Class: Ufo::Destroy

Inherits:
Object
  • Object
show all
Includes:
AwsService, Util
Defined in:
lib/ufo/destroy.rb

Instance Method Summary collapse

Methods included from AwsService

#cloudwatchlogs, #ecr, #ecs, #elb

Methods included from Util

#default_cluster, #default_params, #display_params, #execute, #pretty_time, #settings

Constructor Details

#initialize(service, options = {}) ⇒ Destroy

Returns a new instance of Destroy.



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# File 'lib/ufo/destroy.rb', line 6

def initialize(service, options={})
  @service = service
  @options = options
  @cluster = @options[:cluster] || default_cluster
end

Instance Method Details

#are_you_sure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ufo/destroy.rb', line 52

def are_you_sure?
  return true if @options[:sure]
  puts "You are about to destroy #{@service.colorize(:green)} service on the #{@cluster.colorize(:green)} cluster."
  print "Are you sure you want to do this? (y/n) "
  answer = $stdin.gets.strip
  answer =~ /^y/
end

#bye ⇒ Object 



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

def bye
  unless are_you_sure?
    puts "Phew, that was close"
    exit
  end

  clusters = ecs.describe_clusters(clusters: [@cluster]).clusters
  if clusters.size < 1
    puts "The #{@cluster} cluster does not exist so there can be no service on that cluster to delete."
    exit
  end

  services = ecs.describe_services(cluster: @cluster, services: [@service]).services
  service = services.first
  if service.nil?
    puts "Unable to find #{@service} service to delete it."
    exit
  end
  if service.status != "ACTIVE"
    puts "The #{@service} service is not ACTIVE so no need to delete it."
    exit
  end

  # changes desired size to 0
  ecs.update_service(
    desired_count: 0,
    cluster: @cluster,
    service: @service
  )
  # Cannot find all tasks scoped to a service.  Only scoped to a cluster.
  # So will not try to stop the tasks.
  # ask to stop them
  #
  resp = ecs.delete_service(
    cluster: @cluster,
    service: @service
  )
  puts "#{@service} service has been scaled down to 0 and destroyed." unless @options[:mute]
end