#!/usr/bin/env sh
set -e
# Defaults (safe across OS/CI)
TRANSPORT="${TRANSPORT:-stdio}"
PORT="${PORT:-8000}"
BIND="${BIND:-0.0.0.0}"
HTTP_PATH="${HTTP_PATH:-/mcp}"
# Allow bypassing DB check explicitly (e.g., demos)
SKIP_DB_CHECK="${SKIP_DB_CHECK:-0}"
# ---- Pre-flight: Vertica credentials must be present ----
# Required for all transports, since the server connects to Vertica.
# (You can override by setting SKIP_DB_CHECK=1)
if [ "$SKIP_DB_CHECK" != "1" ]; then
REQUIRED_VARS="VERTICA_HOST VERTICA_USER VERTICA_PASSWORD"
MISSING=0
for VAR in $REQUIRED_VARS; do
# shellcheck disable=SC2086
if [ -z "$(eval echo \$$VAR)" ]; then
echo "❌ ERROR: Missing required environment variable: $VAR" >&2
MISSING=1
fi
done
if [ "$MISSING" -eq 1 ]; then
echo >&2
echo "Provide Vertica credentials via .env, Compose env, or -e flags, for example:" >&2
echo " docker run -it --rm \\" >&2
echo " -e TRANSPORT=http -p 8000:8000 \\" >&2
echo " -e VERTICA_HOST=my.vertica.server \\" >&2
echo " -e VERTICA_USER=dbuser \\" >&2
echo " -e VERTICA_PASSWORD=supersecret \\" >&2
echo " vertica-mcp:latest" >&2
echo >&2
echo "Or create a .env file and run: docker compose up mcp-http" >&2
exit 1
fi
fi
echo "🔧 MCP transport: $TRANSPORT"
case "$TRANSPORT" in
stdio)
echo " mode: stdio"
exec vertica-mcp --transport stdio "$@"
;;
sse)
echo " mode: sse bind=$BIND port=$PORT"
exec vertica-mcp --transport sse --port "$PORT" --bind-host "$BIND" "$@"
;;
http|streamable-http)
echo " mode: http bind=$BIND port=$PORT path=$HTTP_PATH"
exec vertica-mcp --transport http --port "$PORT" --bind-host "$BIND" --http-path "$HTTP_PATH" "$@"
;;
*)
echo "❌ Unknown TRANSPORT: $TRANSPORT" >&2
echo " Use one of: stdio | http | sse" >&2
exit 1
;;
esac
