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#
# Author:: Bryan W. Berry (<bryan.berry@gmail.com>)
# Author:: Daniel DeLeo (<dan@kallistec.com>)
# Copyright:: Copyright (c) 2012 Bryan W. Berry
# Copyright:: Copyright (c) 2012 Daniel DeLeo
# 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'
require 'chef/application'
require 'chef/client'
require 'chef/config'
require 'chef/log'
require 'fileutils'
require 'tempfile'
require 'chef/providers'
require 'chef/resources'
class Chef::Application::Apply < Chef::Application
banner "Usage: chef-apply [RECIPE_FILE] [-e RECIPE_TEXT] [-s]"
option :execute,
:short => "-e RECIPE_TEXT",
:long => "--execute RECIPE_TEXT",
:description => "Execute resources supplied in a string",
:proc => nil
option :stdin,
:short => "-s",
:long => "--stdin",
:description => "Execute resources read from STDIN",
:boolean => true
option :log_level,
:short => "-l LEVEL",
:long => "--log_level LEVEL",
:description => "Set the log level (debug, info, warn, error, fatal)",
:proc => lambda { |l| l.to_sym }
option :help,
:short => "-h",
:long => "--help",
:description => "Show this message",
:on => :tail,
:boolean => true,
:show_options => true,
:exit => 0
option :version,
:short => "-v",
:long => "--version",
:description => "Show chef version",
:boolean => true,
:proc => lambda {|v| puts "Chef: #{::Chef::VERSION}"},
:exit => 0
option :why_run,
:short => '-W',
:long => '--why-run',
:description => 'Enable whyrun mode',
:boolean => true
def initialize
super
end
def reconfigure
configure_logging
end
def read_recipe_file(file_name)
recipe_path = file_name
unless File.exist?(recipe_path)
Chef::Application.fatal!("No file exists at #{recipe_path}", 1)
end
recipe_path = File.expand_path(recipe_path)
recipe_fh = open(recipe_path)
recipe_text = recipe_fh.read
[recipe_text, recipe_fh]
end
def get_recipe_and_run_context
Chef::Config[:solo] = true
@chef_client = Chef::Client.new
@chef_client.run_ohai
@chef_client.load_node
@chef_client.build_node
run_context = if @chef_client.events.nil?
Chef::RunContext.new(@chef_client.node, {})
else
Chef::RunContext.new(@chef_client.node, {}, @chef_client.events)
end
recipe = Chef::Recipe.new("(chef-apply cookbook)", "(chef-apply recipe)", run_context)
[recipe, run_context]
end
# write recipe to temp file, so in case of error,
# user gets error w/ context
def temp_recipe_file
@recipe_fh = Tempfile.open('recipe-temporary-file')
@recipe_fh.write(@recipe_text)
@recipe_fh.rewind
@recipe_filename = @recipe_fh.path
end
def run_chef_recipe
if config[:execute]
@recipe_text = config[:execute]
temp_recipe_file
elsif config[:stdin]
@recipe_text = STDIN.read
temp_recipe_file
else
@recipe_filename = ARGV[0]
@recipe_text,@recipe_fh = read_recipe_file @recipe_filename
end
recipe,run_context = get_recipe_and_run_context
recipe.instance_eval(@recipe_text, @recipe_filename, 1)
runner = Chef::Runner.new(run_context)
begin
runner.converge
ensure
@recipe_fh.close
end
end
def run_application
begin
parse_options
run_chef_recipe
Chef::Application.exit! "Exiting", 0
rescue SystemExit => e
raise
rescue Exception => e
Chef::Application.debug_stacktrace(e)
Chef::Application.fatal!("#{e.class}: #{e.message}", 1)
end
end
# Get this party started
def run
reconfigure
run_application
end
end
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