remove Kubernetes interfaces

check_netio

@@ -11,13 +11,20 @@
 # 2023-08-22  v1.3  <axel.hahn@unibe.ch>      show status line with 2 digits after "."
 # 2023-09-22  v1.4  <axel.hahn@unibe.ch>      fix syntax error -eq: unary operator expected
 # 2024-01-10  v1.5  <axel.hahn@unibe.ch>      added regex filter for include and exclude
+# 2024-03-04  v1.6  <axel.hahn@unibe.ch>      remove Kubernetes interfaces
 # ======================================================================
 
 
 . $( dirname $0 )/inc_pluginfunctions
 
-export self_APPVERSION=1.5
+export self_APPVERSION=1.6
 
+# network data without non physical interfaces to be removed from /proc/net/dev
+# - lo   - local
+# - bond - bonded interfaces
+# - ppp  - dialer connections
+# - cali - Kubernetes interfaces
+nonPhysicalInterfaces="(lo|bond.*|ppp.*|cali.*):"
 
 # ----------------------------------------------------------------------
 # FUNCTIONS
@@ -80,6 +87,8 @@ if [ $bOptHelp -eq 0 ]; then
     exit 0
 fi
 
+ph.require bc
+
 typeset -i iCountInterfaces
 
 typeset -i iRead=0
@@ -89,7 +98,8 @@ typeset -i iSpeedTrans=0
 typeset -i iTotalRead=0
 typeset -i iTotalTrans=0
 
-data=$( cat /proc/net/dev | grep ":" | grep -vE "(lo|bond.*|ppp.*):")
+# network data without non physical interfaces
+data=$( cat /proc/net/dev | grep ":" | grep -vE "${nonPhysicalInterfaces}")
 
 sFilter=$( ph.getValueWithParam "." "f" "$@" )
 sRemove=$( ph.getValueWithParam "SOMETHING_INVALID" "r" "$@" )

docs/20_Checks/check_netio.md

@@ -16,7 +16,7 @@ This plugin scans `/proc/net/dev` with the regex `eth|en[ops][0-9]*` to show a f
 ______________________________________________________________________
 
 CHECK_NETIO
-v1.5
+v1.6
 
 (c) Institute for Medical Education - University of Bern
 Licence: GNU GPL 3