nginx-tools.conf in rubber-2.8.1

- old
+ new

@@ -17,10 +17,10 @@
 <%
   Array(rubber_env.web_tools_proxies).each do |name, settings|
     proxy_host = rubber_instances.for_role(settings.role).first.full_name rescue nil
     next unless proxy_host
 
-    host = "#{name}-#{rubber_env.full_host}"
+    host = "#{name.gsub('_', '-')}-#{rubber_env.full_host}"
     host_and_port = "#{host}:#{rubber_env.web_tools_ssl_port}"
 
     # don't use settings.path here - mapping the host/port is sufficient,
     # and path can be done in tools-index.html.  This allows admin sites
     # that hit other paths on same host/port to still function, e.g. elasticsearch