Refresh the connection after the k8s migration

After the k8s migration the pod has been started again since the initial
connection creation. We need to reset the connection to not search for
the old pod name.

mgradm/cmd/migrate/kubernetes/utils.go

@@ -197,6 +197,8 @@ func migrateToKubernetes(
 		return err
 	}
 
+	// Reinitialize the connection since the pod name has changed since we first checked
+	cnx = shared.NewConnection("kubectl", "", shared_kubernetes.ServerFilter)
 	if err := cnx.CopyCaCertificate(fqdn); err != nil {
 		return utils.Errorf(err, L("failed to add SSL CA certificate to host trusted certificates"))
 	}

mgradm/shared/kubernetes/install.go

@@ -73,7 +73,7 @@ func Deploy(
 	return cnx.WaitForServer()
 }
 
-// DeployCertificate executre a deploy a new certificate given an helm.
+// DeployCertificate deploys a new SSL certificate.
 func DeployCertificate(helmFlags *cmd_utils.HelmFlags, sslFlags *cmd_utils.SslCertFlags, rootCa string,
 	ca *ssl.SslPair, kubeconfig string, fqdn string, imagePullPolicy string) ([]string, error) {
 	helmArgs := []string{}