dnsbl_exporter/config.ru
2018-12-14 14:58:11 +01:00

29 lines
810 B
Ruby

require 'rack'
require './dnsbl_exporter'
run lambda {|env|
begin
req = Rack::Request.new env
case req.path
when '/metrics'
collector = DnsblCollector.new
target =
begin
target = IPAddr.new req.params['target']
rescue IPAddr::AddressFamilyError
return [400, {"Content-Type" => "text/plain"}, ["Valid target-IP-Address expected.\n"]]
end
collector.collect target
[200, {"Content-Type" => "text/plain"}, [
Prometheus::Client::Formats::Text.marshal( collector.prometheus)
]]
else
[404, {"Content-Type" => "text/plain"}, ["Not found.\nYou want to try /metrics?\n"]]
end
rescue
STDERR.puts "#$! (#{$!.class})", $!.backtrace
[500, {"Content-Type" => "text/plain"}, ["Server-error.\n"]]
end
}