update kubeadm

pkg/minikube/bootstrapper/kubeadm/versions.go

@@ -18,6 +18,7 @@ package kubeadm
 
 import (
 	"fmt"
+	"path/filepath"
 	"sort"
 	"strings"
 
@@ -169,12 +170,24 @@ var versionSpecificOpts = []VersionedExtraOption{
 		},
 		GreaterThanOrEqual: semver.MustParse("1.8.0-alpha.0"),
 	},
+	// Kubeconfig args
 	NewUnversionedOption(Kubelet, "kubeconfig", "/etc/kubernetes/kubelet.conf"),
+	NewUnversionedOption(Kubelet, "bootstrap-kubeconfig", "/etc/kubernetes/bootstrap-kubelet.conf"),
 	NewUnversionedOption(Kubelet, "require-kubeconfig", "true"),
+
+	// System pods args
 	NewUnversionedOption(Kubelet, "pod-manifest-path", "/etc/kubernetes/manifests"),
 	NewUnversionedOption(Kubelet, "allow-privileged", "true"),
-	NewUnversionedOption(Kubelet, "cluster-dns", "10.0.0.10"),
+
+	// Network args
+	NewUnversionedOption(Kubelet, "cluster-dns", "10.96.0.10"),
 	NewUnversionedOption(Kubelet, "cluster-domain", "cluster.local"),
+
+	// Auth args
+	NewUnversionedOption(Kubelet, "authorization-mode", "Webhook"),
+	NewUnversionedOption(Kubelet, "client-ca-file", filepath.Join(util.DefaultCertPath, "ca.crt")),
+
+	// Cgroup args
 	NewUnversionedOption(Kubelet, "cadvisor-port", "0"),
 	NewUnversionedOption(Kubelet, "cgroup-driver", "cgroupfs"),
 }

pkg/minikube/constants/constants.go

@@ -151,11 +151,6 @@ const (
 )
 
 func GetKubernetesReleaseURL(binaryName, version string) string {
-	// TODO(r2d4): change this to official releases when the alpha controlplane commands are released.
-	// We are working with unreleased kubeadm changes at HEAD.
-	if binaryName == "kubeadm" {
-		return "https://storage.googleapis.com/minikube/kubeadm/kubeadm"
-	}
 	return fmt.Sprintf("https://storage.googleapis.com/kubernetes-release/release/%s/bin/linux/amd64/%s", version, binaryName)
 }
 

test/integration/cluster_dns_test.go

@@ -65,7 +65,7 @@ func testClusterDNS(t *testing.T) {
 		t.Fatalf("running nslookup in pod:%s", err)
 	}
 	dnsOutput := string(dnsByteArr)
-	if !strings.Contains(dnsOutput, "10.0.0.1") || !strings.Contains(dnsOutput, "10.0.0.10") {
-		t.Errorf("DNS lookup failed, could not find both 10.0.0.1 and 10.0.0.10.  Output: %s", dnsOutput)
+	if !strings.Contains(dnsOutput, "Server") || !strings.Contains(dnsOutput, "Address 1") {
+		t.Errorf("DNS lookup failed, could not find dns server.  Output: %s", dnsOutput)
 	}
 }