fix: disable gpg checks for https yum repos

Author: eliobischof

internal/operator/nodeagent/dep/k8s/common.go

@@ -55,7 +55,7 @@ name=Kubernetes
 baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
 enabled=1
 gpgcheck=1
-repo_gpgcheck=1
+repo_gpgcheck=0
 gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg`), 0644); err != nil {
 				return err
 			}

internal/operator/nodeagent/dep/package-manager-init.go

@@ -2,6 +2,7 @@ package dep
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"os"
 	"os/exec"
@@ -38,8 +39,23 @@ func (p *PackageManager) remSpecificInit() error {
 	)
 }
 
+func (p *PackageManager) remSpecificDisableGPGRepoCheckForGcloudRepo() error {
+
+	repoSpecPath := "/etc/yum.repos.d/google-cloud.repo"
+	if _, err := os.Stat(repoSpecPath); errors.Is(err, os.ErrNotExist) {
+		// Do nothing if repo file doesn't exist
+		return nil
+	}
+
+	return exec.Command("sed", "-i", "s/repo_gpgcheck=1/repo_gpgcheck=0/g", repoSpecPath).Run()
+}
+
 func (p *PackageManager) remSpecificUpdatePackages() error {
 
+	if err := p.remSpecificDisableGPGRepoCheckForGcloudRepo(); err != nil {
+		return err
+	}
+
 	conflictingCronFile := "/etc/cron.daily/yumupdate.sh"
 	removeConflictingCronFile := true
 	_, err := os.Stat(conflictingCronFile)