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magickatt/convert_namespace_to_subnamespace.sh

Last active April 19, 2024 21:25
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Convert an existing namespace to a subnamespace using the Hierarchical Namespace Controller
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convert_namespace_to_subnamespace.sh
PARENT_NAMESPACE=pizzeria
CHILD_NAMESPACE=pepperoni
$ kubectl annotate namespace $CHILD_NAMESPACE \
hnc.x-k8s.io/subnamespace-of=$PARENT_NAMESPACE
# namespace/pepperoni annotated
$ cat <<EOF | kubectl apply -f -
apiVersion: hnc.x-k8s.io/v1alpha2
kind: SubnamespaceAnchor
metadata:
namespace: $PARENT_NAMESPACE
name: $CHILD_NAMESPACE
EOF
# subnamespaceanchor.hnc.x-k8s.io/pepperoni created
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