#!/bin/bash
# Status check for runaway process killer

echo "============================================"
echo "Runaway Process Killer - Status"
echo "============================================"
echo ""

echo "=== Services ==="
echo -n "earlyoom: "
systemctl is-active earlyoom 2>/dev/null || echo "not running"

echo -n "monit:    "
systemctl is-active monit 2>/dev/null || echo "not running"

echo ""
echo "=== Current System Load ==="
echo -n "CPU: "
top -bn1 | grep "Cpu(s)" | awk '{print $2 "% user, " $4 "% system"}'

echo -n "RAM: "
free -h | awk '/Mem:/ {printf "%s used / %s total (%.1f%% used)\n", $3, $2, $3/$2*100}'

echo -n "Swap: "
free -h | awk '/Swap:/ {if ($2 != "0B") printf "%s used / %s total\n", $3, $2; else print "disabled"}'

echo ""
echo "=== Configuration ==="
if [ -f /etc/monit/conf.d/cpu-killer ]; then
    CYCLES=$(grep "for.*cycles" /etc/monit/conf.d/cpu-killer | grep -oP '\d+(?= cycles)')
    echo "CPU threshold: ${CYCLES} minutes at 95%+"
else
    echo "CPU threshold: NOT CONFIGURED"
fi

if [ -f /etc/default/earlyoom ]; then
    RAM_PCT=$(grep -oP '(?<=-m )\d+' /etc/default/earlyoom)
    echo "RAM threshold: <${RAM_PCT}% free memory"
else
    echo "RAM threshold: NOT CONFIGURED"
fi

echo ""
echo "=== Recent Kill Events ==="
echo "CPU kills (last 24h):"
journalctl --since "24 hours ago" 2>/dev/null | grep "cpu-killer" | tail -3 || echo "  None"

echo ""
echo "RAM kills (last 24h):"
journalctl -u earlyoom --since "24 hours ago" 2>/dev/null | grep -E "SIGTERM|SIGKILL" | tail -3 || echo "  None"

echo ""