Class: Seiton::Ec2

Inherits:
Client show all
Includes:
Ec2Check, Helper
Defined in:
lib/seiton/resouces/ec2.rb

Constant Summary

Constants inherited from Client

Client::CLIENTS

Instance Method Summary collapse

Methods included from Ec2Check

#generator_ebs_snapshots_check, #generator_ec2_eips_check, #generator_ec2_images_check, #generator_ec2_instances_check, #generator_ec2_volumes_check

Methods included from Helper

#datetime_parse, #log, #name_tag, #process_ok?, #volume_ids

Methods inherited from Client

#initialize

Constructor Details

This class inherits a constructor from Seiton::Client

Instance Method Details

#ebs_snapshot(delete_image_ids) ⇒ Object 



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# File 'lib/seiton/resouces/ec2.rb', line 225

def ebs_snapshot(delete_image_ids)
  log.info('Start EC2 Snapshot deleting.')
  res = ec2_client.describe_snapshots(owner_ids: [iam_user.arn.split(':')[4]])
  delete_snapshots = []
  delete_image_ids.each do |delete_image_id|
    res.snapshots.each do |delete_snapshot|
      delete_snapshots << delete_snapshot if delete_snapshot.description.include?(delete_image_id)
    end
  end

  if delete_snapshots.empty?
    log.info('The EC2 snapshot to be deleted does not exist.')
    return true
  end

  puts display_snapshot_resources(delete_snapshots)
  generator_ebs_snapshots_check(delete_snapshots)

  if process_ok?
    begin
      delete_snapshots.each do |delete_snapshot|
        delete_snapshot_action(delete_snapshot.snapshot_id)
      end
    rescue StandardError => e
      log.error(e)
      exit 1
    end
  else
    exit 0
  end
end

#ebs_snapshots(check = false, dt, ignores) ⇒ Object 



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# File 'lib/seiton/resouces/ec2.rb', line 163

def ebs_snapshots(check = false, dt, ignores)
  if check
    log.info('List up the resources to be removed.')
  else
    log.info('Start deleting.')
  end
  res = ec2_client.describe_snapshots({ owner_ids: ['self'] })
  delete_snapshots = []
  _snapshots = res.snapshots.sort_by { |x| x.start_time }
  _snapshots.each do |delete_snapshot|
    if datetime_parse(delete_snapshot.start_time) < datetime_parse(dt)
      delete_snapshots << delete_snapshot
    end
  end

  unless ignores.nil?
    ignore_resources = []
    ignores.each do |ignore|
      delete_snapshots.each do |delete_snapshot|
        if name_tag(delete_snapshot.tags).nil?
          if delete_snapshot.snapshot_id == ignore
            ignore_resources << delete_snapshot
          end
        elsif name_tag(delete_snapshot.tags).value == ignore or delete_snapshot.snapshot_id == ignore
          ignore_resources << delete_snapshot
        end
      end
      delete_snapshots.delete_if do |delete_snapshot|
        if name_tag(delete_snapshot.tags).nil?
          delete_snapshot.snapshot_id == ignore
        else
          name_tag(delete_snapshot.tags).value == ignore or \
          delete_snapshot.snapshot_id == ignore
        end
      end
    end
  end

  if delete_snapshots.empty?
    log.info('The resource to be deleted does not exist.')
    exit 0
  end

  puts display_snapshot_resources(delete_snapshots)
  generator_ebs_snapshots_check(delete_snapshots)
  exit 0 if check

  delete_snapshot_ids = []
  if process_ok?
    begin
      delete_snapshots.each do |s|
        delete_snapshot_action(s.snapshot_id)
      end
    rescue StandardError => e
      log.error(e)
      exit 1
    end
  else
    exit 0
  end
end

#ec2_image(check = false, dt, ignores) ⇒ Object 



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# File 'lib/seiton/resouces/ec2.rb', line 97

def ec2_image(check = false, dt, ignores)
  if check
    log.info('List up the resources to be removed.')
  else
    log.info('Start deleting.')
  end
  res = ec2_client.describe_images({ owners: ['self'] })
  delete_images = []
  _images = res.images.sort_by { |x| x.creation_date }
  _images.each do |delete_image|
    if datetime_parse(delete_image.creation_date) < datetime_parse(dt)
      delete_images << delete_image
    end
  end

  unless ignores.nil?
    ignore_resources = []
    ignores.each do |ignore|
      delete_images.each do |delete_image|
        if name_tag(delete_image.tags).nil?
          if delete_image.name == ignore or delete_image.image_id == ignore
            ignore_resources << delete_image
          end
        elsif name_tag(delete_image.tags).value == ignore or delete_image.name == ignore
          ignore_resources << delete_image
        end
      end
      delete_images.delete_if do |delete_image|
        if name_tag(delete_image.tags).nil?
          delete_image.name == ignore
        else
          name_tag(delete_image.tags).value == ignore or \
          delete_image.name == ignore or \
          delete_image.image_id == ignore
        end
      end
    end
  end

  if delete_images.empty?
    log.info('The resource to be deleted does not exist.')
    exit 0
  end

  puts display_image_resources(delete_images)
  generator_ec2_images_check(delete_images, ignore_resources)
  exit 0 if check

  delete_image_ids = []
  if process_ok?
    begin
      delete_images.each do |image|
        delete_image_action(image.image_id)
        delete_image_ids << image.image_id
      end
    rescue StandardError => e
      log.error(e)
      exit 1
    end
  else
    exit 0
  end

  ebs_snapshot(delete_image_ids)
end

#ec2_instance(check = false, dt, ignores) ⇒ Object 



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# File 'lib/seiton/resouces/ec2.rb', line 7

def ec2_instance(check = false, dt, ignores)
  if check
    log.info('List up the resources to be removed.')
  else
    log.info('Start deleting.')
  end
  res = ec2_client.describe_instances({
                                       filters: [{
                                                  'name': 'instance-state-name', 'values': [ 'stopped' ]
                                                 }]
                                      })
  delete_instances = []
  res.reservations.each do |i|
    i.instances.each do |delete_instance|
      if datetime_parse(delete_instance.launch_time) < datetime_parse(dt)
        delete_instances << delete_instance
      end
    end
  end

  unless ignores.nil?
    ignore_resources = []
    ignores.each do |ignore|
      ignore_resources << delete_instances.select { |delete_instance| name_tag(delete_instance.tags).value == ignore }.last
      delete_instances.delete_if { |delete_instance| name_tag(delete_instance.tags).value == ignore }
    end
  end

  if delete_instances.empty?
    log.info('The resource to be deleted does not exist.')
    exit 0
  end

  puts display_instance_resources(delete_instances)
  generator_ec2_instances_check(delete_instances, ignore_resources)
  exit 0 if check

  delete_volume_ids = []
  if process_ok?
    begin
      delete_instances.each do |instance|
        delete_instance_action(instance.instance_id)
        delete_volume_ids << volume_ids(instance.block_device_mappings)
      end
    rescue StandardError => e
      log.error(e)
      exit 1
    end
  else
    exit 0
  end
  delete_volume_ids = delete_volume_ids.flatten
  ec2_volume(delete_volume_ids) unless delete_volume_ids.empty?
end

#ec2_volume(delete_volume_ids) ⇒ Object 



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# File 'lib/seiton/resouces/ec2.rb', line 62

def ec2_volume(delete_volume_ids)
  log.info('Start EC2 volume deleting.')
  log.info('Waiting for the status of the EC2 volume to become available.')
  loop do
    res = ec2_client.describe_volumes({ volume_ids: delete_volume_ids })
    status = res.volumes.map { |volume| volume.volume_id if volume.state == 'available' }
    if delete_volume_ids.sort == status.sort
      log.info('The status of all EC2 volumes is now available.')
      break
    else
      log.info('Waiting.')
      sleep 3
    end
  end

  delete_volumes = ec2_client.describe_volumes({ volume_ids: delete_volume_ids })
  puts display_volume_resources(delete_volumes.volumes)

  generator_ec2_volumes_check(delete_volumes.volumes)

  if process_ok?
    begin
      delete_volume_ids.each do |delete_volume_id|
        delete_volume_action(delete_volume_id)
      end
    rescue StandardError => e
      log.error(e)
      exit 1
    end
  else
    exit 0
  end

end

#eip(check = false, ignores) ⇒ Object 



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# File 'lib/seiton/resouces/ec2.rb', line 257

def eip(check = false, ignores)
  if check
    log.info('List up the resources to be removed.')
  else
    log.info('Start deleting.')
  end
  res = ec2_client.describe_addresses({})
  delete_addresses = []
  res.addresses.each do |delete_address|
    if delete_address.instance_id.nil?
      delete_addresses << delete_address
    end
  end

  unless ignores.nil?
    ignores.each do |ignore|
      delete_addresses.delete_if { |delete_address| delete_address.public_ip == ignore }
    end
  end

  if delete_addresses.empty?
    log.info('The resource to be deleted does not exist.')
    exit 0
  end

  puts display_eip_resources(delete_addresses)
  generator_ec2_eips_check(delete_addresses, ignores)
  exit 0 if check

  if process_ok?
    begin
      delete_addresses.each do |delete_address|
        delete_eip_action(delete_address.allocation_id)
      end
    rescue StandardError => e
      log.error(e)
      exit 1
    end
  else
    exit 0
  end
end