source: trunk/server/fedora/config/etc/nagios/check_kern_taint @ 1850

Last change on this file since 1850 was 1850, checked in by adehnert, 11 years ago
Consistently use $ECHO
  • Property svn:executable set to *
File size: 1.2 KB
Line 
1#!/bin/sh
2. /usr/lib64/nagios/plugins/utils.sh
3
4taintval=$(cat /proc/sys/kernel/tainted)
5
6if [ "$taintval" = 0 ]; then
7    $ECHO "Not tainted"
8    exit $STATE_OK
9fi
10
11# This is a bash reimplementation of kernel/panic.c:print_tainted
12# Letters are as follows:
13# 181 *      print_tainted - return a string to represent the kernel taint state.
14# 182 *
15# 183 *  'P' - Proprietary module has been loaded.
16# 184 *  'F' - Module has been forcibly loaded.
17# 185 *  'S' - SMP with CPUs not designed for SMP.
18# 186 *  'R' - User forced a module unload.
19# 187 *  'M' - System experienced a machine check exception.
20# 188 *  'B' - System has hit bad_page.
21# 189 *  'U' - Userspace-defined naughtiness.
22# 190 *  'D' - Kernel has oopsed before
23# 191 *  'A' - ACPI table overridden.
24# 192 *  'W' - Taint on warning.
25# 193 *  'C' - modules from drivers/staging are loaded.
26# 194 *  'I' - Working around severe firmware bug.
27# 195 *
28
29flag=1
30taints=""
31for i in P F S R M B U D A W C I; do
32    if [ $(($taintval & $flag)) -ne 0 ]; then
33        taints="$taints$i"
34    else
35        taints="$taints "
36    fi
37    flag=$(($flag * 2))
38done
39
40$ECHO "Tainted: $taints"
41
42case "$taints" in
43    *M*|*B*|*D*) exit $STATE_CRITICAL;;
44    *U*|*W*) exit $STATE_WARNING;;
45    *) exit $STATE_OK;;
46esac
47
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