Support to set loadBalancerKey from request header #451
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When I write myself
MyRule
implementsIRule
, the key is always null, like below:By watching the source code, I find there's no where to set this
loadBalancerKey
. So I push this PR to resolve this problem by overridingFeignLoadBalancer#customizeLoadBalancerCommandBuilder
method.By this way, I can put my
loadBalancerKey
fromfeign.RequestInterceptor
implementation like this:Then in
MyRule
I can get the key:This is all.