remove_device_from_any_arrays

in cookbooks/fb_storage/libraries/storage_handlers.rb [318:403]

• 61 lines of code
• 9 McCabe index (conditional complexity)

      def remove_device_from_any_arrays(device)
        array = array_device_is_in(device)
        unless array
          Chef::Log.debug(
            "fb_storage: #{device} not found in any arrays",
          )
          return
        end
        unless File.exist?(array)
          Chef::Log.debug(
            "fb_storage: Skipping removing #{device} from " +
            "#{array} because #{array} no longer exists",
          )
          return
        end

        Chef::Log.info(
          "fb_storage: Removing #{device} from #{array}",
        )

        
        s = Mixlib::ShellOut.new(
          "#{MDADM} #{array} --fail #{device}",
        ).run_command

        
        
        if s.stderr.include?('Device or resource busy') &&
            @node['fb_storage']['stop_and_zero_mdadm_for_format']
          Chef::Log.info("fb_storage: Stopping array #{array}...")
          stop_array(array)
          Chef::Log.info(
            "fb_storage: Zeroing superblock for #{device}...",
          )
          nuke_raid_header(device)
          
          
          return
        else
          s.error!
        end

        
        
        
        
        _sleep(2)

        tries = 0
        max_tries = 6
        interval = 10
        loop do
          s = Mixlib::ShellOut.new(
            "#{MDADM} #{array} --remove #{device}",
          ).run_command

          
          break unless s.error?

          
          unless s.stdout.include?('Device or resource busy')
            s.error!
          end

          
          
          if tries == max_tries
            Chef::Log.error(
              "fb_storage: Failed to remove #{device} from " +
              "#{array} after #{max_tries} tries",
            )
            s.error!
          end

          Chef::Log.info(
            "fb_storage: #{device} still busy after setting it " +
            "faulty - sleeping #{interval} seconds and trying again to " +
            'remove it.',
          )

          
          _sleep(interval)
          tries += 1
        end
      end