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#
# Author:: Nuo Yan <nuo@opscode.com>
# Author:: Bryan McLellan <btm@loftninjas.org>
# Author:: Seth Chisamore <schisamo@opscode.com>
# Copyright:: Copyright (c) 2010-2011 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/provider/service/simple'
if RUBY_PLATFORM =~ /mswin|mingw32|windows/
require 'win32/service'
end
class Chef::Provider::Service::Windows < Chef::Provider::Service
#Win32::Service.get_start_type
AUTO_START = 'auto start'
DISABLED = 'disabled'
#Win32::Service.get_current_state
RUNNING = 'running'
STOPPED = 'stopped'
CONTINUE_PENDING = 'continue pending'
PAUSE_PENDING = 'pause pending'
PAUSED = 'paused'
START_PENDING = 'start pending'
STOP_PENDING = 'stop pending'
TIMEOUT = 60
def whyrun_supported?
false
end
def load_current_resource
@current_resource = Chef::Resource::Service.new(@new_resource.name)
@current_resource.service_name(@new_resource.service_name)
@current_resource.running(current_state == RUNNING)
Chef::Log.debug "#{@new_resource} running: #{@current_resource.running}"
@current_resource.enabled(start_type == AUTO_START)
Chef::Log.debug "#{@new_resource} enabled: #{@current_resource.enabled}"
@current_resource
end
def start_service
if Win32::Service.exists?(@new_resource.service_name)
state = current_state
if state == RUNNING
Chef::Log.debug "#{@new_resource} already started - nothing to do"
elsif state == START_PENDING
Chef::Log.debug "#{@new_resource} already sent start signal - waiting for start"
wait_for_state(RUNNING)
elsif state == STOPPED
if @new_resource.start_command
Chef::Log.debug "#{@new_resource} starting service using the given start_command"
shell_out!(@new_resource.start_command)
else
spawn_command_thread do
Win32::Service.start(@new_resource.service_name)
end
wait_for_state(RUNNING)
end
@new_resource.updated_by_last_action(true)
else
raise Chef::Exceptions::Service, "Service #{@new_resource} can't be started from state [#{state}]"
end
else
Chef::Log.debug "#{@new_resource} does not exist - nothing to do"
end
end
def stop_service
if Win32::Service.exists?(@new_resource.service_name)
state = current_state
if state == RUNNING
if @new_resource.stop_command
Chef::Log.debug "#{@new_resource} stopping service using the given stop_command"
shell_out!(@new_resource.stop_command)
else
spawn_command_thread do
Win32::Service.stop(@new_resource.service_name)
end
wait_for_state(STOPPED)
end
@new_resource.updated_by_last_action(true)
elsif state == STOPPED
Chef::Log.debug "#{@new_resource} already stopped - nothing to do"
elsif state == STOP_PENDING
Chef::Log.debug "#{@new_resource} already sent stop signal - waiting for stop"
wait_for_state(STOPPED)
else
raise Chef::Exceptions::Service, "Service #{@new_resource} can't be stopped from state [#{state}]"
end
else
Chef::Log.debug "#{@new_resource} does not exist - nothing to do"
end
end
def restart_service
if Win32::Service.exists?(@new_resource.service_name)
if @new_resource.restart_command
Chef::Log.debug "#{@new_resource} restarting service using the given restart_command"
shell_out!(@new_resource.restart_command)
else
stop_service
start_service
end
@new_resource.updated_by_last_action(true)
else
Chef::Log.debug "#{@new_resource} does not exist - nothing to do"
end
end
def enable_service
if Win32::Service.exists?(@new_resource.service_name)
if start_type == AUTO_START
Chef::Log.debug "#{@new_resource} already enabled - nothing to do"
else
Win32::Service.configure(
:service_name => @new_resource.service_name,
:start_type => Win32::Service::AUTO_START
)
@new_resource.updated_by_last_action(true)
end
else
Chef::Log.debug "#{@new_resource} does not exist - nothing to do"
end
end
def disable_service
if Win32::Service.exists?(@new_resource.service_name)
if start_type == AUTO_START
Win32::Service.configure(
:service_name => @new_resource.service_name,
:start_type => Win32::Service::DISABLED
)
@new_resource.updated_by_last_action(true)
else
Chef::Log.debug "#{@new_resource} already disabled - nothing to do"
end
else
Chef::Log.debug "#{@new_resource} does not exist - nothing to do"
end
end
private
def current_state
Win32::Service.status(@new_resource.service_name).current_state
end
def start_type
Win32::Service.config_info(@new_resource.service_name).start_type
end
# Helper method that waits for a status to change its state since state
# changes aren't usually instantaneous.
def wait_for_state(desired_state)
retries = 0
loop do
break if current_state == desired_state
raise Timeout::Error if ( retries += 1 ) > resource_timeout
sleep 1
end
end
def resource_timeout
@resource_timeout ||= @new_resource.timeout || TIMEOUT
end
def spawn_command_thread
worker = Thread.new do
yield
end
Timeout.timeout(resource_timeout) do
worker.join
end
end
end
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