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Add template function to hash a resource in the same manifest #32
Description
This would be very useful to generate a typical "config hash" label that can be used to rotate Pods in a deployment when another resource, usually a Secret or ConfigMap, changes.
apiVersion: apps/v1
kind: Deployment
# ...
spec:
template:
metadata:
labels:
confighash: ${{ hash(local_lookup("v1", "Secret", "mysecret", "namespace").data) }}
# ...
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