Module: Kontena::PluginManager::Common

Included in:
Cli::Plugins::InstallCommand, Cli::Plugins::ListCommand, Cli::Plugins::SearchCommand, Cli::Plugins::UpgradeCommand, Cleaner, Installer, Loader, Uninstaller
Defined in:
lib/kontena/plugin_manager/common.rb

Constant Summary collapse

KRATES_PLUGIN = 
'krates-plugin-%s'

Class Method Summary collapse

Class Method Details

.dummy_ui ⇒ Gem::StreamUI

Returns a rubygems user interaction module with minimal output.

Returns:

  • (Gem::StreamUI) —

    a rubygems user interaction module with minimal output



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# File 'lib/kontena/plugin_manager/common.rb', line 18

def dummy_ui
  Gem::StreamUI.new(StringIO.new, StringIO.new, StringIO.new, false)
end

.gem_versions(plugin_name) ⇒ Object

Retrieve plugin versions from rubygems

Parameters:



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# File 'lib/kontena/plugin_manager/common.rb', line 78

def gem_versions(plugin_name)
  rubygems_client.versions(prefix(plugin_name))
end

.install_dir ⇒ String

Gem installation directory

Returns:



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# File 'lib/kontena/plugin_manager/common.rb', line 52

def install_dir
  return @install_dir if @install_dir
  install_dir = File.join(Dir.home, '.krates', 'gems', RUBY_VERSION)
  unless File.directory?(install_dir)
    require 'fileutils'
    FileUtils.mkdir_p(install_dir, mode: 0700)
  end
  @install_dir = install_dir
end

.installed(plugin_name) ⇒ Object

Find a plugin by name from installed plugins

Parameters:



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# File 'lib/kontena/plugin_manager/common.rb', line 39

def installed(plugin_name)
  search = prefix(plugin_name)
  plugins.find {|plugin| plugin.name == search }
end

.installed?(plugin_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kontena/plugin_manager/common.rb', line 45

def installed?(plugin_name)
  !installed(plugin_name).nil?
end

.plugin_debug? ⇒ Boolean

Returns is the CLI in plugin debugging mode?.

Returns:

  • (Boolean) —

    is the CLI in plugin debugging mode?



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# File 'lib/kontena/plugin_manager/common.rb', line 12

def plugin_debug?
  @plugin_debug ||= ENV['DEBUG'] == 'plugin'
end

.plugins ⇒ Object 



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# File 'lib/kontena/plugin_manager/common.rb', line 83

def plugins
  Kontena::PluginManager.plugins
end

.prefix(plugin_name) ⇒ Object

Prefix a plugin name into a gem name (hello to krates-plugin-hello)



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# File 'lib/kontena/plugin_manager/common.rb', line 30

def prefix(plugin_name)
  return KRATES_PLUGIN  % nil if plugin_name.nil? || plugin_name.empty?
  return plugin_name if plugin_name.start_with?('krates-plugin-') || plugin_name.include?('.')
  KRATES_PLUGIN  % plugin_name
end

.rubygems_client ⇒ Kontena::PluginManager::RubygemsClient

Returns:



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# File 'lib/kontena/plugin_manager/common.rb', line 64

def rubygems_client
  @rubygems_client ||= Kontena::PluginManager::RubygemsClient.new
end

.search_plugins(pattern = nil) ⇒ Object

Search rubygems for kontena plugins

Parameters:

  • pattern (String) (defaults to: nil) —

    optional search pattern



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# File 'lib/kontena/plugin_manager/common.rb', line 71

def search_plugins(pattern = nil)
  rubygems_client.search(prefix(pattern))
end

.use_dummy_ui ⇒ Object

Tell rubygems to use the dummy ui as default user interaction



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# File 'lib/kontena/plugin_manager/common.rb', line 24

def use_dummy_ui
  Gem::DefaultUserInteraction.ui = dummy_ui
end