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Allow adding healthz and livez checks independent to each other
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parent
7f083d339f
commit
67f3204b40
@ -633,7 +633,7 @@ func (c completedConfig) New(name string, delegationTarget DelegationTarget) (*G
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}
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}
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// TODO: Once we get rid of /healthz consider changing this to post-start-hook.
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err := s.addReadyzChecks(healthz.NewInformerSyncHealthz(c.SharedInformerFactory))
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err := s.AddReadyzChecks(healthz.NewInformerSyncHealthz(c.SharedInformerFactory))
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if err != nil {
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return nil, err
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}
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@ -53,11 +53,14 @@ func (s *GenericAPIServer) addHealthChecks(livezGracePeriod time.Duration, check
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return fmt.Errorf("unable to add because the healthz endpoint has already been created")
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}
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s.healthzChecks = append(s.healthzChecks, checks...)
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return s.addLivezChecks(livezGracePeriod, checks...)
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if err := s.AddLivezChecks(livezGracePeriod, checks...); err != nil {
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return err
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}
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return s.AddReadyzChecks(checks...)
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}
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// addReadyzChecks allows you to add a HealthCheck to readyz.
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func (s *GenericAPIServer) addReadyzChecks(checks ...healthz.HealthChecker) error {
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// AddReadyzChecks allows you to add a HealthCheck to readyz.
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func (s *GenericAPIServer) AddReadyzChecks(checks ...healthz.HealthChecker) error {
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s.readyzLock.Lock()
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defer s.readyzLock.Unlock()
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if s.readyzChecksInstalled {
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@ -67,9 +70,8 @@ func (s *GenericAPIServer) addReadyzChecks(checks ...healthz.HealthChecker) erro
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return nil
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}
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// addLivezChecks allows you to add a HealthCheck to livez. It will also automatically add a check to readyz,
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// since we want to avoid being ready when we are not live.
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func (s *GenericAPIServer) addLivezChecks(delay time.Duration, checks ...healthz.HealthChecker) error {
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// AddLivezChecks allows you to add a HealthCheck to livez.
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func (s *GenericAPIServer) AddLivezChecks(delay time.Duration, checks ...healthz.HealthChecker) error {
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s.livezLock.Lock()
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defer s.livezLock.Unlock()
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if s.livezChecksInstalled {
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@ -78,14 +80,14 @@ func (s *GenericAPIServer) addLivezChecks(delay time.Duration, checks ...healthz
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for _, check := range checks {
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s.livezChecks = append(s.livezChecks, delayedHealthCheck(check, s.livezClock, delay))
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}
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return s.addReadyzChecks(checks...)
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return nil
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}
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// addReadyzShutdownCheck is a convenience function for adding a readyz shutdown check, so
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// that we can register that the api-server is no longer ready while we attempt to gracefully
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// shutdown.
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func (s *GenericAPIServer) addReadyzShutdownCheck(stopCh <-chan struct{}) error {
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return s.addReadyzChecks(shutdownCheck{stopCh})
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return s.AddReadyzChecks(shutdownCheck{stopCh})
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}
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// installHealthz creates the healthz endpoint for this server
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