94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
package render
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/tview"
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"github.com/gdamore/tcell/v2"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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)
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// Event renders a K8s Event to screen.
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type Event struct{}
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// ColorerFunc colors a resource row.
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func (e Event) ColorerFunc() ColorerFunc {
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return func(ns string, h Header, re RowEvent) tcell.Color {
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if !Happy(ns, h, re.Row) {
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return ErrColor
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}
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reasonCol := h.IndexOf("REASON", true)
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if reasonCol == -1 {
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return DefaultColorer(ns, h, re)
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}
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if strings.TrimSpace(re.Row.Fields[reasonCol]) == "Killing" {
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return KillColor
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}
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return DefaultColorer(ns, h, re)
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}
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}
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// Header returns a header rbw.
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func (Event) Header(ns string) Header {
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return Header{
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HeaderColumn{Name: "NAMESPACE"},
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HeaderColumn{Name: "NAME"},
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HeaderColumn{Name: "TYPE"},
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HeaderColumn{Name: "REASON"},
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HeaderColumn{Name: "SOURCE"},
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HeaderColumn{Name: "COUNT", Align: tview.AlignRight},
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HeaderColumn{Name: "MESSAGE", Wide: true},
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HeaderColumn{Name: "VALID", Wide: true},
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HeaderColumn{Name: "AGE", Time: true, Decorator: AgeDecorator},
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}
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}
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// Render renders a K8s resource to screen.
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func (e Event) Render(o interface{}, ns string, r *Row) error {
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raw, ok := o.(*unstructured.Unstructured)
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if !ok {
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return fmt.Errorf("Expected Event, but got %T", o)
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}
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var ev v1.Event
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &ev)
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if err != nil {
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return err
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}
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r.ID = client.MetaFQN(ev.ObjectMeta)
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r.Fields = Fields{
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ev.Namespace,
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asRef(ev.InvolvedObject),
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ev.Type,
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ev.Reason,
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ev.Source.Component,
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strconv.Itoa(int(ev.Count)),
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ev.Message,
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asStatus(e.diagnose(ev.Type)),
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toAge(ev.LastTimestamp),
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}
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return nil
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}
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// Happy returns true if resource is happy, false otherwise
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func (Event) diagnose(kind string) error {
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if kind != "Normal" {
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return errors.New("failed event")
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}
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return nil
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}
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// Helpers...
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func asRef(r v1.ObjectReference) string {
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return strings.ToLower(r.Kind) + ":" + r.Name
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}
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