Class: Chef::Knife::NodeBulkDelete

Inherits:
Chef::Knife show all
Defined in:
lib/chef/knife/node_bulk_delete.rb

Instance Attribute Summary

Attributes inherited from Chef::Knife

#name_args, #ui

Instance Method Summary collapse

Methods inherited from Chef::Knife

#api_key, category, common_name, #configure_chef, #create_object, #delete_object, deps, #format_rest_error, guess_category, #highlight_config_error, #humanize_exception, #humanize_http_exception, inherited, #initialize, list_commands, load_commands, load_deps, msg, #noauth_rest, #parse_options, #read_config_file, reset_subcommands!, #rest, run, #run_with_pretty_exceptions, #server_url, #show_usage, snake_case_name, subcommand_category, subcommand_class_from, subcommand_loader, subcommands, subcommands_by_category, ui, unnamed?, #username

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Constructor Details

This class inherits a constructor from Chef::Knife

Instance Method Details

#all_nodesObject


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# File 'lib/chef/knife/node_bulk_delete.rb', line 65

def all_nodes
  node_uris_by_name = Chef::Node.list

  node_uris_by_name.keys.inject({}) do |nodes_by_name, name|
    nodes_by_name[name] = Chef::Node.new.tap {|n| n.name(name)}
    nodes_by_name
  end
end

#runObject


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

def run
  if name_args.length < 1
    ui.fatal("You must supply a regular expression to match the results against")
    exit 42
  end


  nodes_to_delete = {}
  matcher = /#{name_args[0]}/

  all_nodes.each do |name, node|
    next unless name =~ matcher
    nodes_to_delete[name] = node
  end

  if nodes_to_delete.empty?
    ui.msg "No nodes match the expression /#{name_args[0]}/"
    exit 0
  end

  ui.msg("The following nodes will be deleted:")
  ui.msg("")
  ui.msg(ui.list(nodes_to_delete.keys.sort, :columns_down))
  ui.msg("")
  ui.confirm("Are you sure you want to delete these nodes")


  nodes_to_delete.sort.each do |name, node|
    node.destroy
    ui.msg("Deleted node #{name}")
  end
end