Module deduplication invalidation, provisioning

server/compose/service/module.go

@@ -709,6 +709,10 @@ func (svc module) handleUpdate(ctx context.Context, upd *types.Module) moduleUpd
 			return moduleUnchanged, err
 		}
 
+		if err = validateModuleDedupRules(ctx, upd); err != nil {
+			return moduleUnchanged, ModuleErrDedupConfigurationInvalidMissingConstraint()
+		}
+
 		if !svc.ac.CanUpdateModule(ctx, res) {
 			return moduleUnchanged, ModuleErrNotAllowedToUpdate()
 		}
@@ -1094,6 +1098,10 @@ func loadModuleLabels(ctx context.Context, s store.Labels, set ...*types.Module)
 	return nil
 }
 
+func validateModuleDedupRules(ctx context.Context, m *types.Module) error {
+	return m.Config.RecordDeDup.Rules.Validate()
+}
+
 // DalModelReload reloads all defined compose modules into the DAL
 func DalModelReload(ctx context.Context, s store.Storer, am schemaAltManager, dmm dalModelManager) (err error) {
 	// Get all available namespaces

server/compose/service/module_actions.yaml

@@ -116,3 +116,7 @@ errors:
   - error: notAllowedToUndelete
     message: "not allowed to undelete this module"
     log: "could not undelete {{module}}; insufficient permissions"
+
+  - error: dedupConfigurationInvalidMissingConstraint
+    message: "invalid deduplication configuration - constraint not defined"
+    log: "missing constraint on deduplication configuration for module"