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97 lines
2.6 KiB
97 lines
2.6 KiB
/*
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Copyright The Helm 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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"io"
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"github.com/spf13/cobra"
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"helm.sh/helm/v3/cmd/helm/require"
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"helm.sh/helm/v3/internal/completion"
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"helm.sh/helm/v3/pkg/action"
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"helm.sh/helm/v3/pkg/cli/output"
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)
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var getValuesHelp = `
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This command downloads a values file for a given release.
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`
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type valuesWriter struct {
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vals map[string]interface{}
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allValues bool
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}
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func newGetValuesCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
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var outfmt output.Format
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client := action.NewGetValues(cfg)
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cmd := &cobra.Command{
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Use: "values RELEASE_NAME",
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Short: "download the values file for a named release",
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Long: getValuesHelp,
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Args: require.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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vals, err := client.Run(args[0])
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if err != nil {
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return err
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}
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return outfmt.Write(out, &valuesWriter{vals, client.AllValues})
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},
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}
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// Function providing dynamic auto-completion
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completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
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if len(args) != 0 {
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return nil, completion.BashCompDirectiveNoFileComp
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}
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return compListReleases(toComplete, cfg)
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})
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f := cmd.Flags()
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f.IntVar(&client.Version, "revision", 0, "get the named release with revision")
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flag := f.Lookup("revision")
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completion.RegisterFlagCompletionFunc(flag, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
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if len(args) == 1 {
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return compListRevisions(cfg, args[0])
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}
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return nil, completion.BashCompDirectiveNoFileComp
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})
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f.BoolVarP(&client.AllValues, "all", "a", false, "dump all (computed) values")
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bindOutputFlag(cmd, &outfmt)
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return cmd
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}
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func (v valuesWriter) WriteTable(out io.Writer) error {
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if v.allValues {
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fmt.Fprintln(out, "COMPUTED VALUES:")
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} else {
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fmt.Fprintln(out, "USER-SUPPLIED VALUES:")
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}
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return output.EncodeYAML(out, v.vals)
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}
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func (v valuesWriter) WriteJSON(out io.Writer) error {
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return output.EncodeJSON(out, v.vals)
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}
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func (v valuesWriter) WriteYAML(out io.Writer) error {
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return output.EncodeYAML(out, v.vals)
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}
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