netvm-reaper.sh: reap stale headless browsers

bin/netvm-reaper.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+# Reap stale headless browsers (no CDP activity for >4h)
+# Run via cron: */30 * * * * ~/Projects/NetVM/bin/netvm-reaper.sh
+for pid in $(pgrep -f "chromium.*--headless" 2>/dev/null); do
+  # Check if CDP port is still responding (find port from cmdline)
+  port=$(tr '\0' ' ' < /proc/$pid/cmdline 2>/dev/null | grep -oP 'remote-debugging-port=\K\d+' | head -1)
+  if [ -n "$port" ]; then
+    # Try to hit CDP (via netns if needed)
+    if ! timeout 5 bash -c "cat < /dev/null > /dev/tcp/127.0.0.1/$port" 2>/dev/null; then
+      echo "reaping dead browser pid $pid (port $port not responding)"
+      kill -TERM $pid 2>/dev/null
+    fi
+  fi
+  # Check age (kill if >12h old)
+  age=$(($(date +%s) - $(stat -c %Y /proc/$pid 2>/dev/null || echo 0)))
+  if [ "$age" -gt 43200 ]; then
+    echo "reaping old browser pid $pid (age ${age}s)"
+    kill -TERM $pid 2>/dev/null
+  fi
+done
+# Clean up old log files
+find /tmp -name "*-smoke.log" -mtime +7 -delete 2>/dev/null
+find /tmp -name "otp_*.py" -mtime +1 -delete 2>/dev/null
+find /tmp -name "check_*.py" -mtime +1 -delete 2>/dev/null