fix: metallb addresspool setup

Update the docker network ipaddresspool setup script to account for
network configs that do not have the IPv4 address as the first element
of the array.

Makefile

@@ -321,7 +321,7 @@ local-deploy: ## Deploy Kuadrant Operator in the cluster pointed by KUBECONFIG
 	@echo
 
 .PHONY: local-setup
-local-setup: $(KIND) ## Deploy locally kuadrant operator from the current code
+local-setup: kind ## Deploy locally kuadrant operator from the current code
 	$(MAKE) local-env-setup
 	$(MAKE) local-deploy
 
@@ -408,11 +408,11 @@ undeploy-policy-controller: ## Undeploy policy-controller from the K8s cluster s
 	$(KUSTOMIZE) build config/policy-controller | kubectl delete -f -
 
 .PHONY: install-metallb
-install-metallb: $(KUSTOMIZE) ## Installs the metallb load balancer allowing use of an LoadBalancer type with a gateway
+install-metallb: kustomize yq ## Installs the metallb load balancer allowing use of an LoadBalancer type with a gateway
 	$(KUSTOMIZE) build config/metallb | kubectl apply -f -
 	kubectl -n metallb-system wait --for=condition=Available deployments controller --timeout=300s
 	kubectl -n metallb-system wait --for=condition=ready pod --selector=app=metallb --timeout=60s
-	./utils/docker-network-ipaddresspool.sh kind | kubectl apply -n metallb-system -f -
+	./utils/docker-network-ipaddresspool.sh kind ${YQ} | kubectl apply -n metallb-system -f -
 
 .PHONY: uninstall-metallb
 uninstall-metallb: $(KUSTOMIZE) 

utils/docker-network-ipaddresspool.sh

@@ -9,8 +9,14 @@
 set -euo pipefail
 
 networkName=$1
+YQ="${2:-yq}"
+
+subnet=`docker network inspect $networkName -f json | $YQ -r -o=json '.[].IPAM.Config.[] | select(.Gateway | test("^((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)\.?\b){4}$")).Subnet'`
+if [[ -z "$subnet" ]]; then
+   echo "Error: parsing IPv4 network address for '$networkName' docker network"
+   exit 1
+fi
 
-subnet=`docker network inspect $networkName -f '{{ (index .IPAM.Config 0).Subnet }}'`
 # shellcheck disable=SC2206
 subnetParts=(${subnet//./ })
 cidr="${subnetParts[0]}.${subnetParts[1]}.200.0/24"