123 lines
3.0 KiB
Go
123 lines
3.0 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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// Copyright Authors of K9s
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package render
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/k9s/internal/model1"
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"github.com/derailed/k9s/internal/slogs"
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"github.com/derailed/tcell/v2"
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"golang.org/x/exp/slog"
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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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var defaultNSHeader = model1.Header{
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model1.HeaderColumn{Name: "NAME"},
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model1.HeaderColumn{Name: "STATUS"},
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model1.HeaderColumn{Name: "LABELS", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "VALID", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "AGE", Attrs: model1.Attrs{Time: true}},
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}
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// Namespace renders a K8s Namespace to screen.
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type Namespace struct {
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Base
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}
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// ColorerFunc colors a resource row.
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func (Namespace) ColorerFunc() model1.ColorerFunc {
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return func(ns string, h model1.Header, re *model1.RowEvent) tcell.Color {
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c := model1.DefaultColorer(ns, h, re)
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if c == model1.ErrColor {
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return c
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}
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if re.Kind == model1.EventUpdate {
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c = model1.StdColor
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}
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if strings.Contains(strings.TrimSpace(re.Row.Fields[0]), "*") {
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c = model1.HighlightColor
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}
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return c
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}
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}
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// Header returns a header row.
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func (n Namespace) Header(_ string) model1.Header {
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return n.doHeader(defaultNSHeader)
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}
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// Render renders a K8s resource to screen.
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func (n Namespace) Render(o any, _ string, row *model1.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 Unstructured, but got %T", o)
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}
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if err := n.defaultRow(raw, row); err != nil {
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return err
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}
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if n.specs.isEmpty() {
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return nil
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}
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cols, err := n.specs.realize(raw, defaultNSHeader, row)
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if err != nil {
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return err
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}
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cols.hydrateRow(row)
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return nil
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}
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func (n Namespace) defaultRow(raw *unstructured.Unstructured, r *model1.Row) error {
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var ns v1.Namespace
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &ns)
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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(&ns.ObjectMeta)
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r.Fields = model1.Fields{
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ns.Name,
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string(ns.Status.Phase),
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mapToStr(ns.Labels),
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AsStatus(n.diagnose(ns.Status.Phase)),
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ToAge(ns.GetCreationTimestamp()),
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}
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return nil
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}
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// Healthy checks component health.
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func (n Namespace) Healthy(_ context.Context, o any) error {
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res, ok := o.(*unstructured.Unstructured)
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if !ok {
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slog.Error("Expected *Unstructured, but got", slogs.Type, fmt.Sprintf("%T", o))
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return nil
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}
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var ns v1.Namespace
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(res.Object, &ns)
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if err != nil {
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slog.Error("Failed to convert Unstructured to Namespace", slogs.Type, fmt.Sprintf("%T", o), slog.String("error", err.Error()))
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return nil
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}
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return n.diagnose(ns.Status.Phase)
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}
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func (Namespace) diagnose(phase v1.NamespacePhase) error {
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if phase != v1.NamespaceActive && phase != v1.NamespaceTerminating {
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return errors.New("namespace not ready")
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}
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return nil
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}
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