When a production database in Google Cloud SQL is deleted without a backup, the situation can be quite challenging. However, there are a few steps you can take to try and recover your data or mitigate the loss:
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Contact Google Cloud Support Immediately: If you have a support plan with Google Cloud, contact them as soon as possible. Explain the situation in detail. Google Cloud Support might have internal mechanisms to help recover data in some cases, although there's no public guarantee for data recovery for deleted instances or databases.
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Check for Any Backups: Even though you mentioned there's no backup, it's worth double-checking. Sometimes, automated backups are set up and forgotten. Google Cloud SQL has automatic and manual backup options. Look in the Google Cloud Console to see if there were any backups configured that you might not be aware of.
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Review Audit Logs: Google Cloud maintains audit logs that can provide insights into the actions taken on the Cloud SQL instance. While this won't help directly in recovering the data, it can help you understand what happened and when, which might be useful in preventing future incidents.
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Explore Point-in-time Recovery (PITR) Options: If point-in-time recovery was enabled for your Cloud SQL instance, you might be able to restore your database to a state before it was deleted. This feature needs to have been enabled and configured prior to the deletion.
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Prevent Future Losses: Once you've addressed the immediate crisis, it's crucial to implement strategies to prevent such a loss in the future. This includes setting up automated backups, enabling point-in-time recovery (if supported by your database engine), and implementing stricter access controls and policies to prevent accidental deletions.
Unfortunately, if there are no backups and Google Cloud Support cannot assist in recovering the data, the options for recovery might be very limited.
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