32c531247d
Unconditional 'exec < /dev/tty' broke non-interactive SSH invocations where /dev/tty isn't openable. Move the reattach into the env-prompt branch and skip it cleanly if /root/.quiz.env was pre-populated, with a clear error if both stdin and /root/.quiz.env are missing.
121 lines
3.8 KiB
Bash
Executable File
121 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Live in-lecture quiz portal — VPS bootstrap.
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# Idempotent: safe to re-run on a partially-bootstrapped host.
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# Designed for: fresh Ubuntu 24.04 LTS, run as root.
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#
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# Usage (one-shot, on the VPS):
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# curl -fsSL https://gitea.ahkhan.me/apps/quiz/raw/branch/master/deploy/bootstrap.sh | bash
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#
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# Override via env:
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# DOMAIN=quiz.example.org curl ... | bash
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# REPO_URL=https://... curl ... | bash
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set -euo pipefail
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REPO_URL="${REPO_URL:-https://gitea.ahkhan.me/apps/quiz.git}"
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APP_DIR="${APP_DIR:-/opt/quiz}"
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APP_USER="${APP_USER:-quiz}"
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DOMAIN="${DOMAIN:-quiz.ahkhan.me}"
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BRANCH="${BRANCH:-master}"
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if [ "$(id -u)" != "0" ]; then
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echo "bootstrap.sh must run as root" >&2
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exit 1
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fi
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stage() { printf '\n==> Stage %s\n' "$*"; }
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stage "1/8: apt update + base packages"
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apt-get update -q
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DEBIAN_FRONTEND=noninteractive apt-get install -y -q \
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git curl ca-certificates gnupg \
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python3 python3-venv python3-pip \
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debian-keyring debian-archive-keyring apt-transport-https
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stage "2/8: install Caddy (skip if present)"
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if ! command -v caddy >/dev/null 2>&1; then
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curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' \
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| gpg --dearmor -o /usr/share/keyrings/caddy-stable-archive-keyring.gpg
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curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt' \
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| tee /etc/apt/sources.list.d/caddy-stable.list >/dev/null
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apt-get update -q
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apt-get install -y -q caddy
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fi
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stage "3/8: create $APP_USER system user (skip if present)"
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if ! id "$APP_USER" >/dev/null 2>&1; then
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useradd --system --shell /usr/sbin/nologin --home-dir "$APP_DIR" "$APP_USER"
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fi
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stage "4/8: clone or update repo into $APP_DIR"
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if [ -d "$APP_DIR/.git" ]; then
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git -C "$APP_DIR" fetch origin
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git -C "$APP_DIR" reset --hard "origin/$BRANCH"
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else
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rm -rf "$APP_DIR"
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git clone --branch "$BRANCH" "$REPO_URL" "$APP_DIR"
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fi
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chown -R "$APP_USER":"$APP_USER" "$APP_DIR"
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stage "5/8: build venv + install dependencies"
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sudo -u "$APP_USER" -H python3 -m venv "$APP_DIR/.venv"
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sudo -u "$APP_USER" -H "$APP_DIR/.venv/bin/pip" install --quiet --upgrade pip
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sudo -u "$APP_USER" -H "$APP_DIR/.venv/bin/pip" install --quiet -e "$APP_DIR"
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stage "6/8: configure environment (.env)"
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ENV_FILE="$APP_DIR/.env"
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if [ ! -f "$ENV_FILE" ]; then
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if [ -f /root/.quiz.env ]; then
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echo "Using /root/.quiz.env"
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cp /root/.quiz.env "$ENV_FILE"
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else
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# Need to prompt for the admin password; reattach TTY if curl|bash
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# left stdin pointed at the pipe.
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if [ ! -t 0 ] && [ -r /dev/tty ]; then
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exec < /dev/tty
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fi
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if [ ! -t 0 ]; then
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echo "ERROR: stdin is not a TTY and /root/.quiz.env is missing." >&2
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echo "Either pre-populate /root/.quiz.env or run this script interactively." >&2
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exit 1
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fi
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QUIZ_SECRET_KEY=$(python3 -c 'import secrets; print(secrets.token_urlsafe(48))')
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printf 'Admin password (input hidden): '
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read -rs QUIZ_ADMIN_PASSWORD
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echo
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cat > "$ENV_FILE" <<EOF
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QUIZ_DB_PATH=$APP_DIR/quiz.db
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QUIZ_SECRET_KEY=$QUIZ_SECRET_KEY
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QUIZ_ADMIN_PASSWORD=$QUIZ_ADMIN_PASSWORD
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QUIZ_HOST=127.0.0.1
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QUIZ_PORT=8001
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QUIZ_PUBLIC_URL=https://$DOMAIN
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QUIZ_LOG_LEVEL=INFO
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EOF
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fi
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chown "$APP_USER":"$APP_USER" "$ENV_FILE"
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chmod 600 "$ENV_FILE"
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fi
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stage "7/8: install systemd unit"
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install -m 644 "$APP_DIR/deploy/quiz.service" /etc/systemd/system/quiz.service
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systemctl daemon-reload
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systemctl enable --now quiz.service
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stage "8/8: configure Caddy"
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sed "s/__DOMAIN__/$DOMAIN/g" "$APP_DIR/deploy/Caddyfile.tpl" > /etc/caddy/Caddyfile
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systemctl reload caddy
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echo
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echo "==> Health check"
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sleep 2
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if curl -fs http://127.0.0.1:8001/healthz; then
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echo
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echo
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echo "Bootstrap complete. Public URL: https://$DOMAIN"
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else
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echo
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echo "Health check failed. Inspect: journalctl -u quiz.service -n 50"
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exit 1
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fi
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