109 lines
2.4 KiB
Go
109 lines
2.4 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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"strings"
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/k9s/internal/model1"
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discoveryv1 "k8s.io/api/discovery/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 defaultEPsHeader = 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: "ADDRESSTYPE"},
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model1.HeaderColumn{Name: "PORTS"},
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model1.HeaderColumn{Name: "ENDPOINTS"},
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model1.HeaderColumn{Name: "AGE", Attrs: model1.Attrs{Time: true}},
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}
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// EndpointSlice renders a K8s EndpointSlice to screen.
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type EndpointSlice struct {
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Base
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}
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// Header returns a header row.
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func (e EndpointSlice) Header(_ string) model1.Header {
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return e.doHeader(defaultEPsHeader)
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}
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// Render renders a K8s resource to screen.
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func (e EndpointSlice) Render(o any, ns string, row *model1.Row) error {
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if err := e.defaultRow(o, ns, row); err != nil {
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return err
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}
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if e.specs.isEmpty() {
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return nil
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}
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cols, err := e.specs.realize(o.(*unstructured.Unstructured), defaultEPsHeader, 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 (e EndpointSlice) defaultRow(o any, 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 Unstructured, but got %T", o)
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}
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var eps discoveryv1.EndpointSlice
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &eps)
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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(&eps.ObjectMeta)
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r.Fields = make(model1.Fields, 0, len(e.Header(ns)))
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r.Fields = model1.Fields{
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eps.Namespace,
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eps.Name,
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string(eps.AddressType),
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toPorts(eps.Ports),
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toEPss(eps.Endpoints),
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ToAge(eps.GetCreationTimestamp()),
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}
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return nil
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}
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// ----------------------------------------------------------------------------
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// Helpers...
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func toEPss(ee []discoveryv1.Endpoint) string {
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if len(ee) == 0 {
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return UnsetValue
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}
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aa := make([]string, 0, len(ee))
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for _, e := range ee {
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aa = append(aa, e.Addresses...)
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}
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return strings.Join(aa, ",")
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}
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func toPorts(ee []discoveryv1.EndpointPort) string {
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if len(ee) == 0 {
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return UnsetValue
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}
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aa := make([]string, 0, len(ee))
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for _, e := range ee {
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if e.Port != nil {
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aa = append(aa, strconv.Itoa(int(*e.Port)))
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}
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}
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return strings.Join(aa, ",")
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}
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