k9s/internal/render/dp.go

117 lines
3.1 KiB
Go

// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of K9s
package render
import (
"fmt"
"strconv"
"strings"
"github.com/derailed/k9s/internal/client"
"github.com/derailed/k9s/internal/model1"
"github.com/derailed/tcell/v2"
"github.com/derailed/tview"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
var defaultDPHeader = model1.Header{
model1.HeaderColumn{Name: "NAMESPACE"},
model1.HeaderColumn{Name: "NAME"},
model1.HeaderColumn{Name: "VS", Attrs: model1.Attrs{VS: true}},
model1.HeaderColumn{Name: "READY", Attrs: model1.Attrs{Align: tview.AlignRight}},
model1.HeaderColumn{Name: "UP-TO-DATE", Attrs: model1.Attrs{Align: tview.AlignRight}},
model1.HeaderColumn{Name: "AVAILABLE", Attrs: model1.Attrs{Align: tview.AlignRight}},
model1.HeaderColumn{Name: "LABELS", Attrs: model1.Attrs{Wide: true}},
model1.HeaderColumn{Name: "VALID", Attrs: model1.Attrs{Wide: true}},
model1.HeaderColumn{Name: "AGE", Attrs: model1.Attrs{Time: true}},
}
// Deployment renders a K8s Deployment to screen.
type Deployment struct {
Base
}
// ColorerFunc colors a resource row.
func (Deployment) ColorerFunc() model1.ColorerFunc {
return func(ns string, h model1.Header, re *model1.RowEvent) tcell.Color {
c := model1.DefaultColorer(ns, h, re)
idx, ok := h.IndexOf("READY", true)
if !ok {
return c
}
ready := strings.TrimSpace(re.Row.Fields[idx])
tt := strings.Split(ready, "/")
if len(tt) == 2 && tt[1] == "0" {
return model1.PendingColor
}
return c
}
}
// Header returns a header row.
func (d Deployment) Header(_ string) model1.Header {
return d.doHeader(defaultDPHeader)
}
// Render renders a K8s resource to screen.
func (d Deployment) Render(o any, _ string, row *model1.Row) error {
raw, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("expected Unstructured, but got %T", o)
}
if err := d.defaultRow(raw, row); err != nil {
return err
}
if d.specs.isEmpty() {
return nil
}
cols, err := d.specs.realize(raw, defaultDPHeader, row)
if err != nil {
return err
}
cols.hydrateRow(row)
return nil
}
// Render renders a K8s resource to screen.
func (d Deployment) defaultRow(raw *unstructured.Unstructured, r *model1.Row) error {
var dp appsv1.Deployment
err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &dp)
if err != nil {
return err
}
var desired int32
if dp.Spec.Replicas != nil {
desired = *dp.Spec.Replicas
}
r.ID = client.MetaFQN(&dp.ObjectMeta)
r.Fields = model1.Fields{
dp.Namespace,
dp.Name,
computeVulScore(dp.Namespace, dp.Labels, &dp.Spec.Template.Spec),
strconv.Itoa(int(dp.Status.AvailableReplicas)) + "/" + strconv.Itoa(int(desired)),
strconv.Itoa(int(dp.Status.UpdatedReplicas)),
strconv.Itoa(int(dp.Status.AvailableReplicas)),
mapToStr(dp.Labels),
AsStatus(d.diagnose(desired, dp.Status.AvailableReplicas)),
ToAge(dp.GetCreationTimestamp()),
}
return nil
}
func (Deployment) diagnose(desired, avail int32) error {
if desired != avail {
return fmt.Errorf("desiring %d replicas got %d available", desired, avail)
}
return nil
}