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Does not support lifecycle, stopSignal, in pod spec. #16463
Description
What version of Knative?
1.21.1
Expected Behavior
I expect v1.RevisionSpec to embed members of PodSpec, including containers.lifecycle.StopSignal, as mentioned in the documentation https://knative.dev/docs/serving/reference/serving-api/#serving.knative.dev/v1.RevisionSpec. Relevant kubernetes docs (1.33+), https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.33/#lifecycle-v1-core.
Actual Behavior
Trying to apply a knative service manifest specifying lifecycle within the podspec yields:
Error from server (BadRequest): error when creating "knative-test.yml": Service in version "v1" cannot be handled as a Service: strict decoding error: unknown field "spec.template.spec.containers[0].lifecycle"
Steps to Reproduce the Problem
Apply the below manifest.
apiVersion: serving.knative.dev/v1
kind: Service
metadata:
name: lifecycle-test
spec:
template:
spec:
containers:
- image: gcr.io/knative-samples/helloworld-go
ports:
- containerPort: 8080
env:
- name: TARGET
value: "World"
lifecycle:
stopSignal: SIGTERM
Activity
dprotaso commentedon Mar 14, 2026
I think we should support this when the feature is not alpha - which means it's off by default in a lot of k8s providers.
K8s docs shows
Aniket1260 commentedon Aug 31, 2026
@dprotaso Can I work on this?