diff --git a/cmd/helm/get.go b/cmd/helm/get.go index 20a4c042f..6829122b7 100644 --- a/cmd/helm/get.go +++ b/cmd/helm/get.go @@ -41,10 +41,11 @@ chart, the supplied values, and the generated manifest file. var errReleaseRequired = errors.New("release name is required") type getCmd struct { - release string - out io.Writer - client helm.Interface - version int32 + release string + out io.Writer + client helm.Interface + version int32 + template string } func newGetCmd(client helm.Interface, out io.Writer) *cobra.Command { @@ -73,6 +74,7 @@ func newGetCmd(client helm.Interface, out io.Writer) *cobra.Command { f := cmd.Flags() settings.AddFlagsTLS(f) f.Int32Var(&get.version, "revision", 0, "get the named release with revision") + f.StringVar(&get.template, "template", "", "go template for formatting the output, eg: {{.Release.Name}}") cmd.AddCommand(newGetValuesCmd(nil, out)) cmd.AddCommand(newGetManifestCmd(nil, out)) @@ -91,5 +93,9 @@ func (g *getCmd) run() error { if err != nil { return prettyError(err) } + + if g.template != "" { + return tpl(g.template, res, g.out) + } return printRelease(g.out, res.Release) } diff --git a/cmd/helm/get_test.go b/cmd/helm/get_test.go index cb230a8a5..d83c85e1e 100644 --- a/cmd/helm/get_test.go +++ b/cmd/helm/get_test.go @@ -35,6 +35,13 @@ func TestGetCmd(t *testing.T) { expected: "REVISION: 1\nRELEASED: (.*)\nCHART: foo-0.1.0-beta.1\nUSER-SUPPLIED VALUES:\nname: \"value\"\nCOMPUTED VALUES:\nname: value\n\nHOOKS:\n---\n# pre-install-hook\n" + helm.MockHookTemplate + "\nMANIFEST:", rels: []*release.Release{helm.ReleaseMock(&helm.MockReleaseOptions{Name: "thomas-guide"})}, }, + { + name: "get with a formatted release", + resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "elevated-turkey"}), + args: []string{"elevated-turkey", "--template", "{{.Release.Chart.Metadata.Version}}"}, + expected: "0.1.0-beta.1", + rels: []*release.Release{helm.ReleaseMock(&helm.MockReleaseOptions{Name: "elevated-turkey"})}, + }, { name: "get requires release name arg", err: true, diff --git a/cmd/helm/printer.go b/cmd/helm/printer.go index e98b71c64..2f42bdab0 100644 --- a/cmd/helm/printer.go +++ b/cmd/helm/printer.go @@ -66,7 +66,7 @@ func printRelease(out io.Writer, rel *release.Release) error { return tpl(printReleaseTemplate, data, out) } -func tpl(t string, vals map[string]interface{}, out io.Writer) error { +func tpl(t string, vals interface{}, out io.Writer) error { tt, err := template.New("_").Parse(t) if err != nil { return err diff --git a/docs/helm/helm_get.md b/docs/helm/helm_get.md index 3b99c93d5..3ce0ff191 100644 --- a/docs/helm/helm_get.md +++ b/docs/helm/helm_get.md @@ -26,6 +26,7 @@ helm get [flags] RELEASE_NAME ``` -h, --help help for get --revision int32 get the named release with revision + --template string go template for formatting the output, eg: {{.Release.Name}} --tls enable TLS for request --tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem") --tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem") @@ -54,4 +55,4 @@ helm get [flags] RELEASE_NAME * [helm get notes](helm_get_notes.md) - displays the notes of the named release * [helm get values](helm_get_values.md) - download the values file for a named release -###### Auto generated by spf13/cobra on 1-Sep-2018 +###### Auto generated by spf13/cobra on 25-Mar-2019