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Diffstat (limited to 'lib/chef/application/knife.rb')
| -rw-r--r-- | lib/chef/application/knife.rb | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/lib/chef/application/knife.rb b/lib/chef/application/knife.rb new file mode 100644 index 0000000000..629cd9fc5f --- /dev/null +++ b/lib/chef/application/knife.rb @@ -0,0 +1,183 @@ +# +# Author:: Adam Jacob (<adam@opscode.com) +# Copyright:: Copyright (c) 2009 Opscode, Inc. +# License:: Apache License, Version 2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +require 'chef/knife' +require 'chef/application' +require 'mixlib/log' +require 'ohai/config' + +class Chef::Application::Knife < Chef::Application + + NO_COMMAND_GIVEN = "You need to pass a sub-command (e.g., knife SUB-COMMAND)\n" + + banner "Usage: knife sub-command (options)" + + option :config_file, + :short => "-c CONFIG", + :long => "--config CONFIG", + :description => "The configuration file to use", + :proc => lambda { |path| File.expand_path(path, Dir.pwd) } + + verbosity_level = 0 + option :verbosity, + :short => '-V', + :long => '--verbose', + :description => "More verbose output. Use twice for max verbosity", + :proc => Proc.new { verbosity_level += 1}, + :default => 0 + + option :color, + :long => '--[no-]color', + :boolean => true, + :default => true, + :description => "Use colored output, defaults to enabled" + + option :environment, + :short => "-E ENVIRONMENT", + :long => "--environment ENVIRONMENT", + :description => "Set the Chef environment" + + option :editor, + :short => "-e EDITOR", + :long => "--editor EDITOR", + :description => "Set the editor to use for interactive commands", + :default => ENV['EDITOR'] + + option :disable_editing, + :short => "-d", + :long => "--disable-editing", + :description => "Do not open EDITOR, just accept the data as is", + :boolean => true, + :defaut => false + + option :help, + :short => "-h", + :long => "--help", + :description => "Show this message", + :on => :tail, + :boolean => true + + option :node_name, + :short => "-u USER", + :long => "--user USER", + :description => "API Client Username" + + option :client_key, + :short => "-k KEY", + :long => "--key KEY", + :description => "API Client Key", + :proc => lambda { |path| File.expand_path(path, Dir.pwd) } + + option :chef_server_url, + :short => "-s URL", + :long => "--server-url URL", + :description => "Chef Server URL" + + option :yes, + :short => "-y", + :long => "--yes", + :description => "Say yes to all prompts for confirmation" + + option :defaults, + :long => "--defaults", + :description => "Accept default values for all questions" + + option :print_after, + :long => "--print-after", + :description => "Show the data after a destructive operation" + + option :format, + :short => "-F FORMAT", + :long => "--format FORMAT", + :description => "Which format to use for output", + :default => "summary" + + option :version, + :short => "-v", + :long => "--version", + :description => "Show chef version", + :boolean => true, + :proc => lambda {|v| puts "Chef: #{::Chef::VERSION}"}, + :exit => 0 + + + # Run knife + def run + Mixlib::Log::Formatter.show_time = false + validate_and_parse_options + quiet_traps + Chef::Knife.run(ARGV, options) + exit 0 + end + + private + + def quiet_traps + trap("TERM") do + exit 1 + end + + trap("INT") do + exit 2 + end + end + + def validate_and_parse_options + # Checking ARGV validity *before* parse_options because parse_options + # mangles ARGV in some situations + if no_command_given? + print_help_and_exit(1, NO_COMMAND_GIVEN) + elsif no_subcommand_given? + if (want_help? || want_version?) + print_help_and_exit + else + print_help_and_exit(2, NO_COMMAND_GIVEN) + end + end + end + + def no_subcommand_given? + ARGV[0] =~ /^-/ + end + + def no_command_given? + ARGV.empty? + end + + def want_help? + ARGV[0] =~ /^(--help|-h)$/ + end + + def want_version? + ARGV[0] =~ /^(--version|-v)$/ + end + + def print_help_and_exit(exitcode=1, fatal_message=nil) + Chef::Log.error(fatal_message) if fatal_message + + begin + self.parse_options + rescue OptionParser::InvalidOption => e + puts "#{e}\n" + end + puts self.opt_parser + puts + Chef::Knife.list_commands + exit exitcode + end + +end |