118 lines
3.6 KiB
Bash
Executable File
118 lines
3.6 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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usage() {
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cat <<EOF
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Usage: $(basename "$0") BACKUP_ID [DB_NAME] [DB_USER]
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Restore the Gitea data volume and database from a backup run identified by BACKUP_ID.
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BACKUP_ID should match the directory name under ./backups (e.g. 2025-11-17_12-30).
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DB_NAME and DB_USER default to environment variables GITEA_DB / GITEA_DB_USER,
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falling back to "gitea" / "gitea" if unset.
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EOF
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}
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if [ "${1:-}" = "--help" ] || [ "${1:-}" = "-h" ]; then
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usage
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exit 0
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fi
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if [ $# -lt 1 ] || [ $# -gt 3 ]; then
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usage >&2
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exit 1
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fi
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BACKUP_ID=$1
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ROOT_DIR=$(cd "$(dirname "$0")/../.." && pwd)
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BACKUPS_DIR="$ROOT_DIR/backups/$BACKUP_ID"
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load_env_file() {
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local file=$1
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if [ -f "$file" ]; then
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# shellcheck disable=SC1090
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set -a
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. "$file"
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set +a
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fi
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}
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# Load shared or service-specific environment files if present
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load_env_file "$ROOT_DIR/.env"
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DB_NAME=${GITEA_DB:-${GITEA_DB_NAME:-gitea}}
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DB_USER=${GITEA_DB_USER:-gitea}
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DB_PASSWORD=${GITEA_DB_PASSWORD:-${GITEA_DB_PASS:-}}
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DB_NAME=${2:-$DB_NAME}
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DB_USER=${3:-$DB_USER}
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if [ ! -d "$BACKUPS_DIR" ]; then
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printf 'Backup directory not found: %s\n' "$BACKUPS_DIR" >&2
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exit 1
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fi
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COMPOSE_CMD="docker compose"
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cd "$ROOT_DIR"
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printf 'Stopping Gitea service before restore...\n'
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if ! $COMPOSE_CMD stop gitea >/dev/null 2>&1; then
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printf 'Warning: could not stop Gitea service (it may already be stopped).\n' >&2
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fi
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ARCHIVE="gitea_data_${BACKUP_ID}.tar.gz"
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HOST_FILE="$BACKUPS_DIR/$ARCHIVE"
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CONTAINER_PATH="/backups/$BACKUP_ID/$ARCHIVE"
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if [ ! -f "$HOST_FILE" ]; then
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printf 'Archive missing: %s\n' "$HOST_FILE" >&2
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exit 1
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fi
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printf 'Restoring gitea_data from %s\n' "$HOST_FILE"
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$COMPOSE_CMD run --rm restore restore-volume gitea_data "$CONTAINER_PATH"
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DB_DUMP_DIR="$BACKUPS_DIR"
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DB_DUMP_FILE="$DB_DUMP_DIR/${DB_NAME}_${BACKUP_ID}.sql"
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DB_DUMP_GZ="$DB_DUMP_FILE.gz"
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if [ -f "$DB_DUMP_GZ" ]; then
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DB_SOURCE="$DB_DUMP_GZ"
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elif [ -f "$DB_DUMP_FILE" ]; then
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DB_SOURCE="$DB_DUMP_FILE"
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else
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DB_SOURCE=""
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fi
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if [ -n "$DB_SOURCE" ]; then
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if [ -z "$DB_PASSWORD" ]; then
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printf 'Database dump found (%s) but GITEA_DB_PASSWORD not set; skipping DB restore.\n' "$DB_SOURCE" >&2
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else
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printf 'Restoring database %s from %s\n' "$DB_NAME" "$DB_SOURCE"
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DROP_FLAG=${GITEA_DROP_EXISTING_DB:-${DROP_EXISTING_DB:-1}}
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RESTORE_ENV_ARGS="-e PGPASSWORD=$DB_PASSWORD -e DROP_EXISTING_DB=$DROP_FLAG"
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if [ -n "${POSTGRES_ADMIN_USER:-}" ] && [ -n "${POSTGRES_ADMIN_PASSWORD:-}" ]; then
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RESTORE_ENV_ARGS="$RESTORE_ENV_ARGS -e POSTGRES_ADMIN_USER=$POSTGRES_ADMIN_USER -e POSTGRES_ADMIN_PASSWORD=$POSTGRES_ADMIN_PASSWORD"
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fi
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if [ -n "${POSTGRES_ADMIN_DB:-}" ]; then
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RESTORE_ENV_ARGS="$RESTORE_ENV_ARGS -e POSTGRES_ADMIN_DB=$POSTGRES_ADMIN_DB"
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fi
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if [ -n "${GITEA_DB_HOST:-}" ]; then
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RESTORE_ENV_ARGS="$RESTORE_ENV_ARGS -e POSTGRES_HOST=$GITEA_DB_HOST"
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elif [ -n "${POSTGRES_HOST:-}" ]; then
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RESTORE_ENV_ARGS="$RESTORE_ENV_ARGS -e POSTGRES_HOST=$POSTGRES_HOST"
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fi
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# shellcheck disable=SC2086
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$COMPOSE_CMD run --rm $RESTORE_ENV_ARGS restore \
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restore-db "/backups/$BACKUP_ID/$(basename "$DB_SOURCE")" "$DB_NAME" "$DB_USER" "$DB_PASSWORD"
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fi
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else
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printf 'No database dump found for %s in %s\n' "$DB_NAME" "$DB_DUMP_DIR" >&2
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fi
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printf '\nRestore command completed. Restart Gitea when ready.\n'
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printf 'Starting Gitea service...\n'
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if ! $COMPOSE_CMD up -d gitea; then
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printf 'Warning: failed to start Gitea service. Please start it manually.\n' >&2
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fi
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