Add support for Azure platform

pkg/controller/template/render.go

@@ -34,6 +34,7 @@ const (
 	unitsDir = "units"
 
 	platformAWS       = "aws"
+	platformAzure     = "azure"
 	platformOpenstack = "openstack"
 	platformLibvirt   = "libvirt"
 	platformNone      = "none"
@@ -119,7 +120,7 @@ func platformFromControllerConfigSpec(ic *mcfgv1.ControllerConfigSpec) (string,
 		return "", fmt.Errorf("cannot generateMachineConfigs with an empty platform field")
 	case platformBase:
 		return "", fmt.Errorf("platform _base unsupported")
-	case platformAWS, platformOpenstack, platformLibvirt, platformNone:
+	case platformAWS, platformAzure, platformOpenstack, platformLibvirt, platformNone:
 		// TODO: these constants are wrong, they should match what is reported by the infrastructure provider
 		return ic.Platform, nil
 	default:
@@ -348,6 +349,8 @@ func cloudProvider(cfg RenderConfig) (interface{}, error) {
 	switch cfg.Platform {
 	case platformAWS:
 		return platformAWS, nil
+	case platformAzure:
+		return platformAzure, nil
 	case platformOpenstack:
 		return platformOpenstack, nil
 	case platformVSphere:

pkg/operator/render.go

@@ -70,6 +70,8 @@ func createDiscoveredControllerConfigSpec(infra *configv1.Infrastructure, networ
 	switch infra.Status.Platform {
 	case configv1.AWSPlatform:
 		platform = "aws"
+	case configv1.AzurePlatform:
+		platform = "azure"
 	case configv1.OpenStackPlatform:
 		platform = "openstack"
 	case configv1.LibvirtPlatform: