I have 3 different environments (testing, staging and production) where they are in different GCP projects and each have 3 GKE clusters in different regions and they have auto upgrade enabled.
The goal is to have all these clusters on the same release channel and have the rollout sequencing enabled, where the automatic upgrade from the release channel to start on staging will depend on a successful upgrade on testing environment.
I'm looking for suggestions on what would be the best setup to achieve my goal. Should I enrol each cluster from the same environment on the same fleet and have different fleets per environment? Would that be possible to have the rollout sequence? Or should I enrol all clusters on the same fleet?
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