Update conditions under which metal3 pod would be deployed

When the provisioning config is not present, there is no need for the
MAO to keep trying to deploy the metal3 pod.

pkg/operator/baremetal_config.go

@@ -34,6 +34,15 @@ type BaremetalProvisioningConfig struct {
 	ProvisioningOSDownloadURL string
 }
 
+func isBaremetalProvisioningConfigAvailable(dc dynamic.Interface, configName string) bool {
+	provisioningClient := dc.Resource(provisioningGVR)
+	_, err := provisioningClient.Get(context.Background(), configName, metav1.GetOptions{})
+	if err != nil {
+		return false
+	}
+	return true
+}
+
 func getBaremetalProvisioningConfig(dc dynamic.Interface, configName string) (BaremetalProvisioningConfig, error) {
 	provisioningClient := dc.Resource(provisioningGVR)
 	provisioningConfig, err := provisioningClient.Get(context.Background(), configName, metav1.GetOptions{})

pkg/operator/sync.go

@@ -52,9 +52,12 @@ func (optr *Operator) syncAll(config *OperatorConfig) error {
 	}
 	glog.V(3).Info("Synced up all machine-api-controller components")
 
-	// In addition, if the Provider is BareMetal, then bring up
-	// the baremetal-operator pod
+	// In addition, if the Provider is BareMetal, then imay have to deploy metal3 pod.
 	if config.BaremetalControllers.BaremetalOperator != "" {
+		if !isBaremetalProvisioningConfigAvailable(optr.dynamicClient, baremetalProvisioningCR) {
+			glog.V(3).Info("Not necessary to deploy metal3 pod for this baremetal install.")
+			return nil
+		}
 		if err := optr.syncBaremetalControllers(config); err != nil {
 			if err := optr.statusDegraded(err.Error()); err != nil {
 				// Just log the error here.  We still want to
@@ -118,8 +121,10 @@ func (optr *Operator) syncBaremetalControllers(config *OperatorConfig) error {
 	// Try to get baremetal provisioning config from a CR
 	baremetalProvisioningConfig, err := getBaremetalProvisioningConfig(optr.dynamicClient, baremetalProvisioningCR)
 	if err != nil {
+		// Could not read provisioning-configuration CR.
 		glog.Errorf("Unable to read Baremetal Provisioning config from CR %s.", baremetalProvisioningCR)
-		glog.Infof("Will try to read Baremetal Provisioning config from ConfigMap %s instead", baremetalConfigmap)
+		// This could be a Baremetal deployment that does not require metal3 pod to be deployed.
+		return nil
 	}
 	// Create a Secret needed for the Metal3 deployment
 	if err := createMariadbPasswordSecret(optr.kubeClient.CoreV1(), config); err != nil {