k9s/internal/render/screen_dump.go

62 lines
1.1 KiB
Go

package render
import (
"fmt"
"os"
"path/filepath"
"time"
"github.com/gdamore/tcell"
)
// ScreenDump renders a screendumps to screen.
type ScreenDump struct{}
// ColorerFunc colors a resource row.
func (ScreenDump) ColorerFunc() ColorerFunc {
return func(ns string, re RowEvent) tcell.Color {
return tcell.ColorNavajoWhite
}
}
type DecoratorFunc func(string) string
var ageDecorator = func(a string) string {
return toAgeHuman(a)
}
// Header returns a header row.
func (ScreenDump) Header(ns string) HeaderRow {
return HeaderRow{
Header{Name: "NAME"},
Header{Name: "AGE", Decorator: ageDecorator},
}
}
// Render renders a K8s resource to screen.
func (b ScreenDump) Render(o interface{}, ns string, r *Row) error {
f, ok := o.(ScreenDumper)
if !ok {
return fmt.Errorf("Expected string, but got %T", o)
}
r.ID = filepath.Join(f.GetDir(), f.GetFile().Name())
r.Fields = Fields{
f.GetFile().Name(),
timeToAge(f.GetFile().ModTime()),
}
return nil
}
// Helpers...
func timeToAge(timestamp time.Time) string {
return time.Since(timestamp).String()
}
type ScreenDumper interface {
GetFile() os.FileInfo
GetDir() string
}