Object

com.twitter.finagle.http

LoadBalancedHostFilter

Related Doc: package http

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object LoadBalancedHostFilter

Adds host header to load balanced requests.

Example:

  1. Overriding the TlsFilter host header setting with this module:

    import com.twitter.finagle.Http
import com.twitter.finagle.loadbalancer.LoadBalancerFactory
Http.client.withStack(Http.client.stack.remove(TlsFilter.role)
  .insertAfter(LoadBalancerFactory.role, LoadBalancedHostFilter.module))
Note

Since this stack module expects a Transporter.EndpointAddr to be set, it only makes sense to configure it below a module that sets the Transporter.EndpointAddr (typically via com.twitter.finagle.loadbalancer.LoadBalancerFactory).

,

If Transporter.EndpointAddr was not created via java.net.InetSocketAddress.createUnresolved, the filter will make an asynchronous network call to determine the hostname.

See also

com.twitter.finagle.loadbalancer.LoadBalancerFactory for details on how Transporter.EndpointAddr is selected

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