Files
siftlode/scripts/restore.sh
T
peter 14f1c97c0a fix(e12): a bare up -d picks the wrong compose file, and recreates the database
Round four, on round three's diff. 47 -> 34 -> 15 -> 7 raw findings.

**The printed restart command could strand the restored data.** Round three replaced
`start` with `up -d` because `start` ignores a newly pinned tag — but printed it bare. In
the git-clone layout BOTH compose files exist, so the scripts' COMPOSE_FILE fallback never
fires and a bare `docker compose up -d` reads `docker-compose.yml`: different volume names,
locally built images, no IMAGE_TAG at all. `stop` and `exec` had been fine there (they
resolve running containers by project and service), but `up -d` RECREATES — so the operator
pastes the hint straight after a successful restore and gets `db` on a new empty volume and
a first-run setup wizard, with their data in an orphaned volume. Verified: the two files
resolve `siftlode_pgdata` vs `pgdata` and different images.

The scripts no longer print a command that recreates from a file they did not resolve. They
name the compose file when they resolved one, and otherwise say to start it the way the
operator normally does — with the caveats on their own lines rather than in a parenthetical
at the end of a very long one.

**The reset flag is now decided where the live hash is already parsed.** Round three cleared
it in the token effect, which only runs when a NEW verify token arrives — so the back
button, or re-pasting an already-consumed verify link, still left the banner promising a
recovery whose token was gone. Setting it from the hash on every fragment change is both
smaller and closes those.

Also: the doc said `start` "still carries the old tag" four lines after "pin the older
IMAGE_TAG", where "old" then reads as the tag being rolled back TO — it now reuses the
scripts' unambiguous wording; the Windows recipe removes a partially-copied dump before
throwing, so a mid-stream `cp` failure cannot leave a truncated file under the final name;
and `$WarningPreference` is pinned beside `$ErrorActionPreference` so an inherited
SilentlyContinue cannot drop the half-restored warning, with the comment corrected to say
what the warning stream actually is.

Gate green: vitest 685, pytest 950.
2026-09-05 04:31:13 +02:00

56 lines
3.2 KiB
Bash

#!/bin/sh
# Restores a Siftlode Postgres dump created by backup.sh into the running db container.
# Usage: ./scripts/restore.sh backups/siftlode-YYYYMMDD-HHMMSS.dump
#
# Restoring the database does NOT restore the secrets that decrypt it. If this dump is from an
# instance with a different TOKEN_ENCRYPTION_KEY than the current .env, the encrypted sysconfig
# values and refresh tokens will not be readable. See docs/self-hosting.md § Backups.
set -e
# See backup.sh: the documented self-host layout ships only docker-compose.selfhost.yml, so plain
# `docker compose` has no configuration file to find there.
if [ -z "${COMPOSE_FILE:-}" ] && [ ! -f docker-compose.yml ] && [ -f docker-compose.selfhost.yml ]; then
COMPOSE_FILE=docker-compose.selfhost.yml
export COMPOSE_FILE
fi
FILE="$1"
if [ -z "$FILE" ]; then echo "Usage: restore.sh <dumpfile>"; exit 1; fi
if [ ! -f "$FILE" ]; then echo "Dump file not found: $FILE"; exit 1; fi
USER_NAME="${POSTGRES_USER:-siftlode}"
DB_NAME="${POSTGRES_DB:-siftlode}"
# Stop the app before dropping its tables. `--clean` DROPs each object in its own transaction, and a
# running api (with its scheduler) holds locks that make those DROPs queue behind it — abort the wait
# and the database is left half-dropped. It also keeps the app from writing into a schema that is
# only partly back.
#
# It is NOT restarted automatically, on purpose. Every start runs `alembic upgrade head`, so on the
# documented rollback path (restore a pre-upgrade dump, THEN pin the older IMAGE_TAG) an automatic
# restart would re-apply the very migrations the restore just undid. On a FAILED restore it would
# put the app back on a half-restored schema, which is the second thing the stop exists to prevent.
# The operator starts it when they are ready — with `up -d`, not `start`: `start` relaunches the
# EXISTING container, so it ignores a newly pinned IMAGE_TAG and comes back on the image being
# rolled back FROM.
if ! docker compose stop api worker; then
echo "Could not stop api/worker — refusing to restore while the app may still be writing." >&2
exit 1
fi
# pg_restore exits non-zero for ignorable warnings too (--clean --if-exists on a fresh database
# reports every missing object it tried to drop), so a non-zero code is reported as "check this",
# not swallowed and not dressed up as success.
if docker compose exec -T db pg_restore -U "$USER_NAME" -d "$DB_NAME" --clean --if-exists < "$FILE"; then
echo "Restored $FILE"
echo "api and worker are stopped. Start them again the way you normally start Siftlode:"
echo " docker compose ${COMPOSE_FILE:+-f $COMPOSE_FILE }up -d"
echo "Use the SAME compose file you started with — 'up -d' recreates from whatever file it reads,"
echo "and a different one points at different volumes. Rolling a release back? Pin the older"
echo "IMAGE_TAG in .env FIRST: every start re-runs the migrations, and 'start' would relaunch the"
echo "existing container on the image you are rolling back FROM."
else
echo "pg_restore reported errors while restoring $FILE — read the output above before treating this instance as restored." >&2
echo "api and worker are left STOPPED: the database may be half-restored. Fix the dump and re-run before starting them." >&2
exit 1
fi