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custom_resource.go
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custom_resource.go
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package store
import (
"time"
externalversions "github.com/prometheus-operator/prometheus-operator/pkg/client/informers/externalversions"
"github.com/prometheus-operator/prometheus-operator/pkg/client/versioned"
"github.com/sirupsen/logrus"
apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
)
//ServiceMonitor service monitor custom resource
const ServiceMonitor = "servicemonitors.monitoring.coreos.com"
func (a *appRuntimeStore) GetCrds() (ret []*apiextensions.CustomResourceDefinition, err error) {
return a.listers.CRD.List(nil)
}
func (a *appRuntimeStore) GetCrd(name string) (ret *apiextensions.CustomResourceDefinition, err error) {
return a.listers.CRD.Get(name)
}
func (a *appRuntimeStore) GetServiceMonitorClient() (*versioned.Clientset, error) {
if c := a.crClients["ServiceMonitor"]; c != nil {
return c.(*versioned.Clientset), nil
}
c, err := versioned.NewForConfig(a.kubeconfig)
if err != nil {
return nil, err
}
a.crClients["ServiceMonitor"] = c
return c, nil
}
func (a *appRuntimeStore) initCustomResourceInformer(stopch chan struct{}) {
if cr, _ := a.GetCrd(ServiceMonitor); cr != nil {
smc, err := a.GetServiceMonitorClient()
if err != nil {
logrus.Errorf("get service monitor client failure %s", err.Error())
}
if smc != nil {
smFactory := externalversions.NewSharedInformerFactory(smc, 5*time.Minute)
informer := smFactory.Monitoring().V1().ServiceMonitors().Informer()
informer.AddEventHandlerWithResyncPeriod(a, time.Second*10)
a.informers.CRS[ServiceMonitor] = informer
logrus.Infof("[CRD] ServiceMonitor is inited")
}
}
a.informers.StartCRS(stopch)
}