unit tests: Fixes init and rejoin unit tests for Windows

cmd/kubeadm/app/cmd/init_test.go

@@ -42,7 +42,7 @@ localAPIEndpoint:
 bootstrapTokens:
 - token: "abcdef.0123456789abcdef"
 nodeRegistration:
-  criSocket: unix:///var/run/containerd/containerd.sock
+  criSocket: %s
   name: someName
   ignorePreflightErrors:
     - c
@@ -51,7 +51,7 @@ nodeRegistration:
 apiVersion: %[1]s
 kind: ClusterConfiguration
 controlPlaneEndpoint: "3.4.5.6"
-`, kubeadmapiv1.SchemeGroupVersion.String())
+`, kubeadmapiv1.SchemeGroupVersion.String(), expectedCRISocket)
 
 func TestNewInitData(t *testing.T) {
 	// create temp directory
@@ -113,7 +113,7 @@ func TestNewInitData(t *testing.T) {
 					cfg: &kubeadmapi.InitConfiguration{
 						NodeRegistration: kubeadmapi.NodeRegistrationOptions{
 							Name:                  "somename",
-							CRISocket:             "unix:///var/run/containerd/containerd.sock",
+							CRISocket:             expectedCRISocket,
 							IgnorePreflightErrors: []string{"c", "d"},
 							ImagePullPolicy:       "IfNotPresent",
 						},

cmd/kubeadm/app/cmd/join_test.go

@@ -48,12 +48,12 @@ discovery:
 controlPlane:
   certificateKey: c39a18bae4a72e71b178661f437363da218a3efb83ddb03f1cd91d9ae1da41bd
 nodeRegistration:
-  criSocket: unix:///var/run/containerd/containerd.sock
+  criSocket: %s
   name: someName
   ignorePreflightErrors:
     - c
     - d
-`, kubeadmapiv1.SchemeGroupVersion.String())
+`, kubeadmapiv1.SchemeGroupVersion.String(), expectedCRISocket)
 
 func TestNewJoinData(t *testing.T) {
 	// create temp directory
@@ -218,7 +218,7 @@ func TestNewJoinData(t *testing.T) {
 						TypeMeta: metav1.TypeMeta{Kind: "", APIVersion: ""},
 						NodeRegistration: kubeadmapi.NodeRegistrationOptions{
 							Name:                  "somename",
-							CRISocket:             "unix:///var/run/containerd/containerd.sock",
+							CRISocket:             expectedCRISocket,
 							IgnorePreflightErrors: []string{"c", "d"},
 							ImagePullPolicy:       "IfNotPresent",
 							Taints:                []v1.Taint{{Key: "node-role.kubernetes.io/control-plane", Effect: "NoSchedule"}},

cmd/kubeadm/app/cmd/util_other_test.go

@@ -0,0 +1,22 @@
+//go:build !windows
+// +build !windows
+
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cmd
+
+const expectedCRISocket = "unix://var/run/containerd/containerd.sock"

cmd/kubeadm/app/cmd/util_windows_test.go

@@ -0,0 +1,22 @@
+//go:build windows
+// +build windows
+
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cmd
+
+const expectedCRISocket = "npipe://./pipe/containerd-containerd"