#!/bin/bash echo Migrate PostgreSQL version DB_PATH=/db OLD_DB_PATH=/tmp/old_db NEW_DB_PATH=/tmp/new_db DB_PWD_FILE=/tmp/db_pwd_file # Handle password if [ -z "$POSTGRES_PASSWORD" ] || [ "$POSTGRES_PASSWORD" == " " ]; then echo "Please specify database password in POSTGRES_PASSWORD env variable!" exit 1; fi echo "$POSTGRES_PASSWORD" > "$DB_PWD_FILE" truncate -s -1 "$DB_PWD_FILE" # Run database on a COPY of the database cp -r "$DB_PATH" "$OLD_DB_PATH" # Initialize NEW database mkdir "$NEW_DB_PATH" /postgres/17/bin/initdb -D "$NEW_DB_PATH" --username "$POSTGRES_USER" --pwfile="$DB_PWD_FILE" || exit 1 # Perform migration cd /tmp /postgres/17/bin/pg_upgrade -b /postgres/16/bin/ -d "$OLD_DB_PATH" -D "$NEW_DB_PATH" -U "$POSTGRES_USER" || exit 2 # TODO: replace database