/usr/lib/ruby/vendor_ruby/chef_zero/server.rb is in chef-zero 2.0.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author:: John Keiser (<jkeiser@opscode.com>)
# Copyright:: Copyright (c) 2012 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 'openssl'
require 'open-uri'
require 'timeout'
require 'stringio'
require 'rack'
require 'webrick'
require 'chef_zero'
require 'chef_zero/cookbook_data'
require 'chef_zero/rest_router'
require 'chef_zero/data_store/memory_store'
require 'chef_zero/version'
require 'chef_zero/endpoints/authenticate_user_endpoint'
require 'chef_zero/endpoints/actors_endpoint'
require 'chef_zero/endpoints/actor_endpoint'
require 'chef_zero/endpoints/cookbooks_endpoint'
require 'chef_zero/endpoints/cookbook_endpoint'
require 'chef_zero/endpoints/cookbook_version_endpoint'
require 'chef_zero/endpoints/data_bags_endpoint'
require 'chef_zero/endpoints/data_bag_endpoint'
require 'chef_zero/endpoints/data_bag_item_endpoint'
require 'chef_zero/endpoints/rest_list_endpoint'
require 'chef_zero/endpoints/environment_endpoint'
require 'chef_zero/endpoints/environment_cookbooks_endpoint'
require 'chef_zero/endpoints/environment_cookbook_endpoint'
require 'chef_zero/endpoints/environment_cookbook_versions_endpoint'
require 'chef_zero/endpoints/environment_nodes_endpoint'
require 'chef_zero/endpoints/environment_recipes_endpoint'
require 'chef_zero/endpoints/environment_role_endpoint'
require 'chef_zero/endpoints/node_endpoint'
require 'chef_zero/endpoints/principal_endpoint'
require 'chef_zero/endpoints/role_endpoint'
require 'chef_zero/endpoints/role_environments_endpoint'
require 'chef_zero/endpoints/sandboxes_endpoint'
require 'chef_zero/endpoints/sandbox_endpoint'
require 'chef_zero/endpoints/searches_endpoint'
require 'chef_zero/endpoints/search_endpoint'
require 'chef_zero/endpoints/file_store_file_endpoint'
require 'chef_zero/endpoints/not_found_endpoint'
module ChefZero
class Server
DEFAULT_OPTIONS = {
:host => '127.0.0.1',
:port => 8889,
:log_level => :info,
:generate_real_keys => true
}.freeze
def initialize(options = {})
@options = DEFAULT_OPTIONS.merge(options)
@options[:host] = "[#{@options[:host]}]" if @options[:host].include?(':')
@options.freeze
ChefZero::Log.level = @options[:log_level].to_sym
end
# @return [Hash]
attr_reader :options
# @return [WEBrick::HTTPServer]
attr_reader :server
include ChefZero::Endpoints
#
# The URL for this Chef Zero server.
#
# @return [String]
#
def url
"http://#{@options[:host]}:#{@options[:port]}"
end
#
# The data store for this server (default is in-memory).
#
# @return [~ChefZero::DataStore]
#
def data_store
@data_store ||= @options[:data_store] || DataStore::MemoryStore.new
end
#
# Boolean method to determine if real Public/Private keys should be
# generated.
#
# @return [Boolean]
# true if real keys should be created, false otherwise
#
def generate_real_keys?
!!@options[:generate_real_keys]
end
#
# Start a Chef Zero server in the current thread. You can stop this server
# by canceling the current thread.
#
# @param [Boolean] publish
# publish the server information to STDOUT
#
# @return [nil]
# this method will block the main thread until interrupted
#
def start(publish = true)
publish = publish[:publish] if publish.is_a?(Hash) # Legacy API
if publish
puts <<-EOH.gsub(/^ {10}/, '')
>> Starting Chef Zero (v#{ChefZero::VERSION})...
>> WEBrick (v#{WEBrick::VERSION}) on Rack (v#{Rack.release}) is listening at #{url}
>> Press CTRL+C to stop
EOH
end
thread = start_background
%w[INT TERM].each do |signal|
Signal.trap(signal) do
puts "\n>> Stopping Chef Zero..."
@server.shutdown
end
end
# Move the background process to the main thread
thread.join
end
#
# Start a Chef Zero server in a forked process. This method returns the PID
# to the forked process.
#
# @param [Fixnum] wait
# the number of seconds to wait for the server to start
#
# @return [Thread]
# the thread the background process is running in
#
def start_background(wait = 5)
@server = WEBrick::HTTPServer.new(
:BindAddress => @options[:host],
:Port => @options[:port],
:AccessLog => [],
:Logger => WEBrick::Log.new(StringIO.new, 7)
)
@server.mount('/', Rack::Handler::WEBrick, app)
@thread = Thread.new { @server.start }
@thread.abort_on_exception = true
@thread
end
#
# Boolean method to determine if the server is currently ready to accept
# requests. This method will attempt to make an HTTP request against the
# server. If this method returns true, you are safe to make a request.
#
# @return [Boolean]
# true if the server is accepting requests, false otherwise
#
def running?
if @server.nil? || @server.status != :Running
return false
end
uri = URI.join(url, 'cookbooks')
headers = { 'Accept' => 'application/json' }
Timeout.timeout(0.1) { !open(uri, headers).nil? }
rescue SocketError, Errno::ECONNREFUSED, Timeout::Error
false
end
#
# Gracefully stop the Chef Zero server.
#
# @param [Fixnum] wait
# the number of seconds to wait before raising force-terminating the
# server
#
def stop(wait = 5)
Timeout.timeout(wait) do
@server.shutdown
@thread.join(wait) if @thread
end
rescue Timeout::Error
if @thread
ChefZero::Log.error("Chef Zero did not stop within #{wait} seconds! Killing...")
@thread.kill
end
ensure
@server = nil
@thread = nil
end
def gen_key_pair
if generate_real_keys?
private_key = OpenSSL::PKey::RSA.new(2048)
public_key = private_key.public_key.to_s
public_key.sub!(/^-----BEGIN RSA PUBLIC KEY-----/, '-----BEGIN PUBLIC KEY-----')
public_key.sub!(/-----END RSA PUBLIC KEY-----(\s+)$/, '-----END PUBLIC KEY-----\1')
[private_key.to_s, public_key]
else
[PRIVATE_KEY, PUBLIC_KEY]
end
end
def on_request(&block)
@on_request_proc = block
end
def on_response(&block)
@on_response_proc = block
end
# Load data in a nice, friendly form:
# {
# 'roles' => {
# 'desert' => '{ "description": "Hot and dry"' },
# 'rainforest' => { "description" => 'Wet and humid' }
# },
# 'cookbooks' => {
# 'apache2-1.0.1' => {
# 'templates' => { 'default' => { 'blah.txt' => 'hi' }}
# 'recipes' => { 'default.rb' => 'template "blah.txt"' }
# 'metadata.rb' => 'depends "mysql"'
# },
# 'apache2-1.2.0' => {
# 'templates' => { 'default' => { 'blah.txt' => 'lo' }}
# 'recipes' => { 'default.rb' => 'template "blah.txt"' }
# 'metadata.rb' => 'depends "mysql"'
# },
# 'mysql' => {
# 'recipes' => { 'default.rb' => 'file { contents "hi" }' },
# 'metadata.rb' => 'version "1.0.0"'
# }
# }
# }
def load_data(contents)
%w(clients environments nodes roles users).each do |data_type|
if contents[data_type]
dejsonize_children(contents[data_type]).each_pair do |name, data|
data_store.set([data_type, name], data, :create)
end
end
end
if contents['data']
contents['data'].each_pair do |key, data_bag|
data_store.create_dir(['data'], key, :recursive)
dejsonize_children(data_bag).each do |item_name, item|
data_store.set(['data', key, item_name], item, :create)
end
end
end
if contents['cookbooks']
contents['cookbooks'].each_pair do |name_version, cookbook|
if name_version =~ /(.+)-(\d+\.\d+\.\d+)$/
cookbook_data = CookbookData.to_hash(cookbook, $1, $2)
else
cookbook_data = CookbookData.to_hash(cookbook, name_version)
end
raise "No version specified" if !cookbook_data[:version]
data_store.create_dir(['cookbooks'], cookbook_data[:cookbook_name], :recursive)
data_store.set(['cookbooks', cookbook_data[:cookbook_name], cookbook_data[:version]], JSON.pretty_generate(cookbook_data), :create)
cookbook_data.values.each do |files|
next unless files.is_a? Array
files.each do |file|
data_store.set(['file_store', 'checksums', file[:checksum]], get_file(cookbook, file[:path]), :create)
end
end
end
end
end
def clear_data
data_store.clear
end
def request_handler(&block)
@request_handler = block
end
def to_s
"#<#{self.class} #{url}>"
end
def inspect
"#<#{self.class} @url=#{url.inspect}>"
end
private
def app
router = RestRouter.new([
[ '/authenticate_user', AuthenticateUserEndpoint.new(self) ],
[ '/clients', ActorsEndpoint.new(self) ],
[ '/clients/*', ActorEndpoint.new(self) ],
[ '/cookbooks', CookbooksEndpoint.new(self) ],
[ '/cookbooks/*', CookbookEndpoint.new(self) ],
[ '/cookbooks/*/*', CookbookVersionEndpoint.new(self) ],
[ '/data', DataBagsEndpoint.new(self) ],
[ '/data/*', DataBagEndpoint.new(self) ],
[ '/data/*/*', DataBagItemEndpoint.new(self) ],
[ '/environments', RestListEndpoint.new(self) ],
[ '/environments/*', EnvironmentEndpoint.new(self) ],
[ '/environments/*/cookbooks', EnvironmentCookbooksEndpoint.new(self) ],
[ '/environments/*/cookbooks/*', EnvironmentCookbookEndpoint.new(self) ],
[ '/environments/*/cookbook_versions', EnvironmentCookbookVersionsEndpoint.new(self) ],
[ '/environments/*/nodes', EnvironmentNodesEndpoint.new(self) ],
[ '/environments/*/recipes', EnvironmentRecipesEndpoint.new(self) ],
[ '/environments/*/roles/*', EnvironmentRoleEndpoint.new(self) ],
[ '/nodes', RestListEndpoint.new(self) ],
[ '/nodes/*', NodeEndpoint.new(self) ],
[ '/principals/*', PrincipalEndpoint.new(self) ],
[ '/roles', RestListEndpoint.new(self) ],
[ '/roles/*', RoleEndpoint.new(self) ],
[ '/roles/*/environments', RoleEnvironmentsEndpoint.new(self) ],
[ '/roles/*/environments/*', EnvironmentRoleEndpoint.new(self) ],
[ '/sandboxes', SandboxesEndpoint.new(self) ],
[ '/sandboxes/*', SandboxEndpoint.new(self) ],
[ '/search', SearchesEndpoint.new(self) ],
[ '/search/*', SearchEndpoint.new(self) ],
[ '/users', ActorsEndpoint.new(self) ],
[ '/users/*', ActorEndpoint.new(self) ],
[ '/file_store/**', FileStoreFileEndpoint.new(self) ],
])
router.not_found = NotFoundEndpoint.new
return proc do |env|
request = RestRequest.new(env)
if @on_request_proc
@on_request_proc.call(request)
end
response = nil
if @request_handler
response = @request_handler.call(request)
end
unless response
response = router.call(request)
end
if @on_response_proc
@on_response_proc.call(request, response)
end
# Insert Server header
response[1]['Server'] = 'chef-zero'
# Puma expects the response to be an array (chunked responses). Since
# we are statically generating data, we won't ever have said chunked
# response, so fake it.
response[-1] = Array(response[-1])
response
end
end
def dejsonize_children(hash)
result = {}
hash.each_pair do |key, value|
result[key] = value.is_a?(Hash) ? JSON.pretty_generate(value) : value
end
result
end
def get_file(directory, path)
value = directory
path.split('/').each do |part|
value = value[part]
end
value
end
end
end
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