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# Manage debian services.  Start/stop is the same as InitSvc, but enable/disable
# is special.
Puppet::Type.type(:service).provide :debian, :parent => :init do
  desc "Debian's form of `init`-style management.

  The only difference is that this supports service enabling and disabling
  via `update-rc.d` and determines enabled status via `invoke-rc.d`.

  "

  commands :update_rc => "/usr/sbin/update-rc.d"
  # note this isn't being used as a command until
  # http://projects.reductivelabs.com/issues/2538
  # is resolved.
  commands :invoke_rc => "/usr/sbin/invoke-rc.d"

  defaultfor :operatingsystem => [:debian, :ubuntu]

  def self.defpath
    superclass.defpath
  end

  # Remove the symlinks
  def disable
    if `dpkg --compare-versions $(dpkg-query -W --showformat '${Version}' sysv-rc) ge 2.88 ; echo $?`.to_i == 0
      update_rc @resource[:name], "disable"
    else
      update_rc "-f", @resource[:name], "remove"
      update_rc @resource[:name], "stop", "00", "1", "2", "3", "4", "5", "6", "."
    end
  end

  def enabled?
    # TODO: Replace system call when Puppet::Util.execute gives us a way
    # to determine exit status.  http://projects.reductivelabs.com/issues/2538
    system("/usr/sbin/invoke-rc.d", "--quiet", "--query", @resource[:name], "start")

    # 104 is the exit status when you query start an enabled service.
    # 106 is the exit status when the policy layer supplies a fallback action
    # See x-man-page://invoke-rc.d
    if [104, 106].include?($CHILD_STATUS.exitstatus)
      return :true
    else
      return :false
    end
  end

  def enable
    update_rc "-f", @resource[:name], "remove"
    update_rc @resource[:name], "defaults"
  end
end