review fixes

pkg/cmd/admin/image/verify-signature.go

@@ -79,7 +79,7 @@ func (o *VerifyImageSignatureOptions) Complete(f *clientcmd.Factory, cmd *cobra.
 	// .gnupg/pubring.gpg will be ignored.
 	if len(o.PublicKeyFilename) > 0 {
 		if o.Remove {
-			return kcmdutil.UsageError(cmd, "cannot use public key when removing verifications status")
+			return kcmdutil.UsageError(cmd, "cannot use public key when removing verification status")
 		}
 		if o.PublicKey, err = ioutil.ReadFile(o.PublicKeyFilename); err != nil {
 			return err
@@ -174,10 +174,10 @@ func (o *VerifyImageSignatureOptions) verifyImageIdentity(reference, digest stri
 	return nil
 }
 
-// removeImageSignature removes the current image signature from the Image object by
+// clearSignatureVerificationStatus removes the current image signature from the Image object by
 // erasing all signature fields that were previously set (when image signature was
 // previously verified).
-func (o *VerifyImageSignatureOptions) removeImageSignature(s *imageapi.ImageSignature) {
+func (o *VerifyImageSignatureOptions) clearSignatureVerificationStatus(s *imageapi.ImageSignature) {
 	s.Conditions = []imageapi.SignatureCondition{}
 	s.IssuedBy = nil
 }
@@ -196,7 +196,7 @@ func (o *VerifyImageSignatureOptions) Run() error {
 		// signatures.
 		// TODO: This should probably need to handle removal of a single signature.
 		if o.Remove {
-			o.removeImageSignature(&img.Signatures[i])
+			o.clearSignatureVerificationStatus(&img.Signatures[i])
 			continue
 		}
 
@@ -220,7 +220,7 @@ func (o *VerifyImageSignatureOptions) Run() error {
 		// If we have error and --confirm then remove the signature from the image which
 		// changes the image to "unverified" state.
 		if signatureErr != nil || signatureContentErr != nil || identityError != nil {
-			o.removeImageSignature(&img.Signatures[i])
+			o.clearSignatureVerificationStatus(&img.Signatures[i])
 			continue
 		}