Hi,

we have some code that kinda implements the "k8s operator pattern" (e.g. the ups-config-operator, which is not yet a k8s controller...)

IMO it's worth trying to port code repositories that are trying to be a 'k8s operator', towards the new Operator Framework:
https://twitter.com/coreos/status/991212768039768065

-Matthias

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Matthias Wessendorf

github: https://github.com/matzew 
twitter: http://twitter.com/mwessendorf