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Merge pull request #27943 from ivan4th/refactor-printer-arguments

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Automatic merge from submit-queue

Refactor Printer arguments

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Fixes #21260
This commit is contained in:
k8s-merge-robot 2016-07-14 08:03:40 -07:00 committed by GitHub
commit 98d769cf3d
10 changed files with 106 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
pkg/kubectl/cmd/cmd_test.go
View File

@ -225,7 +225,7 @@ func NewTestFactory() (*cmdutil.Factory, *testFactory, runtime.Codec, runtime.Ne
Describer: func(*meta.RESTMapping) (kubectl.Describer, error) { Describer: func(*meta.RESTMapping) (kubectl.Describer, error) {
return t.Describer, t.Err return t.Describer, t.Err
}, },
Printer: func(mapping *meta.RESTMapping, noHeaders, withNamespace bool, wide bool, showAll bool, showLabels bool, absoluteTimestamps bool, columnLabels []string) (kubectl.ResourcePrinter, error) { Printer: func(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error) {
return t.Printer, t.Err return t.Printer, t.Err
}, },
Validator: func(validate bool, cacheDir string) (validation.Schema, error) { Validator: func(validate bool, cacheDir string) (validation.Schema, error) {
@ -295,7 +295,7 @@ func NewAPIFactory() (*cmdutil.Factory, *testFactory, runtime.Codec, runtime.Neg
Describer: func(*meta.RESTMapping) (kubectl.Describer, error) { Describer: func(*meta.RESTMapping) (kubectl.Describer, error) {
return t.Describer, t.Err return t.Describer, t.Err
}, },
Printer: func(mapping *meta.RESTMapping, noHeaders, withNamespace bool, wide bool, showAll bool, showLabels bool, absoluteTimestamps bool, columnLabels []string) (kubectl.ResourcePrinter, error) { Printer: func(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error) {
return t.Printer, t.Err return t.Printer, t.Err
}, },
Validator: func(validate bool, cacheDir string) (validation.Schema, error) { Validator: func(validate bool, cacheDir string) (validation.Schema, error) {
@ -371,7 +371,10 @@ func stringBody(body string) io.ReadCloser {
func Example_printReplicationControllerWithNamespace() { func Example_printReplicationControllerWithNamespace() {
f, tf, _, ns := NewAPIFactory() f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(false, true, false, false, false, false, []string{}) tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
WithNamespace: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{ tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns, NegotiatedSerializer: ns,
Client: nil, Client: nil,
@ -417,7 +420,10 @@ func Example_printReplicationControllerWithNamespace() {
func Example_printMultiContainersReplicationControllerWithWide() { func Example_printMultiContainersReplicationControllerWithWide() {
f, tf, _, ns := NewAPIFactory() f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(false, false, true, false, false, false, []string{}) tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
Wide: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{ tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns, NegotiatedSerializer: ns,
Client: nil, Client: nil,
@ -466,7 +472,9 @@ func Example_printMultiContainersReplicationControllerWithWide() {
func Example_printReplicationController() { func Example_printReplicationController() {
f, tf, _, ns := NewAPIFactory() f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(false, false, false, false, false, false, []string{}) tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{ tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns, NegotiatedSerializer: ns,
Client: nil, Client: nil,
@ -515,7 +523,10 @@ func Example_printReplicationController() {
func Example_printPodWithWideFormat() { func Example_printPodWithWideFormat() {
f, tf, _, ns := NewAPIFactory() f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(false, false, true, false, false, false, []string{}) tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
Wide: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{ tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns, NegotiatedSerializer: ns,
Client: nil, Client: nil,
@ -552,7 +563,10 @@ func Example_printPodWithWideFormat() {
func Example_printPodWithShowLabels() { func Example_printPodWithShowLabels() {
f, tf, _, ns := NewAPIFactory() f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(false, false, false, false, true, false, []string{}) tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
ShowLabels: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{ tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns, NegotiatedSerializer: ns,
Client: nil, Client: nil,
@ -684,7 +698,9 @@ func newAllPhasePodList() *api.PodList {
func Example_printPodHideTerminated() { func Example_printPodHideTerminated() {
f, tf, _, ns := NewAPIFactory() f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(false, false, false, false, false, false, []string{}) tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{ tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns, NegotiatedSerializer: ns,
Client: nil, Client: nil,
@ -705,7 +721,10 @@ func Example_printPodHideTerminated() {
func Example_printPodShowAll() { func Example_printPodShowAll() {
f, tf, _, ns := NewAPIFactory() f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(false, false, false, true, false, false, []string{}) tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
ShowAll: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{ tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns, NegotiatedSerializer: ns,
Client: nil, Client: nil,
@ -728,7 +747,10 @@ func Example_printPodShowAll() {
func Example_printServiceWithNamespacesAndLabels() { func Example_printServiceWithNamespacesAndLabels() {
f, tf, _, ns := NewAPIFactory() f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(false, true, false, false, false, false, []string{"l1"}) tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
WithNamespace: true,
ColumnLabels: []string{"l1"},
})
tf.Client = &fake.RESTClient{ tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns, NegotiatedSerializer: ns,
Client: nil, Client: nil,

4
pkg/kubectl/cmd/delete.go
View File

@ -78,7 +78,9 @@ func NewCmdDelete(f *cmdutil.Factory, out io.Writer) *cobra.Command {
// retrieve a list of handled resources from printer as valid args // retrieve a list of handled resources from printer as valid args
validArgs, argAliases := []string{}, []string{} validArgs, argAliases := []string{}, []string{}
p, err := f.Printer(nil, false, false, false, false, false, false, []string{}) p, err := f.Printer(nil, kubectl.PrintOptions{
ColumnLabels: []string{},
})
cmdutil.CheckErr(err) cmdutil.CheckErr(err)
if p != nil { if p != nil {
validArgs = p.HandledResources() validArgs = p.HandledResources()

4
pkg/kubectl/cmd/edit.go
View File

@ -93,7 +93,9 @@ func NewCmdEdit(f *cmdutil.Factory, out, errOut io.Writer) *cobra.Command {
// retrieve a list of handled resources from printer as valid args // retrieve a list of handled resources from printer as valid args
validArgs, argAliases := []string{}, []string{} validArgs, argAliases := []string{}, []string{}
p, err := f.Printer(nil, false, false, false, false, false, false, []string{}) p, err := f.Printer(nil, kubectl.PrintOptions{
ColumnLabels: []string{},
})
cmdutil.CheckErr(err) cmdutil.CheckErr(err)
if p != nil { if p != nil {
validArgs = p.HandledResources() validArgs = p.HandledResources()

4
pkg/kubectl/cmd/get.go
View File

@ -79,7 +79,9 @@ func NewCmdGet(f *cmdutil.Factory, out io.Writer) *cobra.Command {
// retrieve a list of handled resources from printer as valid args // retrieve a list of handled resources from printer as valid args
validArgs, argAliases := []string{}, []string{} validArgs, argAliases := []string{}, []string{}
p, err := f.Printer(nil, false, false, false, false, false, false, []string{}) p, err := f.Printer(nil, kubectl.PrintOptions{
ColumnLabels: []string{},
})
cmdutil.CheckErr(err) cmdutil.CheckErr(err)
if p != nil { if p != nil {
validArgs = p.HandledResources() validArgs = p.HandledResources()

4
pkg/kubectl/cmd/label.go
View File

@ -77,7 +77,9 @@ func NewCmdLabel(f *cmdutil.Factory, out io.Writer) *cobra.Command {
// retrieve a list of handled resources from printer as valid args // retrieve a list of handled resources from printer as valid args
validArgs, argAliases := []string{}, []string{} validArgs, argAliases := []string{}, []string{}
p, err := f.Printer(nil, false, false, false, false, false, false, []string{}) p, err := f.Printer(nil, kubectl.PrintOptions{
ColumnLabels: []string{},
})
cmdutil.CheckErr(err) cmdutil.CheckErr(err)
if p != nil { if p != nil {
validArgs = p.HandledResources() validArgs = p.HandledResources()

4
pkg/kubectl/cmd/patch.go
View File

@ -74,7 +74,9 @@ func NewCmdPatch(f *cmdutil.Factory, out io.Writer) *cobra.Command {
// retrieve a list of handled resources from printer as valid args // retrieve a list of handled resources from printer as valid args
validArgs, argAliases := []string{}, []string{} validArgs, argAliases := []string{}, []string{}
p, err := f.Printer(nil, false, false, false, false, false, false, []string{}) p, err := f.Printer(nil, kubectl.PrintOptions{
ColumnLabels: []string{},
})
cmdutil.CheckErr(err) cmdutil.CheckErr(err)
if p != nil { if p != nil {
validArgs = p.HandledResources() validArgs = p.HandledResources()

5
pkg/kubectl/cmd/taint.go
View File

@ -27,6 +27,7 @@ import (
"github.com/spf13/cobra" "github.com/spf13/cobra"
"k8s.io/kubernetes/pkg/api" "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/meta" "k8s.io/kubernetes/pkg/api/meta"
"k8s.io/kubernetes/pkg/kubectl"
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util" cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"k8s.io/kubernetes/pkg/kubectl/resource" "k8s.io/kubernetes/pkg/kubectl/resource"
"k8s.io/kubernetes/pkg/runtime" "k8s.io/kubernetes/pkg/runtime"
@ -72,7 +73,9 @@ func NewCmdTaint(f *cmdutil.Factory, out io.Writer) *cobra.Command {
// retrieve a list of handled resources from printer as valid args // retrieve a list of handled resources from printer as valid args
validArgs := []string{} validArgs := []string{}
p, err := f.Printer(nil, false, false, false, false, false, false, []string{}) p, err := f.Printer(nil, kubectl.PrintOptions{
ColumnLabels: []string{},
})
cmdutil.CheckErr(err) cmdutil.CheckErr(err)
if p != nil { if p != nil {
validArgs = p.HandledResources() validArgs = p.HandledResources()

16
pkg/kubectl/cmd/util/factory.go
View File

@ -99,7 +99,7 @@ type Factory struct {
// Returns a Describer for displaying the specified RESTMapping type or an error. // Returns a Describer for displaying the specified RESTMapping type or an error.
Describer func(mapping *meta.RESTMapping) (kubectl.Describer, error) Describer func(mapping *meta.RESTMapping) (kubectl.Describer, error)
// Returns a Printer for formatting objects of the given type or an error. // Returns a Printer for formatting objects of the given type or an error.
Printer func(mapping *meta.RESTMapping, noHeaders, withNamespace bool, wide bool, showAll bool, showLabels bool, absoluteTimestamps bool, columnLabels []string) (kubectl.ResourcePrinter, error) Printer func(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error)
// Returns a Scaler for changing the size of the specified RESTMapping type or an error // Returns a Scaler for changing the size of the specified RESTMapping type or an error
Scaler func(mapping *meta.RESTMapping) (kubectl.Scaler, error) Scaler func(mapping *meta.RESTMapping) (kubectl.Scaler, error)
// Returns a Reaper for gracefully shutting down resources. // Returns a Reaper for gracefully shutting down resources.
@ -417,8 +417,8 @@ func NewFactory(optionalClientConfig clientcmd.ClientConfig) *Factory {
JSONEncoder: func() runtime.Encoder { JSONEncoder: func() runtime.Encoder {
return api.Codecs.LegacyCodec(registered.EnabledVersions()...) return api.Codecs.LegacyCodec(registered.EnabledVersions()...)
}, },
Printer: func(mapping *meta.RESTMapping, noHeaders, withNamespace bool, wide bool, showAll bool, showLabels bool, absoluteTimestamps bool, columnLabels []string) (kubectl.ResourcePrinter, error) { Printer: func(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error) {
return kubectl.NewHumanReadablePrinter(noHeaders, withNamespace, wide, showAll, showLabels, absoluteTimestamps, columnLabels), nil return kubectl.NewHumanReadablePrinter(options), nil
}, },
MapBasedSelectorForObject: func(object runtime.Object) (string, error) { MapBasedSelectorForObject: func(object runtime.Object) (string, error) {
// TODO: replace with a swagger schema based approach (identify pod selector via schema introspection) // TODO: replace with a swagger schema based approach (identify pod selector via schema introspection)
@ -1220,7 +1220,15 @@ func (f *Factory) PrinterForMapping(cmd *cobra.Command, mapping *meta.RESTMappin
if err != nil { if err != nil {
columnLabel = []string{} columnLabel = []string{}
} }
printer, err = f.Printer(mapping, GetFlagBool(cmd, "no-headers"), withNamespace, GetWideFlag(cmd), GetFlagBool(cmd, "show-all"), GetFlagBool(cmd, "show-labels"), isWatch(cmd), columnLabel) printer, err = f.Printer(mapping, kubectl.PrintOptions{
NoHeaders: GetFlagBool(cmd, "no-headers"),
WithNamespace: withNamespace,
Wide: GetWideFlag(cmd),
ShowAll: GetFlagBool(cmd, "show-all"),
ShowLabels: GetFlagBool(cmd, "show-labels"),
AbsoluteTimestamps: isWatch(cmd),
ColumnLabels: columnLabel,
})
if err != nil { if err != nil {
return nil, err return nil, err
} }

14
pkg/kubectl/resource_printer.go
View File

@ -342,20 +342,10 @@ type HumanReadablePrinter struct {
} }
// NewHumanReadablePrinter creates a HumanReadablePrinter. // NewHumanReadablePrinter creates a HumanReadablePrinter.
func NewHumanReadablePrinter(noHeaders, withNamespace bool, wide bool, showAll bool, showLabels bool, absoluteTimestamps bool, columnLabels []string) *HumanReadablePrinter { func NewHumanReadablePrinter(options PrintOptions) *HumanReadablePrinter {
printer := &HumanReadablePrinter{ printer := &HumanReadablePrinter{
handlerMap: make(map[reflect.Type]*handlerEntry), handlerMap: make(map[reflect.Type]*handlerEntry),
Options: PrintOptions{ Options: options,
NoHeaders: noHeaders,
WithNamespace: withNamespace,
WithKind: false,
KindName: "",
Wide: wide,
ShowAll: showAll,
ShowLabels: showLabels,
AbsoluteTimestamps: absoluteTimestamps,
ColumnLabels: columnLabels,
},
} }
printer.addDefaultHandlers() printer.addDefaultHandlers()
return printer return printer

57
pkg/kubectl/resource_printer_test.go
View File

@ -231,7 +231,9 @@ func ErrorPrintHandler(obj *TestPrintType, w io.Writer, options PrintOptions) er
func TestCustomTypePrinting(t *testing.T) { func TestCustomTypePrinting(t *testing.T) {
columns := []string{"Data"} columns := []string{"Data"}
printer := NewHumanReadablePrinter(false, false, false, false, false, false, []string{}) printer := NewHumanReadablePrinter(PrintOptions{
ColumnLabels: []string{},
})
printer.Handler(columns, PrintCustomType) printer.Handler(columns, PrintCustomType)
obj := TestPrintType{"test object"} obj := TestPrintType{"test object"}
@ -248,7 +250,9 @@ func TestCustomTypePrinting(t *testing.T) {
func TestCustomTypePrintingWithKind(t *testing.T) { func TestCustomTypePrintingWithKind(t *testing.T) {
columns := []string{"Data"} columns := []string{"Data"}
printer := NewHumanReadablePrinter(false, false, false, false, false, false, []string{}) printer := NewHumanReadablePrinter(PrintOptions{
ColumnLabels: []string{},
})
printer.Handler(columns, PrintCustomType) printer.Handler(columns, PrintCustomType)
printer.Options.WithKind = true printer.Options.WithKind = true
printer.Options.KindName = "test" printer.Options.KindName = "test"
@ -267,7 +271,9 @@ func TestCustomTypePrintingWithKind(t *testing.T) {
func TestPrintHandlerError(t *testing.T) { func TestPrintHandlerError(t *testing.T) {
columns := []string{"Data"} columns := []string{"Data"}
printer := NewHumanReadablePrinter(false, false, false, false, false, false, []string{}) printer := NewHumanReadablePrinter(PrintOptions{
ColumnLabels: []string{},
})
printer.Handler(columns, ErrorPrintHandler) printer.Handler(columns, ErrorPrintHandler)
obj := TestPrintType{"test object"} obj := TestPrintType{"test object"}
buffer := &bytes.Buffer{} buffer := &bytes.Buffer{}
@ -278,7 +284,9 @@ func TestPrintHandlerError(t *testing.T) {
} }
func TestUnknownTypePrinting(t *testing.T) { func TestUnknownTypePrinting(t *testing.T) {
printer := NewHumanReadablePrinter(false, false, false, false, false, false, []string{}) printer := NewHumanReadablePrinter(PrintOptions{
ColumnLabels: []string{},
})
buffer := &bytes.Buffer{} buffer := &bytes.Buffer{}
err := printer.PrintObj(&TestUnknownType{}, buffer) err := printer.PrintObj(&TestUnknownType{}, buffer)
if err == nil { if err == nil {
@ -482,13 +490,18 @@ func TestPrinters(t *testing.T) {
t.Fatal(err) t.Fatal(err)
} }
printers := map[string]ResourcePrinter{ printers := map[string]ResourcePrinter{
"humanReadable": NewHumanReadablePrinter(true, false, false, false, false, false, []string{}), "humanReadable": NewHumanReadablePrinter(PrintOptions{
"humanReadableHeaders": NewHumanReadablePrinter(false, false, false, false, false, false, []string{}), NoHeaders: true,
"json": &JSONPrinter{}, ColumnLabels: []string{},
"yaml": &YAMLPrinter{}, }),
"template": templatePrinter, "humanReadableHeaders": NewHumanReadablePrinter(PrintOptions{
"template2": templatePrinter2, ColumnLabels: []string{},
"jsonpath": jsonpathPrinter, }),
"json": &JSONPrinter{},
"yaml": &YAMLPrinter{},
"template": templatePrinter,
"template2": templatePrinter2,
"jsonpath": jsonpathPrinter,
"name": &NamePrinter{ "name": &NamePrinter{
Typer: api.Scheme, Typer: api.Scheme,
Decoder: api.Codecs.UniversalDecoder(), Decoder: api.Codecs.UniversalDecoder(),
@ -526,7 +539,9 @@ func TestPrinters(t *testing.T) {
func TestPrintEventsResultSorted(t *testing.T) { func TestPrintEventsResultSorted(t *testing.T) {
// Arrange // Arrange
printer := NewHumanReadablePrinter(false /* noHeaders */, false, false, false, false, false, []string{}) printer := NewHumanReadablePrinter(PrintOptions{
ColumnLabels: []string{},
})
obj := api.EventList{ obj := api.EventList{
Items: []api.Event{ Items: []api.Event{
@ -570,7 +585,9 @@ func TestPrintEventsResultSorted(t *testing.T) {
} }
func TestPrintNodeStatus(t *testing.T) { func TestPrintNodeStatus(t *testing.T) {
printer := NewHumanReadablePrinter(false, false, false, false, false, false, []string{}) printer := NewHumanReadablePrinter(PrintOptions{
ColumnLabels: []string{},
})
table := []struct { table := []struct {
node api.Node node api.Node
status string status string
@ -694,7 +711,9 @@ func TestPrintHunmanReadableIngressWithColumnLabels(t *testing.T) {
}, },
} }
buff := bytes.Buffer{} buff := bytes.Buffer{}
printIngress(&ingress, &buff, PrintOptions{false, false, false, false, false, false, false, "", []string{"app_name"}}) printIngress(&ingress, &buff, PrintOptions{
ColumnLabels: []string{"app_name"},
})
output := string(buff.Bytes()) output := string(buff.Bytes())
appName := ingress.ObjectMeta.Labels["app_name"] appName := ingress.ObjectMeta.Labels["app_name"]
if !strings.Contains(output, appName) { if !strings.Contains(output, appName) {
@ -1001,7 +1020,10 @@ func TestPrintHumanReadableWithNamespace(t *testing.T) {
for _, test := range table { for _, test := range table {
if test.isNamespaced { if test.isNamespaced {
// Expect output to include namespace when requested. // Expect output to include namespace when requested.
printer := NewHumanReadablePrinter(false, true, false, false, false, false, []string{}) printer := NewHumanReadablePrinter(PrintOptions{
WithNamespace: true,
ColumnLabels: []string{},
})
buffer := &bytes.Buffer{} buffer := &bytes.Buffer{}
err := printer.PrintObj(test.obj, buffer) err := printer.PrintObj(test.obj, buffer)
if err != nil { if err != nil {
@ -1013,7 +1035,10 @@ func TestPrintHumanReadableWithNamespace(t *testing.T) {
} }
} else { } else {
// Expect error when trying to get all namespaces for un-namespaced object. // Expect error when trying to get all namespaces for un-namespaced object.
printer := NewHumanReadablePrinter(false, true, false, false, false, false, []string{}) printer := NewHumanReadablePrinter(PrintOptions{
WithNamespace: true,
ColumnLabels: []string{},
})
buffer := &bytes.Buffer{} buffer := &bytes.Buffer{}
err := printer.PrintObj(test.obj, buffer) err := printer.PrintObj(test.obj, buffer)
if err == nil { if err == nil {