71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
package render
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import (
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"fmt"
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"time"
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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/apis/meta/v1/unstructured"
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)
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// CustomResourceDefinition renders a K8s CustomResourceDefinition to screen.
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type CustomResourceDefinition struct{}
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// ColorerFunc colors a resource row.
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func (CustomResourceDefinition) ColorerFunc() ColorerFunc {
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return DefaultColorer
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}
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// Header returns a header rbw.
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func (CustomResourceDefinition) Header(string) Header {
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return Header{
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HeaderColumn{Name: "NAME"},
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HeaderColumn{Name: "LABELS", Wide: true},
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HeaderColumn{Name: "AGE", Time: true, Decorator: AgeDecorator},
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}
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}
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// Render renders a K8s resource to screen.
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func (CustomResourceDefinition) Render(o interface{}, ns string, r *Row) error {
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crd, ok := o.(*unstructured.Unstructured)
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if !ok {
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return fmt.Errorf("Expected CustomResourceDefinition, but got %T", o)
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}
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meta, ok := crd.Object["metadata"].(map[string]interface{})
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if !ok {
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return fmt.Errorf("expecting an interface map but got %T", crd.Object["metadata"])
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}
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t, err := time.Parse(time.RFC3339, extractMetaField(meta, "creationTimestamp"))
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if err != nil {
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log.Error().Err(err).Msgf("Fields timestamp %v", err)
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}
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r.ID = client.FQN(client.ClusterScope, extractMetaField(meta, "name"))
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r.Fields = Fields{
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extractMetaField(meta, "name"),
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mapToIfc(meta["labels"]),
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toAge(metav1.Time{Time: t}),
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}
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return nil
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}
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func extractMetaField(m map[string]interface{}, field string) string {
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f, ok := m[field]
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if !ok {
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log.Error().Err(fmt.Errorf("failed to extract field from meta %s", field))
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return NAValue
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}
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fs, ok := f.(string)
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if !ok {
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log.Error().Err(fmt.Errorf("failed to extract string from field %s", field))
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return NAValue
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}
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return fs
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}
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