#!/bin/sh

echo "========================================="
echo "  Container Environment Test"
echo "========================================="

echo ""
echo "[1] Process Info"
echo "  PID: $$"
echo "  User: $(id)"
echo "  Home: $HOME"
echo "  Shell: $SHELL"

echo ""
echo "[2] Hostname"
echo "  $(hostname)"

echo ""
echo "[3] Process List"
ps aux 2>/dev/null || echo "  ps not available, using /proc"
echo "  PIDs in /proc:"
ls -d /proc/[0-9]* 2>/dev/null | head -20

echo ""
echo "[4] Network Interfaces"
ip addr 2>/dev/null || ifconfig 2>/dev/null || echo "  no network tools, reading /proc/net"
cat /proc/net/dev 2>/dev/null | head -5

echo ""
echo "[5] Mount Points"
mount 2>/dev/null || cat /proc/mounts 2>/dev/null | head -20

echo ""
echo "[6] Filesystem Root"
ls /

echo ""
echo "[7] Memory Limits"
cat /proc/meminfo 2>/dev/null | head -3

echo ""
echo "[8] Capabilities"
cat /proc/self/status 2>/dev/null | grep -i cap

echo ""
echo "[9] Seccomp Mode"
cat /proc/self/status 2>/dev/null | grep Seccomp

echo ""
echo "========================================="
echo "  Test Complete"
echo "========================================="