orchestration while emphasizing Cloudify's role in combining DevOps with PaaS. The integration allows for better application lifecycle management, monitoring, and scalability within an open cloud environment.

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How Cloudify uses Chef as a
foundation for PaaS
@natishalom
natishalom.typepad.com

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PaaS
IaaS
PaaS
IaaS
The Blurring line between IaaS & PaaS

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IaaS, PaaS & Apps
• IaaS & PaaS run on Software just like any App
– Messaging: RabitMQ
– DataBase: Postgress
– Web Container
• Common needs
– Automation
– HA
– Scaling ..

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IaaS delivers software services
• IaaS Services
– RDS,
– SimpleDB
– LoadBalancer
– Memcache

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PaaS delivers Software Services

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But..
• Services are delivered as a black-box
• We have little control over the type, version or
the way those services are delivered
• Inconsistent behavior & management
– IaaS & PaaS run on separate deployment, scaling,
HA and Scaling models

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Apps are a composite of services
Apps is a living organism – Things can fail, move, be added over time

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Welcome to the Open Cloud
– New opportunities on how to deliver IaaS & PaaS:
• Share infrastructure between the two layers
• Gain better control on the way services and apps are
being delivered

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Enter Chef
• Why Chef?
– Setup and Configure software services
– As a foundation for IaaS
– 100’s of cookbooks
– Open Source
• It only makes sense to use Chef as a
foundation for PaaS

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Enter Cloudify
• Cloudify is an Open PaaS Stack
• Cloudify brings DevOps & PaaS together
• Integrates tightly with Chef

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Chef & Cloudify
Cloudify
• App life cycle &
orchestration (deployment
dependencies, fail-over,
auto-scaling)
• Application management &
Monitoring
App-Centric
Chef
• Infrastructure management
(OS setup, network, security
configuration)
• Setup & installation
(package, configure, install,
start)
Infrastructure-Centric

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• Integration anatomy (how things happen)
• Working With Chef Client
– Configuring the Chef Server information in Cloudify
– Preparing a Recipe that wraps a cookbook
– Running the recipe
• Working With Chef Solo
– Preparing the recipe
– Installing chef server using chef solo
• Updating the Chef Server
• Interacting with Chef after deployment
Cloudify & Chef Deep Dive

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INTEGRATION ANATOMY
Cloudify creates the virtual machines and
installs Cloudify agents on them
How It Works

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INTEGRATION ANATOMY
Cloudify agents install Chef clients and run
them with the the proper recipes / roles
How It Works

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INTEGRATION ANATOMY
Chef clients install the required application
services
How It Works

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INTEGRATION ANATOMY
Cloudify monitors and scales the
application as needed
How It Works

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• Extend the base Chef Recipe to Install the run
list you need
Create The Recipe
service {
extend "../../../services/chef"
name "your service name"
type "DATABASE"
numInstances 1
compute {
template "SMALL_UBUNTU"
}
lifecycle {
startDetectionTimeoutSecs 240
startDetection {
ServiceUtils.isPortOccupied(System.getenv()["CLOUDIFY_AGENT_ENV_PRIVATE
_IP"], 3306)
}
}
}
Custom Service Name
Add Custom Start Detector
Extending the Chef Recipe

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• Have the following in your recipe properties
file:
18
Configure The Recipe
runParams = [
“param1": “value1”,
“param2": [“key1”:”subvalue1”,…]
…
"run_list": ["recipe[cookbook_name::recipe_name]"]
]
Runtime parameters
Run list
(Recipes or Roles)

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Chef Server Management
• The Chef server recipe has a few custom commands for management
from the Cloudify CLI

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Chef Server Custom Commands
• updateCookbooks: load cookbooks to the
Chef server (repo types: tar, git, svn)
invoke chef-server updateCookbooks tar <url>
• cleanupCookbooks: remove all cookbooks from
the Chef server
invoke chef-server cleanupCookbooks
• listCookbooks: list all cookbooks
invoke chef-server listCookbooks
• knife: Run knife
invoke chef-server knife cookbook list

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• Invoke a chef client with role “web”
invoke <service-name> run_chef role[web] client
• Invoke Chef solo, speciying the recipe and cookbooks URL:
invoke <service-name> run_chef recipe[mysql::server]
solo http://somehost/cookbooks.tar.gz
Running Chef Iteratively - Examples
Mode
Run list
Mode
Run list
Cookbooks URL

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Demo Time..

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Thank You!
GET IT TODAY, IT’S OPEN SOURCE & FREE:
WWW.CLOUDIFYSOURCE.ORG
GITHUB.COM/CLOUDIFY/CLOUDIFY-RECIPES