81 lines
2.3 KiB
Bash
81 lines
2.3 KiB
Bash
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#!/bin/bash
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# Finds the SSH private key under ./.vagrant and connects to
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# the Vagrant box, port forwarding localhost ports: 8443, 80, 443
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# Root check
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if [ "$EUID" -ne 0 ]; then
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echo "[ERROR]: Please run script as root"
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exit 1
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fi
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# Clean environment
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unset PRIVATE_KEY
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unset HOST_IP
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unset MATCH_PATTERN
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unset PKILL_ANSWER
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# Function to create the SSH tunnel
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function ssh_connect {
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printf "[INFO]: Starting new vagrant SSH tunnel on PID "
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sudo -u "$USER" ssh -fNT -i "$PRIVATE_KEY" \
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-L 8443:localhost:8443 \
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-L 80:localhost:80 \
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-L 443:localhost:443 \
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-o UserKnownHostsFile=/dev/null \
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-o StrictHostKeyChecking=no \
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vagrant@"$HOST_IP" 2>/dev/null
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sleep 2
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pgrep -f "$MATCH_PATTERN"
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}
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# Check for valid PRIVATE_KEY location
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PRIVATE_KEY="$(find .vagrant -name "private_key" 2>/dev/null)"
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if ! ssh-keygen -l -f "$PRIVATE_KEY" &>/dev/null; then
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echo "[ERROR]: The SSH key '$PRIVATE_KEY' is not valid. Is your virtual machine running?"
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exit 1
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fi
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echo "[CHECK]: Valid key at $PRIVATE_KEY"
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# Grab first IP or use whatever HOST_IP_FIELD is set to and check that the guest is up
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HOST_IP="$(vagrant ssh -c "hostname -I | cut -d' ' -f${HOST_IP_FIELD:-1}" 2>/dev/null)"
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HOST_IP="${HOST_IP::-1}" # trim
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if ! ping -c 1 "$HOST_IP" &>/dev/null; then
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echo "[ERROR]: Cannot ping the host IP '$HOST_IP'"
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exit 1
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fi
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echo "[CHECK]: Host at $HOST_IP is up"
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# Pattern for matching processes running
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MATCH_PATTERN="ssh -fNT -i ${PRIVATE_KEY}.*vagrant@"
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# Check amount of processes that match the pattern
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if [ "$(pgrep -afc "$MATCH_PATTERN")" -eq 0 ]; then
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ssh_connect
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else
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# Processes found, so prompt to kill remaining ones then start tunnel
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printf "\n[WARNING]: Found processes running:\n"
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pgrep -fa "$MATCH_PATTERN"
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printf '\n'
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read -rp "Would you like to kill these processes? [y/N] " PKILL_ANSWER
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echo
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case "$PKILL_ANSWER" in
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[yY])
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echo "[WARNING]: Killing old vagrant SSH tunnel(s): "
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pgrep -f "$MATCH_PATTERN" | tee >(xargs kill -15)
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echo
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if [ "$(pgrep -afc "$MATCH_PATTERN")" -eq 0 ]; then
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ssh_connect
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else
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echo "[ERROR]: Unable to kill processes:"
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pgrep -f "$MATCH_PATTERN"
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exit 1
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fi
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;;
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*)
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echo "[INFO]: Declined to kill existing processes"
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exit 0
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;;
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esac
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fi
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