Rename gotk binary to flux

Signed-off-by: Hidde Beydals <hello@hidde.co>

cmd/flux/delete_alert.go

@@ -0,0 +1,88 @@
+/*
+Copyright 2020 The Flux authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/manifoldco/promptui"
+	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/types"
+
+	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
+	"github.com/fluxcd/toolkit/internal/utils"
+)
+
+var deleteAlertCmd = &cobra.Command{
+	Use:   "alert [name]",
+	Short: "Delete a Alert resource",
+	Long:  "The delete alert command removes the given Alert from the cluster.",
+	Example: `  # Delete an Alert and the Kubernetes resources created by it
+  flux delete alert main
+`,
+	RunE: deleteAlertCmdRun,
+}
+
+func init() {
+	deleteCmd.AddCommand(deleteAlertCmd)
+}
+
+func deleteAlertCmdRun(cmd *cobra.Command, args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("alert name is required")
+	}
+	name := args[0]
+
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	kubeClient, err := utils.KubeClient(kubeconfig)
+	if err != nil {
+		return err
+	}
+
+	namespacedName := types.NamespacedName{
+		Namespace: namespace,
+		Name:      name,
+	}
+
+	var alert notificationv1.Alert
+	err = kubeClient.Get(ctx, namespacedName, &alert)
+	if err != nil {
+		return err
+	}
+
+	if !deleteSilent {
+		prompt := promptui.Prompt{
+			Label:     "Are you sure you want to delete this Alert",
+			IsConfirm: true,
+		}
+		if _, err := prompt.Run(); err != nil {
+			return fmt.Errorf("aborting")
+		}
+	}
+
+	logger.Actionf("deleting alert %s in %s namespace", name, namespace)
+	err = kubeClient.Delete(ctx, &alert)
+	if err != nil {
+		return err
+	}
+	logger.Successf("alert deleted")
+
+	return nil
+}