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87 lines
2.0 KiB
87 lines
2.0 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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"k8s.io/helm/cmd/helm/require"
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"k8s.io/helm/pkg/chartutil"
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"k8s.io/helm/pkg/helm"
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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 getValuesOptions struct {
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allValues bool // --all
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version int // --revision
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release string
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client helm.Interface
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}
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func newGetValuesCmd(client helm.Interface, out io.Writer) *cobra.Command {
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o := &getValuesOptions{client: client}
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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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o.release = args[0]
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o.client = ensureHelmClient(o.client, false)
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return o.run(out)
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},
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}
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cmd.Flags().BoolVarP(&o.allValues, "all", "a", false, "dump all (computed) values")
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cmd.Flags().IntVar(&o.version, "revision", 0, "get the named release with revision")
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return cmd
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}
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// getValues implements 'helm get values'
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func (o *getValuesOptions) run(out io.Writer) error {
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res, err := o.client.ReleaseContent(o.release, o.version)
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if err != nil {
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return err
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}
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// If the user wants all values, compute the values and return.
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if o.allValues {
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cfg, err := chartutil.CoalesceValues(res.Chart, res.Config)
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if err != nil {
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return err
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}
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cfgStr, err := cfg.YAML()
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if err != nil {
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return err
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}
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fmt.Fprintln(out, cfgStr)
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return nil
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}
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fmt.Fprintln(out, string(res.Config))
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return nil
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}
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