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#
# Author:: AJ Christensen (<aj@hjksolutions.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.
#
require 'chef/mixin/command'
require 'chef/provider'
class Chef
class Provider
class Service < Chef::Provider
include Chef::Mixin::Command
def initialize(new_resource, run_context)
super
@enabled = nil
end
def whyrun_supported?
true
end
def load_new_resource_state
# If the user didn't specify a change in enabled state,
# it will be the same as the old resource
if ( @new_resource.enabled.nil? )
@new_resource.enabled(@current_resource.enabled)
end
if ( @new_resource.running.nil? )
@new_resource.running(@current_resource.running)
end
end
def shared_resource_requirements
end
def define_resource_requirements
requirements.assert(:reload) do |a|
a.assertion { @new_resource.supports[:reload] || @new_resource.reload_command }
a.failure_message Chef::Exceptions::UnsupportedAction, "#{self.to_s} does not support :reload"
# if a service is not declared to support reload, that won't
# typically change during the course of a run - so no whyrun
# alternative here.
end
end
def action_enable
if @current_resource.enabled
Chef::Log.debug("#{@new_resource} already enabled - nothing to do")
else
converge_by("enable service #{@new_resource}") do
enable_service
Chef::Log.info("#{@new_resource} enabled")
end
end
load_new_resource_state
@new_resource.enabled(true)
end
def action_disable
if @current_resource.enabled
converge_by("disable service #{@new_resource}") do
disable_service
Chef::Log.info("#{@new_resource} disabled")
end
else
Chef::Log.debug("#{@new_resource} already disabled - nothing to do")
end
load_new_resource_state
@new_resource.enabled(false)
end
def action_start
unless @current_resource.running
converge_by("start service #{@new_resource}") do
start_service
Chef::Log.info("#{@new_resource} started")
end
else
Chef::Log.debug("#{@new_resource} already running - nothing to do")
end
load_new_resource_state
@new_resource.running(true)
end
def action_stop
if @current_resource.running
converge_by("stop service #{@new_resource}") do
stop_service
Chef::Log.info("#{@new_resource} stopped")
end
else
Chef::Log.debug("#{@new_resource} already stopped - nothing to do")
end
load_new_resource_state
@new_resource.running(false)
end
def action_restart
converge_by("restart service #{@new_resource}") do
restart_service
Chef::Log.info("#{@new_resource} restarted")
end
load_new_resource_state
@new_resource.running(true)
end
def action_reload
if @current_resource.running
converge_by("reload service #{@new_resource}") do
reload_service
Chef::Log.info("#{@new_resource} reloaded")
end
end
load_new_resource_state
end
def enable_service
raise Chef::Exceptions::UnsupportedAction, "#{self.to_s} does not support :enable"
end
def disable_service
raise Chef::Exceptions::UnsupportedAction, "#{self.to_s} does not support :disable"
end
def start_service
raise Chef::Exceptions::UnsupportedAction, "#{self.to_s} does not support :start"
end
def stop_service
raise Chef::Exceptions::UnsupportedAction, "#{self.to_s} does not support :stop"
end
def restart_service
raise Chef::Exceptions::UnsupportedAction, "#{self.to_s} does not support :restart"
end
def reload_service
raise Chef::Exceptions::UnsupportedAction, "#{self.to_s} does not support :restart"
end
protected
def default_init_command
if @new_resource.init_command
@new_resource.init_command
elsif self.instance_variable_defined?(:@init_command)
@init_command
end
end
def custom_command_for_action?(action)
method_name = "#{action}_command".to_sym
@new_resource.respond_to?(method_name) &&
!!@new_resource.send(method_name)
end
end
end
end
|
