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Description
Current Behavior
Setting up a DataPlane
with KonnectExtension
and a custom volume leads to a reconciliation error:
{"level":"error","ts":"2025-10-09T14:26:27Z","msg":"Reconciler error","controller":"dataplane","controllerGroup":"gateway-operator.konghq.com","controllerKind":"DataPlane","DataPlane":{"name":"dataplane-example","namespace":"default"},"namespace":"default","name":"dataplane-example","reconcileID":"3d84b3c8-2f6c-4d5b-a275-1c6d991b7418","error":"could not build Deployment for DataPlane default/dataplane-example: failed patching Deployment dataplane-dataplane-example-m5pxn: Deployment.apps \"dataplane-dataplane-example-m5pxn\" is invalid: [spec.template.spec.volumes[0].secret: Forbidden: may not specify more than 1 volume type, spec.template.spec.containers[0].volumeMounts[0].name: Not found: \"kongsaxon-vol\", spec.template.spec.initContainers[0].volumeMounts[0].name: Not found: \"kongsaxon-vol\"]","stacktrace":"sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller[...]).reconcileHandler\n\t/home/runner/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/internal/controller/controller.go:353\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller[...]).processNextWorkItem\n\t/home/runner/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/internal/controller/controller.go:300\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller[...]).Start.func2.1\n\t/home/runner/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/internal/controller/controller.go:202"}
Expected Behavior
Reconciliation happens successfully and DataPlane
deployment receives the custom volume alongside other volumes (cluster certificates' secrets)
Steps To Reproduce
---
kind: KonnectExtension
apiVersion: konnect.konghq.com/v1alpha2
metadata:
name: my-konnect-config
namespace: kong
spec:
clientAuth:
certificateSecret:
provisioning: Automatic
konnect:
controlPlane:
ref:
type: konnectNamespacedRef
konnectNamespacedRef:
name: cp-operator
---
apiVersion: gateway-operator.konghq.com/v1beta1
kind: DataPlane
metadata:
name: dataplane-prod
namespace: kong
spec:
extensions:
- kind: KonnectExtension
name: my-konnect-config
group: konnect.konghq.com
deployment:
podTemplateSpec:
spec:
containers:
- name: proxy
image: kong/kong-gateway:3.11.0.2
env:
- name: KONG_NGINX_WORKER_PROCESSES
value: "1"
volumeMounts:
- name: custom-vol
mountPath: /usr/local/lib/custom
volumes:
- name: custom-vol
emptyDir: {}
Operator Version
v2.0.4
kubectl version
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