I'm writing a Kubernetes Operator in Go and I would like to generate events in the same way Pods do, i.e. at each point of the reconciliation I want to write an event which can be examined using kubectl describe myresource
.
I found the package that would allow me to do that, but I don't understand how to use it: https://github.com/kubernetes/client-go/blob/master/tools/record/event.go
Example skeleton code:
type MyResourceReconciler struct {
client.Client
Log logr.Logger
Scheme *runtime.Scheme
}
var logger logr.Logger
func (r *MyResourceReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
Named("MyResource-controller").
For(&v1.MyResource{}).
Complete(r)
}
func (r *MyResourceReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
logger = r.Log.V(0).WithValues("MyResource", req.NamespacedName)
logger.Info("reconcile called")
// TODO: Record event for req.NamespacedName
return reconcile.Result{}, nil
}
The Kubebuilder v1 book has a good example on how to create and write Events
using an EventRecorder from client-go
.