109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
package render
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import (
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"fmt"
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"github.com/derailed/k9s/internal/client"
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"github.com/gdamore/tcell"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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)
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// PersistentVolumeClaim renders a K8s PersistentVolumeClaim to screen.
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type PersistentVolumeClaim struct{}
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// ColorerFunc colors a resource row.
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func (p PersistentVolumeClaim) ColorerFunc() ColorerFunc {
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return func(ns string, re RowEvent) tcell.Color {
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c := DefaultColorer(ns, re)
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if re.Kind == EventAdd || re.Kind == EventUpdate {
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return c
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}
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if !Happy(ns, re.Row) {
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return ErrColor
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}
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return c
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}
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}
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// Header returns a header rbw.
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func (PersistentVolumeClaim) Header(ns string) HeaderRow {
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var h HeaderRow
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if client.IsAllNamespaces(ns) {
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h = append(h, Header{Name: "NAMESPACE"})
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}
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return append(h,
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Header{Name: "NAME"},
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Header{Name: "STATUS"},
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Header{Name: "VOLUME"},
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Header{Name: "CAPACITY"},
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Header{Name: "ACCESS MODES"},
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Header{Name: "STORAGECLASS"},
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Header{Name: "LABELS", Wide: true},
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Header{Name: "VALID", Wide: true},
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Header{Name: "AGE", 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 (p PersistentVolumeClaim) Render(o interface{}, ns string, r *Row) error {
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raw, ok := o.(*unstructured.Unstructured)
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if !ok {
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return fmt.Errorf("Expected PersistentVolumeClaim, but got %T", o)
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}
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var pvc v1.PersistentVolumeClaim
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &pvc)
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if err != nil {
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return err
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}
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phase := pvc.Status.Phase
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if pvc.ObjectMeta.DeletionTimestamp != nil {
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phase = "Terminating"
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}
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storage := pvc.Spec.Resources.Requests[v1.ResourceStorage]
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var capacity, accessModes string
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if pvc.Spec.VolumeName != "" {
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accessModes = accessMode(pvc.Status.AccessModes)
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storage = pvc.Status.Capacity[v1.ResourceStorage]
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capacity = storage.String()
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}
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class, found := pvc.Annotations[v1.BetaStorageClassAnnotation]
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if !found {
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if pvc.Spec.StorageClassName != nil {
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class = *pvc.Spec.StorageClassName
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}
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}
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r.ID = client.MetaFQN(pvc.ObjectMeta)
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r.Fields = make(Fields, 0, len(p.Header(ns)))
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if client.IsAllNamespaces(ns) {
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r.Fields = append(r.Fields, pvc.Namespace)
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}
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r.Fields = append(r.Fields,
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pvc.Name,
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string(phase),
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pvc.Spec.VolumeName,
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capacity,
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accessModes,
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class,
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mapToStr(pvc.Labels),
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asStatus(p.diagnose(string(phase))),
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toAge(pvc.ObjectMeta.CreationTimestamp),
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)
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return nil
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}
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func (PersistentVolumeClaim) diagnose(r string) error {
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if r != "Bound" && r != "Available" {
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return fmt.Errorf("unexpected status %s", r)
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}
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return nil
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}
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