I'm looking at Thanos/Prometheus resource usage and noticed there's significant spam for ncredir_requests_total in the vhost label, looks like this is user-controlled (?)
ncredir_requests_total{cluster="misc",instance="ncredir1001:3904",job="ncredir",method="GET",prog="ncredir.mtail",scheme="http",site="eqiad",status="301",vhost="73da8.sesel.top"}
ncredir_requests_total{cluster="misc",instance="ncredir1001:3904",job="ncredir",method="GET",prog="ncredir.mtail",scheme="http",site="eqiad",status="301",vhost="7a3jz.t6g.top"} 13
ncredir_requests_total{cluster="misc",instance="ncredir1001:3904",job="ncredir",method="GET",prog="ncredir.mtail",scheme="http",site="eqiad",status="301",vhost="7b99c312.telot.top"}Can we either ditch the label altogether (is it used anywhere?) or sanitize it somehow?
