Commits on Mar 2, 2022

1. Added disks extended attributes …

   This patch brings some of the physical and virtual drive attributes as
   `custom_fields` to the disks inventory.
   
   The goal is to have this information present to ease disks maintenance
   when a drive becomes unavailable and its attributes can't be read anymore
   from the RAID controller.
   
   It also helps to standardize the extended disk attributes across the
   different manufacturers.
   
   As the disk physical identifers were not available under the correct
   format (hexadecimal format using the `xml` output as opposed as `X:Y:Z` format
   using the default `list` format), the command line parser has been
   refactored to read the `list` format, rather than `xml` one in the
   `omreport` raid controller parser.
   
   As the custom fields have to be created prior being able to register
   the disks extended attributes, this feature is only activated using the
   `--process-virtual-drives` command line parameter, or by setting
   `process_virtual_drives` to `true` in the configuration file.
   
   The custom fields to create as `DCIM > inventory item` `Text` are described
   below.
   
       NAME            LABEL                      DESCRIPTION
       mount_point     Mount point                Device mount point(s)
       pd_identifier   Physical disk identifier   Physical disk identifier in the RAID controller
       vd_array        Virtual drive array        Virtual drive array the disk is member of
       vd_consistency  Virtual drive consistency  Virtual disk array consistency
       vd_device       Virtual drive device       Virtual drive system device
       vd_raid_type    Virtual drive RAID         Virtual drive array RAID type
       vd_size         Virtual drive size         Virtual drive array size
   
   In the current implementation, the disks attributes ore not updated: if
   a disk with the correct serial number is found, it's sufficient to
   consider it as up to date.
   
   To force the reprocessing of the disks extended attributes, the
   `--force-disk-refresh` command line option can be used: it removes all
   existing disks to before populating them with the correct parsing.
   Unless this option is specified, the extended attributes won't be
   modified unless a disk is replaced.
   
   It is possible to dump the physical/virtual disks map on the filesystem under
   the JSON notation to ease or automate disks management. The file path has to
   be provided using the `--dump-disks-map` command line parameter.

   

   geektophe committed Mar 2, 2022
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