Deploy File

The deploy configuration needs a number of variables to be able to run your farm:

EC2

• ec2_image_ami: The EC2 image AMI to use for a new instance
• ec2_key_pair_name: The name of the keypair to use for a new instance
• ec2_security_group: An EC2 security group (Amazon default is ‘default’)
• ec2_zone: The zone to use for starting new instances.
• ebs_size: The size of the EBS volume to create when adding new DB instances.
• aws_access_key: Your Amazon access key
• aws_secret: Your Amazon secret key
• aws_region: The region to use for this farm

Farm

• farm_db_host: The host with your farm SQL database
• farm_db_database: The database name
• farm_db_user, farm_db_password: Username and password for that database.
• chef_server: The address of your chef server
• chef_validation: Your chef validation key, so that clients can automatically authenticate themselves with chef.

Database

• db_user: The username to use on databases on DB instances
• db_password: … and the password
• db_database: … and the database name

Other

• git_host_key: The key of your git host. This is used to add your git host’s key to known_hosts on instances.

Tip: Using SSH-agent forwarding makes your scm configuration much simpler is most cases: set :ssh_options, { :forward_agent => true }