admin / Synapse-Sonar

#!/usr/bin/env bash
# Install the Synapse Sonar passive sensor on Debian / Ubuntu.
# Run this on a host attached to a SPAN / mirror port.
# Usage: sudo ./install.sh
set -euo pipefail

if [ "$(id -u)" -ne 0 ]; then
  echo "Please run as root (sudo ./install.sh)" >&2
  exit 1
fi

SRC="$(cd "$(dirname "$0")" && pwd)"

echo "==> Ensuring dependencies (python3)"
if command -v apt-get >/dev/null 2>&1; then
  apt-get update -qq
  apt-get install -y -qq python3
fi

echo "==> Installing sensor to /opt/sonar-sensor"
install -d /opt/sonar-sensor
install -m 0755 "$SRC/sonar-sensor.py" /opt/sonar-sensor/sonar-sensor.py

echo "==> Installing config to /etc/sonar-sensor"
install -d /etc/sonar-sensor
if [ ! -f /etc/sonar-sensor/sonar-sensor.env ]; then
  install -m 0640 "$SRC/sonar-sensor.env.example" /etc/sonar-sensor/sonar-sensor.env
  echo "    -> created /etc/sonar-sensor/sonar-sensor.env (EDIT THIS before starting)"
else
  echo "    -> /etc/sonar-sensor/sonar-sensor.env already exists, leaving as-is"
fi

echo "==> Installing systemd unit"
install -m 0644 "$SRC/sonar-sensor.service" /etc/systemd/system/sonar-sensor.service
systemctl daemon-reload

echo
echo "Done. Next steps:"
echo "  1. Edit /etc/sonar-sensor/sonar-sensor.env (SONAR_URL, SONAR_INGEST_KEY, SONAR_IFACE)"
echo "  2. sudo systemctl enable --now sonar-sensor"
echo "  3. journalctl -u sonar-sensor -f"