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210 lines
6.8 KiB
210 lines
6.8 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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"os"
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"strconv"
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"github.com/gosuri/uitable"
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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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"helm.sh/helm/v3/pkg/release"
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)
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var listHelp = `
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This command lists all of the releases for a specified namespace (uses current namespace context if namespace not specified).
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By default, it lists only releases that are deployed or failed. Flags like
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'--uninstalled' and '--all' will alter this behavior. Such flags can be combined:
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'--uninstalled --failed'.
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By default, items are sorted alphabetically. Use the '-d' flag to sort by
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release date.
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If the --filter flag is provided, it will be treated as a filter. Filters are
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regular expressions (Perl compatible) that are applied to the list of releases.
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Only items that match the filter will be returned.
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$ helm list --filter 'ara[a-z]+'
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NAME UPDATED CHART
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maudlin-arachnid Mon May 9 16:07:08 2016 alpine-0.1.0
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If no results are found, 'helm list' will exit 0, but with no output (or in
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the case of no '-q' flag, only headers).
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By default, up to 256 items may be returned. To limit this, use the '--max' flag.
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Setting '--max' to 0 will not return all results. Rather, it will return the
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server's default, which may be much higher than 256. Pairing the '--max'
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flag with the '--offset' flag allows you to page through results.
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`
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func newListCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
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client := action.NewList(cfg)
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var outfmt output.Format
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cmd := &cobra.Command{
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Use: "list",
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Short: "list releases",
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Long: listHelp,
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Aliases: []string{"ls"},
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Args: require.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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if client.AllNamespaces {
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if err := cfg.Init(settings.RESTClientGetter(), "", os.Getenv("HELM_DRIVER"), debug); err != nil {
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return err
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}
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}
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client.SetStateMask()
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results, err := client.Run()
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if err != nil {
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return err
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}
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if client.Short {
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names := make([]string, 0)
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for _, res := range results {
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names = append(names, res.Name)
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}
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outputFlag := cmd.Flag("output")
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switch outputFlag.Value.String() {
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case "json":
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output.EncodeJSON(out, names)
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return nil
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case "yaml":
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output.EncodeYAML(out, names)
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return nil
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case "table":
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for _, res := range results {
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fmt.Fprintln(out, res.Name)
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}
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return nil
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default:
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return outfmt.Write(out, newReleaseListWriter(results))
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}
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}
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return outfmt.Write(out, newReleaseListWriter(results))
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},
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}
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f := cmd.Flags()
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f.BoolVarP(&client.Short, "short", "q", false, "output short (quiet) listing format")
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f.BoolVarP(&client.ByDate, "date", "d", false, "sort by release date")
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f.BoolVarP(&client.SortReverse, "reverse", "r", false, "reverse the sort order")
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f.BoolVarP(&client.All, "all", "a", false, "show all releases without any filter applied")
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f.BoolVar(&client.Uninstalled, "uninstalled", false, "show uninstalled releases (if 'helm uninstall --keep-history' was used)")
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f.BoolVar(&client.Superseded, "superseded", false, "show superseded releases")
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f.BoolVar(&client.Uninstalling, "uninstalling", false, "show releases that are currently being uninstalled")
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f.BoolVar(&client.Deployed, "deployed", false, "show deployed releases. If no other is specified, this will be automatically enabled")
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f.BoolVar(&client.Failed, "failed", false, "show failed releases")
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f.BoolVar(&client.Pending, "pending", false, "show pending releases")
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f.BoolVarP(&client.AllNamespaces, "all-namespaces", "A", false, "list releases across all namespaces")
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f.IntVarP(&client.Limit, "max", "m", 256, "maximum number of releases to fetch")
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f.IntVar(&client.Offset, "offset", 0, "next release name in the list, used to offset from start value")
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f.StringVarP(&client.Filter, "filter", "f", "", "a regular expression (Perl compatible). Any releases that match the expression will be included in the results")
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bindOutputFlag(cmd, &outfmt)
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return cmd
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}
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type releaseElement struct {
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Name string `json:"name"`
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Namespace string `json:"namespace"`
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Revision string `json:"revision"`
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Updated string `json:"updated"`
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Status string `json:"status"`
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Chart string `json:"chart"`
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AppVersion string `json:"app_version"`
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}
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type releaseListWriter struct {
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releases []releaseElement
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}
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func newReleaseListWriter(releases []*release.Release) *releaseListWriter {
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// Initialize the array so no results returns an empty array instead of null
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elements := make([]releaseElement, 0, len(releases))
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for _, r := range releases {
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element := releaseElement{
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Name: r.Name,
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Namespace: r.Namespace,
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Revision: strconv.Itoa(r.Version),
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Status: r.Info.Status.String(),
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Chart: fmt.Sprintf("%s-%s", r.Chart.Metadata.Name, r.Chart.Metadata.Version),
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AppVersion: r.Chart.Metadata.AppVersion,
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}
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t := "-"
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if tspb := r.Info.LastDeployed; !tspb.IsZero() {
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t = tspb.String()
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}
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element.Updated = t
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elements = append(elements, element)
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}
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return &releaseListWriter{elements}
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}
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func (r *releaseListWriter) WriteTable(out io.Writer) error {
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table := uitable.New()
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table.AddRow("NAME", "NAMESPACE", "REVISION", "UPDATED", "STATUS", "CHART", "APP VERSION")
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for _, r := range r.releases {
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table.AddRow(r.Name, r.Namespace, r.Revision, r.Updated, r.Status, r.Chart, r.AppVersion)
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}
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return output.EncodeTable(out, table)
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}
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func (r *releaseListWriter) WriteJSON(out io.Writer) error {
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return output.EncodeJSON(out, r.releases)
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}
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func (r *releaseListWriter) WriteYAML(out io.Writer) error {
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return output.EncodeYAML(out, r.releases)
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}
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// Provide dynamic auto-completion for release names
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func compListReleases(toComplete string, cfg *action.Configuration) ([]string, completion.BashCompDirective) {
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completion.CompDebugln(fmt.Sprintf("compListReleases with toComplete %s", toComplete))
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client := action.NewList(cfg)
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client.All = true
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client.Limit = 0
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client.Filter = fmt.Sprintf("^%s", toComplete)
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client.SetStateMask()
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results, err := client.Run()
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if err != nil {
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return nil, completion.BashCompDirectiveDefault
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}
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var choices []string
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for _, res := range results {
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choices = append(choices, res.Name)
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}
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return choices, completion.BashCompDirectiveNoFileComp
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}
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