/
podController.go
64 lines (61 loc) · 1.68 KB
/
podController.go
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package controllers
import (
"encoding/json"
"github.com/gimlet-io/capacitor/pkg/streaming"
"github.com/sirupsen/logrus"
v1 "k8s.io/api/core/v1"
meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/cache"
)
func PodController(
client *kubernetes.Clientset,
dynamicClient *dynamic.DynamicClient,
clientHub *streaming.ClientHub,
) (*Controller, error) {
podListWatcher := cache.NewListWatchFromClient(client.CoreV1().RESTClient(), "pods", v1.NamespaceAll, fields.Everything())
podController := NewController(
"pod",
podListWatcher,
&v1.Pod{},
func(informerEvent Event, objectMeta meta_v1.ObjectMeta, obj interface{}) error {
switch informerEvent.eventType {
case "create":
createdPod := obj.(*v1.Pod)
podBytes, err := json.Marshal(streaming.Envelope{
Type: streaming.POD_CREATED,
Payload: createdPod,
})
if err != nil {
logrus.Warnf("could not marshal event: %s", err)
return nil
}
clientHub.Broadcast <- podBytes
case "update":
pod := obj.(*v1.Pod)
podBytes, err := json.Marshal(streaming.Envelope{
Type: streaming.POD_UPDATED,
Payload: pod,
})
if err != nil {
logrus.Warnf("could not marshal event: %s", err)
return nil
}
clientHub.Broadcast <- podBytes
case "delete":
podBytes, err := json.Marshal(streaming.Envelope{
Type: streaming.POD_DELETED,
Payload: informerEvent.key,
})
if err != nil {
logrus.Warnf("could not marshal event: %s", err)
return nil
}
clientHub.Broadcast <- podBytes
}
return nil
})
return podController, nil
}