Class: Machinery::ListTask

Inherits:
Object show all
Defined in:
lib/list_task.rb

Overview

Copyright © 2013-2016 SUSE LLC

This program is free software; you can redistribute it and/or modify it under the terms of version 3 of the GNU General Public License as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, contact SUSE LLC.

To contact SUSE about this file by physical or electronic mail, you may find current contact information at www.suse.com

Instance Method Summary collapse

Instance Method Details

#list(store, system_descriptions, options = {}) ⇒ Object 



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# File 'lib/list_task.rb', line 19

def list(store, system_descriptions, options = {})
  if options[:html]
    list_html(store, options)
  else
    if system_descriptions.empty?
      descriptions = store.list
    else
      descriptions = system_descriptions.sort
    end
    has_incompatible_version = false

    descriptions.each do |name|
      begin
        system_description = Machinery::SystemDescription.load(name, store, skip_validation: true)
      rescue Machinery::Errors::SystemDescriptionIncompatible => e
        show_error("#{e}\n", options)
        next
      rescue Machinery::Errors::SystemDescriptionNotFound
        show_error(
          "#{name}: Couldn't find a system description with the name '#{name}'.", options
        )
        next
      rescue Machinery::Errors::SystemDescriptionValidationFailed
        show_error("#{name}: This description is broken. Use "\
          "`#{Machinery::Ui::Hint.program_name} validate "\
          "#{name}` to see the error message.", options)
        next
      rescue Machinery::Errors::SystemDescriptionError
        show_error("#{name}: This description is broken.", options)
        next
      end

      if options[:short]
        Machinery::Ui.puts name
      else
        scopes = []

        system_description.scopes.each do |scope|
          entry = Machinery::Ui.internal_scope_list_to_string(scope)
          if Machinery::SystemDescription::EXTRACTABLE_SCOPES.include?(scope)
            if system_description.scope_extracted?(scope)
              entry += " (extracted)"
            else
              entry += " (not extracted)"
            end
          end

          if options[:verbose]
            meta = system_description[scope].meta
            if meta
              time = Time.parse(meta.modified).getlocal
              date = time.strftime "%Y-%m-%d %H:%M:%S"
              hostname = meta.hostname
            else
              date = "unknown"
              hostname = "Unknown hostname"
            end
            entry += "\n      Host: [#{hostname}]"
            entry += "\n      Date: (#{date})"
          end

          scopes << entry
        end

        Machinery::Ui.puts " #{name}:\n   * " + scopes .join("\n   * ") + "\n"
      end
    end

    Machinery::Ui::Hint.print(:upgrade_system_description) if has_incompatible_version
  end
end

#list_html(store, options) ⇒ Object 



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# File 'lib/list_task.rb', line 91

def list_html(store, options)
  begin
    Machinery::LocalSystem.validate_existence_of_command("xdg-open", "xdg-utils")

    url = "http://#{options[:ip]}:#{options[:port]}/"

    Machinery::Ui.use_pager = false
    Machinery::Ui.puts <<EOF
Trying to start a web server for serving the descriptions on #{url}.

The server can be closed with Ctrl+C.
EOF

    server = Machinery::Html.run_server(store, port: options[:port], ip: options[:ip]) do
      Machinery::LoggedCheetah.run("xdg-open", url)
    end

    server.join # Wait until the user cancelled the blocking webserver
  rescue Cheetah::ExecutionFailed => e
    raise Machinery::Errors::OpenInBrowserFailed.new(
      "Could not open system descriptions in the web browser.\n" \
        "Error: #{e}\n"
    )
  end
end