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Add a script to restore the snapshot into the compose stack

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sajeyks 2026-10-05 22:59:58 +03:00
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# Old-version database snapshot
`django-1.9.sql.gz` is a dump of the sample database made on the original
Django 1.9 stack (no real or personal data). It stands in for an old
production database: after each upgrade step, restore it and let the new
version migrate it.
```sh
sh legacy-snapshot/restore.sh
docker compose exec web python smoke_test.py # after the site answers (~1.5 min)
```
It holds the sample sites and pages from `seed_dummy_data` plus what
`seed_extra.py` adds: blog posts, contact messages, hosting plans and
supporters. Real production rows are the one thing it cannot cover.

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#!/bin/sh
# Replaces the database of the running compose stack with the Django 1.9
# snapshot, then restarts the app (its start-up runs "migrate").
# Use it to check that an upgraded version can migrate old data:
# sh legacy-snapshot/restore.sh
set -e
cd "$(dirname "$0")/.."
docker compose stop web celery
docker compose exec -T db psql -U app -d postgres -c "SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = 'app' AND pid <> pg_backend_pid()" > /dev/null
docker compose exec -T db psql -U app -d postgres -c "DROP DATABASE IF EXISTS app"
docker compose exec -T db psql -U app -d postgres -c "CREATE DATABASE app OWNER app"
gunzip -c legacy-snapshot/django-1.9.sql.gz | docker compose exec -T db psql -U app -d app -q -v ON_ERROR_STOP=1 > /dev/null
docker compose up -d web celery
echo "Restored. The site answers after about 1.5 minutes; then run: docker compose exec web python smoke_test.py"