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devops-infra-helm-charts-gcp/helm-overrides/k8s-demand-prd-ase1/kyverno/policies/restrict-replicas.yaml
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2026-08-26 03:39:42 +05:30

30 lines
771 B
YAML

apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
name: restrict-minimum-replicas-selected-ns
spec:
validationFailureAction: Enforce
background: false
rules:
- name: min-replicas-deployments-statefulsets
match:
resources:
kinds:
- Deployment
- StatefulSet
- Deployment/scale
- StatefulSet/scale
names:
- coredns
namespaces:
- kube-system
operations:
- CREATE
- UPDATE
validate:
message: "Deployments and StatefulSets must have at least 5 replicas in this namespace."
anyPattern:
# Case 1: replicas explicitly set and >= 5
- spec:
replicas: ">=5"