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9376c9a946
If implemented it will permit queriying the Kubernetes API to fetch the specified Flux Kustomization, then uses the specified path to build the overlay. It will then ssa-dry-run apply and output the diff using homeport/dyff Signed-off-by: Soule BA <soule@weave.works>
81 lines
2.4 KiB
Go
81 lines
2.4 KiB
Go
/*
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Copyright 2021 The Flux authors
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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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"fmt"
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"os"
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"github.com/spf13/cobra"
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"github.com/fluxcd/flux2/internal/kustomization"
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kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta2"
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)
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var buildKsCmd = &cobra.Command{
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Use: "kustomization",
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Aliases: []string{"ks"},
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Short: "Build Kustomization",
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Long: `The build command queries the Kubernetes API and fetches the specified Flux Kustomization.
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It then uses the fetched in cluster flux kustomization to perform needed transformation on the local kustomization.yaml
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pointed at by --path. The local kustomization.yaml is generated if it does not exist. Finally it builds the overlays using the local kustomization.yaml, and write the resulting multi-doc YAML to stdout.`,
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Example: `# Create a new overlay.
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flux build kustomization my-app --path ./path/to/local/manifests`,
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ValidArgsFunction: resourceNamesCompletionFunc(kustomizev1.GroupVersion.WithKind(kustomizev1.KustomizationKind)),
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RunE: buildKsCmdRun,
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}
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type buildKsFlags struct {
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path string
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}
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var buildKsArgs buildKsFlags
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func init() {
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buildKsCmd.Flags().StringVar(&buildKsArgs.path, "path", "", "Path to the manifests location.)")
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buildCmd.AddCommand(buildKsCmd)
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}
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func buildKsCmdRun(cmd *cobra.Command, args []string) error {
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if len(args) < 1 {
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return fmt.Errorf("%s name is required", kustomizationType.humanKind)
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}
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name := args[0]
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if buildKsArgs.path == "" {
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return fmt.Errorf("invalid resource path %q", buildKsArgs.path)
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}
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if fs, err := os.Stat(buildKsArgs.path); err != nil || !fs.IsDir() {
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return fmt.Errorf("invalid resource path %q", buildKsArgs.path)
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}
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builder, err := kustomization.NewBuilder(rootArgs.kubeconfig, rootArgs.kubecontext, rootArgs.namespace, name, buildKsArgs.path, kustomization.WithTimeout(rootArgs.timeout))
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if err != nil {
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return err
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}
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manifests, err := builder.Build()
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if err != nil {
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return err
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}
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cmd.Print(string(manifests))
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return nil
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}
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