Add net_alerter: new device join alerts via Matrix to condo Pi

2026-03-24 20:29:24 -04:00
parent 06160b974a
commit d7cdd489ce
2 changed files with 235 additions and 0 deletions
@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+# Deploy net_alerter to condo Pi (10.0.0.0)
+# Usage: ./deploy.sh [access_token]
+
+set -euo pipefail
+
+PI_USER="pi"
+PI_HOST="10.0.0.0"
+PI_KEY="$HOME/.ssh/condo"
+REMOTE_DIR="/opt/net_alerter"
+SCRIPT="$(dirname "$0")/net_alerter.py"
+
+# Matrix access token — get fresh one if not passed
+if [[ -n "${1:-}" ]]; then
+  TOKEN="$1"
+else
+  echo "[*] Fetching Matrix access token..."
+  TOKEN=$(curl -s -X POST https://m.example.org/_matrix/client/v3/login \
+    -H "Content-Type: application/json" \
+    -d '{"type":"m.login.password","identifier":{"type":"m.id.user","user":"spectre"},"password":"spectre-cfe6b5f9dd10dd31a204e4a7"}' \
+    | python3 -c "import sys,json; print(json.load(sys.stdin)['access_token'])")
+fi
+
+echo "[*] Deploying to $PI_HOST..."
+
+ssh -i "$PI_KEY" -o StrictHostKeyChecking=no "$PI_USER@$PI_HOST" "
+  sudo mkdir -p $REMOTE_DIR
+  sudo chown \$USER: $REMOTE_DIR
+"
+
+scp -i "$PI_KEY" -o StrictHostKeyChecking=no "$SCRIPT" "$PI_USER@$PI_HOST:$REMOTE_DIR/net_alerter.py"
+
+ssh -i "$PI_KEY" -o StrictHostKeyChecking=no "$PI_USER@$PI_HOST" "
+  # Install nmap if missing
+  if ! command -v nmap &>/dev/null; then
+    sudo apt-get install -y nmap
+  fi
+
+  # Write env config
+  cat > $REMOTE_DIR/.env <<EOF
+MATRIX_HOMESERVER=https://m.example.org
+MATRIX_ACCESS_TOKEN=$TOKEN
+MATRIX_ROOM_ID=!REDACTED:example.org
+NET_ALERTER_DB=$REMOTE_DIR/devices.db
+EOF
+  chmod 600 $REMOTE_DIR/.env
+
+  # Write wrapper that sources env
+  cat > $REMOTE_DIR/run.sh <<'WRAPPER'
+#!/usr/bin/env bash
+set -a; source /opt/net_alerter/.env; set +a
+exec python3 /opt/net_alerter/net_alerter.py
+WRAPPER
+  chmod +x $REMOTE_DIR/run.sh
+
+  # Install cron (every 5 minutes)
+  CRON='*/5 * * * * /opt/net_alerter/run.sh >> /opt/net_alerter/net_alerter.log 2>&1'
+  (crontab -l 2>/dev/null | grep -v net_alerter; echo \"\$CRON\") | crontab -
+
+  echo '[ok] Deployed. Running first scan...'
+  bash $REMOTE_DIR/run.sh && echo '[ok] First scan complete'
+"
+
+echo "[done] net_alerter deployed and cron set (every 5 min)"