42b6b374cf
https://github.com/kubernetes/enhancements/blob/master/keps/sig-storage/177-volume-snapshot/tighten-validation-webhook-crd.md 1. Ratcheting validation webhook server image 2. Controller labels invalid objects 3. Unit tests for webhook 4. Deployment README and example deployment method with certs 5. Update top-level README Racheting validation: 1. webhook is strict on create 2. webhook is strict on updates where the existing object passes strict validation 3. webhook is relaxed on updates where the existing object fails strict validation (allows finalizer removal, status update, deletion, etc) Additionally the validating wehook server will perform immutability checks on scenario 2 above.
45 lines
1.3 KiB
YAML
45 lines
1.3 KiB
YAML
apiVersion: apps/v1
|
|
kind: Deployment
|
|
metadata:
|
|
name: snapshot-validation-deployment
|
|
namespace: default # NOTE: change the namespace
|
|
labels:
|
|
app: snapshot-validation
|
|
spec:
|
|
replicas: 3
|
|
selector:
|
|
matchLabels:
|
|
app: snapshot-validation
|
|
template:
|
|
metadata:
|
|
labels:
|
|
app: snapshot-validation
|
|
spec:
|
|
containers:
|
|
- name: snapshot-validation
|
|
image: k8s.gcr.io/sig-storage/validation-webhook:v2.2.0 # change the image if you wish to use your own custom validation server image
|
|
args: ['--tls-cert-file=/etc/snapshot-validation-webhook/certs/cert.pem', '--tls-private-key-file=/etc/snapshot-validation-webhook/certs/key.pem']
|
|
ports:
|
|
- containerPort: 443 # change the port as needed
|
|
volumeMounts:
|
|
- name: snapshot-validation-webhook-certs
|
|
mountPath: /etc/snapshot-validation-webhook/certs
|
|
readOnly: true
|
|
volumes:
|
|
- name: snapshot-validation-webhook-certs
|
|
secret:
|
|
secretName: snapshot-validation-secret
|
|
---
|
|
apiVersion: v1
|
|
kind: Service
|
|
metadata:
|
|
name: snapshot-validation-service
|
|
namespace: default # NOTE: change the namespace
|
|
spec:
|
|
selector:
|
|
app: snapshot-validation
|
|
ports:
|
|
- protocol: TCP
|
|
port: 443 # Change if needed
|
|
targetPort: 443 # Change if the webserver image expects a different port
|