Class: Chef::Provider::Service::Arch

Inherits:
Init show all
Defined in:
lib/chef/provider/service/arch.rb

Constant Summary

Constants included from Mixin::ShellOut

Mixin::ShellOut::DEPRECATED_OPTIONS

Instance Attribute Summary

Attributes inherited from Chef::Provider

#action, #current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods inherited from Init

#define_resource_requirements, #reload_service, #restart_service, #start_service, #stop_service

Methods included from Mixin::ShellOut

#run_command_compatible_options, #shell_out, #shell_out!

Methods inherited from Simple

#define_resource_requirements, #reload_service, #restart_service, #shared_resource_requirements, #start_service, #stop_service, #whyrun_supported?

Methods inherited from Chef::Provider::Service

#action_disable, #action_enable, #action_reload, #action_restart, #action_start, #action_stop, #define_resource_requirements, #load_new_resource_state, #reload_service, #restart_service, #shared_resource_requirements, #start_service, #stop_service, #whyrun_supported?

Methods included from Mixin::Command

#chdir_or_tmpdir, #handle_command_failures, #output_of_command, #run_command, #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, #cookbook_name, #define_resource_requirements, #events, #node, #process_resource_requirements, #requirements, #resource_collection, #run_action, #set_updated_status, #whyrun_mode?, #whyrun_supported?

Methods included from DSL::Recipe

#method_missing

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Constructor Details

#initialize(new_resource, run_context) ⇒ Arch

Returns a new instance of Arch.



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# File 'lib/chef/provider/service/arch.rb', line 24

def initialize(new_resource, run_context)
  super
  @init_command = "/etc/rc.d/#{@new_resource.service_name}"
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::DSL::Recipe

Instance Method Details

#daemons {|entries| ... } ⇒ Object

Get list of all daemons from the file ‘/etc/rc.conf’. Mutiple lines and background form are supported. Example:

DAEMONS=(\
  foobar \
  @example \
  !net \
)

Yields:

  • (entries) 


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

def daemons
  entries = []
  if ::File.read("/etc/rc.conf").match(/DAEMONS=\((.*)\)/m)
    entries += $1.gsub(/\\?[\r\n]/, ' ').gsub(/# *[^ ]+/,' ').split(' ') if $1.length > 0
  end

  yield(entries) if block_given?

  entries
end

#disable_service ⇒ Object 



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# File 'lib/chef/provider/service/arch.rb', line 90

def disable_service()
  new_daemons = []
  entries = daemons

  if entries.include?("!#{new_resource.service_name}")
    # exists and disabled
    # new_daemons += entries
  else
    if entries.include?(new_resource.service_name) or entries.include?("@#{new_resource.service_name}")
      # exists but enabled (or enabled as a back-ground service)
      # FIXME: Does arch support !@foobar ?
      entries.each do |daemon|
        if [new_resource.service_name, "@#{new_resource.service_name}"].include?(daemon)
          new_daemons << "!#{new_resource.service_name}"
        else
          new_daemons << daemon
        end
      end
    end
    update_daemons(new_daemons)
  end
end

#enable_service ⇒ Object 



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# File 'lib/chef/provider/service/arch.rb', line 64

def enable_service()
  new_daemons = []
  entries = daemons

  if entries.include?(new_resource.service_name) or entries.include?("@#{new_resource.service_name}")
    # exists and already enabled (or already enabled as a background service)
    # new_daemons += entries
  else
    if entries.include?("!#{new_resource.service_name}")
      # exists but disabled
      entries.each do |daemon|
        if daemon == "!#{new_resource.service_name}"
          new_daemons << new_resource.service_name
        else
          new_daemons << daemon
        end
      end
    else
      # does not exist
      new_daemons += entries
      new_daemons << new_resource.service_name
    end
    update_daemons(new_daemons)
  end
end

#load_current_resource ⇒ Object

Raises:



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# File 'lib/chef/provider/service/arch.rb', line 29

def load_current_resource
  raise Chef::Exceptions::Service, "Could not find /etc/rc.conf"  unless ::File.exists?("/etc/rc.conf")
  raise Chef::Exceptions::Service, "No DAEMONS found in /etc/rc.conf"  unless ::File.read("/etc/rc.conf").match(/DAEMONS=\((.*)\)/m)
  super

  @current_resource.enabled(daemons.include?(@current_resource.service_name))
  @current_resource
end

#update_daemons(entries) ⇒ Object

FIXME: Multiple entries of DAEMONS will cause very bad results :)



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# File 'lib/chef/provider/service/arch.rb', line 57

def update_daemons(entries)
  content = ::File.read("/etc/rc.conf").gsub(/DAEMONS=\((.*)\)/m, "DAEMONS=(#{entries.join(' ')})")
  ::File.open("/etc/rc.conf", "w") do |f|
    f.write(content)
  end
end