issuer.yaml

apiVersion: cert-manager.io/v1
kind: Issuer
metadata:
  name: hubble-ca-issuer
  namespace: kube-system
spec:
  selfSigned: {}
---
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: hubble-ca
  namespace: kube-system
spec:
  isCA: true
  commonName: hubble-grpc.cilium.io
  secretName: hubble-ca-crt
  issuerRef:
    kind: Issuer
    name: hubble-ca-issuer
---
apiVersion: cert-manager.io/v1
kind: Issuer
metadata:
  name: hubble-issuer
  namespace: kube-system
spec:
  ca:
    secretName: hubble-ca-crt