101 lines
2.7 KiB
Go
101 lines
2.7 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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"fmt"
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"strconv"
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/k9s/internal/model1"
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appsv1 "k8s.io/api/apps/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 defaultSTSHeader = model1.Header{
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model1.HeaderColumn{Name: "NAMESPACE"},
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model1.HeaderColumn{Name: "NAME"},
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model1.HeaderColumn{Name: "VS", Attrs: model1.Attrs{VS: true}},
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model1.HeaderColumn{Name: "READY"},
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model1.HeaderColumn{Name: "SELECTOR", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "SERVICE"},
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model1.HeaderColumn{Name: "CONTAINERS", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "IMAGES", Attrs: model1.Attrs{Wide: true}},
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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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// StatefulSet renders a K8s StatefulSet to screen.
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type StatefulSet struct {
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Base
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}
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// Header returns a header row.
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func (s StatefulSet) Header(_ string) model1.Header {
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return s.doHeader(defaultSTSHeader)
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}
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// Render renders a K8s resource to screen.
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func (s StatefulSet) 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 := s.defaultRow(raw, row); err != nil {
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return err
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}
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if s.specs.isEmpty() {
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return nil
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}
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cols, err := s.specs.realize(raw, defaultSTSHeader, 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 (s StatefulSet) defaultRow(raw *unstructured.Unstructured, r *model1.Row) error {
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var sts appsv1.StatefulSet
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &sts)
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if err != nil {
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return err
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}
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var desired int32
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if sts.Spec.Replicas != nil {
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desired = *sts.Spec.Replicas
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}
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r.ID = client.MetaFQN(&sts.ObjectMeta)
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r.Fields = model1.Fields{
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sts.Namespace,
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sts.Name,
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computeVulScore(sts.Namespace, sts.Labels, &sts.Spec.Template.Spec),
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strconv.Itoa(int(sts.Status.ReadyReplicas)) + "/" + strconv.Itoa(int(desired)),
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asSelector(sts.Spec.Selector),
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na(sts.Spec.ServiceName),
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podContainerNames(&sts.Spec.Template.Spec, true),
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podImageNames(&sts.Spec.Template.Spec, true),
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mapToStr(sts.Labels),
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AsStatus(s.diagnose(desired, sts.Status.Replicas, sts.Status.ReadyReplicas)),
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ToAge(sts.GetCreationTimestamp()),
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}
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return nil
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}
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func (StatefulSet) diagnose(d, c, r int32) error {
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if c != r {
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return fmt.Errorf("desired %d replicas got %d available", c, r)
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}
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if d != r {
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return fmt.Errorf("want %d replicas got %d available", d, r)
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}
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return nil
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}
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