Hi all, I'm looking for some help sourcing some vendors general strategies for doing post-deployment monitoring.

Tl;dr: I'm looking for a system that can handle pre-deployment checks, the actual deployment, and post-deployment monitoring with automated rollbacks.

I recently joined a start-up with a manual deployment process. The start-up currently does scheduled releases on 2 days during the week, and we deploy the entire stack of a handful of microservices at the same time. Aside from the obvious problem to solve which is to move to a place where we can deploy individual services independently, I am looking for a platform where I can do pre-deployment checks (check list of things to verify it is safe to deploy), the deployment itself, and then post-deployment monitoring with auto-rollbacks.

To elaborate a bit on the pre and post-deployment phases: I want the ability check if there is an active OpsGenie incident declared, if it is a weekend deployment, etc. before we do an automated deployment. In post-deployment monitoring, I want the ability to configure an alarm that, when triggered, initiates a rollback automatically. This alarm would be monitored for a specified amount of time post-deployment (measured in hours or by some other trigger, like meeting a condition such as "1000 requests processed").

What I've looked at so far:

• Argo Workflows: promising amount of integrations, but very general purpose. My impression is that it can only deploy to K8s targets... am I wrong? We deploy more than just K8s workloads. I suppose I could write custom tasks to deploy to non-K8s... but Octopus can do this natively.
• Octopus: Can handle almost all of the pre-deployment requirements I have, can deploy to virtually any target (including K8s), but is unfortunately lacking any sort of post-deployment monitoring (verified after talking to a solutions architect at Octopus).
• Codefresh: Just bought by Octopus. Seems like it's also K8s specific.

Tools that I haven't looked into yet, but are interesting:

• Harness
• Spinnaker

I'd really appreciate any leads on systems out there! I come from one of the FAANGs where we had all of this (and more) but it was all internal tooling - does anything exist in the market?