Module: Cirrus

Extended by:
Cirrus
Included in:
Cirrus
Defined in:
lib/cirrus.rb,
lib/cirrus/scp.rb,
lib/cirrus/ssh.rb,
lib/cirrus/version.rb,
lib/cirrus/security_group.rb

Defined Under Namespace

Modules: Instance, KeyPair, SCP, SSH, SecurityGroup

Constant Summary collapse

VERSION = 
"0.0.1"

Instance Method Summary collapse

Instance Method Details

#setup(image_id, ec2_opts) ⇒ Object

Launch an instance with the default Cirrus key pair and security group, provision the instance, and wait for it to launch

image_id - String identifier, ex: “ami-ee4f77ab” ec2_opts - Hash of

access_key_id - String
secret_access_key - String
region - String, ex: "us-east-1"

Returns nothing



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# File 'lib/cirrus.rb', line 17

def setup(image_id, ec2_opts)
  puts "Starting setup for #{ec2_opts[:region]} ..."

  ec2 = AWS::EC2.new(ec2_opts)

  key_pair, private_key_filename = Cirrus::KeyPair.find_or_create_default(ec2)

  security_group = Cirrus::SecurityGroup.find_or_create_default(ec2)

  instance_type = "m1.small"
  launch_opts = {
    :image_id => image_id,
    instance_type: instance_type,
    :key_pair => key_pair,
    :security_groups => security_group
    # :associate_public_ip_address => true # Only for VPC launch
  }
  tags = { 'Name' => "cirrus-sample-#{Time.now.to_i}" }
  instance = Cirrus::Instance.launch(ec2, launch_opts, tags)

  host = instance.public_ip_address

  Cirrus::SSH.bootstrap(
    host: host,
    username: 'ubuntu',
    private_key_path: private_key_filename,
    source_path: nil
  )

  puts "Done! Provisioned instance #{instance.id} host #{host}, key #{private_key_filename}"
end

#teardown(instance_id, ec2_opts) ⇒ Object

Terminate an instance and its associated security groups / key pairs

instance_id - String id, ex: “i-74f86cbe” ec2_opts - Hash of

access_key_id - String
secret_access_key - String
region - String, ex: "us-east-1"

Returns nothing



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# File 'lib/cirrus.rb', line 59

def teardown(instance_id, ec2_opts)
  puts "Tearing down #{instance_id} ..."

  ec2 = AWS::EC2.new(ec2_opts)
  Cirrus::Instance.teardown(ec2, instance_id)

  puts "Teardown successful for #{instance_id}!"
end