#!/bin/bash
# check sssd offline messages
export PATH="/usr/sbin/:$PATH"

pid_file=/var/run/chk_sssd_offline.pid
exec 9>> ${pid_file}

flock -n 9
if [[ $? -ne 0 ]] ; then
    echo "${pid_file} locked, other process running"
    exit 1
fi

curdate=$(date "+%Y-%m-%d %H:%M:")
back5min=$(date "+%Y-%m-%d %H:%M:" --date "5 minutes ago")
npcurdate=$(date "+%Y-%m-%d %_H:%M:")
npback5min=$(date "+%Y-%m-%d %_H:%M:" --date "5 minutes ago")


localhostline_num=$(awk -F - '$0 >= "'"(${npback5min}"'" &&  $0 < "'"(${npcurdate}"'" {print $0}'  /var/log/sssd/sssd_localhost.log | grep -i "SSSD is offline" | wc -l)
line_num=$(awk -F - '$0 >= "'"(${npback5min}"'" &&  $0 < "'"(${npcurdate}"'" {print $0}'  /var/log/sssd/sssd.log | grep -i "SSSD is offline" | wc -l)
pamlogline_num=$(awk -F - '$0 >= "'"(${npback5min}"'" &&  $0 < "'"(${npcurdate}"'" {print $0}'  /var/log/sssd/sssd_pam.log | grep -i "SSSD is offline" | wc -l)
nsslogline_num=$(awk -F - '$0 >= "'"(${npback5min}"'" &&  $0 < "'"(${npcurdate}"'" {print $0}'  /var/log/sssd/sssd_nss.log | grep -i "SSSD is offline" | wc -l)

if [[ ${localhostline_num} > 0  ]] || [[ ${line_num} > 0  ]] || [[ ${pamlogline_num} > 0  ]] || [[ ${nsslogline_num} > 0  ]] ; then
    echo "detect sssd_ is offline messages, count sssd.log:${line_num} sssd_localhost.log:${localhostline_num} sssd_pam.log:${pamlogline_num} sssd_nss.log:${nsslogline_num}, restart sssd"
    timeout 30 systemctl restart sssd
fi

flock -u 9
exit 0