687 lines
19 KiB
Bash
Executable file
687 lines
19 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# MOTDs32 powered by Erreur32
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# Original Author: Krigler Pavol
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# Version 0.0.5
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#
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# MOTDs32 is dynamicaly refreshing the /etc/motd file with current informations
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# about system status and usage.
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#
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# Copyright 2013 Pavol Krigler <pavol.krigler@gelogic.net>
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#
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if [[ $EUID -ne 0 ]]; then
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echo " Need to be ROOT to executing this file" 1>&2
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else
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/bin/bash /etc/motds32/Stats32 > /etc/motds32/Stats32.txt
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# echo -e "\n Generating Stats file" 1>&2
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fi
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# Path to the configuration file
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CONFIGFILE="/etc/motds32/motds32.conf"
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# Message of the day file
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MOTD='/etc/motd'
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MOTD32="/etc/motds32/Stats32"
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PRG32="/etc/motds32"
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# List of network services which MUST be running
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NETSERVICE_LIST="/etc/motds32/netservice"
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# List of processes which MUST be running
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PROCESS_LIST="/etc/motds32/process"
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# List of partitions and usage limits
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PARTITION_TABLE="/etc/motds32/fstab_limits"
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# List of processes which could be autodiscovered during installation
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AUTO_PROCESS_DISCOVERY="sshd apache dhcpd named ntpd nscd postfix slapd smbd atd crond smartd dovecot master mysqld"
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# List of network ports which could be autodiscovered during installation
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AUTO_NETSERVICE_DISCOVERY="21 22 25 80 443 123 8080"
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#
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# Do not modify lines below
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#
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VERSION="0.1"
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LINES=0
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TMPDIR="/tmp"
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STATS_DIR="/var/cache/motds32"
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COLL_MEM="$TMPDIR/.motds32_mem_$$"
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COLL_DISK="$TMPDIR/.motds32_disk_$$"
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COLL_PROC="$TMPDIR/.motds32_proc_$$"
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COLL_WALL="$TMPDIR/.motdstat_wall_$$"
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COLL_EMPTY="$TMPDIR/.motds32_empty_$$"
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# Set default VARIABLES
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function set_default_values() {
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DISK_USAGE_WARNING=80
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DISK_USAGE_CRITICAL=90
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SWAP_USAGE_WARNING=10
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SWAP_USAGE_CRITICAL=30
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CPU_WARNING=90
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CPU_CRITICAL=100
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MAX_ROWS_LIMIT=15
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MAILQ_WARNING=0
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CHECK_NTP="NO"
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ENABLE_SYSLOG="NO"
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NTP_PROBLEM_EXEC=""
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LOAD_TRESHOLD_EXEC=""
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SWAP_TRESHOLD_EXEC=""
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DISK_TRESHOLD_EXEC=""
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}
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# Clean temporary files
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test -e $COLL_EMPTY && rm -f $COLL_EMPTY
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# Make a copy of original MOTD file if exits
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if [ ! -e "${MOTD}.orig" ]; then
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test -e ${MOTD} && cp $MOTD ${MOTD}.orig || touch ${MOTD}.orig
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fi
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#
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# Generate stats data
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#
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## not use yet
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function stats_data() {
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#make stats file in the good directory
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$MOTD32 > $PRG32/Stats32.txt
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}
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#$stats_data
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#$MOTD32 > $PRG32/Stats32.txt
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#
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# Append message to the report (and to syslog if enabled)
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#
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function report() {
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REPORT=$REPORT"${1}\n"
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test $ENABLE_SYSLOG = "YES" && logger -t motds32 -- "${1}"
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}
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#
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# Colored text
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#
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function red () {
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echo -e "\e[1;31m$1\e[0;39m"
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}
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function green () {
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echo -e "\e[1;32m$1\e[0;39m"
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}
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function yellow () {
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echo -e "\e[1;33m$1\e[0;39m"
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}
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function bold () {
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echo -e "\033[1m$1\033[0m"
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}
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# Trim the line to 24 , (32 is better) characters
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function normalize() {
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LENGTH=$(echo $PART | wc -c)
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if [ $LENGTH -gt 32 ]; then
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CUT=$(echo $PART | sed -e 's/^\(.......\).*\(.............\)/\1...\2/')
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PART=$CUT
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fi
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}
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#
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# Generate list of the most used processess
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#
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function gen_process_list() {
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local PROCESS
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local PGREP
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echo "Generating \"process\" configuration file to ${PROCESS_LIST} from autodiscovery"
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# Generate process file header
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echo "#" > ${PROCESS_LIST}
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echo "# List of processes that MUST be running" >> ${PROCESS_LIST}
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echo "#" >> ${PROCESS_LIST}
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echo "# (The following processes where found through autodiscovery)" >> ${PROCESS_LIST}
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test $(which pgrep 2>/dev/null >/dev/null && echo OK || echo NOK) != "OK" && return
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for PROCESS in ${AUTO_PROCESS_DISCOVERY}; do
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pgrep -x ${PROCESS} > /dev/null
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PGREP=$?
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test ${PGREP} -eq 0 && echo ${PROCESS} >> ${PROCESS_LIST}
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done
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}
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#
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# Generate netservice list
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#
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function gen_netservice_list() {
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local NETSTAT
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local ENTRY
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local RESULT
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echo "Generating \"netservice\" configuration file to ${NETSERVICE_LIST} from autodiscovery"
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# Generate process file header
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echo "#" > ${NETSERVICE_LIST}
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echo "# List of local network services that MUST be running" >> ${NETSERVICE_LIST}
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echo "#" >> ${NETSERVICE_LIST}
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echo "# (The following processes where found through autodiscovery)" >> ${NETSERVICE_LIST}
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echo "# PROTOCOL IP_ADDRESS:PORT PROCESS NAME" >> ${NETSERVICE_LIST}
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test $(which netstat 2>/dev/null >/dev/null && echo OK || echo NOK) != "OK" && return
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NETSTAT=$(netstat -nlp | egrep "^tcp *|^udp *" | sed -e 's/[0-9]*\///' | sed -e 's/LISTEN//' | sed -e 's/: .*$//' | awk '{printf "%-13s%-30s %s\n", $1, $4, $6}')
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for ENTRY in ${AUTO_NETSERVICE_DISCOVERY}; do
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RESULT=$(echo "${NETSTAT}" | egrep ":${ENTRY} *")
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test -n "${RESULT}" && echo "${RESULT}" >> ${NETSERVICE_LIST}
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done
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}
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# Process status
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function checkprocess {
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test ! -f ${PROCESS_LIST} && gen_process_list
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if [ -s ${PROCESS_LIST} ]; then
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for PROC in $(egrep -v "^#|^$" ${PROCESS_LIST}); do
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PROCES=$(ps ax | grep "$PROC" | grep -v "grep" | grep -vc "checkclient")
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if [ $PROCES -gt 0 ]; then
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if [ $PROCES -eq 1 ]; then
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green "$PROC" >> $COLL_PROC
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else
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#green "$PROC ($PROCES)" | awk '{printf("%-26s %4s\n", $1, $2)}' >> $COLL_PROC
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green "$PROC ($PROCES)" | awk '{printf("%-27s %4s\n", $1, $2)}' >> $COLL_PROC
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fi
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else
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report "CRITICAL: Process \"${PROC}\" is not running"
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#red "$PROC is not running" >> $COLL_PROC
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red "$(printf "%-9.9s is not running" $PROC)" >> $COLL_PROC
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NOT_RUNNING=1
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fi
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done
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fi
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cp $COLL_PROC ${COLL_PROC}.tmp
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test -n "$NOT_RUNNING" && red " Service status " > $COLL_PROC || green " Service status " > $COLL_PROC
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cat ${COLL_PROC}.tmp >> $COLL_PROC
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}
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# Memory status
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function memory() {
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bold "Memory used kB [%]" > $COLL_MEM
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MEMTOTAL=$(grep "MemTotal" /proc/meminfo | awk '{print $2}')
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MEMFREE=$(grep "MemFree" /proc/meminfo | awk '{print $2}')
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SWAPTOTAL=$(grep "SwapTotal" /proc/meminfo | awk '{print $2}')
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SWAPFREE=$(grep "SwapFree" /proc/meminfo | awk '{print $2}')
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PERCENTOM=$(echo $MEMFREE $MEMTOTAL | awk '{printf("%d", ($2-$1)/$2*100)}')
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test $SWAPTOTAL -eq 0 && PERCENTOS=0 || PERCENTOS=$(echo $SWAPFREE $SWAPTOTAL | awk '{printf("%d", ($2-$1)/$2*100)}')
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SWAP=$(printf "Swap: %13d %3d%%\n" $(($SWAPTOTAL-$SWAPFREE)) $PERCENTOS)
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# MEMORY USAGE
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printf "Memory: %11d %3d%%\n" $(($MEMTOTAL-$MEMFREE)) $PERCENTOM >> $COLL_MEM
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if [ $PERCENTOS -ge $SWAP_USAGE_CRITICAL ] || [ $SWAPTOTAL -eq 0 ]; then
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red "$SWAP" >> $COLL_MEM
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CR_MEM=1
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report "WARNING: usage of the SWAP space is more than ${SWAP_USAGE_CRITICAL}%"
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# Execute custom command
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if [ -n "${SWAP_TRESHOLD_EXEC}" ]; then
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report "WARNING: executing command: \"$SWAP_TRESHOLD_EXEC\""
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report "--->%---"
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report "$(eval ${SWAP_TRESHOLD_EXEC} 2>&1)"
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report "--->%---"
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fi
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else
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if [ $PERCENTOS -ge $SWAP_USAGE_WARNING ] && [ $PERCENTOS -lt $SWAP_USAGE_CRITICAL ]; then
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yellow "$SWAP" >> $COLL_MEM
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WR_MEM=1
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report "CRITICAL: usage of the SWAP space is more than ${SWAP_USAGE_WARNING}%"
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# Execute custom command
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if [ -n "${SWAP_TRESHOLD_EXEC}" ]; then
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report "CRITICAL: executing command: \"$SWAP_TRESHOLD_EXEC\""
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report "--->%---"
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report "$(eval ${SWAP_TRESHOLD_EXEC} 2>&1)"
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report "--->%---"
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fi
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else
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echo "$SWAP" >> $COLL_MEM
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fi
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fi
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grep Buffer /proc/meminfo | awk '{printf("%-10s %8s \n",$1,$2)}' >> $COLL_MEM
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grep "^Cached" /proc/meminfo | awk '{printf("%-10s %8s \n",$1,$2)}' >> $COLL_MEM
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cp $COLL_MEM ${COLL_MEM}.tmp
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green " Memory status " > $COLL_MEM
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test -n "$CR_MEM" && red " Memory status " > $COLL_MEM
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test -n "$WR_MEM" && yellow " Memory status " > $COLL_MEM
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cat ${COLL_MEM}.tmp >> $COLL_MEM
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}
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# Disk status
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function disk() {
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STATUS_DISK=$(egrep -v "^#|^ *#" /etc/motds32/fstab_limits)
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IFS=$'\n'
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for DEVICE in $STATUS_DISK
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do
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# Read Mount Point path and limits
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MP=$(echo "${DEVICE}" | awk {'print $1'})
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MP_USAGE_WARNING=$(echo "${DEVICE}" | awk {'print $2'})
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MP_USAGE_CRITICAL=$(echo "${DEVICE}" | awk {'print $3'})
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# If Warning and Critical limit are not set to GLOBAL defaults
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test -z ${MP_USAGE_WARNING} && MP_USAGE_WARNING=$DISK_USAGE_WARNING
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test -z ${MP_USAGE_CRITICAL} && MP_USAGE_CRITICAL=$DISK_USAGE_CRITICAL
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# Fixed problems with long device names and new line
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PART_RESULT=$(df -h "${MP}" 2>/dev/null)
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DF_RESULT=$?
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# Check if the partition exists
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if [ ${DF_RESULT} -eq 0 ]; then
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PART=$(echo "${PART_RESULT}" | grep '\/' | tr -d '\n' | awk '{printf("%-13s %5s %4s\n",$6,$4,$5)}' | tr -d '%')
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normalize
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USAGE=$(echo $PART | awk '{print $3}')
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PARTITION=$(echo $PART | awk '{print $1}')
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if [ $USAGE -ge $MP_USAGE_WARNING ] && [ $USAGE -lt $MP_USAGE_CRITICAL ]; then
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yellow "${PART}%" >> $COLL_DISK && WR_NOTICE=1
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report "WARNING: usage of $PARTITION partition is ${USAGE}% and limit is ${MP_USAGE_WARNING}%"
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# Execute custom command
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if [ -n "${DISK_TRESHOLD_EXEC}" ]; then
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report "WARNING: executing command: \"$DISK_TRESHOLD_EXEC\""
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report "--->%---"
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report "$(eval ${DISK_TRESHOLD_EXEC} 2>&1)"
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report "--->%---"
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fi
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continue
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fi
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if [ $USAGE -ge $MP_USAGE_CRITICAL ]; then
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red "${PART}%" >> $COLL_DISK && CR_NOTICE=1
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report "CRITICAL: usage of $PARTITION partition is ${USAGE}% and limit is ${MP_USAGE_CRITICAL}%"
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# Execute custom command
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if [ -n "${DISK_TRESHOLD_EXEC}" ]; then
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report "CRITICAL: executing command: \"$DISK_TRESHOLD_EXEC\""
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report "--->%---"
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report "$(eval ${DISK_TRESHOLD_EXEC} 2>&1)"
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report "--->%---"
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fi
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fi
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test $USAGE -lt $MP_USAGE_WARNING && echo "${PART}%" >> $COLL_DISK
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else
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red "$(printf "%-13.13s NotMounted" ${MP})" >> $COLL_DISK && CR_NOTICE=1
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report "CRITICAL: mount point $MP is not mounted"
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fi
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done
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unset IFS
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cat $COLL_DISK | sort -k 3 -nr > ${COLL_DISK}.tmp
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green " Disk status " > $COLL_DISK
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test -n "$CR_NOTICE" && red " Disk status " > $COLL_DISK
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test -n "$WR_NOTICE" && yellow " Disk status " > $COLL_DISK
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bold "partition free usg" >> $COLL_DISK
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cat ${COLL_DISK}.tmp >> $COLL_DISK
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}
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function getmaxrow () {
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DISK_NUM=$(wc -l $COLL_DISK | awk '{print $1}')
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test $DISK_NUM -gt $LINES && LINES=$DISK_NUM
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MEM_NUM=$(wc -l $COLL_MEM | awk '{print $1}')
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test $MEM_NUM -gt $LINES && LINES=$MEM_NUM
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PROC_NUM=$(wc -l $COLL_PROC | awk '{print $1}')
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test $PROC_NUM -gt $LINES && LINES=$PROC_NUM
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}
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# Join 3 cols together
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function join () {
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getmaxrow
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MEM_NUM=$(($MEM_NUM + 1))
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DISK_NUM=$(($DISK_NUM + 1))
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test -e $COLL_EMPTY && rm -f $COLL_EMPTY
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for I in $(seq $DISK_NUM $LINES); do echo " " >> $COLL_DISK; done
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for I in $(seq $MEM_NUM $LINES); do echo " " >> $COLL_MEM; done
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for I in $(seq $LINES); do echo ' | ' >> $COLL_EMPTY; done
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for I in $(seq $LINES); do echo '|' >> $COLL_WALL; done
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}
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# Center text
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function echo_center {
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LENGTH=${#1}
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printf "%$(((80 - $LENGTH) / 2))s" ; echo "$1"
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}
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function echo_center2 {
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LENGTH=${#1}
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INDENT=`seq 1 $(((78 - $LENGTH) / 2)) | sed 's/.*/ /' | tr -d '\n'`
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printf "|%-78s|\n" "${INDENT}${1}"
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}
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function cat_center {
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LENGTH=${#1}
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printf "%$(((80 - $LENGTH) / 2))s" ; cat $1
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}
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#
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# Check listen services IP:Port
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#
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function checkservices {
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test ! -f ${NETSERVICE_LIST} && gen_netservice_list
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bold "service(s) (count)" > $COLL_PROC
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NETSTAT=$(netstat -nlp 2>/dev/null)
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if [ -e ${NETSERVICE_LIST} ]; then
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IFS=$'\n'
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LINE=$(grep -v "^#" ${NETSERVICE_LIST})
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for SERVICE in $LINE; do
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PROTO=$(echo $SERVICE | awk '{print $1}')
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SOCKET=$(echo $SERVICE | awk '{print $2}')
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PROCES=$(echo $SERVICE | awk '{print $3}')
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RESULT=$(echo "$NETSTAT" | egrep "^${PROTO}.*${SOCKET}")
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# First checking
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if [ -z "$RESULT" ]; then
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# DEBUG
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# echo $NETSTAT >> /tmp/.motds32_netstat_$$.tmp
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sleep 1
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NETSTAT=$(netstat -nlp 2>/dev/null)
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# Double checking for fake panic
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RESULT=$(echo "$NETSTAT" | egrep "^${PROTO}.*${SOCKET}")
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if [ -z "$RESULT" ]; then
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# red "${PROTO}/${SOCKET}" >> $COLL_PROC
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red "$(printf "%-24.24s" ${PROTO}/${SOCKET})" >> $COLL_PROC
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NOT_RUNNING=1
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report "CRITICAL: Service \"$PROCES\" not running at socket ${PROTO}/${SOCKET}"
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else
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green "$(printf "%-24.24s" ${PROTO}/${SOCKET})" >> $COLL_PROC
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#green "${PROTO}/${SOCKET}" >> $COLL_PROC
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fi
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else
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#green "${PROTO}/${SOCKET}" >> $COLL_PROC
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green "$(printf "%-24.24s" ${PROTO}/${SOCKET})" >> $COLL_PROC
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fi
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done
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unset IFS
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fi
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}
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function load {
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NUM_OF_CPU=$(grep -i processor /proc/cpuinfo | wc -l)
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LOAD_5MIN=$(awk '{printf $2}' < /proc/loadavg)
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LOAD_PERCENT=$(echo $LOAD_5MIN $NUM_OF_CPU |awk '{printf "%2.f", $1*100/$2}')
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LOAD_REPORT="5min load is $LOAD_5MIN on $NUM_OF_CPU cpu(s)"
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if [ $LOAD_PERCENT -gt $CPU_WARNING ] && [ $LOAD_PERCENT -lt $CPU_CRITICAL ]; then
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report "WARNING: System load ${LOAD_5MIN} on $NUM_OF_CPU cpu(s)"
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# Execute custom command
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if [ -n "${LOAD_TRESHOLD_EXEC}" ]; then
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report "WARNING: executing command: \"$LOAD_TRESHOLD_EXEC\""
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report "--->%---"
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report "$(eval ${LOAD_TRESHOLD_EXEC} 2>&1)"
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report "--->%---"
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fi
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return
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fi
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if [ $LOAD_PERCENT -gt $CPU_CRITICAL ]; then
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report "CRITICAL: system load ${LOAD_5MIN} on $NUM_OF_CPU cpu(s)"
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# Execute custom command
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if [ -n "${LOAD_TRESHOLD_EXEC}" ]; then
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report "CRITICAL: executing command: \"$LOAD_TRESHOLD_EXEC\""
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report "--->%---"
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report "$(eval ${LOAD_TRESHOLD_EXEC} 2>&1)"
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report "--->%---"
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fi
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fi
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}
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#
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# Notify when too much e-mails in mailq
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# if MAILQ_WARNING=0 skip this test
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#
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function check_mailq {
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test $MAILQ_WARNING -eq 0 && return
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# Check if mail command is present in $PATH
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if [ $(which mailq 2>/dev/null >/dev/null && echo OK || echo NOK) != "OK" ]; then
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echo "WARNING: unable to find mailq command in \$PATH"
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return
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fi
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MAILQ=$(mailq | tail -n 1 | grep -i requests | awk '{print $5}')
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if [ -n "$MAILQ" ]; then
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if [ $MAILQ -gt $MAILQ_WARNING ]; then
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# REPORT=$REPORT"WARNING: mail queue size warning $MAILQ > $MAILQ_WARNING\n"
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report "WARNING: mail queue size warning $MAILQ > $MAILQ_WARNING"
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fi
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fi
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}
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# Check NTP status
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function check_ntp() {
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test $CHECK_NTP != "YES" && NTPSTATUS=" " && return
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if [ $(which ntpq 2>/dev/null >/dev/null && echo OK || echo NOK) != "OK" ]; then
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echo "WARNING: unable to find ntpq command in \$PATH"
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return
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fi
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NTP=$(ntpq -p 2>/dev/null | egrep -v '===|remote|^ ' | sed -e 's/^\(.\).*/\1/' | tr -d '\n')
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if [ $(echo "$NTP" | grep -c '\*') -eq 0 ]; then
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test -z "$NTP" && NTPSTATUS=$(red "x") || NTPSTATUS=$(red "$NTP")
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report "WARNING: NTP synchronization lost"
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if [ -n "${NTP_PROBLEM_EXEC}" ]; then
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report "WARNING: executing command: \"$NTP_PROBLEM_EXEC\""
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report "--->%---"
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report "$($NTP_PROBLEM_EXEC 2>&1)"
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report "--->%---"
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fi
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else
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NTPSTATUS=$(green "$NTP")
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fi
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}
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#
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# Generate mount point table usage limits from /etc/fstab file
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# If Warning or Critical mimits are not set user GLOBAL settings
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#
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function gen_mount_point_table() {
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if [ ! -e ${PARTITION_TABLE} ]; then
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# Exclude list : '#' comments and blacklisted filesystems
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FSTAB=$(egrep -v '^#|^ .*#|[[:space:]]proc[[:space:]]|[[:space:]]debugfs[[:space:]]|[[:space:]]swap[[:space:]]|[[:space:]]devpts[[:space:]]|[[:space:]]sysfs[[:space:]]|[[:space:]]tmpfs[[:space:]]' < /etc/fstab | awk '{print($2)}')
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# Generate header
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echo "# Mount point usage limit Warn [%] Critical [%]" > ${PARTITION_TABLE}
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for PARTITION in $FSTAB; do
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printf "%-28s %s %s\n" ${PARTITION} ${DISK_USAGE_WARNING} ${DISK_USAGE_CRITICAL} >> ${PARTITION_TABLE}
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done
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fi
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}
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#
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# Main program
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#
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# Read the configuration file
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if [ -e $CONFIGFILE ]; then
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set_default_values
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. $CONFIGFILE
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else
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echo "Error: configuration file $CONFIGFILE not found"
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exit 1
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fi
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|
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# display usage
|
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function usage {
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echo "Usage: motds32 OPTIONS"
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|
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echo " -g, --generate Check system status and generate it to $MOTD file"
|
|
echo " -s, --status Show limited content of MOTD file"
|
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echo " -v, --version Display information about motds32 version and author"
|
|
echo " -m, --MOTDs32 See MOTD file now!"
|
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exit 0
|
|
}
|
|
|
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case $1 in
|
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-g|--generate)
|
|
;;
|
|
-s|--status)
|
|
test -e $MOTD && cat $MOTD
|
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exit 0
|
|
;;
|
|
-v|--version)
|
|
echo "motds32 Version: $VERSION"
|
|
echo "Original project: Krigler Pavol, modstat"
|
|
echo "MOTDs32: by Erreur32"
|
|
exit 0
|
|
;;
|
|
-m|--MOTDs32)
|
|
echo "Read motds32 file"
|
|
cat /etc/motd
|
|
exit 0
|
|
;;
|
|
*)
|
|
usage
|
|
;;
|
|
esac
|
|
|
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# Generate mount point table usage limits from /etc/fstab file
|
|
gen_mount_point_table
|
|
|
|
# Create e-mail REPORT header
|
|
REPORT="MOTDs32 System report\n==================\nHost: ${HOSTNAME}\nDate: $(date)\n(to set this report alarm in /etc/motds32/motds32.conf)\n"
|
|
|
|
# Get disk statistics
|
|
disk
|
|
|
|
# Get memorty statistics
|
|
memory
|
|
|
|
# Check local network service
|
|
checkservices
|
|
|
|
# Check local running processes
|
|
checkprocess
|
|
|
|
# Join all output to multiple columns
|
|
join
|
|
|
|
# Check the mailq
|
|
check_mailq
|
|
|
|
# Check NTP status
|
|
check_ntp
|
|
|
|
# Create MOTD system status header
|
|
load
|
|
|
|
|
|
|
|
# clean terminal when load MOTDs32
|
|
echo -en "\ec" > $MOTD
|
|
|
|
echo_center "${HOSTNAME}${NTPSTATUS} > status at $(date +"%R") > ${LOAD_REPORT}" bold >> $MOTD
|
|
|
|
echo >> $MOTD
|
|
|
|
paste -d "" $COLL_DISK $COLL_EMPTY $COLL_MEM $COLL_EMPTY $COLL_PROC | head -n $MAX_ROWS_LIMIT >> $MOTD
|
|
#paste -d "" $COLL_DISK $COLL_EMPTY $COLL_MEM $COLL_EMPTY $COLL_PROC >> $MOTD
|
|
if [[ $EUID -ne 0 ]]; then
|
|
echo "MOTD available only with root" 1>&2
|
|
else
|
|
cat /etc/motds32/Stats32.txt >> $MOTD
|
|
# /bin/bash /etc/motds32/Stats32 > /etc/motds32/Stats32.txt
|
|
# echo -e "\n Generating Stats file" 1>&2
|
|
fi
|
|
|
|
# Full report
|
|
#paste -d "" $COLL_DISK $COLL_EMPTY $COLL_MEM $COLL_EMPTY $COLL_PROC > $MOTD.full
|
|
|
|
echo >> $MOTD
|
|
|
|
# Append original MOTD from /etc/motd.orig file if exists
|
|
if [ -s ${MOTD}.orig ]; then
|
|
# echo_center "--- Message Of The Day --- (from /etc/motd.orig file) ---" >> $MOTD
|
|
# echo >> $MOTD
|
|
cat ${MOTD}.orig >> $MOTD
|
|
fi
|
|
|
|
# Create statistics directory
|
|
test ! -e $STATS_DIR && mkdir -p $STATS_DIR
|
|
|
|
# Check if server has rebooted (current uptime < stored uptime
|
|
if [ -s $STATS_DIR/uptime ]; then
|
|
if [ $(cut -d '.' -f 1 < /proc/uptime) -lt $(cat $STATS_DIR/uptime) ]; then
|
|
report "CRITICAL: System has rebooted."
|
|
fi
|
|
fi
|
|
|
|
# Update uptime statistics
|
|
test -e /proc/uptime && cut -d '.' -f 1 < /proc/uptime > $STATS_DIR/uptime
|
|
|
|
|
|
|
|
# Removing temporary files
|
|
rm -f ${COLL_PROC} ${COLL_PROC}.tmp
|
|
rm -f ${COLL_MEM} ${COLL_MEM}.tmp
|
|
rm -f ${COLL_DISK} ${COLL_DISK}.tmp
|
|
rm -f ${COLL_EMPTY}
|
|
rm -f ${COLL_WALL}
|
|
|
|
if [ ! -z "$EMAIL" ]; then
|
|
|
|
# Check if mail command is present in $PATH
|
|
if [ $(which mail 2>/dev/null >/dev/null && echo OK || echo NOK) != "OK" ]; then
|
|
echo "WARNING: unable to find mail command in \$PATH"
|
|
else
|
|
if [ ! -z "$(echo -e "$REPORT" | egrep -i "warning:|critical:")" ]; then
|
|
echo -e "$REPORT" | mail "$EMAIL" -s "MOTDs32 alert"
|
|
fi
|
|
fi
|
|
fi
|