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Bug 1887392: allow configuring authn/z caches TTLs #970

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merged 1 commit into from Jan 5, 2021
Merged

Bug 1887392: allow configuring authn/z caches TTLs #970

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4 changes: 4 additions & 0 deletions pkg/config/serving/server.go
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Expand Up @@ -39,6 +39,8 @@ func ToServerConfig(ctx context.Context, servingInfo configv1.HTTPServingInfo, a
if !authenticationConfig.Disabled {
authenticationOptions := genericapiserveroptions.NewDelegatingAuthenticationOptions()
authenticationOptions.RemoteKubeConfigFile = kubeConfigFile
// the platform generally uses 30s for /metrics scraping, avoid API request for every other /metrics request to the component
authenticationOptions.CacheTTL = 35 * time.Second

// In some cases the API server can return connection refused when getting the "extension-apiserver-authentication"
// config map.
Expand All @@ -58,6 +60,8 @@ func ToServerConfig(ctx context.Context, servingInfo configv1.HTTPServingInfo, a
if !authorizationConfig.Disabled {
authorizationOptions := genericapiserveroptions.NewDelegatingAuthorizationOptions()
authorizationOptions.RemoteKubeConfigFile = kubeConfigFile
// the platform generally uses 30s for /metrics scraping, avoid API request for every other /metrics request to the component
authorizationOptions.AllowCacheTTL = 35 * time.Second

// In some cases the API server can return connection refused when getting the "extension-apiserver-authentication"
// config map.
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