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Merge pull request kubernetes#104630 from tkashem/remove-option
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apiserver: remove server option startup-send-retry-after-until-ready
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k8s-ci-robot committed Aug 28, 2021
2 parents 80feff6 + 7adc79a commit edb0a72
Showing 1 changed file with 10 additions and 26 deletions.
Expand Up @@ -63,31 +63,21 @@ type ServerRunOptions struct {
// If enabled, after ShutdownDelayDuration elapses, any incoming request is
// rejected with a 429 status code and a 'Retry-After' response.
ShutdownSendRetryAfter bool

// StartupSendRetryAfterUntilReady once set will reject incoming requests with
// a 429 status code and a 'Retry-After' response header until the apiserver
// hasn't fully initialized.
// This option ensures that the system stays consistent even when requests
// are received before the server has been initialized.
// In particular, it prevents child deletion in case of GC or/and orphaned
// content in case of the namespaces controller.
StartupSendRetryAfterUntilReady bool
}

func NewServerRunOptions() *ServerRunOptions {
defaults := server.NewConfig(serializer.CodecFactory{})
return &ServerRunOptions{
MaxRequestsInFlight: defaults.MaxRequestsInFlight,
MaxMutatingRequestsInFlight: defaults.MaxMutatingRequestsInFlight,
RequestTimeout: defaults.RequestTimeout,
LivezGracePeriod: defaults.LivezGracePeriod,
MinRequestTimeout: defaults.MinRequestTimeout,
ShutdownDelayDuration: defaults.ShutdownDelayDuration,
JSONPatchMaxCopyBytes: defaults.JSONPatchMaxCopyBytes,
MaxRequestBodyBytes: defaults.MaxRequestBodyBytes,
EnablePriorityAndFairness: true,
ShutdownSendRetryAfter: false,
StartupSendRetryAfterUntilReady: false,
MaxRequestsInFlight: defaults.MaxRequestsInFlight,
MaxMutatingRequestsInFlight: defaults.MaxMutatingRequestsInFlight,
RequestTimeout: defaults.RequestTimeout,
LivezGracePeriod: defaults.LivezGracePeriod,
MinRequestTimeout: defaults.MinRequestTimeout,
ShutdownDelayDuration: defaults.ShutdownDelayDuration,
JSONPatchMaxCopyBytes: defaults.JSONPatchMaxCopyBytes,
MaxRequestBodyBytes: defaults.MaxRequestBodyBytes,
EnablePriorityAndFairness: true,
ShutdownSendRetryAfter: false,
}
}

Expand All @@ -107,7 +97,6 @@ func (s *ServerRunOptions) ApplyTo(c *server.Config) error {
c.MaxRequestBodyBytes = s.MaxRequestBodyBytes
c.PublicAddress = s.AdvertiseAddress
c.ShutdownSendRetryAfter = s.ShutdownSendRetryAfter
c.StartupSendRetryAfterUntilReady = s.StartupSendRetryAfterUntilReady

return nil
}
Expand Down Expand Up @@ -272,10 +261,5 @@ func (s *ServerRunOptions) AddUniversalFlags(fs *pflag.FlagSet) {
"during this window all incoming requests will be rejected with a status code 429 and a 'Retry-After' response header, "+
"in addition 'Connection: close' response header is set in order to tear down the TCP connection when idle.")

fs.BoolVar(&s.StartupSendRetryAfterUntilReady, "startup-send-retry-after-until-ready", s.ShutdownSendRetryAfter, ""+
"If true, incoming request(s) will be rejected with a '429' status code and a 'Retry-After' response header "+
"until the apiserver has initialized. This option ensures that the system stays consistent even when requests "+
"arrive at the server before it has been initialized.")

utilfeature.DefaultMutableFeatureGate.AddFlag(fs)
}

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