k9s/internal/view/set_image_extender.go

137 lines
3.3 KiB
Go

package view
import (
"context"
"fmt"
"github.com/derailed/k9s/internal/dao"
"github.com/derailed/k9s/internal/ui"
"github.com/derailed/tview"
"github.com/gdamore/tcell"
"github.com/rs/zerolog/log"
corev1 "k8s.io/api/core/v1"
)
// SetImageExtender adds set image extensions
type SetImageExtender struct {
ResourceViewer
}
const setImageKey = "setImage"
func NewSetImageExtender(r ResourceViewer) ResourceViewer {
s := SetImageExtender{ResourceViewer: r}
s.bindKeys(s.Actions())
return &s
}
func (s *SetImageExtender) bindKeys(aa ui.KeyActions) {
aa.Add(ui.KeyActions{
ui.KeyI: ui.NewKeyAction("SetImage", s.setImageCmd, true),
})
}
func (s *SetImageExtender) setImageCmd(evt *tcell.EventKey) *tcell.EventKey {
path := s.GetTable().GetSelectedItem()
if path == "" {
return nil
}
s.Stop()
defer s.Start()
s.showSetImageDialog(path)
return nil
}
func (s *SetImageExtender) showSetImageDialog(path string) {
confirm := tview.NewModalForm("<Set image>", s.makeSetImageForm(path))
confirm.SetText(fmt.Sprintf("Set image %s %s", s.GVR(), path))
confirm.SetDoneFunc(func(int, string) {
s.dismissDialog()
})
s.App().Content.AddPage(setImageKey, confirm, false, false)
s.App().Content.ShowPage(setImageKey)
}
func (s *SetImageExtender) makeSetImageForm(sel string) *tview.Form {
f := s.makeStyledForm()
containers, err := s.getImages(sel)
if err != nil {
s.App().Flash().Err(err)
return nil
}
images := make(map[string]string)
for _, container := range *containers {
f.AddInputField(container.Name, container.Image, 0, nil, func(changed string) {
images[container.Name] = changed
})
}
f.AddButton("OK", func() {
defer s.dismissDialog()
if err != nil {
s.App().Flash().Err(err)
return
}
ctx, cancel := context.WithTimeout(context.Background(), s.App().Conn().Config().CallTimeout())
defer cancel()
if err := s.setImages(ctx, sel, images); err != nil {
log.Error().Err(err).Msgf("DP %s image update failed", sel)
s.App().Flash().Err(err)
} else {
s.App().Flash().Infof("Resource %s:%s image updated successfully", s.GVR(), sel)
}
})
f.AddButton("Cancel", func() {
s.dismissDialog()
})
return f
}
func (s *SetImageExtender) dismissDialog() {
s.App().Content.RemovePage(setImageKey)
}
func (s *SetImageExtender) makeStyledForm() *tview.Form {
f := tview.NewForm()
f.SetItemPadding(0)
f.SetButtonsAlign(tview.AlignCenter).
SetButtonBackgroundColor(tview.Styles.PrimitiveBackgroundColor).
SetButtonTextColor(tview.Styles.PrimaryTextColor).
SetLabelColor(tcell.ColorAqua).
SetFieldTextColor(tcell.ColorOrange)
return f
}
func (s *SetImageExtender) getImages(path string) (*[]corev1.Container, error) {
res, err := dao.AccessorFor(s.App().factory, s.GVR())
if err != nil {
return nil, err
}
podSpecable, ok := res.(dao.ContainsPodSpec)
if !ok {
return nil, fmt.Errorf("expecting a podSpecable resource for %q", s.GVR())
}
podSpec, err := podSpecable.GetPodSpec(path)
containers := podSpec.Containers
return &containers, nil
}
func (s *SetImageExtender) setImages(ctx context.Context, path string, images map[string]string) error {
res, err := dao.AccessorFor(s.App().factory, s.GVR())
if err != nil {
return err
}
deployment, ok := res.(dao.ContainsPodSpec)
if !ok {
return fmt.Errorf("expecting a scalable resource for %q", s.GVR())
}
return deployment.SetImages(ctx, path, images)
}