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* V1.7 add -A flag to autoread mounts from fstab and return OK if no …
…external mounts found in fstab
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,5 @@ | ||
| #!/bin/bash | ||
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| # -------------------------------------------------------------------- | ||
| # **** BEGIN LICENSE BLOCK ***** | ||
| # | ||
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@@ -23,19 +23,21 @@ | |
| # | ||
| # **** END LICENSE BLOCK ***** | ||
| # -------------------------------------------------------------------- | ||
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| # -------------------------------------------------------------------- | ||
| # Check if all specified nfs/cifs/davfs mounts exist and if they are correct implemented. | ||
| # That means we check /etc/fstab, the mountpoints in the filesystem and if they | ||
| # are mounted. It is written for Linux, uses proc-Filesystem and was tested on | ||
| # Debian, OpenSuse 10.1 10.2 10.3 11.0, SLES 10.1 11.1, RHEL 5 6, CentOS 5 6 and solaris | ||
| # | ||
| # @author: Daniel Werdermann / [email protected] | ||
| # @version: 1.6 | ||
| # @date: 2012-08-17 17:21:14 CEST | ||
| # @version: 1.7 | ||
| # @date: 2012-09-03 18:55:09 CEST | ||
| # | ||
| # changes 1.7 | ||
| # - new flag -A to autoread mounts from fstab and return OK if no mounts found in fstab | ||
| # changes 1.6 | ||
| # - new flag -a to autoread mounts from fstab | ||
| # - new flag -a to autoread mounts from fstab and return UNKNOWN if no mounts found in fstab | ||
| # - no mountpoints given returns state UNKNOWN instead of critical now | ||
| # - parameter MTAB is used correctly on solaris now | ||
| # - fix some minor bugs in the way variables were used | ||
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@@ -55,27 +57,29 @@ | |
| # changes 1.0 | ||
| # - support for solaris | ||
| # -------------------------------------------------------------------- | ||
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| # -------------------------------------------------------------------- | ||
| # configuration | ||
| # -------------------------------------------------------------------- | ||
| PROGNAME=$(basename $0) | ||
| ERR_MESG=() | ||
| LOGGER="`which logger` -i -p kern.warn -t" | ||
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| AUTO=0 | ||
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| AUTOIGNORE=0 | ||
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| export PATH="/bin:/usr/local/bin:/sbin:/usr/bin:/usr/sbin" | ||
| LIBEXEC="/usr/lib64/nagios/plugins /usr/lib/nagios/plugins /usr/local/nagios/libexec /usr/local/libexec" | ||
| for i in ${LIBEXEC} ; do | ||
| [ -r ${i}/utils.sh ] && . ${i}/utils.sh | ||
| done | ||
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| if [ -z "$STATE_OK" ]; then | ||
| echo "nagios utils.sh not found" &>/dev/stderr | ||
| exit 1 | ||
| fi | ||
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| # For solaris FSF=4 MF=3 FSTAB=/etc/vfstab MTAB=/etc/mnttab gnu grep and bash required | ||
| FSF=3 | ||
| MF=2 | ||
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|
@@ -84,17 +88,17 @@ MTAB=/proc/mounts | |
| # Time in seconds after which the check asumes that an NFS mounts is staled, if | ||
| # it do not respons. (default: 3) | ||
| TIME_TILL_STALE=3 | ||
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| # -------------------------------------------------------------------- | ||
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| # -------------------------------------------------------------------- | ||
| # functions | ||
| # -------------------------------------------------------------------- | ||
| function log() { | ||
| $LOGGER ${PROGNAME} "$@"; | ||
| } | ||
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| function usage() { | ||
| echo "Usage: $PROGNAME [-m FILE] \$mountpoint [\$mountpoint2 ...]" | ||
| echo "Usage: $PROGNAME -h,--help" | ||
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@@ -105,9 +109,10 @@ function usage() { | |
| echo " -M NUMBER Mount Field number in fstab (default: 2)" | ||
| echo " -T SECONDS Responsetime at which an NFS is declared as staled (default: 3)" | ||
| echo " -a Autoselect mounts from fstab (default: unset)" | ||
| echo " MOUNTPOINTS list of mountpoints to check. Ignored when -a is given" | ||
| echo " -A Autoselect from fstab. Return OK if no mounts found. (default: unset)" | ||
| echo " MOUNTPOINTS list of mountpoints to check. Ignored when -a is given" | ||
| } | ||
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| function print_help() { | ||
| echo "" | ||
| usage | ||
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|
@@ -120,20 +125,21 @@ function print_help() { | |
| echo "" | ||
| echo "For contact info, read the plugin itself..." | ||
| } | ||
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| # -------------------------------------------------------------------- | ||
| # startup checks | ||
| # -------------------------------------------------------------------- | ||
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| if [ $# -eq 0 ]; then | ||
| usage | ||
| exit $STATE_CRITICAL | ||
| fi | ||
|
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| while [ "$1" != "" ] | ||
| do | ||
| case "$1" in | ||
| -a) AUTO=1; shift;; | ||
| -a) AUTO=1; shift;; | ||
| -A) AUTO=1; AUTOIGNORE=1; shift;; | ||
| --help) print_help; exit $STATE_OK;; | ||
| -h) print_help; exit $STATE_OK;; | ||
| -m) MTAB=$2; shift 2;; | ||
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@@ -147,28 +153,31 @@ do | |
| done | ||
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| if [ ${AUTO} -eq 1 ]; then | ||
| MPS=`grep -v '^#' ${FSTAB} | awk '{if ($'${FSF}'=="nfs" || $'${FSF}'=="nfs4" || $'${FSF}'=="davfs" || $'${FSF}'=="cifs" || $'${FSF}'=="fuse"){print $'${MF}' }}' | tr '\n' ' '` | ||
| MPS=`grep -v '^#' ${FSTAB} | awk '{if ($'${FSF}'=="nfs" || $'${FSF}'=="nfs4" || $'${FSF}'=="davfs" || $'${FSF}'=="cifs" || $'${FSF}'=="fuse"){print $'${MF}' }}' | tr '\n' ' '` | ||
| fi | ||
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| if [ -z "${MPS}" ]; then | ||
| log "ERROR: no mountpoints to given!" | ||
| echo "ERROR: no mountpoints to given!" | ||
| usage | ||
| exit $STATE_UNKNOWN | ||
| if [ -z "${MPS}" ] && [ ${AUTOIGNORE} -eq 1 ] ; then | ||
| echo "OK: no external mounts were found in ${FSTAB}" | ||
| exit $STATE_OK | ||
| elif [ -z "${MPS}" ]; then | ||
| log "ERROR: no mountpoints given!" | ||
| echo "ERROR: no mountpoints given!" | ||
| usage | ||
| exit $STATE_UNKNOWN | ||
| fi | ||
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| if [ ! -f /proc/mounts -a ${MTAB} == /proc/mounts ]; then | ||
| if [ ! -f /proc/mounts -a "${MTAB}" == "/proc/mounts" ]; then | ||
| log "WARN: /proc wasn't mounted!" | ||
| mount -t proc proc /proc | ||
| ERR_MESG[${#ERR_MESG[*]}]="WARN: mounted /proc $?" | ||
| fi | ||
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| if [ ! -f "${MTAB}" ]; then | ||
| log "WARN: ${MTAB} don't exist!" | ||
| echo "WARN: ${MTAB} don't exist!" | ||
| exit $STATE_CRITICAL | ||
| fi | ||
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| # -------------------------------------------------------------------- | ||
| # now we check if the given parameters ... | ||
| # 1) ... exist in the /etc/fstab | ||
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@@ -178,22 +187,22 @@ fi | |
| # -------------------------------------------------------------------- | ||
| for MP in ${MPS} ; do | ||
| ## If its an OpenVZ Container or -a Mode is selected skip fstab check. | ||
| ## -a Mode takes mounts from fstab, we do not have to check if they exist in fstab ;) | ||
| ## -a Mode takes mounts from fstab, we do not have to check if they exist in fstab ;) | ||
| if [ ! -f /proc/vz/veinfo -a ${AUTO} -ne 1 ]; then | ||
| awk '{if ($'${FSF}'=="nfs" || $'${FSF}'=="nfs4" || $'${FSF}'=="davfs" || $'${FSF}'=="cifs" || $'${FSF}'=="fuse"){print $'${MF}'}}' ${FSTAB} | grep -q ${MP} &>/dev/null | ||
| if [ $? -ne 0 ]; then | ||
| log "WARN: ${MP} don't exists in /etc/fstab" | ||
| ERR_MESG[${#ERR_MESG[*]}]="${MP} don't exists in fstab ${FSTAB}" | ||
| fi | ||
| fi | ||
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| ## check kernel mounts | ||
| grep -q -E " ${MP} (nfs|nfs4|davfs|cifs|fuse|simfs) " ${MTAB} &>/dev/null | ||
| if [ $? -ne 0 ]; then | ||
| log "WARN: ${MP} isn't mounted" | ||
| ERR_MESG[${#ERR_MESG[*]}]="${MP} isn't mounted" | ||
| fi | ||
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| ## check if it stales | ||
| df -k ${MP} &>/dev/null & | ||
| DFPID=$! | ||
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@@ -214,9 +223,9 @@ for MP in ${MPS} ; do | |
| ERR_MESG[${#ERR_MESG[*]}]="${MP} don't exists in filesystem" | ||
| fi | ||
| fi | ||
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| done | ||
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| if [ ${#ERR_MESG[*]} -ne 0 ]; then | ||
| echo -n "CRITICAL: " | ||
| for element in "${ERR_MESG[@]}"; do | ||
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@@ -225,6 +234,6 @@ if [ ${#ERR_MESG[*]} -ne 0 ]; then | |
| echo | ||
| exit $STATE_CRITICAL | ||
| fi | ||
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| echo "OK: all mounts were found (${MPS})" | ||
| exit $STATE_OK | ||
| exit $STATE_OK | ||