Class: Chapp::EC2Provisioner

Inherits:
Provisioner show all
Defined in:
lib/chapp/provisioner/ec2_provisioner.rb

Constant Summary collapse

ACCESS_KEY =

Knife config

"ec2_access_key_id"
SECRET_KEY = 
"ec2_secret_access_key"
KEY_PAIR = 
"ec2_key_pair"
IMAGE_ID =

App config

"image_id"
INSTANCE_TYPE = 
"instance_type"

Instance Method Summary collapse

Instance Method Details

#build_server(app_config, properties) ⇒ Object 



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# File 'lib/chapp/provisioner/ec2_provisioner.rb', line 16

def build_server app_config, properties
  
  errors = []
  
  access_key = Chef::Config[ACCESS_KEY]
  secret_key = Chef::Config[SECRET_KEY]
  key_pair = Chef::Config[KEY_PAIR]
  
  if access_key.nil?
    errors << "#{ACCESS_KEY} must be specified in your knife config"
  end
  
  if secret_key.nil?
    errors << "#{SECRET_KEY} must be specified in your knife config"
  end
  
  if key_pair.nil?
    errors << "#{KEY_PAIR} must be specified in your knife config"
  end
  
  unless app_config.cloud.has_key? IMAGE_ID
    errors << "#{IMAGE_ID} must be specified in your app's cloud config"
  end
  
  unless app_config.cloud.has_key? INSTANCE_TYPE
    errors << "#{INSTANCE_TYPE} must be specified in your app's cloud config"
  end
  
  image_id = app_config.cloud[IMAGE_ID]
  instance_type = app_config.cloud[INSTANCE_TYPE]
  
  ec2 = AWS::EC2.new(:access_key_id => access_key, :secret_access_key => secret_key)
  
  instance = ec2.instances.create(
    :image_id => image_id,
    :instance_type => instance_type,
    :key_pair => ec2.key_pairs[key_pair]
  )
  
  puts "Waiting for new instance with id #{instance.id} to become available..."
  sleep 1 while instance.status == :pending
  
  puts "#{instance.dns_name} is ready"

  # TODO: Wait for SSH to become available
  sleep 70

  instance.dns_name
end