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ns.go
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ns.go
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package view
import (
"time"
"github.com/derailed/k9s/internal/client"
"github.com/derailed/k9s/internal/config"
"github.com/derailed/k9s/internal/render"
"github.com/derailed/k9s/internal/ui"
"github.com/gdamore/tcell"
"github.com/rs/zerolog/log"
)
const (
favNSIndicator = "+"
defaultNSIndicator = "(*)"
)
// Namespace represents a namespace viewer.
type Namespace struct {
ResourceViewer
}
// NewNamespace returns a new viewer
func NewNamespace(gvr client.GVR) ResourceViewer {
n := Namespace{
ResourceViewer: NewBrowser(gvr),
}
n.GetTable().SetDecorateFn(n.decorate)
n.GetTable().SetColorerFn(render.Namespace{}.ColorerFunc())
n.GetTable().SetEnterFn(n.switchNs)
n.AddBindKeysFn(n.bindKeys)
return &n
}
func (n *Namespace) bindKeys(aa ui.KeyActions) {
aa.Add(ui.KeyActions{
ui.KeyU: ui.NewKeyAction("Use", n.useNsCmd, true),
})
}
func (n *Namespace) switchNs(app *App, model ui.Tabular, gvr, path string) {
n.useNamespace(path)
if err := app.gotoResource("pods", "", false); err != nil {
app.Flash().Err(err)
}
}
func (n *Namespace) useNsCmd(evt *tcell.EventKey) *tcell.EventKey {
path := n.GetTable().GetSelectedItem()
if path == "" {
return nil
}
n.useNamespace(path)
return nil
}
func (n *Namespace) useNamespace(fqn string) {
_, ns := client.Namespaced(fqn)
if err := n.App().switchNS(ns); err != nil {
n.App().Flash().Err(err)
return
}
if err := n.App().Config.SetActiveNamespace(ns); err != nil {
n.App().Flash().Err(err)
return
}
n.App().Flash().Infof("Namespace %s is now active!", ns)
if err := n.App().Config.Save(); err != nil {
log.Error().Err(err).Msg("Config file save failed!")
}
}
func (n *Namespace) decorate(data render.TableData) render.TableData {
if n.App().Conn() == nil || len(data.RowEvents) == 0 {
return data
}
// checks if all ns is in the list if not add it.
if _, ok := data.RowEvents.FindIndex(client.NamespaceAll); !ok {
data.RowEvents = append(data.RowEvents,
render.RowEvent{
Kind: render.EventUnchanged,
Row: render.Row{
ID: client.NamespaceAll,
Fields: render.Fields{client.NamespaceAll, "Active", "", "", time.Now().String()},
},
},
)
}
for _, re := range data.RowEvents {
if config.InList(n.App().Config.FavNamespaces(), re.Row.ID) {
re.Row.Fields[0] += favNSIndicator
re.Kind = render.EventUnchanged
}
if n.App().Config.ActiveNamespace() == re.Row.ID {
re.Row.Fields[0] += defaultNSIndicator
re.Kind = render.EventUnchanged
}
}
return data
}