Class: Balancer::Destroy

Inherits:
Object
  • Object
show all
Extended by:
Memoist
Includes:
AwsService, SecurityGroup
Defined in:
lib/balancer/destroy.rb

Instance Method Summary collapse

Methods included from SecurityGroup

#authorize_elb_port, #aws_cli_command, #create_security_group, #destroy_security_group, #find_security_group, #option_transformer, #param, #pretty_display, #sg_vpc_id

Methods included from AwsService

#ec2, #elb

Constructor Details

#initialize(options) ⇒ Destroy

Returns a new instance of Destroy.



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# File 'lib/balancer/destroy.rb', line 7

def initialize(options)
  @options = options
  @name = options[:name]
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/balancer/destroy.rb', line 12

def run
  puts "Destroying ELB and target groups associated with: #{@name}"
  return if @options[:noop]

  begin
    resp = elb.describe_load_balancers(names: [@name])
  rescue Aws::ElasticLoadBalancingV2::Errors::LoadBalancerNotFound
    puts "Load balancer '#{@name}' not found. Exiting.".colorize(:red)
    exit 1
  end

  load_balancer = resp.load_balancers.first

  # Must load resources to be deleted into memory to delete them later since there
  # are dependencies and they won't be available to query after deleting some of the
  # resources.
  resp = elb.describe_listeners(load_balancer_arn: load_balancer.load_balancer_arn)
  listeners = resp.listeners
  resp = elb.describe_target_groups(load_balancer_arn: load_balancer.load_balancer_arn)
  groups = resp.target_groups

  listeners.each do |listener|
    elb.delete_listener(listener_arn: listener.listener_arn)
    puts "Deleted listener: #{listener.listener_arn}"
  end

  groups.each do |group|
    elb.delete_target_group(target_group_arn: group.target_group_arn)
    puts "Deleted target group: #{group.target_group_arn}"
  end

  resp = elb.delete_load_balancer(
    load_balancer_arn: load_balancer.load_balancer_arn,
  )
  puts "Deleted load balancer: #{load_balancer.load_balancer_arn}"

  destroy_security_group
end