Hi,
It seems that 2nd generation MySQL instances don’t use replicas anymore and it seems that there is no way at the moment of enabling high availability for MySQL. I found this option https://www.terraform.io/docs/providers/google/r/sql_database_instance.html#availability_type in the docs but is only pointing to Postgres.
For reference from Google docs https://cloud.google.com/sql/docs/mysql/high-availability#legacy_mysql_high_availability_option.
Is there a way to enable it using terraform?