diff --git a/cli/command/formatter/formatter.go b/cli/command/formatter/formatter.go index 715e9ea62b..55c5ea6e02 100644 --- a/cli/command/formatter/formatter.go +++ b/cli/command/formatter/formatter.go @@ -19,7 +19,7 @@ const ( JSONFormatKey = "json" DefaultQuietFormat = "{{.ID}}" - jsonFormat = "{{json .}}" + JSONFormat = "{{json .}}" ) // Format is the format string rendered using the Context @@ -62,7 +62,7 @@ func (c *Context) preFormat() { case c.Format.IsTable(): c.finalFormat = c.finalFormat[len(TableFormatKey):] case c.Format.IsJSON(): - c.finalFormat = jsonFormat + c.finalFormat = JSONFormat } c.finalFormat = strings.Trim(c.finalFormat, " ") diff --git a/cli/command/system/info.go b/cli/command/system/info.go index 4bd3e03565..d30f8b2dfb 100644 --- a/cli/command/system/info.go +++ b/cli/command/system/info.go @@ -12,7 +12,9 @@ import ( pluginmanager "github.com/docker/cli/cli-plugins/manager" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command/completion" + "github.com/docker/cli/cli/command/formatter" "github.com/docker/cli/cli/debug" + flagsHelper "github.com/docker/cli/cli/flags" "github.com/docker/cli/templates" "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/swarm" @@ -62,10 +64,7 @@ func NewInfoCommand(dockerCli command.Cli) *cobra.Command { ValidArgsFunction: completion.NoComplete, } - flags := cmd.Flags() - - flags.StringVarP(&opts.format, "format", "f", "", "Format the output using the given Go template") - + cmd.Flags().StringVarP(&opts.format, "format", "f", "", flagsHelper.InspectFormatHelp) return cmd } @@ -507,6 +506,10 @@ func printServerWarningsLegacy(dockerCli command.Cli, info types.Info) { } func formatInfo(dockerCli command.Cli, info info, format string) error { + if format == formatter.JSONFormatKey { + format = formatter.JSONFormat + } + // Ensure slice/array fields render as `[]` not `null` if info.ClientInfo != nil && info.ClientInfo.Plugins == nil { info.ClientInfo.Plugins = make([]pluginmanager.Plugin, 0) diff --git a/cli/command/system/info_test.go b/cli/command/system/info_test.go index 199c93721d..5df964006f 100644 --- a/cli/command/system/info_test.go +++ b/cli/command/system/info_test.go @@ -396,6 +396,11 @@ func TestPrettyPrintInfo(t *testing.T) { assert.NilError(t, formatInfo(cli, tc.dockerInfo, "{{json .}}")) golden.Assert(t, cli.OutBuffer().String(), tc.jsonGolden+".json.golden") assert.Check(t, is.Equal("", cli.ErrBuffer().String())) + + cli = test.NewFakeCli(&fakeClient{}) + assert.NilError(t, formatInfo(cli, tc.dockerInfo, "json")) + golden.Assert(t, cli.OutBuffer().String(), tc.jsonGolden+".json.golden") + assert.Check(t, is.Equal("", cli.ErrBuffer().String())) } }) } diff --git a/cli/command/system/testdata/docker-client-version.json.golden b/cli/command/system/testdata/docker-client-version.json.golden new file mode 100644 index 0000000000..3a6688548b --- /dev/null +++ b/cli/command/system/testdata/docker-client-version.json.golden @@ -0,0 +1 @@ +{"Client":{"Platform":{"Name":""},"Version":"18.99.5-ce","ApiVersion":"1.38","DefaultAPIVersion":"1.38","GitCommit":"deadbeef","GoVersion":"go1.10.2","Os":"linux","Arch":"amd64","BuildTime":"Wed May 30 22:21:05 2018","Context":"my-context"},"Server":{"Platform":{"Name":"Docker Enterprise Edition (EE) 2.0"},"Components":[{"Name":"Engine","Version":"17.06.2-ee-15","Details":{"ApiVersion":"1.30","Arch":"amd64","BuildTime":"Mon Jul 9 23:38:38 2018","Experimental":"false","GitCommit":"64ddfa6","GoVersion":"go1.8.7","MinAPIVersion":"1.12","Os":"linux"}},{"Name":"Universal Control Plane","Version":"17.06.2-ee-15","Details":{"ApiVersion":"1.30","Arch":"amd64","BuildTime":"Mon Jul 2 21:24:07 UTC 2018","GitCommit":"4513922","GoVersion":"go1.9.4","MinApiVersion":"1.20","Os":"linux","Version":"3.0.3-tp2"}},{"Name":"Kubernetes","Version":"1.8+","Details":{"buildDate":"2018-04-26T16:51:21Z","compiler":"gc","gitCommit":"8d637aedf46b9c21dde723e29c645b9f27106fa5","gitTreeState":"clean","gitVersion":"v1.8.11-docker-8d637ae","goVersion":"go1.8.3","major":"1","minor":"8+","platform":"linux/amd64"}},{"Name":"Calico","Version":"v3.0.8","Details":{"cni":"v2.0.6","kube-controllers":"v2.0.5","node":"v3.0.8"}}],"Version":"","ApiVersion":"","GitCommit":"","GoVersion":"","Os":"","Arch":""}} diff --git a/cli/command/system/version.go b/cli/command/system/version.go index 3ead03215c..712f0a934c 100644 --- a/cli/command/system/version.go +++ b/cli/command/system/version.go @@ -11,7 +11,9 @@ import ( "github.com/docker/cli/cli" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command/completion" + "github.com/docker/cli/cli/command/formatter" "github.com/docker/cli/cli/command/formatter/tabwriter" + flagsHelper "github.com/docker/cli/cli/flags" "github.com/docker/cli/cli/version" "github.com/docker/cli/templates" "github.com/docker/docker/api/types" @@ -20,7 +22,7 @@ import ( "github.com/tonistiigi/go-rosetta" ) -var versionTemplate = `{{with .Client -}} +const defaultVersionTemplate = `{{with .Client -}} Client:{{if ne .Platform.Name ""}} {{.Platform.Name}}{{end}} Version: {{.Version}} API version: {{.APIVersion}}{{if ne .APIVersion .DefaultAPIVersion}} (downgraded from {{.DefaultAPIVersion}}){{end}} @@ -101,9 +103,7 @@ func NewVersionCommand(dockerCli command.Cli) *cobra.Command { ValidArgsFunction: completion.NoComplete, } - flags := cmd.Flags() - flags.StringVarP(&opts.format, "format", "f", "", "Format the output using the given Go template") - + cmd.Flags().StringVarP(&opts.format, "format", "f", "", flagsHelper.InspectFormatHelp) return cmd } @@ -194,8 +194,11 @@ func prettyPrintVersion(dockerCli command.Cli, vd versionInfo, tmpl *template.Te } func newVersionTemplate(templateFormat string) (*template.Template, error) { - if templateFormat == "" { - templateFormat = versionTemplate + switch templateFormat { + case "": + templateFormat = defaultVersionTemplate + case formatter.JSONFormatKey: + templateFormat = formatter.JSONFormat } tmpl := templates.New("version").Funcs(template.FuncMap{"getDetailsOrder": getDetailsOrder}) tmpl, err := tmpl.Parse(templateFormat) diff --git a/cli/command/system/version_test.go b/cli/command/system/version_test.go index 3ddf643290..5d7483c66c 100644 --- a/cli/command/system/version_test.go +++ b/cli/command/system/version_test.go @@ -6,12 +6,11 @@ import ( "strings" "testing" + "github.com/docker/cli/internal/test" + "github.com/docker/docker/api/types" "gotest.tools/v3/assert" is "gotest.tools/v3/assert/cmp" "gotest.tools/v3/golden" - - "github.com/docker/cli/internal/test" - "github.com/docker/docker/api/types" ) func TestVersionWithoutServer(t *testing.T) { @@ -30,7 +29,7 @@ func TestVersionWithoutServer(t *testing.T) { assert.Assert(t, !strings.Contains(out, "Server:"), "actual: %s", out) } -func TestVersionAlign(t *testing.T) { +func TestVersionFormat(t *testing.T) { vi := versionInfo{ Client: clientVersion{ Version: "18.99.5-ce", @@ -104,10 +103,28 @@ func TestVersionAlign(t *testing.T) { }, }) - cli := test.NewFakeCli(&fakeClient{}) - tmpl, err := newVersionTemplate("") - assert.NilError(t, err) - assert.NilError(t, prettyPrintVersion(cli, vi, tmpl)) - assert.Check(t, golden.String(cli.OutBuffer().String(), "docker-client-version.golden")) - assert.Check(t, is.Equal("", cli.ErrBuffer().String())) + t.Run("default", func(t *testing.T) { + cli := test.NewFakeCli(&fakeClient{}) + tmpl, err := newVersionTemplate("") + assert.NilError(t, err) + assert.NilError(t, prettyPrintVersion(cli, vi, tmpl)) + assert.Check(t, golden.String(cli.OutBuffer().String(), "docker-client-version.golden")) + assert.Check(t, is.Equal("", cli.ErrBuffer().String())) + }) + t.Run("json", func(t *testing.T) { + cli := test.NewFakeCli(&fakeClient{}) + tmpl, err := newVersionTemplate("json") + assert.NilError(t, err) + assert.NilError(t, prettyPrintVersion(cli, vi, tmpl)) + assert.Check(t, golden.String(cli.OutBuffer().String(), "docker-client-version.json.golden")) + assert.Check(t, is.Equal("", cli.ErrBuffer().String())) + }) + t.Run("json template", func(t *testing.T) { + cli := test.NewFakeCli(&fakeClient{}) + tmpl, err := newVersionTemplate("{{json .}}") + assert.NilError(t, err) + assert.NilError(t, prettyPrintVersion(cli, vi, tmpl)) + assert.Check(t, golden.String(cli.OutBuffer().String(), "docker-client-version.json.golden")) + assert.Check(t, is.Equal("", cli.ErrBuffer().String())) + }) } diff --git a/docs/reference/commandline/info.md b/docs/reference/commandline/info.md index 9a29bb358b..d9668c995b 100644 --- a/docs/reference/commandline/info.md +++ b/docs/reference/commandline/info.md @@ -9,9 +9,9 @@ Display system-wide information ### Options -| Name | Type | Default | Description | -|:---------------------------------------|:---------|:--------|:----------------------------------------------| -| [`-f`](#format), [`--format`](#format) | `string` | | Format the output using the given Go template | +| Name | Type | Default | Description | +|:---------------------------------------|:---------|:--------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| +| [`-f`](#format), [`--format`](#format) | `string` | | Format output using a custom template:
'json': Print in JSON format
'TEMPLATE': Print output using the given Go template.
Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates | diff --git a/docs/reference/commandline/system_info.md b/docs/reference/commandline/system_info.md index 8ef2093a07..e85ace3382 100644 --- a/docs/reference/commandline/system_info.md +++ b/docs/reference/commandline/system_info.md @@ -9,9 +9,9 @@ Display system-wide information ### Options -| Name | Type | Default | Description | -|:-----------------|:---------|:--------|:----------------------------------------------| -| `-f`, `--format` | `string` | | Format the output using the given Go template | +| Name | Type | Default | Description | +|:-----------------|:---------|:--------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| +| `-f`, `--format` | `string` | | Format output using a custom template:
'json': Print in JSON format
'TEMPLATE': Print output using the given Go template.
Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates | diff --git a/docs/reference/commandline/version.md b/docs/reference/commandline/version.md index 9128380c1e..60a6ba905d 100644 --- a/docs/reference/commandline/version.md +++ b/docs/reference/commandline/version.md @@ -5,9 +5,9 @@ Show the Docker version information ### Options -| Name | Type | Default | Description | -|:---------------------------------------|:---------|:--------|:----------------------------------------------| -| [`-f`](#format), [`--format`](#format) | `string` | | Format the output using the given Go template | +| Name | Type | Default | Description | +|:---------------------------------------|:---------|:--------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| +| [`-f`](#format), [`--format`](#format) | `string` | | Format output using a custom template:
'json': Print in JSON format
'TEMPLATE': Print output using the given Go template.
Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates |