Class: Chef::Provider::Service::Macosx

Inherits:
Simple show all
Defined in:
lib/chef/provider/service/macosx.rb

Constant Summary collapse

PLIST_DIRS = 
gather_plist_dirs

Instance Attribute Summary

Attributes inherited from Simple

#status_load_success

Attributes inherited from Chef::Provider

#action, #current_resource, #logger, #new_resource, #recipe_name, #run_context

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Simple

#reload_service, #shared_resource_requirements

Methods inherited from Chef::Provider::Service

#action_disable, #action_enable, #action_mask, #action_reload, #action_restart, #action_start, #action_stop, #action_unmask, #initialize, #load_new_resource_state, #mask_service, #reload_service, #shared_resource_requirements, #supports, #unmask_service, #user_services_requirements

Methods inherited from Chef::Provider

action, #action_nothing, #check_resource_semantics!, #cleanup_after_converge, #compile_and_converge_action, #converge_by, #converge_if_changed, #cookbook_name, #description, #events, include_resource_dsl?, include_resource_dsl_module, #initialize, #introduced, #node, #process_resource_requirements, provides, provides?, #requirements, #resource_collection, #resource_updated?, #run_action, #set_updated_status, supports?, use_inline_resources, #whyrun_mode?, #whyrun_supported?

Methods included from Mixin::Provides

#provided_as, #provides, #provides?

Methods included from Mixin::DescendantsTracker

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

Methods included from Mixin::LazyModuleInclude

#descendants, #include, #included

Methods included from Mixin::ShellOut

apply_default_env, maybe_add_timeout, #shell_out, #shell_out!

Methods included from Mixin::PowershellOut

#powershell_out, #powershell_out!

Methods included from Mixin::WindowsArchitectureHelper

#assert_valid_windows_architecture!, #disable_wow64_file_redirection, #forced_32bit_override_required?, #is_i386_process_on_x86_64_windows?, #node_supports_windows_architecture?, #node_windows_architecture, #restore_wow64_file_redirection, #valid_windows_architecture?, #with_os_architecture, #wow64_architecture_override_required?, #wow64_directory

Methods included from Mixin::PowershellExec

#powershell_exec

Methods included from DSL::Powershell

#ps_credential

Methods included from DSL::RegistryHelper

#registry_data_exists?, #registry_get_subkeys, #registry_get_values, #registry_has_subkeys?, #registry_key_exists?, #registry_value_exists?

Methods included from DSL::DataQuery

#data_bag, #data_bag_item, #search, #tagged?

Methods included from EncryptedDataBagItem::CheckEncrypted

#encrypted?

Methods included from DSL::PlatformIntrospection

#older_than_win_2012_or_8?, #platform?, #platform_family?, #value_for_platform, #value_for_platform_family

Methods included from Mixin::NotifyingBlock

#notifying_block, #subcontext_block

Methods included from DSL::DeclareResource

#build_resource, #declare_resource, #delete_resource, #delete_resource!, #edit_resource, #edit_resource!, #find_resource, #find_resource!, #resources, #with_run_context

Constructor Details

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

Class Method Details

.gather_plist_dirs ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 34

def self.gather_plist_dirs
  locations = %w{/Library/LaunchAgents
                 /Library/LaunchDaemons
                 /System/Library/LaunchAgents
                 /System/Library/LaunchDaemons }
  Chef::Util::PathHelper.home("Library", "LaunchAgents") { |p| locations << p }
  locations
end

Instance Method Details

#define_resource_requirements ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 76

def define_resource_requirements
  requirements.assert(:reload) do |a|
    a.failure_message Chef::Exceptions::UnsupportedAction, "#{self} does not support :reload"
  end

  requirements.assert(:all_actions) do |a|
    a.assertion { @plist_size < 2 }
    a.failure_message Chef::Exceptions::Service, "Several plist files match service name. Please use full service name."
  end

  requirements.assert(:all_actions) do |a|
    a.assertion { ::File.exists?(@plist.to_s) }
    a.failure_message Chef::Exceptions::Service,
      "Could not find plist for #{@new_resource}"
  end

  requirements.assert(:enable, :disable) do |a|
    a.assertion { !@service_label.to_s.empty? }
    a.failure_message Chef::Exceptions::Service,
      "Could not find service's label in plist file '#{@plist}'!"
  end

  requirements.assert(:all_actions) do |a|
    a.assertion { @plist_size > 0 }
    # No failure here in original code - so we also will not
    # fail. Instead warn that the service is potentially missing
    a.whyrun "Assuming that the service would have been previously installed and is currently disabled." do
      @current_resource.enabled(false)
      @current_resource.running(false)
    end
  end
end

#disable_service ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 156

def disable_service
  unless @current_resource.enabled
    logger.trace("#{@new_resource} not enabled, not disabling")
  else
    unload_service
  end
end

#enable_service ⇒ Object

On OS/X, enabling a service has the side-effect of starting it, and disabling a service has the side-effect of stopping it.

This makes some sense on OS/X since launchctl is an “init”-style supervisor that will restart daemons that are crashing, etc.



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# File 'lib/chef/provider/service/macosx.rb', line 148

def enable_service
  if @current_resource.enabled
    logger.trace("#{@new_resource} already enabled, not enabling")
  else
    load_service
  end
end

#load_current_resource ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 49

def load_current_resource
  @current_resource = Chef::Resource::MacosxService.new(@new_resource.name)
  @current_resource.service_name(@new_resource.service_name)
  @plist_size = 0
  @plist = @new_resource.plist ? @new_resource.plist : find_service_plist
  @service_label = find_service_label
  # LaunchAgents should be loaded as the console user.
  @console_user = @plist ? @plist.include?("LaunchAgents") : false
  @session_type = @new_resource.session_type

  if @console_user
    @console_user = Etc.getpwuid(::File.stat("/dev/console").uid).name
    logger.trace("#{new_resource} console_user: '#{@console_user}'")
    cmd = "su "
    param = this_version_or_newer?("10.10") ? "" : "-l "
    param = "-l " if this_version_or_newer?("10.12")
    @base_user_cmd = cmd + param + "#{@console_user} -c"
    # Default LaunchAgent session should be Aqua
    @session_type = "Aqua" if @session_type.nil?
  end

  logger.trace("#{new_resource} Plist: '#{@plist}' service_label: '#{@service_label}'")
  set_service_status

  @current_resource
end

#load_service ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 164

def load_service
  session = @session_type ? "-S #{@session_type} " : ""
  cmd = "launchctl load -w " + session + @plist
  shell_out_as_user(cmd)
end

#restart_service ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 133

def restart_service
  if @new_resource.restart_command
    super
  else
    unload_service
    sleep 1
    load_service
  end
end

#set_service_status ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 184

def set_service_status
  return if @plist.nil? || @service_label.to_s.empty?

  cmd = "launchctl list #{@service_label}"
  res = shell_out_as_user(cmd)

  if res.exitstatus == 0
    @current_resource.enabled(true)
  else
    @current_resource.enabled(false)
  end

  if @current_resource.enabled
    res.stdout.each_line do |line|
      case line.downcase
      when /\s+\"pid\"\s+=\s+(\d+).*/
        pid = $1
        @current_resource.running(pid.to_i != 0)
        logger.trace("Current PID for #{@service_label} is #{pid}")
      end
    end
  else
    @current_resource.running(false)
  end
end

#shell_out_as_user(cmd) ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 175

def shell_out_as_user(cmd)
  if @console_user
    shell_out("#{@base_user_cmd} '#{cmd}'", default_env: false)
  else
    shell_out(cmd, default_env: false)

  end
end

#start_service ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 109

def start_service
  if @current_resource.running
    logger.trace("#{@new_resource} already running, not starting")
  else
    if @new_resource.start_command
      super
    else
      load_service
    end
  end
end

#stop_service ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 121

def stop_service
  unless @current_resource.running
    logger.trace("#{@new_resource} not running, not stopping")
  else
    if @new_resource.stop_command
      super
    else
      unload_service
    end
  end
end

#this_version_or_newer?(this_version) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/service/macosx.rb', line 45

def this_version_or_newer?(this_version)
  Gem::Version.new(node["platform_version"]) >= Gem::Version.new(this_version)
end

#unload_service ⇒ Object 



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# File 'lib/chef/provider/service/macosx.rb', line 170

def unload_service
  cmd = "launchctl unload -w " + @plist
  shell_out_as_user(cmd)
end