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Samba monitoring
| Author | Damien Martins |
|---|---|
| Compatibility | From Xymon 4.2.0 to Xymon 4.2.3 |
| Requirements | sh (or bash), samba tool suite for Uni* (smbclient, smbtree…) |
| Download | https://www.makelofine.org/xymon-plugins/hobbit-samba-v0.2.2.tar.bz2 |
| Last Update | 2009-11-21 |
Description
A shell script to monitor samba servers and shares. Usefull to check availability on many samba servers/shares from a single host.
Installation
Client side
Untar this package, put hobbit-samba.sh in $BBHOME/ext directory Put hobbit-samba.conf in $BBHOME/etc directory Configuration details are in hobbit-samba.conf and almost well documented in. Modify variables (lines 40 and following) to fit your local configuration
Server side
Add samba to you $BBHOME/server/bb-hosts line for the host running this script
Source
hobbit-samba.sh
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#!/bin/sh # ALL THIS SCRIPT IS UNDER GPL LICENSE #Version 0.2.1 # Title: hobbit-samba # Author: Damien Martins ( doctor |at| makelofine |dot| org) # Date: 2009-07-26 # Purpose: Check samba servers/shares status # Platforms: Uni* having samba tools suite (smbclient, smbtree) # Tested: Hobbit 4.2.0 & Xymon 4.2.2 & 4.2.3 / Samba tools 3.0.24 (Debian Etch package) & 3.0.28-1.el5_2.1 (CentOS release 5.2 Final) & 3.0.10-1.fc2 (Fedora Core 2) & 3.3.4 (Debian Squeeze package) & 3.2.5 (Debian Lenny package) # # TODO for v0.3 : # -Support for a global user/password # -Samba advanced parameters monitoring (locked files, permissions...) # -Getting a complete list of shares for one samba servers # -Monitoring printer jobs # # History : # # - 26 jul 2009 - Damien Martins # v0.2.1 -Bug fix on hobbit-samba.conf management getting duplicated lines. # -13 jun 2009-Damien Martins # v0.2 -Adding support for restrict option in configuration file # -Restrict function in hobbit-samba.sh # -Support for hobbit-samba restrict alerts # -05 may 2009-Damien Martins # v0.1.3 -Adding checks for almost all variables (executability, availability...) # -03 may 2009-Damien Martins # v0.1.2 -Adding a check for configuration file availability/Debug facility # -17 mar 2009 - Damien Martins # v0.1.1 : -Fix on status/color management # -13 jan 2009-Damien Martins # v0.1 : First lines, trying to get : # -Samba disk shares tests (including "homes" support) # -Samba printers shares tests # -Remote and local samba servers #This script should be stored in ext directory, located in Hobbit/Xymon client home (typically ~xymon/client/ext or ~hobbit/client/ext). #Define where you store hobbit-samba.conf : CONFIG_FILE=""$HOBBITCLIENTHOME"/etc/hobbit-samba.conf" #System variables. Please have a look to check you have all those binaries and the location is correct : SMBCLIENT="/usr/bin/smbclient" SMBTREE="/usr/bin/smbtree" RM="/bin/rm" AWK="/usr/bin/awk" GREP="/bin/grep" TEST="samba" CAT="/bin/cat" TOUCH="/usr/bin/touch" DATE="/bin/date" TR="/usr/bin/tr" #Script internal variables. Change only if needed. LOGFILE=""$BBTMP"/hobbit-samba.log" TMPFILE=""$BBTMP"/hobbit-samba.tmp" MSGFILE=""$BBTMP"/hobbit-samba.msg" if [ "$1" == "debug" ] ; then CONFIG_FILE="$(pwd)/hobbit-samba.conf" HOBBITCLIENTHOME=$(pwd) BBTMP=/tmp BB=echo BBDISP=your.hobbit.server MACHINE=$(hostname) fi #Basic tests : if [ ! -r "$CONFIG_FILE" ] ; then echo "Can't find or read hobbit samba configuration file ! Please check variable CONFIG_FILE in hobbit-samba.sh file !!!" exit 1 fi if [ -z "$HOBBITCLIENTHOME" ] ; then echo "HOBBITCLIENTHOME not defined !" exit 1 fi if [ -z "$BBTMP" ] ; then echo "BBTMP not defined !" exit 1 fi if [ ! -w "$BBTMP" ] ; then echo "BBTMP is not writable !" exit 1 fi if [ -z "$BB" ] ; then echo "BB not defined !" exit 1 fi if [ ! -x "$BB" ] ; then echo "BB is not executable !" exit 1 fi if [ -z "$BBDISP" ] ; then echo "BBDISP not defined !" exit 1 fi if [ -z "$MACHINE" ] ; then echo "MACHINE not defined !" exit 1 fi #Infos for later releases #Getting all samba servers list : #$SMBTREE -N -b -S #Getting all samba domains : #$SMBTREE -N -b -D #Getting printer jobs : #smbspool --help #Usage: smbspool [DEVICE_URI] job-id user title copies options [file] #The DEVICE_URI environment variable can also contain the #destination printer: #smb://[username:password@][workgroup/]server[:port]/printer #Removing temporary file : if [ -f "$MSGFILE" ] ; then "$RM" "$MSGFILE" fi if [ -f "$TMPFILE" ] ; then "$RM" "$TMPFILE" fi #Let's start baby unset RED YELLOW restrict () { $RM $BBTMP/hobbit-samba-shares-list.found $BBTMP/hobbit-samba-shares-list.authorized $BBTMP/hobbit-samba-shares-list.tmp RESTRICT_ALARM_COLOR=$($GREP RESTRICT_COLOR $CONFIG_FILE | $AWK -F= '{print $2}' |$TR [:upper:] [:lower:]) $SMBTREE -b -N |$GREP '\\\\[A-Za-z]*\\' |$AWK '{print $1}' |$SED 'y/\\/\ /' |$TR [:upper:] [:lower:] > $BBTMP/hobbit-samba-shares-list.tmp while read LINE ; do LINE="$(echo "$LINE" | $GREP -v "^RESTRICT" | $GREP -v "^#" | $GREP -v "^$")" VARIABLE=$(echo "$LINE" | $AWK -F= '{print $1}') VALUE=$(echo "$LINE" | $AWK -F= '{print $2}') if [ "$VARIABLE" == "HOST" ] ; then HOST=$(echo "$VALUE" |$TR [:upper:] [:lower:]) unset SHARE elif [ "$VARIABLE" == "" ] ; then unset SHARE elif [ "$VARIABLE" == "SHARE" ] ; then SHARE=$(echo "$VALUE" |$TR [:upper:] [:lower:]) else unset HOST SHARE fi if [ "$HOST" ] && [ "$SHARE" ] && [ "$LINE" ] ; then echo "SHARE $SHARE on HOST $HOST" >> $BBTMP/hobbit-samba-shares-list.authorized fi done < "$CONFIG_FILE" while read LINE ; do LINE="$(echo "$LINE" | $GREP -v "^RESTRICT" | $GREP -v "^#" | $GREP -v "^$")" HOST="$(echo "$LINE" | "$AWK" '{print $1}')" SHARE="$(echo "$LINE" | "$AWK" '{print $2}')" echo "SHARE $SHARE on HOST $HOST" >> $BBTMP/hobbit-samba-shares-list.found done < $BBTMP/hobbit-samba-shares-list.tmp while read LINE ; do LINE="$(echo "$LINE" | $GREP -v "^RESTRICT" | $GREP -v "^#" | $GREP -v "^$")" HOST=$(echo "$LINE" | $AWK '{print $5}') SHARE=$(echo "$LINE" | $AWK '{print $2}') $GREP "$LINE" hobbit-samba-shares-list.authorized 1>/dev/null if [ $? -ne 0 ] && [ "$RESTRICT_ALARM_COLOR" == "yellow" ] ; then YELLOW=1 echo "&yellow Unauthorized share "$SHARE" found on server "$HOST" !!! " >> "$MSGFILE" elif [ $? -ne 0 ] && [ "$RESTRICT_ALARM_COLOR" == "red" ] ; then RED=1 echo "&red Unauthorized share "$SHARE" found on server "$HOST" !!! " >> "$MSGFILE" fi done < $BBTMP/hobbit-samba-shares-list.found } while read LINE ; do LINE="$(echo "$LINE" | "$GREP" -v "#" | "$GREP" -v "^$" | $GREP -v "^RESTRICT")" VARIABLE="$(echo "$LINE" | "$AWK" -F= '{print $1}')" VALUE="$(echo "$LINE" | "$AWK" -F= '{print $2}')" if [ "$VARIABLE" == "HOST" ] ; then HOST="$VALUE" unset SHARE elif [ "$VARIABLE" == "" ] ; then unset SHARE elif [ "$VARIABLE" == "SHARE" ] ; then SHARE="$VALUE" elif [ "$VARIABLE" == "USER" ] ; then USER="$VALUE" elif [ "$VARIABLE" == "PASS" ] ; then PASS="$VALUE" fi if [ -z "$SHARE" ] ; then continue else "$SMBCLIENT" //"$HOST"/"$SHARE" "$PASS" -U "$USER" -c exit 1>&2> "$TMPFILE" if [ $? -ne 0 ] ; then RED=1 echo "&red share "$SHARE" on server "$HOST" is unavailable for following reason : $("$CAT" $(echo "$TMPFILE")) " >> "$MSGFILE" echo "Share : $SHARE on $HOST NOK : $("$CAT" "$TMPFILE")" >> "$LOGFILE" else echo "&green share "$SHARE" on server "$HOST" is OK " >> "$MSGFILE" fi fi done < "$CONFIG_FILE" RESTRICTED=$($GREP "RESTRICT=" $CONFIG_FILE |$AWK -F= '{print $2}' |$TR [:upper:] [:lower:]) if [ "$RESTRICTED" == "yes" ] ; then restrict elif [ "$RESTRICTED" == "no" ] ; then echo "Restriction is disabled " >> "$MSGFILE" else echo "RESTRICT value in $CONFIG_FILE is uncorrectly set : RESTRICT = $RESTRICTED " >> "$MSGFILE" fi if [ $RED ] ; then STATUS=red elif [ $YELLOW ] ; then STATUS=yellow else STATUS=green fi "$BB" "$BBDISP" "status "$MACHINE"."$TEST" "$STATUS" $("$DATE") $("$CAT" $(echo "$MSGFILE"))"
Known Bugs and Issues
None
To Do
v0.3 :
- Support for a global user/password
- Samba advanced parameters monitoring (locked files, permissions…)
- Monitoring printer jobs
Credits
Changelog
- 2009-01-14 v0.1
- Initial release.
- 2009-03-17 v0.1.1
- Fixes on bugs (color/status management).
- 2009-05-02 v0.1.2
- Adding check for configuration file availability.
- 2009-05-05 v0.1.3
- Adding several checks for almost all variables.
- 2009-06-13 v0.2
- Adding support for unauthorized shares.
- 2009-07-26 v0.2.1
- Bug fix causing duplicates shares printed.
- 2009-11-21 v0.2.2
- Bug fix on TMPFILE handling.