112 lines
2.3 KiB
Go
112 lines
2.3 KiB
Go
package dao
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import (
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"context"
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"errors"
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"sort"
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"strings"
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"github.com/derailed/k9s/internal"
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/k9s/internal/config"
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"github.com/derailed/k9s/internal/render"
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"k8s.io/apimachinery/pkg/runtime"
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)
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var _ Accessor = (*Alias)(nil)
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// Alias tracks standard and custom command aliases.
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type Alias struct {
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NonResource
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config.Aliases
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}
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// NewAlias returns a new set of aliases.
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func NewAlias(f Factory) *Alias {
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a := Alias{Aliases: config.NewAliases()}
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a.Init(f, client.NewGVR("aliases"))
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return &a
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}
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// Clear remove all aliases.
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func (a *Alias) Clear() {
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for k := range a.Alias {
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delete(a.Alias, k)
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}
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}
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// List returns a collection of screen dumps.
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// BOZO!! Already have aliases here. Refact!!
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func (a *Alias) List(ctx context.Context, _ string) ([]runtime.Object, error) {
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a, ok := ctx.Value(internal.KeyAliases).(*Alias)
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if !ok {
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return nil, errors.New("no aliases found in context")
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}
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m := make(config.ShortNames, len(a.Alias))
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for alias, gvr := range a.Alias {
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if _, ok := m[gvr]; ok {
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m[gvr] = append(m[gvr], alias)
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} else {
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m[gvr] = []string{alias}
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}
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}
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oo := make([]runtime.Object, 0, len(m))
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for gvr, aliases := range m {
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sort.StringSlice(aliases).Sort()
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oo = append(oo, render.AliasRes{GVR: gvr, Aliases: aliases})
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}
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return oo, nil
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}
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// AsGVR returns a matching gvr if it exists.
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func (a *Alias) AsGVR(cmd string) (client.GVR, bool) {
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gvr, ok := a.Aliases.Get(cmd)
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if ok {
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return client.NewGVR(gvr), true
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}
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return client.GVR{}, false
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}
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// Get fetch a resource.
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func (a *Alias) Get(_ context.Context, _ string) (runtime.Object, error) {
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// BOZO!! NYI
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panic("NYI!")
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}
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// Ensure makes sure alias are loaded.
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func (a *Alias) Ensure() (config.Alias, error) {
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if err := LoadResources(a.Factory); err != nil {
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return config.Alias{}, err
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}
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return a.Alias, a.load()
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}
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func (a *Alias) load() error {
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if err := a.Load(); err != nil {
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return err
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}
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for _, gvr := range AllGVRs() {
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meta, err := MetaFor(gvr)
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if err != nil {
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return err
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}
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if _, ok := a.Alias[meta.Kind]; ok || IsK9sMeta(meta) {
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continue
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}
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a.Define(gvr.String(), strings.ToLower(meta.Kind), meta.Name)
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if meta.SingularName != "" {
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a.Define(gvr.String(), meta.SingularName)
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}
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if meta.ShortNames != nil {
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a.Define(gvr.String(), meta.ShortNames...)
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}
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}
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return nil
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}
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