Class: Chef::Knife::SubcommandLoader::HashedCommandLoader
- Inherits:
-
Chef::Knife::SubcommandLoader
- Object
- Chef::Knife::SubcommandLoader
- Chef::Knife::SubcommandLoader::HashedCommandLoader
- Defined in:
- lib/chef/knife/core/hashed_command_loader.rb
Overview
Load a subcommand from a pre-computed path for the given command.
Constant Summary collapse
- KEY =
"_autogenerated_command_paths"
Instance Attribute Summary collapse
-
#manifest ⇒ Object
Returns the value of attribute manifest.
Attributes inherited from Chef::Knife::SubcommandLoader
Instance Method Summary collapse
- #guess_category(args) ⇒ Object
-
#initialize(chef_config_dir, plugin_manifest) ⇒ HashedCommandLoader
constructor
A new instance of HashedCommandLoader.
- #list_commands(pref_category = nil) ⇒ Object
- #load_command(args) ⇒ Object
- #subcommand_files ⇒ Object
- #subcommand_for_args(args) ⇒ Object
Methods inherited from Chef::Knife::SubcommandLoader
autogenerated_manifest?, #command_class_from, custom_manifest?, #find_longest_key, #find_subcommands_via_dirglob, for_config, #force_load, gem_glob_loader, #load_commands, plugin_manifest, plugin_manifest?, plugin_manifest_path, #positional_arguments, #site_subcommands
Constructor Details
#initialize(chef_config_dir, plugin_manifest) ⇒ HashedCommandLoader
Returns a new instance of HashedCommandLoader.
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# File 'lib/chef/knife/core/hashed_command_loader.rb', line 30 def initialize(chef_config_dir, plugin_manifest) super(chef_config_dir) @manifest = plugin_manifest end |
Instance Attribute Details
#manifest ⇒ Object
Returns the value of attribute manifest.
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# File 'lib/chef/knife/core/hashed_command_loader.rb', line 29 def manifest @manifest end |
Instance Method Details
#guess_category(args) ⇒ Object
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# File 'lib/chef/knife/core/hashed_command_loader.rb', line 35 def guess_category(args) category_words = positional_arguments(args) category_words.map! { |w| w.split("-") }.flatten! find_longest_key(manifest[KEY]["plugins_by_category"], category_words, " ") end |
#list_commands(pref_category = nil) ⇒ Object
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# File 'lib/chef/knife/core/hashed_command_loader.rb', line 41 def list_commands(pref_category = nil) if pref_category || manifest[KEY]["plugins_by_category"].key?(pref_category) commands = { pref_category => manifest[KEY]["plugins_by_category"][pref_category] } else commands = manifest[KEY]["plugins_by_category"] end # If any of the specified plugins in the manifest dont have a valid path we will # eventually get an error and the user will need to rehash - instead, lets just # print out 1 error here telling them to rehash errors = {} commands.collect { |k, v| v }.flatten.each do |command| paths = manifest[KEY]["plugins_paths"][command] if paths && paths.is_a?(Array) # It is only an error if all the paths don't exist if paths.all? { |sc| !File.exists?(sc) } errors[command] = paths end end end if errors.empty? commands else Chef::Log.error "There are files specified in the manifest that are missing. Please rehash to update the subcommands cache. If you see this error after rehashing delete the cache at #{Chef::Knife::SubcommandLoader.plugin_manifest_path}" Chef::Log.error "Missing files:\n\t#{errors.values.flatten.join("\n\t")}" {} end end |
#load_command(args) ⇒ Object
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# File 'lib/chef/knife/core/hashed_command_loader.rb', line 73 def load_command(args) paths = manifest[KEY]["plugins_paths"][subcommand_for_args(args)] if paths.nil? || paths.empty? || (! paths.is_a? Array) false else paths.each do |sc| if File.exists?(sc) Kernel.load sc else return false end end true end end |
#subcommand_files ⇒ Object
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# File 'lib/chef/knife/core/hashed_command_loader.rb', line 69 def subcommand_files manifest[KEY]["plugins_paths"].values.flatten end |