Add support for Kind OVNK IPV6 deployment

This PR depends on ovn-kubernetes PR [1]

[1]
ovn-kubernetes/ovn-kubernetes#4955

Signed-off-by: Yossi Boaron <yboaron@redhat.com>

package/Dockerfile.shipyard-dapper-base

@@ -4,7 +4,7 @@ FROM fedora:41
 # good balance between compression time and resulting image size.
 ARG UPX_LEVEL=-5
 ENV DAPPER_HOST_ARCH=amd64 SHIPYARD_DIR=/opt/shipyard SHELL=/bin/bash \
-    DAPPER_RUN_ARGS="--net=kind"
+    DAPPER_RUN_ARGS="--net=kind --cap-add=NET_ADMIN --privileged=true"
 ENV HOST_ARCH=${DAPPER_HOST_ARCH} ARCH=${DAPPER_HOST_ARCH} PATH=/go/bin:/root/.local/bin:/usr/local/go/bin:$PATH \
     GOLANG_ARCH_amd64=amd64 GOLANG_ARCH_arm=armv6l GOLANG_ARCH=GOLANG_ARCH_${DAPPER_HOST_ARCH} \
     GOPATH=/go GO111MODULE=on GOPROXY=https://proxy.golang.org \

scripts/shared/lib/clusters_kind

@@ -196,12 +196,24 @@ EOF
 
 function deploy_kind_ovn(){
     export K8S_VERSION
-    export NET_CIDR_IPV4="${cluster_CIDRs[${cluster}]}"
-    export SVC_CIDR_IPV4="${service_CIDRs[${cluster}]}"
+    export SVC_CIDR_IPV4
+    export NET_CIDR_IPV4
+    export SVC_CIDR_IPV6
+    export NET_CIDR_IPV6
     export KIND_CLUSTER_NAME="${cluster}"
 
     local ovn_flags=()
     [[ "$OVN_IC" != true ]] || ovn_flags=( -ic -npz 1 -wk 3 )
+
+    if [[ "$IPV6_STACK" ]]; then
+        ovn_flags+=( -n4 -i6 -sw)
+        SVC_CIDR_IPV6="${service_IPv6_CIDRs[${cluster}]}"
+        NET_CIDR_IPV6="${cluster_IPv6_CIDRs[${cluster}]}"
+    else
+        NET_CIDR_IPV4="${cluster_CIDRs[${cluster}]}"
+        SVC_CIDR_IPV4="${service_CIDRs[${cluster}]}"
+    fi
+
     delete_cluster_on_fail ./ovn-kubernetes/contrib/kind.sh -ov "$OVN_IMAGE" -cn "${KIND_CLUSTER_NAME}" -ric "${ovn_flags[@]}" -lr -dd "${KIND_CLUSTER_NAME}.local" --disable-ovnkube-identity
 
     [[ "$AIR_GAPPED" = true ]] && air_gap_iptables