AWS Cloud Plugin: Implement AWS specific cloud plugin with S3 gateway and EC2 discovery

[kimchy]

Replacing the previous cloud plugin, implements an AWS specific cloud plugin that provides both S3 gateway and EC2 discovery.

Installation

Installing the cloud plugin (once 0.9 is out) can be done using: bin/plugin -install cloud-aws.

h2. Generic Settings

A generic configuration of the AWS that includes the account and key can be set using:

cloud:
  aws:
    access_key: XXXX
    secret_key: YYYY

S3 Gateway

The S3 gateway is configured using:

gateway:
 type: s3
 s3:
   bucket: bucket_name_goes_here

The s3 gateway allows for the following settings:

• bucket: The bucket name, required.
• region: The region, defaults to us-standard. Can be one of us-west, EU, and ap-southeast-1.

EC2 Discovery

The EC2 based discovery can be set using:

discovery:
  type: ec2

The ec2 discovery allows for the following settings:

• host_type: The host that will be used to connect to other instances. Can be private_ip, public_ip, private_dns, and public_dns. Defaults to private_dns.
• groups: A set of security groups (either as array, or comma separated) to filter instances to connect to. Defaults to no filtering at all.
• availability_zones: A set of availability zones (either as array, or comma separated) to filter instances to connect to. Defaults to no filtering at all.

[kimchy]

implemented.