Add LOCAL_REGISTRY_INTERFACE option to bind the insecure docker registry to alternate NICs

Signed-off-by: Josh Kneubuhl <jkneubuh@us.ibm.com>

test-network-k8s/network

@@ -53,6 +53,7 @@ context LOG_FILE                      network.log
 context DEBUG_FILE                    network-debug.log
 context LOG_ERROR_LINES               2
 context LOCAL_REGISTRY_NAME           kind-registry
+context LOCAL_REGISTRY_INTERFACE      127.0.0.1
 context LOCAL_REGISTRY_PORT           5000
 context STAGE_DOCKER_IMAGES           false
 context NGINX_HTTP_PORT               80

test-network-k8s/scripts/kind.sh

@@ -80,11 +80,15 @@ function launch_docker_registry() {
   # create registry container unless it already exists
   local reg_name=${LOCAL_REGISTRY_NAME}
   local reg_port=${LOCAL_REGISTRY_PORT}
+  local reg_interface=${LOCAL_REGISTRY_INTERFACE}
 
   running="$(docker inspect -f '{{.State.Running}}' "${reg_name}" 2>/dev/null || true)"
   if [ "${running}" != 'true' ]; then
-    docker run \
-      -d --restart=always -p "127.0.0.1:${reg_port}:5000" --name "${reg_name}" \
+    docker run  \
+      --detach  \
+      --restart always \
+      --name    "${reg_name}" \
+      --publish "${reg_interface}:${reg_port}:5000" \
       registry:2
   fi