79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
package render
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import (
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"errors"
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"fmt"
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"strings"
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"github.com/derailed/k9s/internal/client"
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"github.com/gdamore/tcell/v2"
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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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// Namespace renders a K8s Namespace to screen.
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type Namespace struct{}
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// ColorerFunc colors a resource row.
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func (n Namespace) ColorerFunc() ColorerFunc {
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return func(ns string, h Header, re RowEvent) tcell.Color {
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c := DefaultColorer(ns, h, re)
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if re.Kind == EventUpdate {
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c = StdColor
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}
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if strings.Contains(strings.TrimSpace(re.Row.Fields[0]), "*") {
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c = HighlightColor
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}
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if !Happy(ns, h, re.Row) {
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c = 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 (Namespace) Header(string) Header {
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return Header{
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HeaderColumn{Name: "NAME"},
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HeaderColumn{Name: "STATUS"},
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HeaderColumn{Name: "LABELS", Wide: true},
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HeaderColumn{Name: "VALID", 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 (n Namespace) Render(o interface{}, _ 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 Namespace, but got %T", o)
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}
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var ns v1.Namespace
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &ns)
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if err != nil {
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return err
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}
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r.ID = client.MetaFQN(ns.ObjectMeta)
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r.Fields = Fields{
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ns.Name,
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string(ns.Status.Phase),
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mapToStr(ns.Labels),
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asStatus(n.diagnose(ns.Status.Phase)),
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toAge(ns.ObjectMeta.CreationTimestamp),
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}
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return nil
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}
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func (Namespace) diagnose(phase v1.NamespacePhase) error {
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if phase != v1.NamespaceActive && phase != v1.NamespaceTerminating {
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return errors.New("namespace not ready")
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}
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return nil
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}
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