installer/config: add the role setup

    Now we support three roles `management`, `worker` and `witness`.
    We need to add the related label to make promote controller
    identify.

Signed-off-by: Vicente Cheng <vicente.cheng@suse.com>

pkg/config/constants.go

@@ -8,6 +8,8 @@ const (
 
 	RoleDefault = "default"
 	RoleWitness = "witness"
+	RoleMgmt    = "management"
+	RoleWorker  = "worker"
 
 	NetworkMethodDHCP   = "dhcp"
 	NetworkMethodStatic = "static"

pkg/console/install_panels.go

@@ -768,10 +768,16 @@ func addAskRolePanel(c *Console) error {
 		return []widgets.Option{
 			{
 				Value: config.RoleDefault,
-				Text:  "Default Role (Master or Worker)",
+				Text:  "Default Role (Management or Worker)",
+			}, {
+				Value: config.RoleMgmt,
+				Text:  "Management Role",
 			}, {
 				Value: config.RoleWitness,
 				Text:  "Witness Role",
+			}, {
+				Value: config.RoleWorker,
+				Text:  "Worker Role",
 			},
 		}, nil
 	}
@@ -1990,9 +1996,12 @@ func addInstallPanel(c *Console) error {
 			}
 
 			if alreadyInstalled {
-				configureInstalledNode(c.Gui, c.config, webhooks)
+				err = configureInstalledNode(c.Gui, c.config, webhooks)
 			} else {
-				doInstall(c.Gui, c.config, webhooks)
+				err = doInstall(c.Gui, c.config, webhooks)
+			}
+			if err != nil {
+				printToPanel(c.Gui, fmt.Sprintf("install failed: %s", err), installPanel)
 			}
 		}()
 		return c.setContentByName(footerPanel, "")

pkg/console/util.go

@@ -447,6 +447,28 @@ func saveTemp(obj interface{}, prefix string) (string, error) {
 	return tempFile.Name(), nil
 }
 
+func roleSetup(c *config.HarvesterConfig) error {
+	if c.Role == "" {
+		return nil
+	}
+	if c.Labels == nil {
+		c.Labels = make(map[string]string)
+	}
+	switch c.Role {
+	case config.RoleMgmt:
+		c.Labels[util.HarvesterMgmtNodeLabelKey] = "true"
+	case config.RoleWorker:
+		c.Labels[util.HarvesterWorkerNodeLabelKey] = "true"
+	case config.RoleWitness:
+		c.Labels[util.HarvesterWitnessNodeLabelKey] = "true"
+	case config.RoleDefault:
+		// do not set any label
+	default:
+		return fmt.Errorf("unknown role %s, please correct it!", c.Role)
+	}
+	return nil
+}
+
 func doInstall(g *gocui.Gui, hvstConfig *config.HarvesterConfig, webhooks RendererWebhooks) error {
 	ctx := context.TODO()
 	webhooks.Handle(EventInstallStarted)
@@ -457,11 +479,8 @@ func doInstall(g *gocui.Gui, hvstConfig *config.HarvesterConfig, webhooks Render
 	}
 
 	// specific the node label for the specific node role
-	if hvstConfig.Role == config.RoleWitness {
-		if hvstConfig.Labels == nil {
-			hvstConfig.Labels = make(map[string]string)
-		}
-		hvstConfig.Labels[util.HarvesterWitnessNodeLabelKey] = "true"
+	if err := roleSetup(hvstConfig); err != nil {
+		return err
 	}
 
 	env, elementalConfig, err := generateEnvAndConfig(g, hvstConfig)
@@ -777,11 +796,8 @@ func configureInstalledNode(g *gocui.Gui, hvstConfig *config.HarvesterConfig, we
 	webhooks.Handle(EventInstallStarted)
 
 	// specific the node label for the specific node role
-	if hvstConfig.Role == config.RoleWitness {
-		if hvstConfig.Labels == nil {
-			hvstConfig.Labels = make(map[string]string)
-		}
-		hvstConfig.Labels[util.HarvesterWitnessNodeLabelKey] = "true"
+	if err := roleSetup(hvstConfig); err != nil {
+		return err
 	}
 
 	// skip rancherd and network config in the cos config

pkg/util/common.go

@@ -7,6 +7,8 @@ import (
 var (
 	HarvesterNodeRoleLabelPrefix = "node-role.harvesterhci.io/"
 	HarvesterWitnessNodeLabelKey = HarvesterNodeRoleLabelPrefix + "witness"
+	HarvesterMgmtNodeLabelKey    = HarvesterNodeRoleLabelPrefix + "management"
+	HarvesterWorkerNodeLabelKey  = HarvesterNodeRoleLabelPrefix + "worker"
 
 	sizeRegexp = regexp.MustCompile(`^(\d+)(Mi|Gi)$`)
 )