113 lines
2.6 KiB
Go
113 lines
2.6 KiB
Go
package dao
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import (
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"context"
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"fmt"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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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/rs/zerolog/log"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/dynamic"
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)
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var _ Describer = (*Generic)(nil)
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// Generic represents a generic resource.
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type Generic struct {
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NonResource
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}
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// List returns a collection of resources.
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// BOZO!! no auth check??
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func (g *Generic) List(ctx context.Context, ns string) ([]runtime.Object, error) {
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log.Debug().Msgf("GENERIC-LIST %q:%q", ns, g.gvr)
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labelSel, ok := ctx.Value(internal.KeyLabels).(string)
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if !ok {
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log.Warn().Msgf("No label selector found in context. Listing all resources")
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}
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if client.IsAllNamespace(ns) {
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ns = client.AllNamespaces
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}
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var (
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ll *unstructured.UnstructuredList
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err error
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)
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if client.IsNamespaced(ns) {
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ll, err = g.dynClient().Namespace(ns).List(metav1.ListOptions{LabelSelector: labelSel})
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} else {
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ll, err = g.dynClient().List(metav1.ListOptions{LabelSelector: labelSel})
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}
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if err != nil {
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return nil, err
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}
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oo := make([]runtime.Object, len(ll.Items))
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for i := range ll.Items {
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oo[i] = &ll.Items[i]
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}
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return oo, nil
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}
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// Get returns a given resource.
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func (g *Generic) Get(ctx context.Context, path string) (runtime.Object, error) {
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var opts metav1.GetOptions
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ns, n := client.Namespaced(path)
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req := g.dynClient()
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if client.IsClusterScoped(ns) {
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return req.Get(n, opts)
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}
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return req.Namespace(ns).Get(n, opts)
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}
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// Describe describes a resource.
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func (g *Generic) Describe(path string) (string, error) {
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return Describe(g.Client(), g.gvr, path)
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}
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// ToYAML returns a resource yaml.
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func (g *Generic) ToYAML(path string) (string, error) {
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o, err := g.Get(context.Background(), path)
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if err != nil {
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return "", err
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}
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raw, err := ToYAML(o)
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if err != nil {
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return "", fmt.Errorf("unable to marshal resource %s", err)
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}
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return raw, nil
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}
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// Delete deletes a resource.
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func (g *Generic) Delete(path string, cascade, force bool) error {
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ns, n := client.Namespaced(path)
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auth, err := g.Client().CanI(ns, g.gvr.String(), []string{"delete"})
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if !auth || err != nil {
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return err
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}
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p := metav1.DeletePropagationOrphan
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if cascade {
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p = metav1.DeletePropagationBackground
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}
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opts := metav1.DeleteOptions{PropagationPolicy: &p}
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if client.IsClusterScoped(ns) {
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return g.dynClient().Delete(n, &opts)
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}
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return g.dynClient().Namespace(ns).Delete(n, &opts)
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}
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func (g *Generic) dynClient() dynamic.NamespaceableResourceInterface {
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return g.Client().DynDialOrDie().Resource(g.gvr.AsGVR())
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}
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