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121 lines
3.0 KiB
Go
121 lines
3.0 KiB
Go
/*
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Copyright 2020 The Flux CD contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"context"
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"fmt"
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"github.com/spf13/cobra"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/yaml"
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kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1alpha1"
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)
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var exportKsCmd = &cobra.Command{
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Use: "kustomization [name]",
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Aliases: []string{"ks"},
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Short: "Export Kustomization resources in YAML format",
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Long: "The export kustomization command exports one or all Kustomization resources in YAML format.",
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Example: ` # Export all Kustomization resources
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gotk export kustomization --all > kustomizations.yaml
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# Export a Kustomization
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gotk export kustomization my-app > kustomization.yaml
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`,
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RunE: exportKsCmdRun,
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}
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func init() {
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exportCmd.AddCommand(exportKsCmd)
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}
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func exportKsCmdRun(cmd *cobra.Command, args []string) error {
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if !exportAll && len(args) < 1 {
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return fmt.Errorf("kustomization name is required")
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}
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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kubeClient, err := utils.kubeClient(kubeconfig)
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if err != nil {
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return err
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}
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if exportAll {
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var list kustomizev1.KustomizationList
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err = kubeClient.List(ctx, &list, client.InNamespace(namespace))
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if err != nil {
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return err
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}
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if len(list.Items) == 0 {
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logger.Failuref("no kustomizations found in %s namespace", namespace)
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return nil
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}
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for _, kustomization := range list.Items {
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if err := exportKs(kustomization); err != nil {
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return err
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}
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}
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} else {
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name := args[0]
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namespacedName := types.NamespacedName{
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Namespace: namespace,
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Name: name,
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}
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var kustomization kustomizev1.Kustomization
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err = kubeClient.Get(ctx, namespacedName, &kustomization)
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if err != nil {
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return err
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}
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return exportKs(kustomization)
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}
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return nil
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}
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func exportKs(kustomization kustomizev1.Kustomization) error {
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gvk := kustomizev1.GroupVersion.WithKind("Kustomization")
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export := kustomizev1.Kustomization{
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TypeMeta: metav1.TypeMeta{
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Kind: gvk.Kind,
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APIVersion: gvk.GroupVersion().String(),
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: kustomization.Name,
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Namespace: kustomization.Namespace,
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Labels: kustomization.Labels,
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Annotations: kustomization.Annotations,
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},
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Spec: kustomization.Spec,
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}
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data, err := yaml.Marshal(export)
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if err != nil {
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return err
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}
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fmt.Println("---")
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fmt.Println(string(data))
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return nil
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}
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