Files
weave-scope/probe/kubernetes/statefulset.go
2017-07-26 13:49:54 -07:00

56 lines
1.3 KiB
Go

package kubernetes
import (
"fmt"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/client-go/pkg/apis/apps/v1beta1"
"github.com/weaveworks/scope/report"
)
// StatefulSet represents a Kubernetes statefulset
type StatefulSet interface {
Meta
Selector() (labels.Selector, error)
GetNode() report.Node
}
type statefulSet struct {
*v1beta1.StatefulSet
Meta
}
// NewStatefulSet creates a new statefulset
func NewStatefulSet(s *v1beta1.StatefulSet) StatefulSet {
return &statefulSet{
StatefulSet: s,
Meta: meta{s.ObjectMeta},
}
}
func (s *statefulSet) Selector() (labels.Selector, error) {
selector, err := metav1.LabelSelectorAsSelector(s.Spec.Selector)
if err != nil {
return nil, err
}
return selector, nil
}
func (s *statefulSet) GetNode() report.Node {
desiredReplicas := 1
if s.Spec.Replicas != nil {
desiredReplicas = int(*s.Spec.Replicas)
}
latests := map[string]string{
NodeType: "StatefulSet",
DesiredReplicas: fmt.Sprint(desiredReplicas),
Replicas: fmt.Sprint(s.Status.Replicas),
}
if s.Status.ObservedGeneration != nil {
latests[ObservedGeneration] = fmt.Sprint(*s.Status.ObservedGeneration)
}
return s.MetaNode(report.MakeStatefulSetNodeID(s.UID())).WithLatests(latests)
}