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add retry to repoal endpoints

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Signed-off-by: zvlb <vl.zemtsov@gmail.com>
This commit is contained in:
zvlb 2024-02-29 17:30:31 +02:00
parent 52dbfe3fac
commit 654a2bb71a
1 changed files with 24 additions and 2 deletions
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24
internal/ingress/controller/controller.go
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@ -271,12 +271,34 @@ func (n *NGINXController) syncEndpoints(interface{}) error {
UDPEndpoints := n.getStreamServices(n.cfg.UDPConfigMapName, apiv1.ProtocolUDP)
if ingress.CompareL4Service(n.runningConfig.TCPEndpoints, TCPEndpoints) && ingress.CompareL4Service(n.runningConfig.UDPEndpoints, UDPEndpoints) {
klog.V(3).Infof("No configuration change detected, skipping backend reload")
klog.V(3).Infof("No Endpoints change detected, skipping Endpoints reload")
return nil
}
retry := wait.Backoff{
Steps: 1 + n.cfg.DynamicConfigurationRetries,
Duration: time.Second,
Factor: 1.3,
Jitter: 0.1,
}
retriesRemaining := retry.Steps
err := wait.ExponentialBackoff(retry, func() (bool, error) {
err := updateStreamConfiguration(TCPEndpoints, UDPEndpoints)
if err == nil {
klog.V(2).Infof("Endpoints reconfiguration succeeded.")
return true, nil
}
retriesRemaining--
if retriesRemaining > 0 {
klog.Warningf("Endpoints reconfiguration failed (retrying; %d retries left): %v", retriesRemaining, err)
return false, nil
}
klog.Warningf("Endpoints reconfiguration failed: %v", err)
return false, err
})
if err != nil {
klog.Errorf("Unexpected failure reconfiguring NGINX Endpoints:\n%v", err)
return err
}