MYSQLCLUSTER-8607 Support tests in rootless podman

Podman allows running tests without requiring root access which improves
security and usability. Rootless podman requires, at least, version 1.23
of kind to run correctly.

Supporting rootless podman required:
- Using systemd-run to run the test suite as a transient service with
cgroups delegation enabled;
- Using fully qualified names for local images. Since podman implicitly
assumes that non-qualified image names refer to Docker repository, it
tries to pull local images from there causing failures during tests.
This situation can be prevented by using the 'localhost' prefix in
local image names.
- Adding 'list' to the available verbs of Persistent Volumes resource.

Change-Id: I2304ad9811aadcb15a123bb5427fd01f2651494a

Author: paulofasilva

Makefile

@@ -54,7 +54,7 @@ DOCKER_CMD := DOCKER_BUILDKIT=1 docker
 # Build NDB Operator container image
 .PHONY: operator-image
 operator-image: build
-	$(DOCKER_CMD) build -t mysql/ndb-operator:$(shell cat VERSION) -f docker/ndb-operator/Dockerfile .
+	$(DOCKER_CMD) build -t localhost/mysql/ndb-operator:$(shell cat VERSION) -f docker/ndb-operator/Dockerfile .
 
 # Build args to be passed to release docker build
 BUILD_ARGS := --build-arg gitCommit=$(GIT_COMMIT_ID)

e2e-tests/_config/k8s-deployment/01-e2e-tests-rbac.yaml

@@ -30,6 +30,7 @@ rules:
   - create
   - delete
   - get
+  - list
 
 - apiGroups:
   - ""

e2e-tests/run-e2e-test.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020, 2023, Oracle and/or its affiliates.
+// Copyright (c) 2020, 2024, Oracle and/or its affiliates.
 //
 // Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/
 
@@ -67,7 +67,7 @@ var kindK8sNodeImages = map[string]string{
 }
 
 var (
-	kindCmd = []string{"go", "run", "sigs.k8s.io/kind"}
+	kindCmd = []string{"systemd-run", "--scope", "--user", "-p", "Delegate=yes", "go", "run", "sigs.k8s.io/kind"}
 )
 
 // shortUUID returns a short UUID to be used by the methods
@@ -344,7 +344,7 @@ func (t *testRunner) init(ctx context.Context) {
 	t.testDir = filepath.Dir(currentFilePath)
 
 	// By default, use the latest e2e-tests image
-	t.e2eTestImageName = "e2e-tests"
+	t.e2eTestImageName = "localhost/e2e-tests"
 
 	// Run the pod in the default namespace
 	t.e2eTestPodNamespace = "default"
@@ -766,7 +766,7 @@ func (t *testRunner) loadImagesIntoK8sCluster() bool {
 		versionNumber := string(versionBytes)
 		// trim the newline from version
 		versionNumber = versionNumber[:len(versionNumber)-1]
-		options.ndbOperatorImage = "mysql/ndb-operator:" + versionNumber
+		options.ndbOperatorImage = "localhost/mysql/ndb-operator:" + versionNumber
 	}
 	if !t.p.loadImageIntoK8sCluster(t, options.ndbOperatorImage) {
 		return false
@@ -884,10 +884,10 @@ func init() {
 		"Enable this to run tests from outside the K8s cluster.\n"+
 			"By default, this is not enabled and the tests will be run as a pod from inside K8s Cluster.")
 
-	// use v1.21 as default kind k8s version
-	flag.StringVar(&options.kindK8sVersion, "kind-k8s-version", "1.21",
+	// use v1.23 as default kind k8s version
+	flag.StringVar(&options.kindK8sVersion, "kind-k8s-version", "1.23",
 		"Kind k8s version used to run tests.\n"+
-			"Example usage: -kind-k8s-version=1.20")
+			"Example usage: -kind-k8s-version=1.23")
 
 	// test suites to be run.
 	flag.StringVar(&options.suites, "suites", "",