74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
package resource
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import (
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"path"
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"github.com/k8sland/k9s/resource/k8s"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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type (
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// Creator can create a new resources.
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Creator interface {
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NewInstance(interface{}) Columnar
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}
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// Caller can call Kubernetes verbs on a resource.
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Caller interface {
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k8s.Res
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}
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// APIFn knows how to call K8s api server.
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APIFn func() k8s.Res
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// InstanceFn instantiates a concrete resource.
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InstanceFn func(interface{}) Columnar
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// Base resource.
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Base struct {
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path string
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caller Caller
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creator Creator
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}
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)
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// Name returns the resource namespaced name.
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func (b *Base) Name() string {
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return b.path
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}
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// Get a resource by name
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func (b *Base) Get(path string) (Columnar, error) {
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ns, n := namespaced(path)
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i, err := b.caller.Get(ns, n)
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if err != nil {
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return nil, err
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}
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return b.creator.NewInstance(i), nil
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}
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// List all resources
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func (b *Base) List(ns string) (Columnars, error) {
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ii, err := b.caller.List(ns)
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if err != nil {
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return nil, err
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}
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cc := make(Columnars, 0, len(ii))
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for i := 0; i < len(ii); i++ {
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cc = append(cc, b.creator.NewInstance(ii[i]))
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}
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return cc, nil
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}
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// Delete a resource by name.
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func (b *Base) Delete(path string) error {
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ns, n := namespaced(path)
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return b.caller.Delete(ns, n)
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}
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func (*Base) namespacedName(m metav1.ObjectMeta) string {
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return path.Join(m.Namespace, m.Name)
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}
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