Upgrading FusionAuth Cloud Deployments and Rollback Options
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We are in the process of preparing to update all of our FusionAuth environments. What steps do we need to take in order to get the latest version and is a rollback plan available if we encounter issues or have problems with the upgrade?
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To upgrade the FusionAuth deployment, you just need to visit account.fusionauth.io and go to the Hosting tab. From there, each deployment has a drop down button where you can select Upgrade. From there you can upgrade version by version or leapfrog to the latest version, we always recommend testing out the upgrade on dev before rolling it out to production. For your dev instances, there will be downtime of up to 60 minutes but usually I see it takes 20-30 minutes. For production we do a rolling node upgrade since it's a multi-node instance, therefore it should not have much downtime at all(seconds) as traffic just gets routed to nodes 2 & 3 while node 1 is getting upgraded.
As far as rollbacks and backups, we keep snapshots of the database for your production deployment since its High Availability. Your dev and staging instances do not have backups since they are Basic Cloud. If you want to enable backups and rollbacks, you would need to move the Dev or Staging instance to the next tier of hosting, Business Cloud. For production, we will take a snapshot of the database every time right before you upgrade. These backups are available for up to 30 days. Then we also have 3 days of general rolling backups for your production that we can rollback to. Rolling back is a manual process from our end so that's something you have to contact us to initiate. Something to keep in mind is that it's a complete database rollback, so any logging or changes made since the snapshot will be lost so there is data loss with these rollbacks.
https://fusionauth.io/docs/get-started/run-in-the-cloud/cloud#upgrading-a-deployment
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