Class: Chef::Knife::TarsnapBackupShow

Inherits:
Chef::Knife show all
Includes:
Chef::Knife::Tarsnap::Core
Defined in:
lib/chef/knife/tarsnap_backup_show.rb

Instance Method Summary collapse

Methods included from Chef::Knife::Tarsnap::Core

#canonicalize, #fetch_key, #fetch_node, included, #is_a_tarsnap_node?, #keygen_tool, #pending_nodes, #remove_pending_node, #tarsnap_data_bag, #tarsnap_nodes, #tarsnap_password, #tarsnap_tool, #tarsnap_username

Instance Method Details

#run ⇒ Object 



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# File 'lib/chef/knife/tarsnap_backup_show.rb', line 27

def run

  node_name = name_args.first
  if name_args.size == 2
    archive_name = name_args.last
  elsif name_args.size == 1
    archive_name = nil
  else
    ui.fatal "Must provide only NODE and an option ARCHIVE."
    exit 1
  end

  Tempfile.open('tarsnap', '/tmp') do |f|
    key = fetch_key(node_name)
    f.write(key)
    f.close

    if archive_name.nil?
      list_cmd = "#{tarsnap_tool} --keyfile #{f.path} --list-archives" 
    else
      list_cmd = "#{tarsnap_tool} -t --keyfile #{f.path} -f #{archive_name}"
    end

    list_shell = Mixlib::ShellOut.new(list_cmd, :environment => {'LC_ALL'=>nil})
    list_shell.run_command
    unless list_shell.stderr.empty?
      raise StandardError, "tarsnap error: #{list_shell.stderr}"
    end
    list_shell.stdout.split("\n").sort.each { |l| ui.msg l }
  end

end