75 lines
1.9 KiB
Go
75 lines
1.9 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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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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Base
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}
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// ColorerFunc colors a resource row.
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func (r ReplicaSet) ColorerFunc() ColorerFunc {
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return DefaultColorer
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}
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// Header returns a header row.
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func (ReplicaSet) Header(ns string) Header {
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return Header{
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HeaderColumn{Name: "NAMESPACE"},
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HeaderColumn{Name: "NAME"},
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HeaderColumn{Name: "DESIRED", Align: tview.AlignRight},
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HeaderColumn{Name: "CURRENT", Align: tview.AlignRight},
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HeaderColumn{Name: "READY", Align: tview.AlignRight},
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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},
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}
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}
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// Render renders a K8s resource to screen.
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func (r ReplicaSet) Render(o interface{}, ns string, row *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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row.ID = client.MetaFQN(rs.ObjectMeta)
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row.Fields = Fields{
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rs.Namespace,
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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(r.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 (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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