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Add backup directory creation and validation for WAL-G file backend #29

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Merged
gpas45 merged 1 commit into from
Jul 15, 2026
Merged

Add backup directory creation and validation for WAL-G file backend #29

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29 changes: 29 additions & 0 deletions pgsql/pgpro/wal-g-scripts/wal-g-cfg.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,22 @@ json_escape() {
printf '%s' "$s"
}

# Гарантирует существование каталога для файловых копий.
# Если каталог отсутствует — создаёт его и выдаёт права postgres:postgres.
ensure_backup_dir() {
local dir="$1"
if [[ -d "$dir" ]]; then
echo "INFO: каталог для копий уже существует: ${dir}"
return 0
fi
echo "INFO: каталог для копий не обнаружен, создаю: ${dir}"
if ! install -d -o "$PG_SUPERUSER" -g "$PG_SUPERUSER" -m 700 "$dir"; then
echo "ERROR: не удалось создать каталог ${dir}" >&2
return 1
fi
echo "OK: создан каталог ${dir} (владелец ${PG_SUPERUSER}:${PG_SUPERUSER})"
}

# Жив ли кластер на порту (по unix-сокету).
pg_alive() {
local port="$1" timeout="${2:-3}"
Expand Down Expand Up @@ -481,6 +497,11 @@ else
WALG_FILE_PREFIX_BASE="$(prompt_default 'Базовый каталог WALG_FILE_PREFIX' '/backup')"
WALG_FILE_PREFIX_BASE="${WALG_FILE_PREFIX_BASE%/}"
J_WALG_FILE_PREFIX_BASE="$(json_escape "$WALG_FILE_PREFIX_BASE")"

# Проверяем/создаём базовый каталог для файловых копий (права postgres:postgres).
if ! ensure_backup_dir "$WALG_FILE_PREFIX_BASE"; then
exit 1
fi
fi

# =============================================================================
Expand Down Expand Up @@ -530,6 +551,14 @@ for PGPORT in "${SELECTED_PORTS[@]}"; do

echo "INFO: PGDATA = ${PGDATA}"

# --- Для файлового варианта гарантируем каталог назначения текущего кластера ---
if [[ "$BACKEND" == "file" ]]; then
if ! ensure_backup_dir "${WALG_FILE_PREFIX_BASE}/${PGPORT}"; then
echo "WARN: пропуск порта ${PGPORT}: нет каталога для копий" >&2
continue
fi
fi

# --- Решаем, нужно ли (пере)записывать конфиг ---
WRITE_CFG=1
if [[ -f "$CFG" ]]; then
Expand Down
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