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by fsniper
503 days ago
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At work we are using nolar/kopf for writing controllers that provisions/manages our kubernetes clusters. This also includes managing any infrastructure related apps that we deploy on them. We were using whitebox controller at the start, which is also like metacontroller that runs your scripts on kubernetes events. That was easy to write. However not having full control on the lifecycle of the controller code gets in the way time to time. Considering you are also writing Python did you review kopf before deciding on metacontroller? |
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As we understood it, Kopf lets you build an entire operator in Python, with the watch/update/cache/expansion logic all implemented in Python. But the first operator we wrote in it just didn't feel right. We had to talk to the K8S API from Python to do all the expansions. It was too complex. We also had aesthetic issues with the Kopf API.
Metacontroller gave us a small, Go binary which takes care of all the complex parts (watch/update/cache). Having to write only the expansion part in Python felt like a great simplification - especially now that we have Pydantic.