136 lines
3.7 KiB
Go
136 lines
3.7 KiB
Go
package view
|
|
|
|
import (
|
|
"fmt"
|
|
"math"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/derailed/k9s/internal/port"
|
|
"github.com/derailed/k9s/internal/ui"
|
|
"github.com/derailed/tview"
|
|
"github.com/rs/zerolog/log"
|
|
)
|
|
|
|
const portForwardKey = "portforward"
|
|
|
|
// PortForwardCB represents a port-forward callback function.
|
|
type PortForwardCB func(ResourceViewer, string, port.PortTunnels) error
|
|
|
|
// ShowPortForwards pops a port forwarding configuration dialog.
|
|
func ShowPortForwards(v ResourceViewer, path string, ports port.ContainerPortSpecs, aa port.Annotations, okFn PortForwardCB) {
|
|
styles := v.App().Styles.Dialog()
|
|
|
|
f := tview.NewForm()
|
|
f.SetItemPadding(0)
|
|
f.SetButtonsAlign(tview.AlignCenter).
|
|
SetButtonBackgroundColor(styles.ButtonBgColor.Color()).
|
|
SetButtonTextColor(styles.ButtonFgColor.Color()).
|
|
SetLabelColor(styles.LabelFgColor.Color()).
|
|
SetFieldTextColor(styles.FieldFgColor.Color()).
|
|
SetFieldBackgroundColor(styles.BgColor.Color())
|
|
|
|
address := v.App().Config.CurrentCluster().PortForwardAddress
|
|
|
|
pf, err := aa.PreferredPorts(ports)
|
|
if err != nil {
|
|
log.Warn().Err(err).Msgf("unable to resolve ports on %s", path)
|
|
}
|
|
|
|
p1, p2 := pf.ToPortSpec(ports)
|
|
fieldLen := int(math.Max(30, float64(len(p1))))
|
|
f.AddInputField("Container Port:", p1, fieldLen, nil, nil)
|
|
f.AddInputField("Local Port:", p2, fieldLen, nil, nil)
|
|
coField := f.GetFormItemByLabel("Container Port:").(*tview.InputField)
|
|
loField := f.GetFormItemByLabel("Local Port:").(*tview.InputField)
|
|
if coField.GetText() == "" {
|
|
coField.SetPlaceholder("Enter a container name::port")
|
|
}
|
|
coField.SetChangedFunc(func(s string) {
|
|
port := extractPort(s)
|
|
loField.SetText(port)
|
|
p2 = port
|
|
})
|
|
if loField.GetText() == "" {
|
|
loField.SetPlaceholder("Enter a local port")
|
|
}
|
|
f.AddInputField("Address:", address, fieldLen, nil, func(h string) {
|
|
address = h
|
|
})
|
|
for i := 0; i < 3; i++ {
|
|
field, ok := f.GetFormItem(i).(*tview.InputField)
|
|
if !ok {
|
|
continue
|
|
}
|
|
field.SetLabelColor(styles.LabelFgColor.Color())
|
|
field.SetFieldTextColor(styles.FieldFgColor.Color())
|
|
}
|
|
|
|
f.AddButton("OK", func() {
|
|
if coField.GetText() == "" || loField.GetText() == "" {
|
|
v.App().Flash().Err(fmt.Errorf("container to local port mismatch"))
|
|
return
|
|
}
|
|
tt, err := port.ToTunnels(address, coField.GetText(), loField.GetText())
|
|
if err != nil {
|
|
v.App().Flash().Err(err)
|
|
return
|
|
}
|
|
if err := okFn(v, path, tt); err != nil {
|
|
v.App().Flash().Err(err)
|
|
}
|
|
})
|
|
pages := v.App().Content.Pages
|
|
f.AddButton("Cancel", func() {
|
|
DismissPortForwards(v, pages)
|
|
})
|
|
for i := 0; i < 2; i++ {
|
|
b := f.GetButton(i)
|
|
if b == nil {
|
|
continue
|
|
}
|
|
b.SetBackgroundColorActivated(styles.ButtonFocusBgColor.Color())
|
|
b.SetLabelColorActivated(styles.ButtonFocusFgColor.Color())
|
|
}
|
|
|
|
modal := tview.NewModalForm("<PortForward>", f)
|
|
msg := path
|
|
if len(ports) > 1 {
|
|
msg += "\n\nExposed Ports:\n" + ports.Dump()
|
|
}
|
|
modal.SetText(msg)
|
|
modal.SetTextColor(styles.FgColor.Color())
|
|
modal.SetBackgroundColor(styles.BgColor.Color())
|
|
modal.SetDoneFunc(func(_ int, b string) {
|
|
DismissPortForwards(v, pages)
|
|
})
|
|
|
|
pages.AddPage(portForwardKey, modal, false, true)
|
|
pages.ShowPage(portForwardKey)
|
|
v.App().SetFocus(pages.GetPrimitive(portForwardKey))
|
|
}
|
|
|
|
// DismissPortForwards dismiss the port forward dialog.
|
|
func DismissPortForwards(v ResourceViewer, p *ui.Pages) {
|
|
p.RemovePage(portForwardKey)
|
|
v.App().SetFocus(p.CurrentPage().Item)
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Helpers...
|
|
|
|
func extractPort(port string) string {
|
|
tokens := strings.Split(port, "::")
|
|
if len(tokens) < 2 {
|
|
ports := strings.Split(port, ",")
|
|
for _, t := range ports {
|
|
if _, err := strconv.Atoi(strings.TrimSpace(t)); err != nil {
|
|
return ""
|
|
}
|
|
}
|
|
return port
|
|
}
|
|
|
|
return tokens[1]
|
|
}
|