// Create ConfigMap
# This ConfigMap is used to configure k8s cni ipv6 e2e.
kind: ConfigMap
apiVersion: v1
metadata:
  name: cni-config
  namespace: kube-system
data:
  cni_ipv4_default_cidr: "99.99.99.0/24"
  cni_ipv4_default_gw: "99.99.99.1"
  cni_ipv6_default_cidr: "2001:db8::/64"
  cni_ipv6_default_gw: "2001:db8::1"

// Update DaemonSet
        # This container installs the CNI binaries
        # and CNI network config file on each node.
        - name: install-cni
          image: calico/cni:v1.5.6
          command: ["/install-cni.sh"]
          env:
            # Set env vars used by install-cni.sh script.
            - name: CNI_IPV4_CIDR
              valueFrom:
                configMapKeyRef:
                  name: cni-config
                  key: cni_ipv4_default_cidr
            - name: CNI_IPV4_GW
              valueFrom:
                configMapKeyRef:
                  name: cni-config
                  key: cni_ipv4_default_gw
            - name: CNI_IPV6_CIDR
              valueFrom:
                configMapKeyRef:
                  name: cni-config
                  key: cni_ipv6_default_cidr
            - name: CNI_IPV6_GW
              valueFrom:
                configMapKeyRef:
                  name: cni-config
                  key: cni_ipv6_default_gw