kube/shared/README.md
Lauri Võsandi 7c5cad55e1
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2022-08-25 11:22:50 +03:00

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KeyDB

KeyDB can be instantiated by symlinking the generated keydb.yml, in future this could be handled by an operator.

helm template keydb enapter/keydb --set persistentVolume.enabled=false > keydb.yml

To regenerate base network policies

It's quite odd there is no better way to generate these.

cat << EOF > networkpolicy-base.yml

apiVersion: networking.k8s.io/v1 kind: NetworkPolicy metadata: name: kubedns spec: podSelector: {} policyTypes:

  • Egress egress:
  • to:
    • namespaceSelector: matchLabels: kubernetes.io/metadata.name: kube-system ports:
    • protocol: UDP port: 53

apiVersion: networking.k8s.io/v1 kind: NetworkPolicy metadata: name: kubeprobe spec: podSelector: {} policyTypes:

  • Ingress ingress: EOF for j in $(kubectl get nodes -o json | jq '.items[] | .spec.podCIDR' -r | cut -d "/" -f 1 | sed -e 's/.0$/.1/32/' | xargs); do cat << EOF >> networkpolicy-base.yml
  • from:
    • ipBlock: cidr: $j EOF done

cat << EOF >> networkpolicy-base.yml

apiVersion: networking.k8s.io/v1 kind: NetworkPolicy metadata: name: kubeapi spec: podSelector: {} policyTypes:

  • Egress egress:
  • ports:
    • port: 6443 to: EOF for j in $(kubectl get ep -n default kubernetes -o json | jq '.subsets[].addresses[].ip' -r | xargs); do cat << EOF >> networkpolicy-base.yml
    • ipBlock: cidr: $j/32 EOF done