GitHub repository: GoogleCloudPlatform/cloudsql-upgrade
Description: The tool simplifies upgrading your Cloud SQL databases to newer major versions (MySQL 5.7 to 8.0 and PostgreSQL 9.6/10/11/12 to 14/15) and the Enterprise Plus edition. It provides upgrade assessments, issue resolution scripts, and in-place upgrades to minimize risks, downtime, and costs associated with manual upgrades