92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
package render
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import (
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"fmt"
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"strconv"
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/tview"
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"github.com/gdamore/tcell"
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appsv1 "k8s.io/api/apps/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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// ReplicaSet renders a K8s ReplicaSet to screen.
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type ReplicaSet struct{}
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// ColorerFunc colors a resource row.
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func (r ReplicaSet) 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 StdColor
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}
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}
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// Header returns a header row.
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func (ReplicaSet) 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: "DESIRED", Align: tview.AlignRight},
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Header{Name: "CURRENT", Align: tview.AlignRight},
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Header{Name: "READY", Align: tview.AlignRight},
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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 (s ReplicaSet) 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 ReplicaSet, but got %T", o)
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}
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var rs appsv1.ReplicaSet
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &rs)
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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(rs.ObjectMeta)
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r.Fields = make(Fields, 0, len(s.Header(ns)))
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if client.IsAllNamespaces(ns) {
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r.Fields = append(r.Fields, rs.Namespace)
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}
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r.Fields = append(r.Fields,
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rs.Name,
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strconv.Itoa(int(*rs.Spec.Replicas)),
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strconv.Itoa(int(rs.Status.Replicas)),
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strconv.Itoa(int(rs.Status.ReadyReplicas)),
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mapToStr(rs.Labels),
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asStatus(s.diagnose(rs)),
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toAge(rs.ObjectMeta.CreationTimestamp),
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)
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return nil
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}
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func (s ReplicaSet) diagnose(rs appsv1.ReplicaSet) error {
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if rs.Status.Replicas != rs.Status.ReadyReplicas {
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if rs.Status.Replicas == 0 {
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return fmt.Errorf("did not phase down correctly expecting 0 replicas but got %d", rs.Status.ReadyReplicas)
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}
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return fmt.Errorf("mismatch desired(%d) vs ready(%d)", rs.Status.Replicas, rs.Status.ReadyReplicas)
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}
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return nil
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}
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