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The immich recipe declared backupbot.backup only on the app service (whose volumes are all excluded), so the postgres database — all of immich users metadata, albums, people, settings — was NOT backed up at all. Restoring a backup yielded an empty DB. Add a database-service postgres backup mirroring the coop-cloud convention (matrix-synapse, keycloak, ...): a /pg_backup.sh config-mounted hook driven by backupbot pre/restore hooks. backup = pg_dump | gzip -> backup.sql in the postgres volume; restore = terminate immich-server connections, FORCE-drop, recreate, reimport (the VectorChord/pgvecto.rs extensions and all data round-trip cleanly).
34 lines
1.4 KiB
Bash
Executable File
34 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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# Postgres backup/restore hook for the immich `database` service (VectorChord/pgvecto.rs image).
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# Invoked by backupbot-two via the deploy labels:
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# backupbot.backup.pre-hook = "/pg_backup.sh backup"
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# backupbot.backup.volumes.postgres.path = "backup.sql"
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# backupbot.restore.post-hook = "/pg_backup.sh restore"
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# Backup dumps the immich DB to backup.sql (gzip) inside the postgres volume; backupbot then
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# archives that file. Restore reads it back and reimports. immich-server keeps TCP connections
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# open to the DB, so restore must terminate them and FORCE-drop before recreating (the matrix-synapse
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# pg_hba "local trust" trick does not cover networked connections).
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set -e
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BACKUP_FILE='/var/lib/postgresql/data/backup.sql'
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export PGPASSWORD=$(cat "${POSTGRES_PASSWORD_FILE:-/run/secrets/db_password}")
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DB_USER="${POSTGRES_USER:-postgres}"
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DB_NAME="${POSTGRES_DB:-immich}"
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function backup {
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pg_dump -U "$DB_USER" "$DB_NAME" | gzip > "$BACKUP_FILE"
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}
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function restore {
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# immich-server holds connections to the DB; drop them so DROP DATABASE can proceed.
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psql -U "$DB_USER" -d postgres -c \
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"SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname='${DB_NAME}' AND pid<>pg_backend_pid();"
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psql -U "$DB_USER" -d postgres -c "DROP DATABASE ${DB_NAME} WITH (FORCE);"
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createdb -U "$DB_USER" "$DB_NAME"
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gunzip -c "$BACKUP_FILE" | psql -U "$DB_USER" -d "$DB_NAME" -1 -v ON_ERROR_STOP=1 -f -
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}
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$@
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