/
sts.go
83 lines (70 loc) 路 1.94 KB
/
sts.go
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// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of K9s
package xray
import (
"context"
"fmt"
"github.com/derailed/k9s/internal/client"
"github.com/derailed/k9s/internal/render"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
// StatefulSet represents an xray renderer.
type StatefulSet struct{}
// Render renders an xray node.
func (s *StatefulSet) Render(ctx context.Context, ns string, o interface{}) error {
raw, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("expected Unstructured, but got %T", o)
}
var sts appsv1.StatefulSet
err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &sts)
if err != nil {
return err
}
parent, ok := ctx.Value(KeyParent).(*TreeNode)
if !ok {
return fmt.Errorf("Expecting a TreeNode but got %T", ctx.Value(KeyParent))
}
root := NewTreeNode("apps/v1/statefulsets", client.FQN(sts.Namespace, sts.Name))
oo, err := locatePods(ctx, sts.Namespace, sts.Spec.Selector)
if err != nil {
return err
}
ctx = context.WithValue(ctx, KeyParent, root)
var re Pod
for _, o := range oo {
p, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("expecting *Unstructured but got %T", o)
}
if err := re.Render(ctx, ns, &render.PodWithMetrics{Raw: p}); err != nil {
return err
}
}
if root.IsLeaf() {
return nil
}
gvr, nsID := "v1/namespaces", client.FQN(client.ClusterScope, sts.Namespace)
nsn := parent.Find(gvr, nsID)
if nsn == nil {
nsn = NewTreeNode(gvr, nsID)
parent.Add(nsn)
}
nsn.Add(root)
return s.validate(root, sts)
}
func (*StatefulSet) validate(root *TreeNode, sts appsv1.StatefulSet) error {
root.Extras[StatusKey] = OkStatus
var r int32
if sts.Spec.Replicas != nil {
r = int32(*sts.Spec.Replicas)
}
a := sts.Status.CurrentReplicas
if a != r {
root.Extras[StatusKey] = ToastStatus
}
root.Extras[InfoKey] = fmt.Sprintf("%d/%d", a, r)
return nil
}