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chore: import upstream snapshot with attribution
2026-07-13 13:28:29 +08:00

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#!/usr/bin/env bash
# One-time bootstrap for the DocsGPT e2e Postgres template DB.
#
# Creates two databases on the native DBngin Postgres instance:
# * docsgpt_e2e_template — schema-only (alembic head), marked as a PG template
# * docsgpt_e2e — the live DB the first `up.sh` run connects to
#
# Idempotent. Safe to re-run after schema changes to refresh the template.
set -euo pipefail
PG_BIN="/Users/Shared/DBngin/postgresql/16.2/bin"
PSQL="${PG_BIN}/psql"
PG_ISREADY="${PG_BIN}/pg_isready"
PG_HOST="127.0.0.1"
PG_PORT="5432"
PG_SUPERUSER="postgres"
TEMPLATE_DB="docsgpt_e2e_template"
E2E_DB="docsgpt_e2e"
OWNER_ROLE="docsgpt"
OWNER_PASSWORD="docsgpt"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
log() {
printf '[bake_template] %s\n' "$*" >&2
}
if [[ ! -x "${PSQL}" ]]; then
log "psql not found at ${PSQL} — is DBngin Postgres 16.2 installed?"
exit 1
fi
log "Checking Postgres is up at ${PG_HOST}:${PG_PORT}..."
if ! "${PG_ISREADY}" -h "${PG_HOST}" -p "${PG_PORT}" -q; then
log "Postgres is not accepting connections at ${PG_HOST}:${PG_PORT}."
log "Start DBngin's Postgres 16.2 instance and try again."
exit 1
fi
log "Dropping and recreating ${TEMPLATE_DB} as superuser ${PG_SUPERUSER}..."
"${PSQL}" -h "${PG_HOST}" -p "${PG_PORT}" -U "${PG_SUPERUSER}" -d postgres \
-v ON_ERROR_STOP=1 -X -q <<SQL
-- Clear the template flag first so DROP DATABASE is allowed.
UPDATE pg_database SET datistemplate = FALSE WHERE datname = '${TEMPLATE_DB}';
UPDATE pg_database SET datallowconn = TRUE WHERE datname = '${TEMPLATE_DB}';
-- Evict any lingering backends on the template DB.
SELECT pg_terminate_backend(pid)
FROM pg_stat_activity
WHERE datname = '${TEMPLATE_DB}'
AND pid <> pg_backend_pid();
DROP DATABASE IF EXISTS ${TEMPLATE_DB};
CREATE DATABASE ${TEMPLATE_DB} OWNER ${OWNER_ROLE};
SQL
log "Applying Alembic schema to ${TEMPLATE_DB}..."
if [[ -x "${REPO_ROOT}/.venv/bin/python" ]]; then
PYTHON="${REPO_ROOT}/.venv/bin/python"
else
PYTHON="python3"
fi
(
cd "${REPO_ROOT}"
POSTGRES_URI="postgresql://${OWNER_ROLE}:${OWNER_PASSWORD}@${PG_HOST}:${PG_PORT}/${TEMPLATE_DB}" \
"${PYTHON}" scripts/db/init_postgres.py
)
log "Marking ${TEMPLATE_DB} as a Postgres template (datistemplate=TRUE, datallowconn=FALSE)..."
"${PSQL}" -h "${PG_HOST}" -p "${PG_PORT}" -U "${PG_SUPERUSER}" -d postgres \
-v ON_ERROR_STOP=1 -X -q <<SQL
UPDATE pg_database SET datistemplate = TRUE WHERE datname = '${TEMPLATE_DB}';
UPDATE pg_database SET datallowconn = FALSE WHERE datname = '${TEMPLATE_DB}';
SQL
log "Cloning ${E2E_DB} from ${TEMPLATE_DB}..."
"${PSQL}" -h "${PG_HOST}" -p "${PG_PORT}" -U "${PG_SUPERUSER}" -d postgres \
-v ON_ERROR_STOP=1 -X -q <<SQL
SELECT pg_terminate_backend(pid)
FROM pg_stat_activity
WHERE datname = '${E2E_DB}'
AND pid <> pg_backend_pid();
DROP DATABASE IF EXISTS ${E2E_DB};
CREATE DATABASE ${E2E_DB} TEMPLATE ${TEMPLATE_DB} OWNER ${OWNER_ROLE};
SQL
log "Done. Template ${TEMPLATE_DB} is baked; ${E2E_DB} is ready for the first e2e run."
exit 0