class Opsicle::DeleteInstance
Public Class Methods
new(environment)
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# File lib/opsicle/commands/delete_instance.rb, line 12 def initialize(environment) @client = Client.new(environment) @ec2_adapter = Ec2Adapter.new(@client) @opsworks_adapter = OpsworksAdapter.new(@client) stack_id = @client.config.opsworks_config[:stack_id] @stack = ManageableStack.new(stack_id, @opsworks_adapter) @cli = HighLine.new end
Public Instance Methods
deleteable_instances(layer)
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# File lib/opsicle/commands/delete_instance.rb, line 35 def deleteable_instances(layer) @stack.deleteable_instances(layer) end
execute(options={})
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# File lib/opsicle/commands/delete_instance.rb, line 21 def execute(options={}) puts "Stack ID = #{@stack.id}" layer = select_layer instances_to_delete = select_instances(layer) instances_to_delete.each do |instance| begin @opsworks_adapter.delete_instance(instance.instance_id) puts "Successfully deleted #{instance.hostname}" rescue puts "Failed to delete #{instance.hostname}" end end end
select_instances(layer)
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# File lib/opsicle/commands/delete_instance.rb, line 53 def select_instances(layer) instances = deleteable_instances(layer) return_array = [] if instances.empty? puts "There are no deletable instances." else puts "\nDeleteable Instances:\n" instances.each_with_index { |instance, index| puts "#{index.to_i + 1}) #{instance.status} - #{instance.hostname}" } instance_indices_string = @cli.ask("Which instances would you like to delete? (enter as a comma separated list)\n", String) instance_indices_list = instance_indices_string.split(/,\s*/) check_for_valid_indices!(instance_indices_list, instances.count) instance_indices_list.map! { |instance_index| instance_index.to_i - 1 } instance_indices_list.each do |index| return_array << instances[index] end end return_array end
select_layer()
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# File lib/opsicle/commands/delete_instance.rb, line 39 def select_layer puts "\nLayers:\n" ops_layers = @opsworks_adapter.layers(@stack.id) layers = [] ops_layers.each do |layer| layers << ManageableLayer.new(layer.name, layer.layer_id, @stack, @opsworks_adapter.client, @ec2_adapter.client, @cli) end layers.each_with_index { |layer, index| puts "#{index.to_i + 1}) #{layer.name}" } layer_index = @cli.ask("Layer?\n", Integer) { |q| q.in = 1..layers.length.to_i } - 1 layers[layer_index] end
Private Instance Methods
check_for_valid_indices!(instance_indices_list, option_count)
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# File lib/opsicle/commands/delete_instance.rb, line 72 def check_for_valid_indices!(instance_indices_list, option_count) valid_indices = 1..option_count unless instance_indices_list.all?{ |i| valid_indices.include?(i.to_i) } raise StandardError, "At least one of the indices passed is invalid. Please try again." end end