Add key action for + to do kubectl apply -f

Signed-off-by: Xiaodong Ye <[email protected]>

internal/ui/key.go

@@ -10,6 +10,7 @@ func initKeys() {
  tcell.KeyNames[KeyHelp] = "?"
  tcell.KeyNames[KeySlash] = "/"
  tcell.KeyNames[KeySpace] = "space"
+ tcell.KeyNames[KeyPlus] = "+"
 
  initNumbKeys()
  initStdKeys()
@@ -77,6 +78,7 @@ const (
  KeySlash = 47
  KeyColon = 58
  KeySpace = 32
+ KeyPlus = 43
 )
 
 // Define Shift Keys.

internal/view/browser.go

@@ -1,8 +1,11 @@
 package view
 
 import (
+ "bytes"
  "context"
+ "errors"
  "fmt"
+ "os"
  "sort"
  "strconv"
  "strings"
@@ -20,6 +23,7 @@ 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.
@@ -359,6 +363,52 @@ 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().Err(errors.New("failed to suspend the application"))
+ })
+ return nil
+ }
+
+ defer os.Remove(path)
+ if err != nil {
+ time.AfterFunc(200*time.Millisecond, func() {
+ a.Flash().Err(fmt.Errorf("failed to edit a temporary file: %w", 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().Err(fmt.Errorf("failed to apply resource: %w", err))
+ })
+ } else {
+ time.AfterFunc(200*time.Millisecond, func() {
+ a.Flash().Infof("Resource applied successfully!")
+ })
+ }
+ }
+ }
+
+ return evt
+}
+
 func (b *Browser) editCmd(evt *tcell.EventKey) *tcell.EventKey {
  path := b.GetSelectedItem()
  if path == "" {
@@ -481,6 +531,7 @@ func (b *Browser) refreshActions() {
  if client.Can(b.meta.Verbs, "delete") {
  aa[tcell.KeyCtrlD] = ui.NewKeyAction("Delete", b.deleteCmd, true)
  }
+ aa[ui.KeyPlus] = ui.NewKeyAction("Apply", b.applyCmd, true)
  }
  }