/
ds.go
70 lines (62 loc) · 1.92 KB
/
ds.go
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package render
import (
"fmt"
"strconv"
"github.com/derailed/tview"
"github.com/kswapd/k13s/internal/client"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
// DaemonSet renders a K8s DaemonSet to screen.
type DaemonSet struct {
Base
}
// Header returns a header row.
func (DaemonSet) Header(ns string) Header {
return Header{
HeaderColumn{Name: "NAMESPACE"},
HeaderColumn{Name: "NAME"},
HeaderColumn{Name: "DESIRED", Align: tview.AlignRight},
HeaderColumn{Name: "CURRENT", Align: tview.AlignRight},
HeaderColumn{Name: "READY", Align: tview.AlignRight},
HeaderColumn{Name: "UP-TO-DATE", Align: tview.AlignRight},
HeaderColumn{Name: "AVAILABLE", Align: tview.AlignRight},
HeaderColumn{Name: "LABELS", Wide: true},
HeaderColumn{Name: "VALID", Wide: true},
HeaderColumn{Name: "AGE", Time: true},
}
}
// Render renders a K8s resource to screen.
func (d DaemonSet) Render(o interface{}, ns string, r *Row) error {
raw, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("Expected DaemonSet, but got %T", o)
}
var ds appsv1.DaemonSet
err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &ds)
if err != nil {
return err
}
r.ID = client.MetaFQN(ds.ObjectMeta)
r.Fields = Fields{
ds.Namespace,
ds.Name,
strconv.Itoa(int(ds.Status.DesiredNumberScheduled)),
strconv.Itoa(int(ds.Status.CurrentNumberScheduled)),
strconv.Itoa(int(ds.Status.NumberReady)),
strconv.Itoa(int(ds.Status.UpdatedNumberScheduled)),
strconv.Itoa(int(ds.Status.NumberAvailable)),
mapToStr(ds.Labels),
asStatus(d.diagnose(ds.Status.DesiredNumberScheduled, ds.Status.NumberReady)),
toAge(ds.GetCreationTimestamp()),
}
return nil
}
// Happy returns true if resource is happy, false otherwise.
func (DaemonSet) diagnose(d, r int32) error {
if d != r {
return fmt.Errorf("desiring %d replicas but %d ready", d, r)
}
return nil
}