This is a vendor neutral perspective of Cloud Foundry OpenSource Project

1. Cloud Foundry
Overview
Compiled by Rajdeep Dua
VMware India
twitter : @rajdeepdua
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2. Cloud Computing Pyramid
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3. Paas Players
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4. What is Cloud Foundry
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OpenSource Paas Platform
Supports Multiple Frameworks
Supports Multiple Services
Can be run on Public or Private Infrastructure
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5. Cloud Foundry
Frameworks Supported
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Java : Java Web Apps, Spring, Play
Ruby : Rails, Sinatra
Scala : Play
Node.js
Custom Runtime : Using BuildPacks
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6. Cloud Foundry
Services Supported
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SQL : PostgreSQL , MySQL
NoSQL : MongoDB, Redis
Messaging : RabbitMQ
Hadoop from TreasureData
Email Service from SendGrid
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7. Cloud Foundry Marketplace
$ cf services --marketplace
Getting services... OK
service
blazemeter
cleardb
cloudamqp
elephantsql
loadimpact
mongolab
newrelic
rediscloud
sendgrid
treasuredata
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version
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
provider
blazemeter
cleardb
cloudamqp
elephantsql
loadimpact
mongolab
newrelic
garantiadata
sendgrid
treasuredata
plans
free-tier
spark
lemur
turtle
lifree
sandbox
standard
20mb
free
nano
description
The JMeter Load Testing Cloud
Highly available MySQL for your Apps.
Managed HA RabbitMQ servers in the cloud
PostgreSQL as a Service
Cloud-based, on-demand website load testing
Fully-managed MongoDB-as-a-Service
Manage and monitor your apps
Enterprise-Class Redis for Developers
Email Delivery. Simplified.
Hadoop-based Cloud Data Warehouse
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8. Application Lifecycle with
Cloud Foundry
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9. Organization and Spaces
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Organizations and Spaces are the main organizational units in which
applications, services, domains, routes, and users are contained
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10. Organization
Organization : Top Level Meta
Object
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11. Spaces
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Spaces : Organization is
mapped to Multiple - Spaces.
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Default : development, staging
and production
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1
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Each Organization can have one
or more spaces
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12. Domains
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Each space is associated with
one or more Domains
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Default Domain is cfapps.io
Each Space has one or more
Domains
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1
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1
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Space has one or more
Applications and Services
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13. Routes
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A route, based on a domain with
an optional host as a prefix, may
be associated with one or more
applications
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A Route can be associated with
one or more Applications
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14. Cloud Foundry Architecture
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15. Architectural Elements
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No Single Point of Failure
Self Healing
Distributed Architecture
Horizontal Scaling
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16. Cloud Foundry Layers
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17. Cloud Foundry Runtime
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18. Cloud Foundry Runtime
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19. Cloud Controller
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Interfaces with development tool
requests
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Maintains the Orgs, Spaces, Services
using CC_DB PostgreSQL database
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Uses NATS Messaging for interacting
with DEA, UAA, Services and Health
Manager
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Heart of Cloud Foundry
Orchestration
Written using Sinatra Framework
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20. DEA - Execution Agent
• Manages the Warden
Containers
• Stages the App as a
Droplet
• Run Droplets as App
Instances
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21. Components of DEA
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Directory Server : Maps
Application Ids to the actual
Application Instances running
inside Warden Containers
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Stagers
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Take request from Cloud
Controller and create a
Droplet from the Build Pack
Manage the Warden Containers
which run the App Instances
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22. DEA - Application Isolation
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23. App Staging Process
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24. Router
• Routers requests coming
from External entities to
DEA, Cloud Controller,
Services or UAA
• Written in Go language to
be able to serve HTTP and
TCP Requests
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25. Components of the Router
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Registry : Maintains a Map of URI to the Route
Endpoint
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Register an App
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Unregister an App
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Proxy : Where all the Requests are routed and
passed on to Request Handler
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Request Handler : Handles the following requests
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Http, TCP and Web socket requests
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26. Services
• Manages the Service
Lifecycle and connects the
Services and the Apps
• Requests come in from
Cloud controller for
provisioning, un
provisioning of a service
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27. Service Components
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All the incoming requests are handled by
AsynchronousServiceGateway
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Requests Handled by ServiceGateway
★
★
Bind/Unbind a provisioned Service Instance to an
Application
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Create/Get/Update a Service Snapshot
★
Enumerate a Snapshot
★
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Provision / Un provision an Instance of a Service
Service Migration
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28. Build Packs
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Used to prepare a deployable Image of an
Application
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29. Build Packs
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Three Standard Build Packs shipped with Cloud
Foundry
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Java Build Pack
Node.js Build Pack
Ruby Build Pack
Cloud Foundry Build Packs are compatible with
Heroku Build Packs
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30. Java Build Pack
Choice of
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Groovy
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Spring Boot CLI
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Tomcat
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Play JPA Pluggin
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OpenJDK Version
New Relic
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31. Ruby Build Pack
• Multiple Ruby and Bundler versions
• Default is 1.9.3
• Supported Ruby Versions 1.8.7, 1.9.2, 1.9.3, 2.0.0
Node.js Build Pack
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Multiple Node.js and npm
versions
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32. Java Build Pack
Containers
Frameworks
Java
Tomcat
Groovy
Play
Spring Boot CLI
Spring
Play
Play JPA
New Relic
JRE
OpenJDK
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33. Java Build Pack - Java and Play
Frameworks
Containers
Java
Play
Tomcat
Groovy
Spring Boot CLI
JRE
OpenJDK
Spring
Play
Play JPA
New Relic
Java
Detection :
Supports Java Application with main() method :
Main-Class attribute set in META-INF/
MANIFEST.MF for the JAR OR java_main_class set
in Build packs’ config/main.yml
Tags : java-main
Play
Detection : The Play start script and the Play
runtime JAR exist in the appropriate subdirectories
Tags : play-framework=<version>
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34. Java Build Pack - Tomcat
Frameworks
Containers
Java
Play
Tomcat
Groovy
Spring Boot CLI
JRE
OpenJDK
Spring
Play
Play JPA
New Relic
Tomcat
Detection :
Existence of a WEB-INF/ folder in the application directory
and Java Main Class not detected
Tags : tomcat=〈version〉, tomcat-buildpacksupport=〈version〉
Configuration :
repository_root : The URL of the tomcat repository
version
: The version of tomcat to use.
#
Configuration
for
the
Tomcat
container
-­‐-­‐-­‐
version:
7.0.+
repository_root:
"http://download.pivotal.io.s3.amazonaws.com/tomcat"
support:
version:
1.1.+
repository_root:
"http://download.pivotal.io.s3.amazonaws.com/tomcat-­‐buildpack-­‐support"
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35. Java Build Pack - Groovy
Frameworks
Containers
Java
Play
Tomcat
Groovy
Spring Boot CLI
JRE
OpenJDK
Spring
Play
Play JPA
New Relic
Groovy
Detection :
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A .groovy file exists which has a main() method, or
A .groovy file exists which is not a POGO (a POGO
contains one or more classes), or
A .groovy file exists which has a shebang (#!)
declaration
Tags : groovy=〈version〉
Configuration
repository_root : The URL of the Groovy
repository
version
: The version of Groovy to use.
#
Configuration
for
the
Groovy
container
-­‐-­‐-­‐
version:
2.1.+
repository_root:
"http://download.pivotal.io.s3.amazonaws.com/groovy"
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36. Java Build Pack - Groovy
Frameworks
Containers
Java
Play
Tomcat
Groovy
Spring Boot CLI
JRE
OpenJDK
Spring
Play
Play JPA
New Relic
Spring Boot ClI : Allows creation of Spring and Java Apps
Detection :
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A .groovy file exists which has a main() method, or
A .groovy file exists which is not a POGO (a POGO contains one or
more classes), or
A .groovy file exists which has a shebang (#!) declaration
The application does not have a WEB-­‐INF subdirectory of its root
directory.
Tags : spring-boot-cli=〈version〉
Configuration
repository_root : The URL of the Spring Boot Cli
repository
version
: The version of Spring Boot Cli to use.
#
Configuration
for
the
Groovy
container
-­‐-­‐-­‐
version:
0.5.0_+
repository_root:
"http://download.pivotal.io.s3.amazonaws.com/spring-­‐boot-­‐cli"
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37. Java Build Pack - Spring Auto
Reconfig
Containers
Java
Play
Tomcat
Groovy
Spring Boot CLI
Framework
JRE
OpenJDK
Spring Config
Play
Play JPA
New Relic
Spring Auto Reconfiguration
Framework : Reconfigures the Application to be bound
to Cloud Services
Detection :
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Existence of a spring-­‐core*.jar file in the application
directory
Tags : spring-­‐auto-­‐reconfiguration=<version>
Configuration
repository_root : Auto Reconfiguration repository
version
: The version of Auto Reconfiguration repository
to use.
-­‐-­‐-­‐
version:
0.+
repository_root:
"http://download.pivotal.io.s3.amazonaws.com/auto-­‐reconfiguration"
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38. Java Build Pack -OpenJDK
Containers
Java
Play
Tomcat
Groovy
Spring Boot CLI
Framework
Spring Config
Play
Play JPA
New Relic
JRE
OpenJDK
-­‐-­‐-­‐
repository_root:
"http:...”
version:
1.7.0_+
memory_sizes:
permgen:
64m..
memory_heuristics:
heap:
75
permgen:
10
stack:
5
native:
10
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OpenJDK Framework :
Reconfigures the Application to be bound to
Cloud Services
Detection : Unconditional
Tags : openjdk=〈version〉
Configuration
repository_root :
version
:
memory_sizes
:
memory_heuristics
:
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39. Java Build Pack -OpenJDK Config
File
Containers
Java
Play
Tomcat
Groovy
Spring Boot CLI
Framework
Spring Config
Play
Play JPA
New Relic
JRE
OpenJDK
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OpenJDK Framework :
-­‐-­‐-­‐
repository_root:
"http:...”
version:
1.7.0_+
memory_sizes:
permgen:
64m..
memory_heuristics:
heap:
75
permgen:
10
stack:
5
native:
10
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40. Summary
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Cloud Foundry is a Polyglot Open Source Paas
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Avoids vendor lock-in
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Can be run on Public or Private Cloud
It is Iaas agnostic : Supports vSphere, AWS,
OpenStack
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