Rename gotk binary to flux

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

cmd/flux/reconcile_kustomization.go

@@ -0,0 +1,152 @@
+/*
+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"
+	"time"
+
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/client-go/util/retry"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	"github.com/fluxcd/pkg/apis/meta"
+	"github.com/fluxcd/toolkit/internal/utils"
+	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/wait"
+
+	kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta1"
+	sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
+)
+
+var reconcileKsCmd = &cobra.Command{
+	Use:     "kustomization [name]",
+	Aliases: []string{"ks"},
+	Short:   "Reconcile a Kustomization resource",
+	Long: `
+The reconcile kustomization command triggers a reconciliation of a Kustomization resource and waits for it to finish.`,
+	Example: `  # Trigger a Kustomization apply outside of the reconciliation interval
+  flux reconcile kustomization podinfo
+
+  # Trigger a sync of the Kustomization's source and apply changes
+  flux reconcile kustomization podinfo --with-source
+`,
+	RunE: reconcileKsCmdRun,
+}
+
+var (
+	syncKsWithSource bool
+)
+
+func init() {
+	reconcileKsCmd.Flags().BoolVar(&syncKsWithSource, "with-source", false, "reconcile Kustomization source")
+
+	reconcileCmd.AddCommand(reconcileKsCmd)
+}
+
+func reconcileKsCmdRun(cmd *cobra.Command, args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("Kustomization 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 kustomization kustomizev1.Kustomization
+	err = kubeClient.Get(ctx, namespacedName, &kustomization)
+	if err != nil {
+		return err
+	}
+
+	if syncKsWithSource {
+		switch kustomization.Spec.SourceRef.Kind {
+		case sourcev1.GitRepositoryKind:
+			err = reconcileSourceGitCmdRun(nil, []string{kustomization.Spec.SourceRef.Name})
+		case sourcev1.BucketKind:
+			err = reconcileSourceBucketCmdRun(nil, []string{kustomization.Spec.SourceRef.Name})
+		}
+		if err != nil {
+			return err
+		}
+	}
+
+	lastHandledReconcileAt := kustomization.Status.LastHandledReconcileAt
+	logger.Actionf("annotating Kustomization %s in %s namespace", name, namespace)
+	if err := requestKustomizeReconciliation(ctx, kubeClient, namespacedName, &kustomization); err != nil {
+		return err
+	}
+	logger.Successf("Kustomization annotated")
+
+	logger.Waitingf("waiting for Kustomization reconciliation")
+	if err := wait.PollImmediate(
+		pollInterval, timeout,
+		kustomizeReconciliationHandled(ctx, kubeClient, namespacedName, &kustomization, lastHandledReconcileAt),
+	); err != nil {
+		return err
+	}
+	logger.Successf("Kustomization reconciliation completed")
+
+	if c := meta.GetCondition(kustomization.Status.Conditions, meta.ReadyCondition); c != nil {
+		switch c.Status {
+		case corev1.ConditionFalse:
+			return fmt.Errorf("Kustomization reconciliation failed")
+		default:
+			logger.Successf("reconciled revision %s", kustomization.Status.LastAppliedRevision)
+		}
+	}
+	return nil
+}
+
+func kustomizeReconciliationHandled(ctx context.Context, kubeClient client.Client,
+	namespacedName types.NamespacedName, kustomization *kustomizev1.Kustomization, lastHandledReconcileAt string) wait.ConditionFunc {
+	return func() (bool, error) {
+		err := kubeClient.Get(ctx, namespacedName, kustomization)
+		if err != nil {
+			return false, err
+		}
+		return kustomization.Status.LastHandledReconcileAt != lastHandledReconcileAt, nil
+	}
+}
+
+func requestKustomizeReconciliation(ctx context.Context, kubeClient client.Client,
+	namespacedName types.NamespacedName, kustomization *kustomizev1.Kustomization) error {
+	return retry.RetryOnConflict(retry.DefaultBackoff, func() (err error) {
+		if err := kubeClient.Get(ctx, namespacedName, kustomization); err != nil {
+			return err
+		}
+		if kustomization.Annotations == nil {
+			kustomization.Annotations = map[string]string{
+				meta.ReconcileAtAnnotation: time.Now().Format(time.RFC3339Nano),
+			}
+		} else {
+			kustomization.Annotations[meta.ReconcileAtAnnotation] = time.Now().Format(time.RFC3339Nano)
+		}
+		return kubeClient.Update(ctx, kustomization)
+	})
+}