Class: Chef::Knife::CfnResources

Inherits:
CfnBase show all
Defined in:
lib/chef/knife/cfn_resources.rb

Instance Method Summary collapse

Methods inherited from CfnBase

#connection, included, #locate_config_value, #msg_pair, #validate!

Methods inherited from Chef::Knife

#create_create_def, #create_update_def

Instance Method Details

#run ⇒ Object 



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# File 'lib/chef/knife/cfn_resources.rb', line 32

def run
  $stdout.sync = true

  validate!

  stack_name = @name_args[0]
  logical_resource_id = @name_args[1]

  if stack_name.nil?
    show_usage
    ui.error("You must specify a stack name")
    exit 1
  end

  resources_list = [
      ui.color('Logical Resource Id', :bold),
      ui.color('Physical Resource Id', :bold),
      ui.color('Resource Type', :bold),
      ui.color('Resource Status', :bold)
  ]

  connection_params = { "StackName" => stack_name }
  if !logical_resource_id.nil?
    connection_params["LogicalResourceId"] = logical_resource_id
  end

  data = Array.new
  begin
    response = connection.describe_stack_resources(connection_params)
    data = response.body['StackResources']
  rescue Excon::Errors::BadRequest => e
    i= e.response.body.index("<Message>")
    j = e.response.body.index("</Message>")
    if !i.nil? and !j.nil?
      ui.error(e.response.body[i+9,j-i-9])
    else
      print "\n#{e.response.body}"
    end
    exit 1
  else
    data.each do |resource|
      resources_list << resource['LogicalResourceId']
      resources_list << resource['PhysicalResourceId']
      resources_list << resource['ResourceType']
      resources_list << resource['ResourceStatus']
    end
    puts ui.list(resources_list, :uneven_columns_across, 4)
  end

end