­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ #!/bin/bash SSSD_LOG="/var/log/sssd/sssd.log" LOG_FILE="/var/log/sssd_watchdog_monitor.log" LOCK_FILE="/var/run/sssd_watchdog_monitor.lock" MIN_RESTART_INTERVAL=60 log_message() { echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" >> "$LOG_FILE" } check_recent_restart() { if [ ! -f "$LOG_FILE" ]; then return 1 fi local last_restart=$(tail -100 "$LOG_FILE" | grep "SSSD service restarted successfully" | tail -1 | awk '{print $1, $2}') if [ -z "$last_restart" ]; then return 1 fi local last_restart_epoch=$(date -d "$last_restart" +%s 2>/dev/null || date -j -f "%Y-%m-%d %H:%M:%S" "$last_restart" +%s 2>/dev/null) if [ -z "$last_restart_epoch" ]; then return 1 fi local current_epoch=$(date +%s) local time_diff=$((current_epoch - last_restart_epoch)) if [ $time_diff -lt $MIN_RESTART_INTERVAL ]; then log_message "Skipping restart. Service was restarted $time_diff seconds ago (minimum: $MIN_RESTART_INTERVAL)" return 0 fi return 1 } check_watchdog_error() { if [ ! -f "$SSSD_LOG" ]; then log_message "ERROR: SSSD log file not found at $SSSD_LOG" return 1 fi if tail -n 500 "$SSSD_LOG" | grep -q "was terminated by own WATCHDOG"; then return 0 fi return 1 } restart_sssd() { log_message "WATCHDOG termination detected. Restarting SSSD service..." local restart_cmd="service sssd restart" if [ -f /usr/bin/systemctl ]; then restart_cmd="systemctl restart sssd" fi if $restart_cmd; then log_message "SSSD service restarted successfully" sed -i '/was terminated by own WATCHDOG/d' "$SSSD_LOG" else log_message "ERROR: Failed to restart SSSD service" return 1 fi } if [ -f "$LOCK_FILE" ]; then PID=$(cat "$LOCK_FILE") if ps -p "$PID" > /dev/null 2>&1; then log_message "Another instance is already running (PID: $PID). Exiting." exit 0 else rm -f "$LOCK_FILE" fi fi echo $$ > "$LOCK_FILE" trap "rm -f $LOCK_FILE; exit" INT TERM EXIT if check_watchdog_error; then if ! check_recent_restart; then restart_sssd fi fi