sirupsen · September 3, 2014 14:52 · Sep 3, 2014
diff --git a/resiliency.sh b/resiliency.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+if [[ -z $1 ]]; then
+  echo -e "\x1b[31mMust supply src + dest port"
+  exit 1
+fi
+
+echo -e "\x1b[32mForwarded port $2 --> $1\x1b[33m"
+sudo iptables -t nat -I OUTPUT -p tcp -o lo --dport $2 -j REDIRECT --to-ports $1
+
+read -e -p "Hit enter to kill port redirect.."
+
+echo "Killing iptables forward.."
+sudo iptables -t nat -D OUTPUT 1
+
+PID=$(ps aux | grep -i [r]ails | awk '{print $2}')
+FD=$(sudo lsof -p $PID | grep $2 | awk '{print $4}')
+
+if [[ -z $FD ]]; then
+  echo -e "\x1b[31mNo FD found"
+  exit 1
+fi
+
+echo "p close($FD)" | sudo gdb -p $PID