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feat: Add KUBERNETES_NODE_NAME env var to operator Pods #537

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Merged
merged 3 commits into from
Jul 9, 2025
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feat: Add KUBERNETES_NODE_NAME env var to operator Pods #537

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01a05d1
feat: Add KUBERNETES_NODE_NAME env var to operator Pods
sbernauer Jul 9, 2025
52047c1
docs: Mention clap arguments
sbernauer Jul 9, 2025
e6771ad
Update docs
sbernauer Jul 9, 2025
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15 changes: 15 additions & 0 deletions template/deploy/helm/[[operator]]/templates/deployment.yaml.j2
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Expand Up @@ -43,11 +43,26 @@ spec:
- mountPath: /etc/stackable/{{ include "operator.appname" . }}/config-spec
name: config-spec
env:
# The following env vars are passed as clap (think CLI) arguments to the operator.
# They are picked up by clap using the structs defied in the operator.
# (which is turn pulls in https://github.com/stackabletech/operator-rs/blob/main/crates/stackable-operator/src/cli.rs)
# You can read there about the expected values and purposes.

# Sometimes products need to know the operator image, e.g. the opa-bundle-builder OPA
# sidecar uses the operator image.
- name: OPERATOR_IMAGE
# Tilt can use annotations as image paths, but not env variables
valueFrom:
fieldRef:
fieldPath: metadata.annotations['internal.stackable.tech/image']

# Operators need to know the node name they are running on, to e.g. discover the
# Kubernetes domain name from the kubelet API.
- name: KUBERNETES_NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName

{{- if .Values.kubernetesClusterDomain }}
- name: KUBERNETES_CLUSTER_DOMAIN
value: {{ .Values.kubernetesClusterDomain | quote }}
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