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pkg/minikube/bootstrapper/kubeadm/kubeadm.go

@@ -302,23 +302,6 @@ sudo systemctl start kubelet
 	return nil
 }
 
-func parseFeatureGates(featureGates string) (map[string]string, error) {
-	if featureGates == "" {
-		return nil, nil
-	}
-	fgMap := map[string]string{}
-	fg := strings.Split(featureGates, ",")
-	for _, f := range fg {
-		kv := strings.SplitN(f, "=", 2)
-		if len(kv) != 2 {
-			return nil, fmt.Errorf("Invalid feature gate format: %s", f)
-		}
-		fgMap[kv[0]] = kv[1]
-	}
-
-	return fgMap, nil
-}
-
 func generateConfig(k8s bootstrapper.KubernetesConfig) (string, error) {
 	version, err := ParseKubernetesVersion(k8s.KubernetesVersion)
 	if err != nil {

pkg/minikube/bootstrapper/kubeadm/kubeadm_test.go

@@ -17,7 +17,6 @@ limitations under the License.
 package kubeadm
 
 import (
-	"reflect"
 	"testing"
 
 	"k8s.io/minikube/pkg/minikube/bootstrapper"
@@ -233,54 +232,3 @@ schedulerExtraArgs:
 		})
 	}
 }
-
-func TestParseFeatureGates(t *testing.T) {
-	tests := []struct {
-		description string
-		fg          string
-		expected    map[string]string
-		shouldErr   bool
-	}{
-		{
-			description: "no feature gates",
-		},
-		{
-			description: "one feature gate",
-			fg:          "AppArmor=true",
-			expected: map[string]string{
-				"AppArmor": "true",
-			},
-		},
-		{
-			description: "two feature gates",
-			fg:          "AppArmor=true,HugePages=true",
-			expected: map[string]string{
-				"AppArmor":  "true",
-				"HugePages": "true",
-			},
-		},
-		{
-			description: "missing value pair",
-			fg:          "AppArmor=true,HugePages",
-			shouldErr:   true,
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.description, func(t *testing.T) {
-			actual, err := parseFeatureGates(test.fg)
-			t.Logf("%+v", actual)
-			if err == nil && test.shouldErr {
-				t.Errorf("Expected error but got none: fg: %v", actual)
-				return
-			}
-			if err != nil && !test.shouldErr {
-				t.Errorf("Unexpected error: %s", err)
-				return
-			}
-			if !reflect.DeepEqual(actual, test.expected) {
-				t.Errorf("Actual not equal expected: Actual: %v Expected: %v", actual, test.expected)
-			}
-		})
-	}
-}

pkg/minikube/bootstrapper/kubeadm/templates.go

@@ -40,31 +40,15 @@ nodeName: {{.NodeName}}
   {{$val}}{{end}}
 {{end}}`))
 
-var kubeletSystemdTemplate = template.Must(template.New("kubeletSystemdTemplate").Funcs(template.FuncMap{
-	"installWants": installWants,
-}).Parse(`
+var kubeletSystemdTemplate = template.Must(template.New("kubeletSystemdTemplate").Parse(`
 [Service]
 ExecStart=
 ExecStart=/usr/bin/kubelet {{.ExtraOptions}} {{if .FeatureGates}}--feature-gates={{.FeatureGates}}{{end}}
 
 [Install]
-{{installWants .ContainerRuntime}}
+{{if or (eq .ContainerRuntime "cri-o") (eq .ContainerRuntime "cri")}}Wants=crio.service{{else}}Wants=docker.socket{{end}}
 `))
 
-func installWants(containerRuntime string) string {
-	var wants string
-	switch containerRuntime {
-	case "":
-		wants = "docker.socket"
-	case "cri-o", "cri":
-		wants = "crio.service"
-	}
-	if wants != "" {
-		return fmt.Sprintf("Wants=%s", wants)
-	}
-	return ""
-}
-
 const kubeletService = `
 [Unit]
 Description=kubelet: The Kubernetes Node Agent