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81 lines
2.1 KiB
81 lines
2.1 KiB
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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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"errors"
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"fmt"
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"sync"
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"github.com/spf13/cobra"
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"k8s.io/helm/pkg/repo"
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)
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var verboseUpdate bool
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var updateCommand = &cobra.Command{
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Use: "update",
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Aliases: []string{"up"},
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Short: "update information on available charts in the chart repositories",
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RunE: runUpdate,
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}
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func init() {
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updateCommand.Flags().BoolVar(&verboseUpdate, "verbose", false, "verbose error messages")
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RootCommand.AddCommand(updateCommand)
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}
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func runUpdate(cmd *cobra.Command, args []string) error {
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f, err := repo.LoadRepositoriesFile(repositoriesFile())
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if err != nil {
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return err
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}
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if len(f.Repositories) == 0 {
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return errors.New("no repositories found. You must add one before updating")
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}
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updateCharts(f.Repositories, verboseUpdate)
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return nil
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}
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func updateCharts(repos map[string]string, verbose bool) {
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fmt.Println("Hang tight while we grab the latest from your chart repositories...")
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var wg sync.WaitGroup
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for name, url := range repos {
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wg.Add(1)
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go func(n, u string) {
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defer wg.Done()
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indexFileName := cacheDirectory(n + "-index.yaml")
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err := repo.DownloadIndexFile(n, u, indexFileName)
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if err != nil {
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updateErr := "...Unable to get an update from the " + n + " chart repository"
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if verbose {
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updateErr = updateErr + ": " + err.Error()
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}
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fmt.Println(updateErr)
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} else {
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fmt.Println("...Successfully got an update from the " + n + " chart repository")
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}
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}(name, url)
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}
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wg.Wait()
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fmt.Println("Update Complete. Happy Helming!")
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}
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