kubeadm: update versions for 1.19

Author: neolit123

cmd/kubeadm/app/constants/constants.go

@@ -428,13 +428,13 @@ var (
 	ControlPlaneComponents = []string{KubeAPIServer, KubeControllerManager, KubeScheduler}
 
 	// MinimumControlPlaneVersion specifies the minimum control plane version kubeadm can deploy
-	MinimumControlPlaneVersion = version.MustParseSemantic("v1.17.0")
+	MinimumControlPlaneVersion = version.MustParseSemantic("v1.18.0")
 
 	// MinimumKubeletVersion specifies the minimum version of kubelet which kubeadm supports
-	MinimumKubeletVersion = version.MustParseSemantic("v1.17.0")
+	MinimumKubeletVersion = version.MustParseSemantic("v1.18.0")
 
 	// CurrentKubernetesVersion specifies current Kubernetes version supported by kubeadm
-	CurrentKubernetesVersion = version.MustParseSemantic("v1.18.0")
+	CurrentKubernetesVersion = version.MustParseSemantic("v1.19.0")
 
 	// SupportedEtcdVersion lists officially supported etcd versions with corresponding Kubernetes releases
 	SupportedEtcdVersion = map[uint8]string{
@@ -445,6 +445,7 @@ var (
 		17: "3.4.3-0",
 		18: "3.4.3-0",
 		19: "3.4.7-0",
+		20: "3.4.7-0",
 	}
 
 	// KubeadmCertsClusterRoleName sets the name for the ClusterRole that allows