Amazon Web Services
Yann Klis, Novelys, 30 novembre 2008

EC2 + S3 + EBS
+
SQS + SimpleDB

EC2
(Elastic Cloud Computing)

EC2 API
 EC2 API Tools (command line)
 PKI
 Public and private key
 Certificates
 AWS Access Key
 Secret Access Key

Instance Types
 Standard Instances
 Small Instance
 Large Instance
 Extra Large Instance
 High­CPU Instances
 High­CPU Medium Instance
 High­CPU Extra Large Instance

EBS
(Elastic Block Store)
contributed by Novelys with the approval of our customer Keldelice.com

S3
(Simple Storage Service)

Extra Thoughts on Cloud Computing
 Don't know how many machines you will need
 Don't know how many machines you will need at a
certain time
 IP addresses could change, as DNS name
 However, entry points must not change
 Several instance types could form your cloud
 How to manage the interaction inside your cloud ?

”With cloud computing, computing
capabilities are nearly endless.
Sky is the limit !”, Yann Klis

skyisthelimit capistrano plugin
 Launch your instances according to some roles and
assigned number of instances
 Provision your instances (install packages,
rubygems, gems)
 Install additionnal configuration files
 Every previous bits are configurable generally or by
role (configuration bits are unioned)