[#394] plan list -o yaml changes

Added yaml output flag to show plan list in yaml format

Relates-To: #394
Co-authored By: Niharika Bhavaraju<niha.twinkle@gmail.com>
Change-Id: I8bed077573eb79783cfc77e4ebf82c819f41d125

cmd/plan/list.go

@@ -25,20 +25,35 @@ const (
 	listLong = `
 List life-cycle plans which were defined in document model.
 `
+	listExample = `
+#list plan
+airshipctl plan list
+
+#list plan(yaml output format)
+airshipctl plan list -o yaml
+
+#list plan(table output format)
+airshipctl plan list -o table`
 )
 
 // NewListCommand creates a command which prints available phase plans
 func NewListCommand(cfgFactory config.Factory) *cobra.Command {
-	planCmd := &phase.PlanListCommand{Factory: cfgFactory}
+	p := &phase.PlanListCommand{Factory: cfgFactory}
 
 	listCmd := &cobra.Command{
-		Use:   "list",
-		Short: "List plans",
-		Long:  listLong[1:],
+		Use:     "list",
+		Short:   "List plans",
+		Long:    listLong[1:],
+		Example: listExample,
 		RunE: func(cmd *cobra.Command, args []string) error {
-			planCmd.Writer = cmd.OutOrStdout()
-			return planCmd.RunE()
+			p.Writer = cmd.OutOrStdout()
+			return p.RunE()
 		},
 	}
+	flags := listCmd.Flags()
+	flags.StringVarP(&p.Options.FormatType,
+		"output", "o", "table", "'table' "+
+			"and 'yaml' are available "+
+			"output formats")
 	return listCmd
 }

cmd/plan/testdata/TestNewListCommandGoldenOutput/plan-list-cmd-with-help.golden

@@ -3,5 +3,17 @@ List life-cycle plans which were defined in document model.
 Usage:
   list [flags]
 
+Examples:
+
+#list plan
+airshipctl plan list
+
+#list plan(yaml output format)
+airshipctl plan list -o yaml
+
+#list plan(table output format)
+airshipctl plan list -o table
+
 Flags:
-  -h, --help   help for list
+  -h, --help            help for list
+  -o, --output string   'table' and 'yaml' are available output formats (default "table")

docs/source/cli/airshipctl_plan_list.md

@@ -11,10 +11,25 @@ List life-cycle plans which were defined in document model.
 airshipctl plan list [flags]
 ```
 
+### Examples
+
+```
+
+#list plan
+airshipctl plan list
+
+#list plan(yaml output format)
+airshipctl plan list -o yaml
+
+#list plan(table output format)
+airshipctl plan list -o table
+```
+
 ### Options
 
 ```
-  -h, --help   help for list
+  -h, --help            help for list
+  -o, --output string   'table' and 'yaml' are available output formats (default "table")
 ```
 
 ### Options inherited from parent commands

pkg/phase/command.go

@@ -15,17 +15,12 @@
 package phase
 
 import (
-	"fmt"
 	"io"
 	"os"
 	"path/filepath"
 	"strings"
 	"time"
 
-	"k8s.io/apimachinery/pkg/runtime"
-	"sigs.k8s.io/cli-utils/pkg/print/table"
-
-	"opendev.org/airship/airshipctl/pkg/api/v1alpha1"
 	"opendev.org/airship/airshipctl/pkg/cluster/clustermap"
 	"opendev.org/airship/airshipctl/pkg/config"
 	"opendev.org/airship/airshipctl/pkg/document"
@@ -35,6 +30,13 @@ import (
 	"opendev.org/airship/airshipctl/pkg/util/yaml"
 )
 
+const (
+	// TableOutputFormat table
+	TableOutputFormat = "table"
+	// YamlOutputFormat yaml
+	YamlOutputFormat = "yaml"
+)
+
 // GenericRunFlags generic options for run command
 type GenericRunFlags struct {
 	DryRun  bool
@@ -85,7 +87,7 @@ type ListCommand struct {
 
 // RunE runs a phase list command
 func (c *ListCommand) RunE() error {
-	if c.OutputFormat != "table" && c.OutputFormat != "yaml" {
+	if c.OutputFormat != TableOutputFormat && c.OutputFormat != YamlOutputFormat {
 		return phaseerrors.ErrInvalidFormat{RequestedFormat: c.OutputFormat}
 	}
 	cfg, err := c.Factory()
@@ -103,7 +105,7 @@ func (c *ListCommand) RunE() error {
 	if err != nil {
 		return err
 	}
-	if c.OutputFormat == "table" {
+	if c.OutputFormat == TableOutputFormat {
 		return PrintPhaseListTable(c.Writer, phaseList)
 	}
 	return yaml.WriteOut(c.Writer, phaseList)
@@ -160,14 +162,23 @@ func (c *TreeCommand) RunE() error {
 	return nil
 }
 
+// PlanListFlags flags given for plan list command
+type PlanListFlags struct {
+	FormatType string
+}
+
 // PlanListCommand phase list command
 type PlanListCommand struct {
+	Options PlanListFlags
 	Factory config.Factory
 	Writer  io.Writer
 }
 
 // RunE runs a plan list command
 func (c *PlanListCommand) RunE() error {
+	if c.Options.FormatType != TableOutputFormat && c.Options.FormatType != YamlOutputFormat {
+		return phaseerrors.ErrInvalidFormat{RequestedFormat: c.Options.FormatType}
+	}
 	cfg, err := c.Factory()
 	if err != nil {
 		return err
@@ -178,42 +189,18 @@ func (c *PlanListCommand) RunE() error {
 		return err
 	}
 
-	phases, err := helper.ListPlans()
+	phasePlans, err := helper.ListPlans()
 	if err != nil {
 		return err
 	}
-
-	rt, err := util.NewResourceTable(phases, util.DefaultStatusFunction())
-	if err != nil {
-		return err
+	switch {
+	case c.Options.FormatType == YamlOutputFormat:
+		return yaml.WriteOut(c.Writer, phasePlans)
+	case c.Options.FormatType == TableOutputFormat:
+		return PrintPlanListTable(c.Writer, phasePlans)
+	default:
+		return PrintPlanListTable(c.Writer, phasePlans)
 	}
-
-	printer := util.DefaultTablePrinter(c.Writer, nil)
-	descriptionCol := table.ColumnDef{
-		ColumnName:   "description",
-		ColumnHeader: "DESCRIPTION",
-		ColumnWidth:  200,
-		PrintResourceFunc: func(w io.Writer, width int, r table.Resource) (int, error) {
-			rs := r.ResourceStatus()
-			if rs == nil {
-				return 0, nil
-			}
-			plan := &v1alpha1.PhasePlan{}
-			err := runtime.DefaultUnstructuredConverter.FromUnstructured(rs.Resource.Object, plan)
-			if err != nil {
-				return 0, err
-			}
-			txt := plan.Description
-			if len(txt) > width {
-				txt = txt[:width]
-			}
-			_, err = fmt.Fprint(w, txt)
-			return len(txt), err
-		},
-	}
-	printer.Columns = append(printer.Columns, descriptionCol)
-	printer.PrintTable(rt, 0)
-	return nil
 }
 
 // PlanRunFlags options for phase run command
@@ -258,7 +245,7 @@ type ClusterListCommand struct {
 
 // RunE executes cluster list command
 func (c *ClusterListCommand) RunE() error {
-	if c.Format != "table" && c.Format != "name" {
+	if c.Format != TableOutputFormat && c.Format != "name" {
 		return phaseerrors.ErrInvalidOutputFormat{RequestedFormat: c.Format}
 	}
 	cfg, err := c.Factory()

pkg/phase/command_test.go

@@ -324,12 +324,25 @@ func TestTreeCommand(t *testing.T) {
 }
 
 func TestPlanListCommand(t *testing.T) {
+	yamlOutput := `---
+- apiVersion: airshipit.org/v1alpha1
+  description: Default phase plan
+  kind: PhasePlan
+  metadata:
+    creationTimestamp: null
+    name: phasePlan
+  phases:
+  - name: phase
+...
+`
 	testErr := fmt.Errorf(testFactoryErr)
 	testCases := []struct {
-		name        string
-		factory     config.Factory
-		expectedOut [][]byte
-		expectedErr string
+		name         string
+		factory      config.Factory
+		expectedOut  [][]byte
+		expectedErr  string
+		Format       string
+		expectedYaml string
 	}{
 		{
 			name: "Error config factory",
@@ -338,13 +351,27 @@ func TestPlanListCommand(t *testing.T) {
 			},
 			expectedErr: testFactoryErr,
 			expectedOut: [][]byte{{}},
+			Format:      "table",
+		},
+		{
+			name: "Error new helper",
+			factory: func() (*config.Config, error) {
+				return &config.Config{
+					CurrentContext: "does not exist",
+					Contexts:       make(map[string]*config.Context),
+				}, nil
+			},
+			expectedErr: testNewHelperErr,
+			Format:      "table",
+			expectedOut: [][]byte{{}},
 		},
+
 		{
 			name: "List phases",
 			factory: func() (*config.Config, error) {
 				conf := config.NewConfig()
 				manifest := conf.Manifests[config.AirshipDefaultManifest]
-				manifest.TargetPath = "testdata"
+				manifest.TargetPath = testTargetPath
 				manifest.MetadataPath = testMetadataPath
 				manifest.Repositories[config.DefaultTestPhaseRepo].URLString = ""
 				return conf, nil
@@ -359,6 +386,20 @@ func TestPlanListCommand(t *testing.T) {
 					"                              "),
 				{},
 			},
+			Format: "table",
+		},
+		{
+			name: "Valid yaml input format",
+			factory: func() (*config.Config, error) {
+				conf := config.NewConfig()
+				manifest := conf.Manifests[config.AirshipDefaultManifest]
+				manifest.TargetPath = testTargetPath
+				manifest.MetadataPath = "metadata.yaml"
+				manifest.Repositories[config.DefaultTestPhaseRepo].URLString = ""
+				return conf, nil
+			},
+			Format:       "yaml",
+			expectedYaml: yamlOutput,
 		},
 	}
 	for _, tc := range testCases {
@@ -368,6 +409,7 @@ func TestPlanListCommand(t *testing.T) {
 			cmd := phase.PlanListCommand{
 				Factory: tt.factory,
 				Writer:  buf,
+				Options: phase.PlanListFlags{FormatType: tt.Format},
 			}
 			err := cmd.RunE()
 			if tt.expectedErr != "" {
@@ -377,8 +419,13 @@ func TestPlanListCommand(t *testing.T) {
 				assert.NoError(t, err)
 			}
 			out, err := ioutil.ReadAll(buf)
+			fmt.Print(string(out))
 			require.NoError(t, err)
-			assert.Equal(t, tt.expectedOut, bytes.Split(out, []byte("\n")))
+			if tt.Format == "yaml" {
+				assert.Equal(t, tt.expectedYaml, string(out))
+			} else {
+				assert.Equal(t, tt.expectedOut, bytes.Split(out, []byte("\n")))
+			}
 		})
 	}
 }
@@ -415,7 +462,7 @@ func TestPlanRunCommand(t *testing.T) {
 				conf.Manifests = map[string]*config.Manifest{
 					"manifest": {
 						MetadataPath:        testMetadataPath,
-						TargetPath:          "testdata",
+						TargetPath:          testTargetPath,
 						PhaseRepositoryName: config.DefaultTestPhaseRepo,
 						Repositories: map[string]*config.Repository{
 							config.DefaultTestPhaseRepo: {

pkg/phase/printers.go

@@ -101,3 +101,38 @@ func phaseFromResource(r table.Resource) (*v1alpha1.Phase, error) {
 	phase := &v1alpha1.Phase{}
 	return phase, runtime.DefaultUnstructuredConverter.FromUnstructured(rs.Resource.Object, phase)
 }
+
+//PrintPlanListTable prints plan list table
+func PrintPlanListTable(w io.Writer, phasePlans []*v1alpha1.PhasePlan) error {
+	rt, err := util.NewResourceTable(phasePlans, util.DefaultStatusFunction())
+	if err != nil {
+		return err
+	}
+
+	printer := util.DefaultTablePrinter(w, nil)
+	descriptionCol := table.ColumnDef{
+		ColumnName:   "description",
+		ColumnHeader: "DESCRIPTION",
+		ColumnWidth:  200,
+		PrintResourceFunc: func(w io.Writer, width int, r table.Resource) (int, error) {
+			rs := r.ResourceStatus()
+			if rs == nil {
+				return 0, nil
+			}
+			plan := &v1alpha1.PhasePlan{}
+			err := runtime.DefaultUnstructuredConverter.FromUnstructured(rs.Resource.Object, plan)
+			if err != nil {
+				return 0, err
+			}
+			txt := plan.Description
+			if len(txt) > width {
+				txt = txt[:width]
+			}
+			_, err = fmt.Fprintf(w, txt)
+			return len(txt), err
+		},
+	}
+	printer.Columns = append(printer.Columns, descriptionCol)
+	printer.PrintTable(rt, 0)
+	return nil
+}

pkg/phase/printers_test.go

@@ -20,6 +20,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
@@ -118,3 +119,60 @@ func TestDefaultStatusFunction(t *testing.T) {
 	rs := f(printable)
 	assert.Equal(t, expectedObj, rs.Resource.Object)
 }
+
+func TestPrintPlanListTable(t *testing.T) {
+	plans := []*v1alpha1.PhasePlan{
+		{
+			TypeMeta: metav1.TypeMeta{
+				Kind: "PhasePlan",
+			},
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "p",
+			},
+			Description: "description",
+			Phases: []v1alpha1.PhaseStep{
+				{
+					Name: "phase",
+				},
+			},
+		},
+	}
+	tests := []struct {
+		name  string
+		plans []*v1alpha1.PhasePlan
+	}{
+		{
+			name:  "Success print plan list",
+			plans: plans,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			w := &bytes.Buffer{}
+			err := PrintPlanListTable(w, tt.plans)
+			require.NoError(t, err)
+		})
+	}
+}
+
+func TestDefaultStatusFunctionForPhasePlan(t *testing.T) {
+	f := util.DefaultStatusFunction()
+	expectedObj := map[string]interface{}{
+		"kind": "PhasePlan",
+		"metadata": map[string]interface{}{
+			"name":              "p1",
+			"creationTimestamp": nil,
+		},
+	}
+	printable := &v1alpha1.PhasePlan{
+		TypeMeta: metav1.TypeMeta{
+			Kind: "PhasePlan",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "p1",
+		},
+	}
+	rs := f(printable)
+	assert.Equal(t, expectedObj, rs.Resource.Object)
+}