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#
# 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
|
