Add key action for + to do kubectl apply -f

Signed-off-by: Xiaodong Ye <yeahdongcn@gmail.com>

internal/client/gvr_test.go

@@ -37,7 +37,7 @@ func TestGVRCan(t *testing.T) {
 		"view":      {[]string{"get", "list", "watch"}, "view", true},
 		"delete":    {[]string{"delete", "list", "watch"}, "delete", true},
 		"no_delete": {[]string{"get", "list", "watch"}, "delete", false},
-		"edit":      {[]string{"path", "update", "watch"}, "edit", true},
+		"edit":      {[]string{"patch", "update", "watch"}, "edit", true},
 		"no_edit":   {[]string{"get", "list", "watch"}, "edit", false},
 	}
 

internal/ui/key.go

@@ -13,6 +13,7 @@ func initKeys() {
 	tcell.KeyNames[KeyHelp] = "?"
 	tcell.KeyNames[KeySlash] = "/"
 	tcell.KeyNames[KeySpace] = "space"
+	tcell.KeyNames[KeyPlus] = "+"
 
 	initNumbKeys()
 	initStdKeys()
@@ -80,6 +81,7 @@ const (
 	KeySlash = 47
 	KeyColon = 58
 	KeySpace = 32
+	KeyPlus  = 43
 )
 
 // Define Shift Keys.

internal/view/browser.go

@@ -4,8 +4,10 @@
 package view
 
 import (
+	"bytes"
 	"context"
 	"fmt"
+	"os"
 	"sort"
 	"strconv"
 	"strings"
@@ -23,6 +25,7 @@ import (
 	"github.com/derailed/tcell/v2"
 	"github.com/rs/zerolog/log"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/kubectl/pkg/cmd/util/editor"
 )
 
 // Browser represents a generic resource browser.
@@ -416,6 +419,52 @@ func (b *Browser) describeCmd(evt *tcell.EventKey) *tcell.EventKey {
 	return nil
 }
 
+func (b *Browser) applyCmd(evt *tcell.EventKey) *tcell.EventKey {
+	b.Stop()
+	defer b.Start()
+	{
+		a := b.app
+		a.Halt()
+		defer a.Resume()
+
+		var data []byte
+		var path string
+		var err error
+
+		if !a.Suspend(func() {
+			edit := editor.NewDefaultEditor([]string{})
+			buf := &bytes.Buffer{}
+			data, path, err = edit.LaunchTempFile("kubectl-apply-", ".yaml", buf)
+		}) {
+			time.AfterFunc(200*time.Millisecond, func() {
+				a.Flash().Errf("Failed to suspend the application")
+			})
+			return nil
+		}
+
+		defer os.Remove(path)
+		if err != nil {
+			time.AfterFunc(200*time.Millisecond, func() {
+				a.Flash().Errf("Failed to edit a temporary file: %s", err)
+			})
+		} else if len(data) > 0 {
+			args := make([]string, 0, 10)
+			args = append(args, "apply", "-f", path)
+			if err := runK(a, shellOpts{clear: true, args: args}); err != nil {
+				time.AfterFunc(200*time.Millisecond, func() {
+					a.Flash().Errf("Failed to apply resource: %s", err)
+				})
+			} else {
+				time.AfterFunc(200*time.Millisecond, func() {
+					a.Flash().Info("Resource applied successfully!")
+				})
+			}
+		}
+	}
+
+	return evt
+}
+
 func (b *Browser) editCmd(evt *tcell.EventKey) *tcell.EventKey {
 	path := b.GetSelectedItem()
 	if path == "" {
@@ -543,6 +592,11 @@ func (b *Browser) refreshActions() {
 						Visible:   true,
 						Dangerous: true,
 					}))
+				aa.Add(ui.KeyPlus, ui.NewKeyActionWithOpts("Apply", b.applyCmd,
+					ui.ActionOpts{
+						Visible:   true,
+						Dangerous: true,
+					}))
 			}
 			if client.Can(b.meta.Verbs, "delete") {
 				aa.Add(tcell.KeyCtrlD, ui.NewKeyActionWithOpts("Delete", b.deleteCmd,