[kube-state-metrics] add option to add initContainers and additional sidecars #3861
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What this PR does / why we need it
Adds the option to add additional containers and initContainers to the kube-state-metrics helm chart.
This becomes handy when adding a sidecar to e.g. automatically update the crd configuration file.
Currently it requires patching the chart e.g. as done in: https://github.com/kubernetes-sigs/cluster-api/blob/main/hack/observability/kube-state-metrics/kustomization.yaml (post
helm template
).Which issue this PR fixes
(optional, in
fixes #<issue number>(, fixes #<issue_number>, ...)
format, will close that issue when PR gets merged)Special notes for your reviewer
Checklist
[prometheus-couchdb-exporter]
)