lsergio opened a new issue, #5401:
URL: https://github.com/apache/camel-k/issues/5401
### What happened?
Create an integration that uses annotations on the knative-service trait, as
in this example:
```
apiVersion: camel.apache.org/v1
kind: Integration
metadata:
name: annotations-test
spec:
sources:
- name: main.groovy
content: |-
from('rest:get:/test')
.log("It Worked!")
traits:
knative-service:
enabled: true
annotations:
autoscaling.knative.dev/class: "hpa.autoscaling.knative.dev"
autoscaling.knative.dev/metric: "cpu"
autoscaling.knative.dev/target: "75"
autoscaling.knative.dev/minScale: "1"
autoscaling.knative.dev/maxScale: "10"
```
Apply this content to your kubernetes cluster and monitor the operator logs.
It will display an error when creating the Knative Service object:
```
{"level":"error","ts":"2024-04-22T20:27:22Z","msg":"Reconciler
error","controller":"integration-controller","controllerGroup":"camel.apache.org","controllerKind":"Integration","Integration":{"name":"annotations-test","namespace":"a1b2c3d4e5"},"namespace":"a1b2c3d4e5","name":"annotations-test","reconcileID":"63b0dd87-66be-4641-80b4-697349eeacf0","error":"error
executing post actions: error during apply resource:
a1b2c3d4e5/annotations-test: admission webhook
\"validation.webhook.serving.knative.dev\" denied the request: validation
failed: invalid key name \"autoscaling.knative.dev/class\":
metadata.annotations\nautoscaling annotations must be put under
\"spec.template.metadata.annotations\" to work\ninvalid key name
\"autoscaling.knative.dev/maxScale\": metadata.annotations\nautoscaling
annotations must be put under \"spec.template.metadata.annotations\" to
work\ninvalid key name \"autoscaling.knative.dev/metric\":
metadata.annotations\nautoscaling annotations must be put under \"s
pec.template.metadata.annotations\" to work\ninvalid key name
\"autoscaling.knative.dev/minScale\": metadata.annotations\nautoscaling
annotations must be put under \"spec.template.metadata.annotations\" to
work\ninvalid key name \"autoscaling.knative.dev/target\":
metadata.annotations\nautoscaling annotations must be put under
\"spec.template.metadata.annotations\" to
work","stacktrace":"sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler\n\tsigs.k8s.io/controller-runtime@v0.15.2/pkg/internal/controller/controller.go:324\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\n\tsigs.k8s.io/controller-runtime@v0.15.2/pkg/internal/controller/controller.go:265\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2.2\n\tsigs.k8s.io/controller-runtime@v0.15.2/pkg/internal/controller/controller.go:226"}
```
### Steps to reproduce
_No response_
### Relevant log output
_No response_
### Camel K version
v2.2.0
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