Add FlavorID to be set by openStackMachineSpecToOpenStackServerSpec

FlavorID can be used in stead of Flavor when specifying machine and server is then created succesfully as well.
Additional tests testing Flavor and FlavorID conversion from machine to server.

Signed-off-by: Siiri Kemppainen <siiri.kemppainen@est.tech>

Author: sirpaleet

controllers/openstackmachine_controller.go

@@ -484,6 +484,7 @@ func openStackMachineSpecToOpenStackServerSpec(openStackMachineSpec *infrav1.Ope
 		AdditionalBlockDevices:            openStackMachineSpec.AdditionalBlockDevices,
 		ConfigDrive:                       openStackMachineSpec.ConfigDrive,
 		Flavor:                            openStackMachineSpec.Flavor,
+		FlavorID:                          openStackMachineSpec.FlavorID,
 		IdentityRef:                       identityRef,
 		Image:                             openStackMachineSpec.Image,
 		RootVolume:                        openStackMachineSpec.RootVolume,

controllers/openstackmachine_controller_test.go

@@ -117,7 +117,7 @@ func TestOpenStackMachineSpecToOpenStackServerSpec(t *testing.T) {
 			},
 		},
 		{
-			name: "Test a OpenStackMachineSpec to OpenStackServerSpec conversion with an additional security group",
+			name: "Test an OpenStackMachineSpec to OpenStackServerSpec conversion with an additional security group",
 			spec: &infrav1.OpenStackMachineSpec{
 				Flavor:     ptr.To(flavorName),
 				Image:      image,
@@ -138,6 +138,42 @@ func TestOpenStackMachineSpecToOpenStackServerSpec(t *testing.T) {
 				UserDataRef: userData,
 			},
 		},
+		{
+			name: "Test an OpenStackMachineSpec to OpenStackServerSpec conversion with flavor and flavorID specified",
+			spec: &infrav1.OpenStackMachineSpec{
+				Flavor:     ptr.To(flavorName),
+				FlavorID:   ptr.To(flavorUUID),
+				Image:      image,
+				SSHKeyName: sshKeyName,
+			},
+			want: &infrav1alpha1.OpenStackServerSpec{
+				Flavor:      ptr.To(flavorName),
+				FlavorID:    ptr.To(flavorUUID),
+				IdentityRef: identityRef,
+				Image:       image,
+				SSHKeyName:  sshKeyName,
+				Ports:       portOpts,
+				Tags:        tags,
+				UserDataRef: userData,
+			},
+		},
+		{
+			name: "Test an OpenStackMachineSpec to OpenStackServerSpec conversion with flavorID specified but not flavor",
+			spec: &infrav1.OpenStackMachineSpec{
+				FlavorID:   ptr.To(flavorUUID),
+				Image:      image,
+				SSHKeyName: sshKeyName,
+			},
+			want: &infrav1alpha1.OpenStackServerSpec{
+				FlavorID:    ptr.To(flavorUUID),
+				IdentityRef: identityRef,
+				Image:       image,
+				SSHKeyName:  sshKeyName,
+				Ports:       portOpts,
+				Tags:        tags,
+				UserDataRef: userData,
+			},
+		},
 	}
 	for i := range tests {
 		tt := tests[i]