cloudapi: enable masked services

Extend the cloudapi to accept masked systemd services as a
customization.

internal/cloudapi/v2/compose.go

@@ -176,6 +176,10 @@ func (request *ComposeRequest) GetCustomizationsFromBlueprintRequest() (*bluepri
 			servicesCustomization.Disabled = make([]string, len(*rbpc.Services.Disabled))
 			copy(servicesCustomization.Disabled, *rbpc.Services.Disabled)
 		}
+		if rbpc.Services.Masked != nil {
+			servicesCustomization.Masked = make([]string, len(*rbpc.Services.Masked))
+			copy(servicesCustomization.Masked, *rbpc.Services.Masked)
+		}
 		c.Services = servicesCustomization
 	}
 
@@ -657,6 +661,10 @@ func (request *ComposeRequest) GetBlueprintFromCustomizations() (blueprint.Bluep
 			servicesCustomization.Disabled = make([]string, len(*request.Customizations.Services.Disabled))
 			copy(servicesCustomization.Disabled, *request.Customizations.Services.Disabled)
 		}
+		if request.Customizations.Services.Masked != nil {
+			servicesCustomization.Masked = make([]string, len(*request.Customizations.Services.Masked))
+			copy(servicesCustomization.Masked, *request.Customizations.Services.Masked)
+		}
 		bp.Customizations.Services = servicesCustomization
 	}
 

internal/cloudapi/v2/compose_test.go

@@ -78,6 +78,7 @@ func GetTestBlueprint() blueprint.Blueprint {
 		Services: &blueprint.ServicesCustomization{
 			Enabled:  []string{"sshd"},
 			Disabled: []string{"cleanup"},
+			Masked:   []string{"firewalld"},
 		},
 		OpenSCAP: &blueprint.OpenSCAPCustomization{
 			ProfileID: "B 263-59",
@@ -198,6 +199,7 @@ func TestGetBlueprintFromCustomizations(t *testing.T) {
 		Services: &Services{
 			Disabled: &[]string{"cleanup"},
 			Enabled:  &[]string{"sshd"},
+			Masked:   &[]string{"firewalld"},
 		},
 		Openscap: &OpenSCAP{ProfileId: "B 263-59"},
 		CustomRepositories: &[]CustomRepository{
@@ -320,6 +322,7 @@ func TestGetBlueprintFromCompose(t *testing.T) {
 			Services: &Services{
 				Disabled: &[]string{"cleanup"},
 				Enabled:  &[]string{"sshd"},
+				Masked:   &[]string{"firewalld"},
 			},
 			Openscap: &BlueprintOpenSCAP{ProfileId: "B 263-59"},
 			Repositories: &[]BlueprintRepository{