Files
fission-src/pkg/router/ns_watcher.go
T

33 lines
1.1 KiB
Go

// Package router — NSWatcher for multi-tenant mode.
//
// Listens for Namespaces labeled fission.io/managed=true and calls
// HTTPTriggerSet.AddNamespace so the router picks up HTTPTriggers and
// Functions in tenant namespaces without a restart.
package router
import (
"context"
"go.uber.org/zap"
"k8s.io/client-go/kubernetes"
"github.com/fission/fission/pkg/utils"
"github.com/fission/fission/pkg/utils/manager"
)
// StartNSWatcher registers a Kubernetes Namespace Informer for the router.
// Whenever a Namespace with label fission.io/managed=true appears (or is relabeled),
// the router immediately subscribes to HTTPTriggers and Functions in that namespace.
func StartNSWatcher(
ctx context.Context,
logger *zap.Logger,
kubeClient kubernetes.Interface,
ts *HTTPTriggerSet,
mgr manager.Interface,
) {
_, err := utils.RunManagedNamespaceWatcher(ctx, logger, "router.NSWatcher", kubeClient, mgr, utils.DefaultNSResolver().Snapshot(), utils.NamespaceRemovalStrategyTrackOnly, NewNamespaceSubscriber(ts, mgr))
if err != nil {
logger.Error("router.NSWatcher: BootstrapAndDispatch failed", zap.Error(err))
}
}