Class: GitoriousMuninPlugins::UsagePlugin

Inherits:
Object
  • Object
show all
Defined in:
lib/gitorious-munin-plugins/usage_plugin.rb

Instance Method Summary collapse

Constructor Details

#initialize(known_plugins) ⇒ UsagePlugin

Returns a new instance of UsagePlugin.



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# File 'lib/gitorious-munin-plugins/usage_plugin.rb', line 3

def initialize(known_plugins)
  @known_plugins = known_plugins
end

Instance Method Details

#display_install_status ⇒ Object 



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# File 'lib/gitorious-munin-plugins/usage_plugin.rb', line 70

def display_install_status
  msg = [Term::ANSIColor.bold { "These plugins are available"} ]
  @known_plugins.each do |p|
    msg << "- #{p.description}"
  end
  msg << ""

  fail_with_message(msg.join("\n"))
end

#extract_plugins_from_spec(spec) ⇒ Object 



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# File 'lib/gitorious-munin-plugins/usage_plugin.rb', line 62

def extract_plugins_from_spec(spec)
  if spec.first == "all"
    @known_plugins.map(&:name)
  else
    return spec
  end
end

#fail_with_message(message) ⇒ Object 



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# File 'lib/gitorious-munin-plugins/usage_plugin.rb', line 80

def fail_with_message(message)
  puts message
  exit 1
end

#install_plugins(plugin_spec) ⇒ Object 



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# File 'lib/gitorious-munin-plugins/usage_plugin.rb', line 34

def install_plugins(plugin_spec)
  plugins = extract_plugins_from_spec(plugin_spec)
  plugins.each do |p|
    if plugin = @known_plugins.detect {|_p| _p.named?(p)}
      plugin.install!
    else
      puts "Ignoring #{p}"
    end
  end
end

#run ⇒ Object 



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# File 'lib/gitorious-munin-plugins/usage_plugin.rb', line 7

def run
  global_options = Trollop::options do
    version "#{GitoriousMuninPlugins::VERSION} (c) 2012 Gitorious AS."
    banner <<-EOS
Munin plugins for Gitorious

Usage:
   gitorious-munin-plugins [options]
where [options] are:
EOS
    opt :status, "List install status of plugins"
    opt :install, "Install PACKAGE1 PACKAGE2. Specify 'all' to install all plugins"
    opt :uninstall, "Uninstall PACKAGE1 PACKAGE2. Specify 'all' to uninstall all plugins "
    opt :try, "Try running PACKAGE"
  end

  if global_options[:status_given]
    display_install_status
  elsif global_options[:install_given]
    install_plugins(ARGV)
  elsif global_options[:uninstall_given]
    uninstall_plugins(ARGV)
  elsif global_options[:try_given]
    (ARGV[0] || "").split(",").each { |name| try_running(name) }
  end
end

#try_running(name) ⇒ Object 



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# File 'lib/gitorious-munin-plugins/usage_plugin.rb', line 56

def try_running(name)
  plugin = Plugin.root.realpath + "#{name}.rb"
  abort("Unknown plugin #{name}, exiting. List valid plugins with -l.") if !plugin.exist?
  load(plugin)
end

#uninstall_plugins(plugin_spec) ⇒ Object 



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# File 'lib/gitorious-munin-plugins/usage_plugin.rb', line 45

def uninstall_plugins(plugin_spec)
  plugins = extract_plugins_from_spec(plugin_spec)
  plugins.each do |p|
    if plugin = @known_plugins.detect {|_p| _p.named?(p)}
      plugin.uninstall!
    else
      puts "Ignoring #{p}"
    end
  end
end