mount_status

in cookbooks/fb_fstab/libraries/provider.rb [504:618]

• 87 lines of code
• 18 McCabe index (conditional complexity)

    def mount_status(desired)
      
      
      
      
      
      
      if desired['type'] == 'tmpfs'
        return tmpfs_mount_status(desired)
      end

      key = "#{desired['device']},#{desired['mount_point']}"
      fs_data = node.filesystem_data
      mounted = nil
      if fs_data['by_pair'][key]
        mounted = fs_data['by_pair'][key].to_hash
      else
        key = "#{desired['device']}/,#{desired['mount_point']}"
        if fs_data['by_pair'][key]
          mounted = fs_data['by_pair'][key].to_hash
        end
      end

      if mounted
        Chef::Log.debug(
          "fb_fstab: There is an entry in node['filesystem'] for #{key}",
        )
        
        
        
        
        if compare_fstype(desired['type'], mounted['fs_type']) ||
           (desired['device'].start_with?('/') &&
            [desired['type'], mounted['fs_type']].include?('auto'))
          Chef::Log.debug(
            "fb_fstab: FS #{desired['device']} on #{desired['mount_point']}" +
            ' is currently mounted...',
          )
          if compare_opts(desired['opts'], mounted['mount_options'])
            Chef::Log.debug('fb_fstab: ... with identical options.')
            return :same
          else
            Chef::Log.debug(
              "fb_fstab: ... with different options #{desired['opts']} vs " +
              mounted['mount_options'].join(','),
            )
            Chef::Log.info(
              "fb_fstab: #{desired['mount_point']} is mounted with options " +
              "#{canonicalize_opts(mounted['mount_options'])} instead of " +
              canonicalize_opts(desired['opts']).to_s,
            )
            return :remount
          end
        else
          Chef::Log.warn(
            "fb_fstab: Device #{desired['device']} is mounted at " +
            "#{mounted['mount']} as desired, but with fstype " +
            "#{mounted['fs_type']} instead of #{desired['type']}",
          )
          return :conflict
        end
      end

      
      
      
      
      unless ['nfs', 'nfs4', 'glusterfs'].include?(desired['type'])
        device = fs_data['by_device'][desired['device']]
        
        
        
        
        
        
        if device && device['mounts'] && !device['mounts'].empty? &&
          !(
            FB::Fstab.btrfs_subvol?(
              device['fs_type'],
              device['mount_options'].join(','),
            ) &&
            FB::Fstab.btrfs_subvol?(
              desired['type'],
              desired['opts'],
            ) &&
            !FB::Fstab.same_subvol?(
              device['mounts'][0],
              device['mount_options'].join(','),
              desired['opts'],
            )
          )

          Chef::Log.warn(
            "fb_fstab: #{desired['device']} is at #{device['mounts']}, but" +
            " we want it at #{desired['mount_point']}",
          )
          return :moved
        end
      end

      
      
      if fs_data['by_mountpoint'][desired['mount_point']]
        devices = fs_data['by_mountpoint'][
            desired['mount_point']]['devices']
        Chef::Log.warn(
          "fb_fstab: Device #{desired['device']} desired at " +
          "#{desired['mount_point']} but something #{devices} already " +
          'mounted there.',
        )
        return :conflict
      end
      :missing
    end