153 lines
3.3 KiB
Go
153 lines
3.3 KiB
Go
// SPDX-License-Identifier: Apache-2.0
|
|
// Copyright Authors of K9s
|
|
|
|
package dao
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"sort"
|
|
"strings"
|
|
|
|
"github.com/derailed/k9s/internal"
|
|
"github.com/derailed/k9s/internal/client"
|
|
"github.com/derailed/k9s/internal/config"
|
|
"github.com/derailed/k9s/internal/render"
|
|
"github.com/derailed/k9s/internal/view/cmd"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
)
|
|
|
|
var _ Accessor = (*Alias)(nil)
|
|
|
|
// Alias tracks standard and custom command aliases.
|
|
type Alias struct {
|
|
NonResource
|
|
|
|
*config.Aliases
|
|
}
|
|
|
|
// NewAlias returns a new set of aliases.
|
|
func NewAlias(f Factory) *Alias {
|
|
a := Alias{
|
|
Aliases: config.NewAliases(),
|
|
}
|
|
a.Init(f, client.NewGVR("aliases"))
|
|
|
|
return &a
|
|
}
|
|
|
|
func (a *Alias) AliasesFor(s string) []string {
|
|
return a.Aliases.AliasesFor(s)
|
|
}
|
|
|
|
// Check verifies an alias is defined for this command.
|
|
func (a *Alias) Check(cmd string) (string, bool) {
|
|
return a.Aliases.Get(cmd)
|
|
}
|
|
|
|
// List returns a collection of aliases.
|
|
func (a *Alias) List(ctx context.Context, _ string) ([]runtime.Object, error) {
|
|
aa, ok := ctx.Value(internal.KeyAliases).(*Alias)
|
|
if !ok {
|
|
return nil, fmt.Errorf("expecting *Alias but got %T", ctx.Value(internal.KeyAliases))
|
|
}
|
|
m := aa.ShortNames()
|
|
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
|
|
}
|
|
|
|
// AsGVR returns a matching gvr if it exists.
|
|
func (a *Alias) AsGVR(c string) (client.GVR, string, bool) {
|
|
exp, ok := a.Aliases.Get(c)
|
|
if !ok {
|
|
return client.NoGVR, "", ok
|
|
}
|
|
p := cmd.NewInterpreter(exp)
|
|
if strings.Contains(p.Cmd(), "/") {
|
|
return client.NewGVR(p.Cmd()), "", true
|
|
}
|
|
if gvr, ok := a.Aliases.Get(p.Cmd()); ok {
|
|
return client.NewGVR(gvr), exp, true
|
|
}
|
|
|
|
return client.NoGVR, "", false
|
|
}
|
|
|
|
// Get fetch a resource.
|
|
func (a *Alias) Get(_ context.Context, _ string) (runtime.Object, error) {
|
|
return nil, errors.New("nyi")
|
|
}
|
|
|
|
// Ensure makes sure alias are loaded.
|
|
func (a *Alias) Ensure(path string) (config.Alias, error) {
|
|
if err := MetaAccess.LoadResources(a.Factory); err != nil {
|
|
return config.Alias{}, err
|
|
}
|
|
return a.Alias, a.load(path)
|
|
}
|
|
|
|
func (a *Alias) load(path string) error {
|
|
if err := a.Load(path); err != nil {
|
|
return err
|
|
}
|
|
|
|
crdGVRS := make(client.GVRs, 0, 50)
|
|
for _, gvr := range MetaAccess.AllGVRs() {
|
|
meta, err := MetaAccess.MetaFor(gvr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if IsK9sMeta(meta) {
|
|
continue
|
|
}
|
|
|
|
gvrStr := gvr.String()
|
|
if IsCRD(meta) {
|
|
crdGVRS = append(crdGVRS, gvr)
|
|
continue
|
|
}
|
|
|
|
a.Define(gvrStr, gvr.AsResourceName())
|
|
|
|
// Allow single shot commands for k8s resources only!
|
|
if isStandardGroup(gvr.String()) {
|
|
a.Define(gvrStr, strings.ToLower(meta.Kind), meta.Name)
|
|
if meta.SingularName != "" {
|
|
a.Define(gvrStr, meta.SingularName)
|
|
}
|
|
}
|
|
if meta.ShortNames != nil {
|
|
a.Define(gvrStr, meta.ShortNames...)
|
|
}
|
|
a.Define(gvrStr, gvrStr)
|
|
}
|
|
|
|
for _, gvr := range crdGVRS {
|
|
meta, err := MetaAccess.MetaFor(gvr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
gvrStr := gvr.String()
|
|
a.Define(gvrStr, strings.ToLower(meta.Kind), meta.Name)
|
|
if meta.SingularName != "" {
|
|
a.Define(gvrStr, meta.SingularName)
|
|
}
|
|
if meta.ShortNames != nil {
|
|
a.Define(gvrStr, meta.ShortNames...)
|
|
}
|
|
a.Define(gvrStr, gvrStr)
|
|
a.Define(gvrStr, meta.Name+"."+meta.Group)
|
|
}
|
|
|
|
return nil
|
|
}
|