From b50456ef17b9db28c59320a63732664df45b7757 Mon Sep 17 00:00:00 2001
From: "Hahn Axel (hahn)" <axel.hahn@unibe.ch>
Date: Mon, 4 Mar 2024 11:28:17 +0100
Subject: [PATCH] remove Kubernetes interfaces
---
check_netio | 14 ++++++++++++--
docs/20_Checks/check_netio.md | 2 +-
2 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/check_netio b/check_netio
index a42c5f3..df97ce8 100755
--- a/check_netio
+++ b/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=$( ph.getValueWithParam "SOMETHING_INVALID" "r" "$@" )
diff --git a/docs/20_Checks/check_netio.md b/docs/20_Checks/check_netio.md
index ba5db8d..5739150 100644
--- a/docs/20_Checks/check_netio.md
+++ b/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
--
GitLab