k9s/internal/render/sts.go

83 lines
2.1 KiB
Go

// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of K9s
package render
import (
"fmt"
"strconv"
"github.com/derailed/k9s/internal/client"
"github.com/derailed/k9s/internal/vul"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
// StatefulSet renders a K8s StatefulSet to screen.
type StatefulSet struct {
Base
}
// Header returns a header row.
func (StatefulSet) Header(ns string) Header {
h := Header{
HeaderColumn{Name: "NAMESPACE"},
HeaderColumn{Name: "NAME"},
HeaderColumn{Name: "VS"},
HeaderColumn{Name: "READY"},
HeaderColumn{Name: "SELECTOR", Wide: true},
HeaderColumn{Name: "SERVICE"},
HeaderColumn{Name: "CONTAINERS", Wide: true},
HeaderColumn{Name: "IMAGES", Wide: true},
HeaderColumn{Name: "LABELS", Wide: true},
HeaderColumn{Name: "VALID", Wide: true},
HeaderColumn{Name: "AGE", Time: true},
}
if vul.ImgScanner == nil {
h = append(h[:vulIdx], h[vulIdx+1:]...)
}
return h
}
// Render renders a K8s resource to screen.
func (s StatefulSet) Render(o interface{}, ns string, r *Row) error {
raw, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("expected StatefulSet, but got %T", o)
}
var sts appsv1.StatefulSet
err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &sts)
if err != nil {
return err
}
r.ID = client.MetaFQN(sts.ObjectMeta)
r.Fields = Fields{
sts.Namespace,
sts.Name,
computeVulScore(&sts.Spec.Template.Spec),
strconv.Itoa(int(sts.Status.ReadyReplicas)) + "/" + strconv.Itoa(int(sts.Status.Replicas)),
asSelector(sts.Spec.Selector),
na(sts.Spec.ServiceName),
podContainerNames(sts.Spec.Template.Spec, true),
podImageNames(sts.Spec.Template.Spec, true),
mapToStr(sts.Labels),
AsStatus(s.diagnose(sts.Status.Replicas, sts.Status.ReadyReplicas)),
ToAge(sts.GetCreationTimestamp()),
}
if vul.ImgScanner == nil {
r.Fields = append(r.Fields[:vulIdx], r.Fields[vulIdx+1:]...)
}
return nil
}
func (StatefulSet) diagnose(d, r int32) error {
if d != r {
return fmt.Errorf("desiring %d replicas got %d available", d, r)
}
return nil
}