130 lines
3.9 KiB
Django/Jinja
Executable File
130 lines
3.9 KiB
Django/Jinja
Executable File
#!/bin/sh
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# Script writen by Daniel Jakots for BGP, adapted by Jeremy Dubois for OSPF
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# First we go through the list of neighbor and we write all the peer and
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# their status in "${_TMPDIR}"/ospf6-status.
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# Then we monitor if this file has changed between now and the previous run.
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# If it did, we send a mail with the states of the different sessions.
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set -u
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PATH=$HOME/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:.
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_MAILTO="{{ ospf_mailto }}"
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_TMPDIR=/tmp/check-ospf6
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_PIDFILE="${_TMPDIR}"/ospf6d-check-peers.pid
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if [ -e /etc/realname ]; then
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_REALNAME=$(cat /etc/realname)
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_HOSTNAME=$(hostname -s)
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else
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_HOSTNAME=$(hostname)
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fi
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mkdir -p "${_TMPDIR}"
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# Don't try to run if it's already running
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if [ -e "${_PIDFILE}" ]; then
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echo "$(date)" >> "${_TMPDIR}"/log
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exit 1
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else
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echo $$ >> "${_PIDFILE}"
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fi
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# Create an history
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if [[ -f "${_TMPDIR}"/ospf6-status ]] ; then
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mv "${_TMPDIR}"/ospf6-status "${_TMPDIR}"/ospf6-status.old
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else
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touch "${_TMPDIR}"/ospf6-status
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touch "${_TMPDIR}"/ospf6-status.old
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fi
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# List peers and loops on them to list them and their OSPF6 state
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ospf6ctl show neighbor | grep -v "^$" | grep -v "Uptime" | awk {'print $1'} > "${_TMPDIR}"/peers-list
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while read -r _PEER
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do
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_STATUS=$(/usr/sbin/ospf6ctl show neighbor | grep "${_PEER} " | awk {'print $3'})
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echo -n "${_PEER}" >> "${_TMPDIR}"/ospf6-status
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echo -n " " >> "${_TMPDIR}"/ospf6-status
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if ([[ "${_STATUS}" = "FULL/BCKUP" ]] || [[ "${_STATUS}" = "FULL/DR" ]] || [[ "${_STATUS}" = "2-WAY/OTHER" ]] || [[ "${_STATUS}" = "FULL/OTHER" ]]) ; then
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_STATUS="UP"
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else
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_STATUS="DOWN"
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fi
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echo "${_STATUS}" >> "${_TMPDIR}"/ospf6-status
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done <"${_TMPDIR}"/peers-list
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# Check for difference with previous run
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different=$(diff -q "${_TMPDIR}"/ospf6-status.old "${_TMPDIR}"/ospf6-status)
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if ! [[ -n "${different}" ]] ; then
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rm -f "${_PIDFILE}"
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exit 0
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fi
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# It changed so we're going to send a mail
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_TMPMAILDIR="${_TMPDIR}"/mail
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mkdir -p "${_TMPMAILDIR}"
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# go through sessions and list them depending on their OSPF6 state
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echo "*** Session(s) OK ***\n" >> "${_TMPMAILDIR}"/bodyok
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while read -r _LINE
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do
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# _LINE is session + status
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_STATUS=$(echo "${_LINE}" | awk {'print $2'})
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_SESSION=$(echo "${_LINE}" | awk {'print $1'})
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if [[ "${_STATUS}" = "UP" ]] ; then
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ospf6ctl show neighbor | grep "${_SESSION} " {{ ospf_sed_command }} >> "${_TMPMAILDIR}"/bodyok
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else
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ospf6ctl show neighbor | grep "${_SESSION} " {{ ospf_sed_command }} >> "${_TMPMAILDIR}"/bodynok
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fi
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done <"${_TMPDIR}"/ospf6-status
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# create the mail body
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echo "Dear NOC,\n\nThe state of one or more OSPF6 session(s) has changed:\n" > "${_TMPMAILDIR}"/header
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cat "${_TMPMAILDIR}"/header "${_TMPMAILDIR}"/bodyok > "${_TMPMAILDIR}"/body
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_STATE="OK"
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if [[ -f "${_TMPMAILDIR}"/bodynok ]] ; then
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_STATE="NOT OK"
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echo "\n*** Session(s) on error ***\n" >> "${_TMPMAILDIR}"/body
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cat "${_TMPMAILDIR}"/bodynok >> "${_TMPMAILDIR}"/body
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fi
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# Add some infos
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echo "\n\n*** Known OSPF routes ***\n" >> "${_TMPMAILDIR}"/body
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ospf6ctl show fib ospf >> "${_TMPMAILDIR}"/body
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echo "\n\n*** OSPF interfaces state ***\n" >> "${_TMPMAILDIR}"/body
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ospf6ctl show interfaces >> "${_TMPMAILDIR}"/body
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echo "\n\n*** Network used memory ***\n" >> "${_TMPMAILDIR}"/body
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netstat -m >> "${_TMPMAILDIR}"/body
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echo "\n\n*** Server load ***\n" >> "${_TMPMAILDIR}"/body
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w >> "${_TMPMAILDIR}"/body
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echo "\n\n*** Processes ***\n" >> "${_TMPMAILDIR}"/body
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top >> "${_TMPMAILDIR}"/body
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# Send the mail whether we have a realname or not
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if [ -n "${_REALNAME}" ]; then
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cat "${_TMPMAILDIR}"/body | mail -s "[OSPF6] ${_REALNAME} (${_HOSTNAME}) - State change - ${_STATE}" "${_MAILTO}"
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else
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cat "${_TMPMAILDIR}"/body | mail -s "[OSPF6] ${_HOSTNAME} - State change - ${_STATE}" "${_MAILTO}"
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fi
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# cleaning
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if [[ -d "${_TMPMAILDIR}" ]] ; then
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rm -rf "${_TMPMAILDIR}"
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fi
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rm -f "${_PIDFILE}"
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