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