Rename gotk binary to flux

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

cmd/flux/resume_receiver.go

@@ -0,0 +1,112 @@
+/*
+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/fluxcd/pkg/apis/meta"
+	"github.com/fluxcd/toolkit/internal/utils"
+
+	"github.com/spf13/cobra"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
+)
+
+var resumeReceiverCmd = &cobra.Command{
+	Use:   "receiver [name]",
+	Short: "Resume a suspended Receiver",
+	Long: `The resume command marks a previously suspended Receiver resource for reconciliation and waits for it to
+finish the apply.`,
+	Example: `  # Resume reconciliation for an existing Receiver
+  flux resume receiver main
+`,
+	RunE: resumeReceiverCmdRun,
+}
+
+func init() {
+	resumeCmd.AddCommand(resumeReceiverCmd)
+}
+
+func resumeReceiverCmdRun(cmd *cobra.Command, args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("Receiver 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 receiver notificationv1.Receiver
+	err = kubeClient.Get(ctx, namespacedName, &receiver)
+	if err != nil {
+		return err
+	}
+
+	logger.Actionf("resuming Receiver %s in %s namespace", name, namespace)
+	receiver.Spec.Suspend = false
+	if err := kubeClient.Update(ctx, &receiver); err != nil {
+		return err
+	}
+	logger.Successf("Receiver resumed")
+
+	logger.Waitingf("waiting for Receiver reconciliation")
+	if err := wait.PollImmediate(pollInterval, timeout,
+		isReceiverResumed(ctx, kubeClient, namespacedName, &receiver)); err != nil {
+		return err
+	}
+
+	logger.Successf("Receiver reconciliation completed")
+	return nil
+}
+
+func isReceiverResumed(ctx context.Context, kubeClient client.Client,
+	namespacedName types.NamespacedName, receiver *notificationv1.Receiver) wait.ConditionFunc {
+	return func() (bool, error) {
+		err := kubeClient.Get(ctx, namespacedName, receiver)
+		if err != nil {
+			return false, err
+		}
+
+		if c := meta.GetCondition(receiver.Status.Conditions, meta.ReadyCondition); c != nil {
+			switch c.Status {
+			case corev1.ConditionTrue:
+				return true, nil
+			case corev1.ConditionFalse:
+				if c.Reason == meta.SuspendedReason {
+					return false, nil
+				}
+				return false, fmt.Errorf(c.Message)
+			}
+		}
+		return false, nil
+	}
+}