update kind and use with old storage class

e2e/Makefile

@@ -42,7 +42,7 @@ push: docker
 
 tools: docker
 	# install pinned version of 'kind'
-	GO111MODULE=on go get sigs.k8s.io/kind@v0.5.1
+	GO111MODULE=on go get sigs.k8s.io/kind@v0.8.1
 
 e2etest:
 	./run.sh

e2e/run.sh

@@ -35,11 +35,10 @@ function start_kind(){
     kind delete cluster --name ${cluster_name}
   fi
 
+  export KUBECONFIG="${kubeconfig_path}"
   kind create cluster --name ${cluster_name} --config kind-cluster-postgres-operator-e2e-tests.yaml
   kind load docker-image "${operator_image}" --name ${cluster_name}
   kind load docker-image "${e2e_test_image}" --name ${cluster_name}
-  KUBECONFIG="$(kind get kubeconfig-path --name=${cluster_name})"
-  export KUBECONFIG
 }
 
 function set_kind_api_server_ip(){
@@ -47,13 +46,12 @@ function set_kind_api_server_ip(){
   # but update the IP address of the API server to the one from the Docker 'bridge' network
   cp "${KUBECONFIG}" /tmp
   readonly local kind_api_server_port=6443 # well-known in the 'kind' codebase
-  readonly local kind_api_server=$(docker inspect --format "{{ .NetworkSettings.IPAddress }}:${kind_api_server_port}" "${cluster_name}"-control-plane)
+  readonly local kind_api_server=$(docker inspect --format "{{ .NetworkSettings.Networks.kind.IPAddress }}:${kind_api_server_port}" "${cluster_name}"-control-plane)
   sed -i "s/server.*$/server: https:\/\/$kind_api_server/g" "${kubeconfig_path}"
 }
 
 function run_tests(){
-
-  docker run --rm --mount type=bind,source="$(readlink -f ${kubeconfig_path})",target=/root/.kube/config -e OPERATOR_IMAGE="${operator_image}" "${e2e_test_image}"
+  docker run --rm --network kind --mount type=bind,source="$(readlink -f ${kubeconfig_path})",target=/root/.kube/config -e OPERATOR_IMAGE="${operator_image}" "${e2e_test_image}"
 }
 
 function clean_up(){

e2e/tests/test_e2e.py

@@ -54,7 +54,8 @@ class EndToEndTestCase(unittest.TestCase):
                          "configmap.yaml",
                          "postgres-operator.yaml",
                          "infrastructure-roles.yaml",
-                         "infrastructure-roles-new.yaml"]:
+                         "infrastructure-roles-new.yaml",
+                         "e2e-storage-class.yaml"]:
             result = k8s.create_with_kubectl("manifests/" + filename)
             print("stdout: {}, stderr: {}".format(result.stdout, result.stderr))