Class: VagrantPlugins::AWS::Action::RunInstance

Inherits:
Object
  • Object
show all
Includes:
Vagrant::Util::Retryable
Defined in:
lib/vagrant-aws/action/run_instance.rb

Overview

This runs the configured instance.

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ RunInstance

Returns a new instance of RunInstance.



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# File 'lib/vagrant-aws/action/run_instance.rb', line 15

def initialize(app, env)
  @app    = app
  @logger = Log4r::Logger.new("vagrant_aws::action::run_instance")
end

Instance Method Details

#allows_ssh_port?(env, test_sec_groups, is_vpc) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vagrant-aws/action/run_instance.rb', line 179

def allows_ssh_port?(env, test_sec_groups, is_vpc)
  port = 22 # TODO get ssh_info port
  test_sec_groups = [ "default" ] if test_sec_groups.empty? # AWS default security group
  # filter groups by name or group_id (vpc)
  groups = test_sec_groups.map do |tsg|
    env[:aws_compute].security_groups.all.select { |sg| tsg == (is_vpc ? sg.group_id : sg.name) }
  end.flatten
  # filter TCP rules
  rules = groups.map { |sg| sg.ip_permissions.select { |r| r["ipProtocol"] == "tcp" } }.flatten
  # test if any range includes port
  !rules.select { |r| (r["fromPort"]..r["toPort"]).include?(port) }.empty?
end

#call(env) ⇒ Object 



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# File 'lib/vagrant-aws/action/run_instance.rb', line 20

def call(env)
  # Initialize metrics if they haven't been
  env[:metrics] ||= {}

  # Get the region we're going to booting up in
  region = env[:machine].provider_config.region

  # Get the configs
  region_config         = env[:machine].provider_config.get_region_config(region)
  ami                   = region_config.ami
  availability_zone     = region_config.availability_zone
  instance_type         = region_config.instance_type
  keypair               = region_config.keypair_name
  private_ip_address    = region_config.private_ip_address
  security_groups       = region_config.security_groups
  subnet_id             = region_config.subnet_id
  tags                  = region_config.tags
  user_data             = region_config.user_data
  block_device_mapping  = region_config.block_device_mapping
  elastic_ip            = region_config.elastic_ip
  terminate_on_shutdown = region_config.terminate_on_shutdown
  iam_instance_profile_arn  = region_config.iam_instance_profile_arn
  iam_instance_profile_name = region_config.iam_instance_profile_name

  # If there is no keypair then warn the user
  if !keypair
    env[:ui].warn(I18n.t("vagrant_aws.launch_no_keypair"))
  end

  # If there is a subnet ID then warn the user
  if subnet_id && !elastic_ip
    env[:ui].warn(I18n.t("vagrant_aws.launch_vpc_warning"))
  end

  # Launch!
  env[:ui].info(I18n.t("vagrant_aws.launching_instance"))
  env[:ui].info(" -- Type: #{instance_type}")
  env[:ui].info(" -- AMI: #{ami}")
  env[:ui].info(" -- Region: #{region}")
  env[:ui].info(" -- Availability Zone: #{availability_zone}") if availability_zone
  env[:ui].info(" -- Keypair: #{keypair}") if keypair
  env[:ui].info(" -- Subnet ID: #{subnet_id}") if subnet_id
  env[:ui].info(" -- IAM Instance Profile ARN: #{iam_instance_profile_arn}") if iam_instance_profile_arn
  env[:ui].info(" -- IAM Instance Profile Name: #{iam_instance_profile_name}") if iam_instance_profile_name
  env[:ui].info(" -- Private IP: #{private_ip_address}") if private_ip_address
  env[:ui].info(" -- Elastic IP: #{elastic_ip}") if elastic_ip
  env[:ui].info(" -- User Data: yes") if user_data
  env[:ui].info(" -- Security Groups: #{security_groups.inspect}") if !security_groups.empty?
  env[:ui].info(" -- User Data: #{user_data}") if user_data
  env[:ui].info(" -- Block Device Mapping: #{block_device_mapping}") if block_device_mapping
  env[:ui].info(" -- Terminate On Shutdown: #{terminate_on_shutdown}")

  options = {
    :availability_zone         => availability_zone,
    :flavor_id                 => instance_type,
    :image_id                  => ami,
    :key_name                  => keypair,
    :private_ip_address        => private_ip_address,
    :subnet_id                 => subnet_id,
    :iam_instance_profile_arn  => iam_instance_profile_arn,
    :iam_instance_profile_name => iam_instance_profile_name,
    :tags                      => tags,
    :user_data                 => user_data,
    :block_device_mapping      => block_device_mapping,
    :instance_initiated_shutdown_behavior => terminate_on_shutdown == true ? "terminate" : nil
  }
  if !security_groups.empty?
    security_group_key = options[:subnet_id].nil? ? :groups : :security_group_ids
    options[security_group_key] = security_groups
  end

  begin
    env[:ui].warn(I18n.t("vagrant_aws.warn_ssh_access")) unless allows_ssh_port?(env, security_groups, subnet_id)

    server = env[:aws_compute].servers.create(options)
  rescue Fog::Compute::AWS::NotFound => e
    # Invalid subnet doesn't have its own error so we catch and
    # check the error message here.
    if e.message =~ /subnet ID/
      raise Errors::FogError,
        :message => "Subnet ID not found: #{subnet_id}"
    end

    raise
  rescue Fog::Compute::AWS::Error => e
    raise Errors::FogError, :message => e.message
  rescue Excon::Errors::HTTPStatusError => e
    raise Errors::InternalFogError,
      :error => e.message,
      :response => e.response.body
  end

  # Immediately save the ID since it is created at this point.
  env[:machine].id = server.id

  # Wait for the instance to be ready first
  env[:metrics]["instance_ready_time"] = Util::Timer.time do
    tries = region_config.instance_ready_timeout / 2

    env[:ui].info(I18n.t("vagrant_aws.waiting_for_ready"))
    begin
      retryable(:on => Fog::Errors::TimeoutError, :tries => tries) do
        # If we're interrupted don't worry about waiting
        next if env[:interrupted]

        # Wait for the server to be ready
        server.wait_for(2) { ready? }
      end
    rescue Fog::Errors::TimeoutError
      # Delete the instance
      terminate(env)

      # Notify the user
      raise Errors::InstanceReadyTimeout,
        timeout: region_config.instance_ready_timeout
    end
  end

  @logger.info("Time to instance ready: #{env[:metrics]["instance_ready_time"]}")

  # Allocate and associate an elastic IP if requested
  if elastic_ip
    domain = subnet_id ? 'vpc' : 'standard'
    do_elastic_ip(env, domain, server)
  end

  if !env[:interrupted]
    env[:metrics]["instance_ssh_time"] = Util::Timer.time do
      # Wait for SSH to be ready.
      env[:ui].info(I18n.t("vagrant_aws.waiting_for_ssh"))
      while true
        # If we're interrupted then just back out
        break if env[:interrupted]
        break if env[:machine].communicate.ready?
        sleep 2
      end
    end

    @logger.info("Time for SSH ready: #{env[:metrics]["instance_ssh_time"]}")

    # Ready and booted!
    env[:ui].info(I18n.t("vagrant_aws.ready"))
  end

  # Terminate the instance if we were interrupted
  terminate(env) if env[:interrupted]

  @app.call(env)
end

#do_elastic_ip(env, domain, server) ⇒ Object 



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# File 'lib/vagrant-aws/action/run_instance.rb', line 192

def do_elastic_ip(env, domain, server)
  begin
    allocation = env[:aws_compute].allocate_address(domain)
  rescue
    @logger.debug("Could not allocate Elastic IP.")
    terminate(env)
    raise Errors::FogError,
                    :message => "Could not allocate Elastic IP."
  end
  @logger.debug("Public IP #{allocation.body['publicIp']}")

  # Associate the address and save the metadata to a hash
  if domain == 'vpc'
    # VPC requires an allocation ID to assign an IP
    association = env[:aws_compute].associate_address(server.id, nil, nil, allocation.body['allocationId'])
    h = { :allocation_id => allocation.body['allocationId'], :association_id => association.body['associationId'], :public_ip => allocation.body['publicIp'] }
  else
    # Standard EC2 instances only need the allocated IP address
    association = env[:aws_compute].associate_address(server.id, allocation.body['publicIp'])
    h = { :public_ip => allocation.body['publicIp'] }
  end

  unless association.body['return']
    @logger.debug("Could not associate Elastic IP.")
    terminate(env)
    raise Errors::FogError,
                    :message => "Could not allocate Elastic IP."
  end

  # Save this IP to the data dir so it can be released when the instance is destroyed
  ip_file = env[:machine].data_dir.join('elastic_ip')
  ip_file.open('w+') do |f|
    f.write(h.to_json)
  end
end

#recover(env) ⇒ Object 



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# File 'lib/vagrant-aws/action/run_instance.rb', line 170

def recover(env)
  return if env["vagrant.error"].is_a?(Vagrant::Errors::VagrantError)

  if env[:machine].provider.state.id != :not_created
    # Undo the import
    terminate(env)
  end
end

#terminate(env) ⇒ Object 



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# File 'lib/vagrant-aws/action/run_instance.rb', line 228

def terminate(env)
  destroy_env = env.dup
  destroy_env.delete(:interrupted)
  destroy_env[:config_validate] = false
  destroy_env[:force_confirm_destroy] = true
  env[:action_runner].run(Action.action_destroy, destroy_env)
end