Class: Chef::Provider::Service::Windows

Inherits:
Chef::Provider::Service show all
Includes:
Mixin::ShellOut
Defined in:
lib/chef/provider/service/windows.rb

Constant Summary collapse

AUTO_START =

Win32::Service.get_start_type

'auto start'
MANUAL = 
'demand start'
DISABLED = 
'disabled'
RUNNING =

Win32::Service.get_current_state

'running'
STOPPED = 
'stopped'
CONTINUE_PENDING = 
'continue pending'
PAUSE_PENDING = 
'pause pending'
PAUSED = 
'paused'
START_PENDING = 
'start pending'
STOP_PENDING = 
'stop pending'
TIMEOUT = 
60

Constants included from Mixin::ShellOut

Mixin::ShellOut::DEPRECATED_OPTIONS

Instance Attribute Summary

Attributes inherited from Chef::Provider

#action, #cookbook_name, #current_resource, #new_resource, #recipe_name, #run_context

Instance Method Summary collapse

Methods included from Mixin::ShellOut

#run_command_compatible_options, #shell_out, #shell_out!, #shell_out_with_systems_locale, #shell_out_with_systems_locale!

Methods inherited from Chef::Provider::Service

#action_reload, #action_restart, #action_start, #action_stop, #define_resource_requirements, #initialize, #load_new_resource_state, #reload_service, #shared_resource_requirements

Methods included from Mixin::Command

#chdir_or_tmpdir, #handle_command_failures, #output_of_command, #run_command, #run_command_and_return_stdout_stderr, #run_command_with_systems_locale

Methods included from Mixin::Command::Windows

#popen4

Methods included from Mixin::Command::Unix

#popen4

Methods inherited from Chef::Provider

#action_nothing, #cleanup_after_converge, #converge_by, #define_resource_requirements, #events, #initialize, #node, node_map, #process_resource_requirements, provides, provides?, #requirements, #resource_collection, #resource_updated?, #run_action, #set_updated_status, supports?, #whyrun_mode?

Methods included from Mixin::DescendantsTracker

#descendants, descendants, direct_descendants, #direct_descendants, find_descendants_by_name, #find_descendants_by_name, #inherited, store_inherited

Constructor Details

This class inherits a constructor from Chef::Provider::Service

Instance Method Details

#action_configure_startup ⇒ Object 



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# File 'lib/chef/provider/service/windows.rb', line 207

def action_configure_startup
  case @new_resource.startup_type
  when :automatic
    if current_start_type != AUTO_START
      converge_by("set service #{@new_resource} startup type to automatic") do
        set_startup_type(:automatic)
      end
    else
      Chef::Log.debug("#{@new_resource} startup_type already automatic - nothing to do")
    end
  when :manual
    if current_start_type != MANUAL
      converge_by("set service #{@new_resource} startup type to manual") do
        set_startup_type(:manual)
      end
    else
      Chef::Log.debug("#{@new_resource} startup_type already manual - nothing to do")
    end
  when :disabled
    if current_start_type != DISABLED
      converge_by("set service #{@new_resource} startup type to disabled") do
        set_startup_type(:disabled)
      end
    else
      Chef::Log.debug("#{@new_resource} startup_type already disabled - nothing to do")
    end
  end

  # Avoid changing enabled from true/false for now
  @new_resource.enabled(nil)
end

#action_disable ⇒ Object 



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# File 'lib/chef/provider/service/windows.rb', line 194

def action_disable
  if current_start_type != DISABLED
    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

#action_enable ⇒ Object 



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# File 'lib/chef/provider/service/windows.rb', line 181

def action_enable
  if current_start_type != AUTO_START
    converge_by("enable service #{@new_resource}") do
      enable_service
      Chef::Log.info("#{@new_resource} enabled")
    end
  else
    Chef::Log.debug("#{@new_resource} already enabled - nothing to do")
  end
  load_new_resource_state
  @new_resource.enabled(true)
end

#disable_service ⇒ Object 



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# File 'lib/chef/provider/service/windows.rb', line 173

def disable_service
  if Win32::Service.exists?(@new_resource.service_name)
    set_startup_type(:disabled)
  else
    Chef::Log.debug "#{@new_resource} does not exist - nothing to do"
  end
end

#enable_service ⇒ Object 



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# File 'lib/chef/provider/service/windows.rb', line 165

def enable_service
  if Win32::Service.exists?(@new_resource.service_name)
    set_startup_type(:automatic)
  else
    Chef::Log.debug "#{@new_resource} does not exist - nothing to do"
  end
end

#load_current_resource ⇒ Object 



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# File 'lib/chef/provider/service/windows.rb', line 55

def load_current_resource
  @current_resource = Chef::Resource::WindowsService.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}"
  case current_start_type
  when AUTO_START
    @current_resource.enabled(true)
  when DISABLED
    @current_resource.enabled(false)
  end
  Chef::Log.debug "#{@new_resource} enabled: #{@current_resource.enabled}"
  @current_resource
end

#restart_service ⇒ Object 



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# File 'lib/chef/provider/service/windows.rb', line 150

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

#start_service ⇒ Object 



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# File 'lib/chef/provider/service/windows.rb', line 70

def start_service
  if Win32::Service.exists?(@new_resource.service_name)
    # reconfiguration is idempotent, so just do it.
    new_config = {
      service_name: @new_resource.service_name,
      service_start_name: @new_resource.run_as_user,
      password: @new_resource.run_as_password,
    }.reject { |k,v| v.nil? || v.length == 0 }

    Win32::Service.configure(new_config)
    Chef::Log.info "#{@new_resource} configured with #{new_config.inspect}"

    # it would be nice to check if the user already has the logon privilege, but that turns out to be
    # nontrivial.
    if new_config.has_key?(:service_start_name)
      grant_service_logon(new_config[:service_start_name])
    end

    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
          begin
            Win32::Service.start(@new_resource.service_name)
          rescue SystemCallError => ex
            if ex.errno == ERROR_SERVICE_LOGON_FAILED
              Chef::Log.error ex.message
              raise Chef::Exceptions::Service,
              "Service #{@new_resource} did not start due to a logon failure (error #{ERROR_SERVICE_LOGON_FAILED}): possibly the specified user '#{@new_resource.run_as_user}' does not have the 'log on as a service' privilege, or the password is incorrect."
            else
              raise ex
            end
          end
        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

#stop_service ⇒ Object 



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# File 'lib/chef/provider/service/windows.rb', line 123

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

#whyrun_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/service/windows.rb', line 51

def whyrun_supported?
  false
end