kubeadm 883 Updated logging to be consistent. There where areas in kubeadm init…

cmd/kubeadm/app/cmd/join.go

@@ -331,7 +331,7 @@ func (j *Join) Run(out io.Writer) error {
 		}
 
 		// run kubeadm init preflight checks for checking all the prequisites
-		glog.Infoln("[join] running pre-flight checks before initializing the new control plane instance")
+		fmt.Printf("[join] running pre-flight checks before initializing the new control plane instance\n")
 		preflight.RunInitMasterChecks(utilsexec.New(), initConfiguration, j.ignorePreflightErrors)
 
 		// Prepares the node for hosting a new control plane instance by writing necessary

cmd/kubeadm/app/util/system/kernel_validator.go

@@ -78,7 +78,6 @@ func (k *KernelValidator) Validate(spec SysSpec) (error, error) {
 
 // validateKernelVersion validates the kernel version.
 func (k *KernelValidator) validateKernelVersion(kSpec KernelSpec) error {
-	glog.V(1).Info("Validating kernel version")
 	versionRegexps := kSpec.Versions
 	for _, versionRegexp := range versionRegexps {
 		r := regexp.MustCompile(versionRegexp)
@@ -93,7 +92,6 @@ func (k *KernelValidator) validateKernelVersion(kSpec KernelSpec) error {
 
 // validateKernelConfig validates the kernel configurations.
 func (k *KernelValidator) validateKernelConfig(kSpec KernelSpec) error {
-	glog.V(1).Info("Validating kernel config")
 	allConfig, err := k.getKernelConfig()
 	if err != nil {
 		return fmt.Errorf("failed to parse kernel config: %v", err)

cmd/kubeadm/app/util/system/validators.go

@@ -17,7 +17,7 @@ limitations under the License.
 package system
 
 import (
-	"github.com/golang/glog"
+	"fmt"
 	"k8s.io/apimachinery/pkg/util/errors"
 )
 
@@ -41,7 +41,7 @@ func Validate(spec SysSpec, validators []Validator) (error, error) {
 	var warns []error
 
 	for _, v := range validators {
-		glog.Infof("Validating %s...", v.Name())
+		fmt.Printf("Validating %s...\n", v.Name())
 		warn, err := v.Validate(spec)
 		errs = append(errs, err)
 		warns = append(warns, warn)