maas-base/pack/rootfs/etc/s6-overlay/s6-rc.d/postgres/finish

#!/command/with-contenv bash

EXIT_CODE="$1"
EXIT_SIGNAL="$2"

SCRIPT_ROOT=/etc/s6-overlay/scripts
source "$SCRIPT_ROOT/base.sh"
# The config should be ready before starting
if [ -f "$GPUSTACK_POSTGRES_CONFIG" ]; then
    source "$GPUSTACK_POSTGRES_CONFIG"
fi
source "$SCRIPT_ROOT/default-variables.sh"

PGDATA="${POSTGRES_DATA_DIR}"

echo "[INFO] PostgreSQL service is stopping..."

if [ -f "$PGDATA/postmaster.pid" ]; then
    echo "[ERROR] Gracefully shutting down PostgreSQL..."
    gosu postgres pg_ctl -D "$PGDATA" -m fast stop || \
    gosu postgres pg_ctl -D "$PGDATA" -m immediate stop

    sleep 2
fi

if [ -f "$PGDATA/postmaster.pid" ]; then
    echo "[ERROR] PostgreSQL did not exit cleanly. Forcing immediate shutdown."
    gosu postgres pg_ctl -D "$PGDATA" -m immediate stop
fi

handleServiceExit "postgres" "$EXIT_CODE" "$EXIT_SIGNAL"