k9s/internal/model/alias.go

53 lines
1.1 KiB
Go

package model
import (
"context"
"errors"
"sort"
"github.com/derailed/k9s/internal"
"github.com/derailed/k9s/internal/config"
"github.com/derailed/k9s/internal/render"
"k8s.io/apimachinery/pkg/runtime"
)
// Alias represents a collection of aliases.
type Alias struct {
Resource
}
// List returns a collection of screen dumps.
func (b *Alias) List(ctx context.Context) ([]runtime.Object, error) {
aa, ok := ctx.Value(internal.KeyAliases).(config.Alias)
if !ok {
return nil, errors.New("no aliases found in context")
}
m := make(config.ShortNames, len(aa))
for alias, gvr := range aa {
if _, ok := m[gvr]; ok {
m[gvr] = append(m[gvr], alias)
} else {
m[gvr] = []string{alias}
}
}
oo := make([]runtime.Object, 0, len(m))
for gvr, aliases := range m {
sort.StringSlice(aliases).Sort()
oo = append(oo, render.AliasRes{GVR: gvr, Aliases: aliases})
}
return oo, nil
}
// Hydrate returns a pod as container rows.
func (b *Alias) Hydrate(oo []runtime.Object, rr render.Rows, re Renderer) error {
for i, o := range oo {
if err := re.Render(o, render.NonResource, &rr[i]); err != nil {
return err
}
}
return nil
}