92 lines
2.5 KiB
Go
92 lines
2.5 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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"github.com/derailed/tview"
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v1 "k8s.io/api/policy/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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"k8s.io/apimachinery/pkg/util/intstr"
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)
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// PodDisruptionBudget renders a K8s PodDisruptionBudget to screen.
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type PodDisruptionBudget struct {
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Base
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}
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// Header returns a header row.
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func (PodDisruptionBudget) Header(ns string) model1.Header {
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return 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: "MIN AVAILABLE", Align: tview.AlignRight},
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model1.HeaderColumn{Name: "MAX UNAVAILABLE", Align: tview.AlignRight},
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model1.HeaderColumn{Name: "ALLOWED DISRUPTIONS", Align: tview.AlignRight},
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model1.HeaderColumn{Name: "CURRENT", Align: tview.AlignRight},
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model1.HeaderColumn{Name: "DESIRED", Align: tview.AlignRight},
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model1.HeaderColumn{Name: "EXPECTED", Align: tview.AlignRight},
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model1.HeaderColumn{Name: "LABELS", Wide: true},
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model1.HeaderColumn{Name: "VALID", Wide: true},
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model1.HeaderColumn{Name: "AGE", Time: true},
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}
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}
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// Render renders a K8s resource to screen.
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func (p PodDisruptionBudget) Render(o interface{}, ns string, r *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 PodDisruptionBudget, but got %T", o)
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}
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var pdb v1.PodDisruptionBudget
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &pdb)
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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(pdb.ObjectMeta)
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r.Fields = model1.Fields{
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pdb.Namespace,
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pdb.Name,
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numbToStr(pdb.Spec.MinAvailable),
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numbToStr(pdb.Spec.MaxUnavailable),
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strconv.Itoa(int(pdb.Status.DisruptionsAllowed)),
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strconv.Itoa(int(pdb.Status.CurrentHealthy)),
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strconv.Itoa(int(pdb.Status.DesiredHealthy)),
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strconv.Itoa(int(pdb.Status.ExpectedPods)),
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mapToStr(pdb.Labels),
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AsStatus(p.diagnose(pdb.Spec.MinAvailable, pdb.Status.CurrentHealthy)),
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ToAge(pdb.GetCreationTimestamp()),
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}
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return nil
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}
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func (PodDisruptionBudget) diagnose(min *intstr.IntOrString, healthy int32) error {
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if min == nil {
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return nil
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}
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if min.IntVal > healthy {
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return fmt.Errorf("expected %d but got %d", min.IntVal, healthy)
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}
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return nil
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}
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// Helpers...
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func numbToStr(n *intstr.IntOrString) string {
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if n == nil {
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return NAValue
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}
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if n.Type == intstr.Int {
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return strconv.Itoa(int(n.IntVal))
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}
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return n.StrVal
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}
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