remove v1alpha1 since we no longer supports k8s versio < 1.12

pkg/minikube/bootstrapper/bsutil/ktmpl/v1alpha1.go

@@ -1,45 +0,0 @@
-/*
-Copyright 2016 The Kubernetes Authors All rights reserved.
-
-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 ktmpl
-
-import "text/template"
-
-// V1Alpha1 is for Kubernetes v1.11
-var V1Alpha1 = template.Must(template.New("configTmpl-v1alpha1").Funcs(template.FuncMap{
-	"printMapInOrder": printMapInOrder,
-}).Parse(`apiVersion: kubeadm.k8s.io/v1alpha1
-kind: MasterConfiguration
-{{if .NoTaintMaster}}noTaintMaster: true{{end}}
-api:
-  advertiseAddress: {{.AdvertiseAddress}}
-  bindPort: {{.APIServerPort}}
-  controlPlaneEndpoint: {{.ControlPlaneAddress}}
-kubernetesVersion: {{.KubernetesVersion}}
-certificatesDir: {{.CertDir}}
-networking:
-  serviceSubnet: {{.ServiceCIDR}}
-etcd:
-  dataDir: {{.EtcdDataDir}}
-nodeName: "{{.NodeName}}"
-apiServerCertSANs: ["127.0.0.1", "localhost", "{{.AdvertiseAddress}}"]
-{{if .ImageRepository}}imageRepository: {{.ImageRepository}}
-{{end}}{{if .CRISocket}}criSocket: {{.CRISocket}}
-{{end}}{{range .ComponentOptions}}{{.Component}}ExtraArgs:{{range $i, $val := printMapInOrder .ExtraArgs ": " }}
-  {{$val}}{{end}}
-{{end}}{{if .FeatureArgs}}featureGates: {{range $i, $val := .FeatureArgs}}
-  {{$i}}: {{$val}}{{end}}
-{{end}}`))

pkg/minikube/bootstrapper/bsutil/kubeadm.go

@@ -110,10 +110,7 @@ func GenerateKubeadmYAML(cc config.ClusterConfig, n config.Node, r cruntime.Mana
 
 	opts.NoTaintMaster = true
 	b := bytes.Buffer{}
-	configTmpl := ktmpl.V1Alpha1
-	if version.GTE(semver.MustParse("1.12.0")) {
-		configTmpl = ktmpl.V1Alpha3
-	}
+	configTmpl := ktmpl.V1Alpha3
 	// v1beta1 works in v1.13, but isn't required until v1.14.
 	if version.GTE(semver.MustParse("1.14.0-alpha.0")) {
 		configTmpl = ktmpl.V1Beta1