There are 2 use cases where this header might be useful and where at this moment we do NOT use it. The task is to provide support for it in such cases.
If the request does not contain the X-Forwarded-For header, we should add it inside the load balancers' logic (this value should be equal to the Host IP value). If the header already exists - do not modify it.
There are 2 use cases where this header might be useful and where at this moment we do NOT use it. The task is to provide support for it in such cases.
HashLoadBalancerImplwe make the decision to which instance the request is sent based on the Host value (https://github.com/pandafolks/panda/blob/master/loadBalancer/src/main/scala/com/github/pandafolks/panda/loadbalancer/HashLoadBalancerImpl.scala#:~:text=.map(_.host.toUriString)). The new implementation should first of all take the value fromX-Forwarded-Forheader and only when it doesn't exist take the Host value.X-Forwarded-Forheader, we should add it inside the load balancers' logic (this value should be equal to the Host IP value). If the header already exists - do not modify it.