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Merge pull request #113661 from nckturner/fix-server-diagram

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Fix formatting of API server diagram
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Kubernetes Prow Robot 2022-11-07 06:52:28 -08:00 committed by GitHub
commit 62e9df085a
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1 changed files with 34 additions and 38 deletions
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72
staging/src/k8s.io/apiserver/pkg/server/genericapiserver.go
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@ -418,44 +418,40 @@ func (s *GenericAPIServer) PrepareRun() preparedGenericAPIServer {
// or the secure port cannot be listened on initially.
// This is the diagram of what channels/signals are dependent on each other:
//
// stopCh
// |
// ---------------------------------------------------------
// | |
// ShutdownInitiated (shutdownInitiatedCh) |
// | |
//
// (ShutdownDelayDuration) (PreShutdownHooks)
//
// | |
// AfterShutdownDelayDuration (delayedStopCh) PreShutdownHooksStopped (preShutdownHooksHasStoppedCh)
// | |
// |-------------------------------------------------------|
// |
// |
// NotAcceptingNewRequest (notAcceptingNewRequestCh)
// |
// |
// |---------------------------------------------------------|
// | | | |
// [without [with | |
//
// ShutdownSendRetryAfter] ShutdownSendRetryAfter] | |
//
// | | | |
// | ---------------| |
// | | |
// | (HandlerChainWaitGroup::Wait) |
// | | |
// | InFlightRequestsDrained (drainedCh) |
// | | |
// ----------------------------------------|-----------------|
// | |
// stopHttpServerCh (AuditBackend::Shutdown())
// |
// listenerStoppedCh
// |
// HTTPServerStoppedListening (httpServerStoppedListeningCh)
// | stopCh
// | |
// | ---------------------------------------------------------
// | | |
// | ShutdownInitiated (shutdownInitiatedCh) |
// | | |
// | (ShutdownDelayDuration) (PreShutdownHooks)
// | | |
// | AfterShutdownDelayDuration (delayedStopCh) PreShutdownHooksStopped (preShutdownHooksHasStoppedCh)
// | | |
// | |-------------------------------------------------------|
// | |
// | |
// | NotAcceptingNewRequest (notAcceptingNewRequestCh)
// | |
// | |
// | |---------------------------------------------------------|
// | | | | |
// | [without [with | |
// | ShutdownSendRetryAfter] ShutdownSendRetryAfter] | |
// | | | | |
// | | ---------------| |
// | | | |
// | | (HandlerChainWaitGroup::Wait) |
// | | | |
// | | InFlightRequestsDrained (drainedCh) |
// | | | |
// | ----------------------------------------|-----------------|
// | | |
// | stopHttpServerCh (AuditBackend::Shutdown())
// | |
// | listenerStoppedCh
// | |
// | HTTPServerStoppedListening (httpServerStoppedListeningCh)
func (s preparedGenericAPIServer) Run(stopCh <-chan struct{}) error {
delayedStopCh := s.lifecycleSignals.AfterShutdownDelayDuration
shutdownInitiatedCh := s.lifecycleSignals.ShutdownInitiated