Class: Lono::Sets::Instances::Sync

Inherits:
Base show all
Includes:
Summarize, Utils::Sure
Defined in:
lib/lono/sets/instances/sync.rb

Instance Method Summary collapse

Methods included from Utils::Sure

#sure?

Methods included from Summarize

#summarize

Methods inherited from Base

#requested, #stack_instances

Methods inherited from Base

#build_options, #exit_unless_updatable!, #operation_preferences

Methods inherited from Cfn::Base

#capabilities, #check_registration, #command_with_iam, #continue_update_rollback, #continue_update_rollback_sure?, #delete_rollback_stack, #exit_unless_updatable!, #generate_all, #pretty_path, #prompt_for_iam, #quit, #rerun_with_iam?, #set_template_url!, #show_options, #stack_status, #starting_message, #status, #tags

Methods included from AwsServices

#cfn, #ec2, #iam, #s3, #s3_presigner, #s3_resource, #sts

Methods included from AwsServices::Helper

#rollback_complete?, #testing_update?

Methods included from AwsServices::StackSet

#find_stack_set, #stack_set_exists?

Methods included from AwsServices::Stack

#find_stack, #stack_exists?

Methods inherited from AbstractBase

#reinitialize, #template_path

Methods included from Blueprint::Root

#find_blueprint_root, #set_blueprint_root

Constructor Details

#initialize(options = {}) ⇒ Sync

Returns a new instance of Sync.



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# File 'lib/lono/sets/instances/sync.rb', line 6

def initialize(options={})
  super # need conventions so config lookup will work
  @regions, @accounts = [], []
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/lono/sets/instances/sync.rb', line 11

def run
  unless stack_set_exists?(@stack)
    puts "ERROR: Cannot update a stack set because #{@stack} does not exists.".color(:red)
    return
  end
  exit_unless_updatable!

  validate!

  existing = stack_instances.map do |summary|
    [summary., summary.region]
  end

  creates = requested - existing
  deletes = existing - requested

  if creates.empty? and deletes.empty?
    puts <<~EOL
      Nothing to be synced. IE: No stack instances need to be added or removed.  If you want to update the
      stack set and update all stack instances instead, use the `lono sets deploy` command.
    EOL
    return
  end
  sure?("Are you sure you want to sync stack instances?", long_desc(creates: creates, deletes: deletes))

  # Note: Not calling update_stack_instances because after deleting stacks it instances in in a weird state
  # where an update_stack_instances fails. Can reproduce this by deleting stacks and then trying an update_stack_instances
  # with the AWS CLI. In theory, we never really should have to call update_stack_instances anyway because
  # updating the stack set at the parent level kicks off an update_stack_instances automatically.
  operation_id = execute(:create_stack_instances, creates)
  summarize(operation_id) if operation_id
  if @options[:delete]
    operation_id = execute(:delete_stack_instances, deletes)
    summarize(operation_id) if operation_id
  end
end