#!/usr/bin/env ruby
#
# ./chef-server - Serving up piping hot infrastructure!
#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 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.

# Based on the 'merb' command, by Ezra

require "rubygems"
require "merb-core"

# Load chef and chef-server-api from source rather than gem, if present
$:.unshift(File.expand_path(File.dirname(__FILE__) + '/../../chef/lib/'))
$:.unshift(File.expand_path(File.dirname(__FILE__) + '/../lib'))

# Print the version if we have -v or --version
if ARGV.any? { |arg| arg =~ /\-v|\-\-version/ }
  require 'chef-server-api/version'
  puts "Chef Server (API) Version: #{ChefServerApi::VERSION}"
  exit 1
end

require 'chef'
require 'chef-server-api'

# Ensure the chef gem we load is the same version as the chef server
unless defined?(Chef)
  gem "chef", "=" + CHEF_SERVER_VERSION
  require 'chef'
end

# Print the help message if our argv looks fishy
if ARGV[0] && ARGV[0] =~ /^[^-]/
  ARGV.push "-H"
end

# Default to thin
unless %w[-a --adapter -i --irb-console -r --script-runner].any? { |o| ARGV.index(o) }
  ARGV.push *%w[-a thin]
end

# Tell merb where to root
ARGV.push *[ "-m", CHEF_SERVER_API_ROOT]

# attempt to find the user and group that this process will become. Fixes CHEF-1015
if (index = ARGV.index("-u"))
  Chef::Config[:signing_ca_user] = ARGV[index+1]
end
if (index = ARGV.index("-G"))
  Chef::Config[:signing_ca_group] = ARGV[index+1]
end

# Find and load the config
if index = ARGV.index("-C")
  config = ARGV[index+1]
  ARGV.delete("-C")
  ARGV.delete(config)
  Chef::Config.from_file(File.expand_path(config))
else
  Chef::Config.from_file(
    File.join("/etc", "chef", "server.rb")
  )
end

Chef::Log.init(Chef::Config[:log_location])
Chef::Log.level = Chef::Config[:log_level]

begin
  Merb.start
rescue RuntimeError => e
  if e.message =~ /no acceptor/
    Chef::Log.fatal("Another process is already listening on port #{Merb::Config[:port]}. Is chef-server already running?")
    exit 127
  else
    raise
  end
end