add stack info when upgrading a stack release

api/server/handlers/release/upgrade.go

@@ -141,6 +141,23 @@ func (c *UpgradeReleaseHandler) ServeHTTP(w http.ResponseWriter, r *http.Request
 		}
 	}
 
+	// check if release is part of a stack
+	stacks, err := c.Repo().Stack().ListStacks(cluster.ProjectID, cluster.ID, helmRelease.Namespace)
+
+	if err != nil {
+		c.HandleAPIError(w, r, apierrors.NewErrInternal(err))
+		return
+	}
+
+	for _, stk := range stacks {
+		for _, res := range stk.Revisions[0].Resources {
+			if res.Name == helmRelease.Name {
+				conf.Stack = stk
+				break
+			}
+		}
+	}
+
 	newHelmRelease, upgradeErr := helmAgent.UpgradeRelease(conf, request.Values, c.Config().DOConf)
 
 	if upgradeErr == nil && newHelmRelease != nil {

internal/helm/agent.go

@@ -166,6 +166,7 @@ type UpgradeReleaseConfig struct {
 	Cluster    *models.Cluster
 	Repo       repository.Repository
 	Registries []*models.Registry
+	Stack      *models.Stack
 
 	// Optional, if chart should be overriden
 	Chart *chart.Chart
@@ -222,6 +223,14 @@ func (a *Agent) UpgradeReleaseByValues(
 		return nil, err
 	}
 
+	if conf.Stack != nil {
+		conf.Values["stack"] = map[string]interface{}{
+			"enabled":  true,
+			"name":     conf.Stack.Name,
+			"revision": conf.Stack.Revisions[0].RevisionNumber,
+		}
+	}
+
 	res, err := cmd.Run(conf.Name, ch, conf.Values)
 
 	if err != nil {