Update README.md

README.md

@@ -75,11 +75,10 @@ Usage with LLDP and STATIC:
 
 ```
 OMD[build]:~$ ~/local/bin/topology_data/create_topology_data.py --help
-usage: create_topology_data.py [-h] [-d] [-o OUTPUT_DIRECTORY] [-s SEED_DEVICES [SEED_DEVICES ...]]
-                               [-l {CDP,CUSTOM,LLDP,STATIC} [{CDP,CUSTOM,LLDP,STATIC} ...]]
-                               [-u USER_DATA_FILE] [-v] [--check-user-data-only] [--debug] [--dont-compare]
-                               [--keep-domain] [--keep KEEP] [--lowercase] [--min-age MIN_AGE]
-                               [--time-format TIME_FORMAT] [--uppercase]
+usage: create_topology_data.py [-h] [-b {LIVESTATUS,FILESYSTEM,MULTISITE}] [-d] [-o OUTPUT_DIRECTORY]
+                               [-s SEED_DEVICES [SEED_DEVICES ...]] [-l {CDP,CUSTOM,LLDP,STATIC} [{CDP,CUSTOM,LLDP,STATIC} ...]]
+                               [-u USER_DATA_FILE] [-v] [--check-user-data-only] [--debug] [--dont-compare] [--keep-domain]
+                               [--keep KEEP] [--lowercase] [--min-age MIN_AGE] [--time-format TIME_FORMAT] [--uppercase]
 
 This script creates the topology data file needed for the Checkmk "network_visualization"
 plugin by Andreas Boesl and schnetz. For more information see
@@ -95,6 +94,11 @@ for more information see: https://thl-cmk.hopto.org
 
 options:
   -h, --help            show this help message and exit
+  -b {LIVESTATUS,FILESYSTEM,MULTISITE}, --backend {LIVESTATUS,FILESYSTEM,MULTISITE}
+                        Backend used to retrieve the topology data
+                             LIVESTATUS is the default for performance reasons -> for now only local site
+                             FILESYSTEM fetches the data directly form the inventory files -> use in distributed environments
+                             MULTISITE like LIVESTATUS but for distribute environments -> NOT YET IMPLEMENTED
   -d, --default         Set the created topology data as default
   -o OUTPUT_DIRECTORY, --output-directory OUTPUT_DIRECTORY
                         Directory name where to save the topology data.