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# general
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w
Is the only option to shell out to kubectl?
@white-balloon-205 apologies for the @mention but the above is another common pattern I'm seeing and hoping for some direction / ideas
Is there a "nice" way to do read-modify-write / patching of existing k8s resources with pulumi?
If it means shelling out, then even that could do with some help from pulumi, making "kubectl" more first class?
w
It would be good to open an issue in pulumi-kubernetes with details of the use cases here. We did add a 
kubectlReplace
function to the Kubernetes provider related to this - but I'm not sure it really completely solves for common scenarios - and would love to have an issue tracking these to make sure we think about what a great solution here would look like. https://github.com/pulumi/pulumi-kubernetes/pull/579
c
This is killing us a bit. We've written our own Python eks pulumi library that stands up the control plane/worker nodes, and we're flying with it, however we have a massive hole in our upgrade story as we're unable to nicely upgrade kube-proxy/coredns/aws-vpc-cni.
w
You can see how this is handled in the 
@pulumi/eks
package for Node.js here: https://github.com/pulumi/pulumi-eks/blob/master/nodejs/eks/cni.ts#L160
You should be able to do the same from a Python package.
c
Very intimately familiar, we've written our own dynamic provider code using a python kubernetes lib (instead of shelling out). just unfortunate that it has to be done that way.
w
FWIW - this is an issue tracking this - definitely feel free to add a note about your scenario and an upvote: https://github.com/pulumi/pulumi-kubernetes/issues/264
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