Rename gotk binary to flux

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

cmd/flux/create_alertprovider.go

@@ -0,0 +1,190 @@
+/*
+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/spf13/cobra"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/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"
+	"github.com/fluxcd/pkg/apis/meta"
+	"github.com/fluxcd/toolkit/internal/utils"
+)
+
+var createAlertProviderCmd = &cobra.Command{
+	Use:   "alert-provider [name]",
+	Short: "Create or update a Provider resource",
+	Long:  "The create alert-provider command generates a Provider resource.",
+	Example: `  # Create a Provider for a Slack channel
+  flux create alert-provider slack \
+  --type slack \
+  --channel general \
+  --address https://hooks.slack.com/services/YOUR/SLACK/WEBHOOK \
+  --secret-ref webhook-url
+
+  # Create a Provider for a Github repository
+  flux create alert-provider github-podinfo \
+  --type github \
+  --address https://github.com/stefanprodan/podinfo \
+  --secret-ref github-token
+`,
+	RunE: createAlertProviderCmdRun,
+}
+
+var (
+	apType      string
+	apChannel   string
+	apUsername  string
+	apAddress   string
+	apSecretRef string
+)
+
+func init() {
+	createAlertProviderCmd.Flags().StringVar(&apType, "type", "", "type of provider")
+	createAlertProviderCmd.Flags().StringVar(&apChannel, "channel", "", "channel to send messages to in the case of a chat provider")
+	createAlertProviderCmd.Flags().StringVar(&apUsername, "username", "", "bot username used by the provider")
+	createAlertProviderCmd.Flags().StringVar(&apAddress, "address", "", "path to either the git repository, chat provider or webhook")
+	createAlertProviderCmd.Flags().StringVar(&apSecretRef, "secret-ref", "", "name of secret containing authentication token")
+	createCmd.AddCommand(createAlertProviderCmd)
+}
+
+func createAlertProviderCmdRun(cmd *cobra.Command, args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("Provider name is required")
+	}
+	name := args[0]
+
+	if apType == "" {
+		return fmt.Errorf("Provider type is required")
+	}
+
+	sourceLabels, err := parseLabels()
+	if err != nil {
+		return err
+	}
+
+	if !export {
+		logger.Generatef("generating Provider")
+	}
+
+	provider := notificationv1.Provider{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      name,
+			Namespace: namespace,
+			Labels:    sourceLabels,
+		},
+		Spec: notificationv1.ProviderSpec{
+			Type:     apType,
+			Channel:  apChannel,
+			Username: apUsername,
+			Address:  apAddress,
+		},
+	}
+
+	if apSecretRef != "" {
+		provider.Spec.SecretRef = &corev1.LocalObjectReference{
+			Name: apSecretRef,
+		}
+	}
+
+	if export {
+		return exportAlertProvider(provider)
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	kubeClient, err := utils.KubeClient(kubeconfig)
+	if err != nil {
+		return err
+	}
+
+	logger.Actionf("applying Provider")
+	namespacedName, err := upsertAlertProvider(ctx, kubeClient, &provider)
+	if err != nil {
+		return err
+	}
+
+	logger.Waitingf("waiting for Provider reconciliation")
+	if err := wait.PollImmediate(pollInterval, timeout,
+		isAlertProviderReady(ctx, kubeClient, namespacedName, &provider)); err != nil {
+		return err
+	}
+
+	logger.Successf("Provider %s is ready", name)
+
+	return nil
+}
+
+func upsertAlertProvider(ctx context.Context, kubeClient client.Client,
+	provider *notificationv1.Provider) (types.NamespacedName, error) {
+	namespacedName := types.NamespacedName{
+		Namespace: provider.GetNamespace(),
+		Name:      provider.GetName(),
+	}
+
+	var existing notificationv1.Provider
+	err := kubeClient.Get(ctx, namespacedName, &existing)
+	if err != nil {
+		if errors.IsNotFound(err) {
+			if err := kubeClient.Create(ctx, provider); err != nil {
+				return namespacedName, err
+			} else {
+				logger.Successf("Provider created")
+				return namespacedName, nil
+			}
+		}
+		return namespacedName, err
+	}
+
+	existing.Labels = provider.Labels
+	existing.Spec = provider.Spec
+	if err := kubeClient.Update(ctx, &existing); err != nil {
+		return namespacedName, err
+	}
+	provider = &existing
+	logger.Successf("Provider updated")
+	return namespacedName, nil
+}
+
+func isAlertProviderReady(ctx context.Context, kubeClient client.Client,
+	namespacedName types.NamespacedName, provider *notificationv1.Provider) wait.ConditionFunc {
+	return func() (bool, error) {
+		err := kubeClient.Get(ctx, namespacedName, provider)
+		if err != nil {
+			return false, err
+		}
+
+		if c := meta.GetCondition(provider.Status.Conditions, meta.ReadyCondition); c != nil {
+			switch c.Status {
+			case corev1.ConditionTrue:
+				return true, nil
+			case corev1.ConditionFalse:
+				return false, fmt.Errorf(c.Message)
+			}
+		}
+		return false, nil
+	}
+}