See https://github.com/prometheus/client_java#http:
"All HTTP expostion integrations support restricting which time series to return using ?name[]= URL parameters." It's just code that allows you to add "?name[]=metric_name_to_filter_by" to the end of the /metrics URL, in case you don't want the client library to return all metric names. On Sun, May 17, 2020 at 8:55 PM Nipuni Chandimali <[email protected]> wrote: > I'm trying to understand the logic of the parseQuery() method in > Prometheus HTTP Server (implemented in Java). > > protected static Set<String> parseQuery(String query) throws IOException { > Set<String> names = new HashSet<String>(); > if (query != null) { > String[] pairs = query.split("&"); > for (String pair : pairs) { > int idx = pair.indexOf("="); > if (idx != -1 && URLDecoder.decode(pair.substring(0, idx), > "UTF-8").equals("name[]")) { > names.add(URLDecoder.decode(pair.substring(idx + 1), > "UTF-8")); > } > } > } > > return names; > > } > > Can somebody explain what is the logic behind checking whether the decoded > URL sub string is equal to name[] ? > > Regards > > > -- > You received this message because you are subscribed to the Google Groups > "Prometheus Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/prometheus-users/CAKHONj1oSTKYHj_FeNxfwK7MBXuo87hMv0Mjc59HDQHC4kwtPA%40mail.gmail.com > <https://groups.google.com/d/msgid/prometheus-users/CAKHONj1oSTKYHj_FeNxfwK7MBXuo87hMv0Mjc59HDQHC4kwtPA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- Julius Volz PromLabs - promlabs.com -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/CAObpH5zap2jRfMe%3DJZoVj9%3DsTwsspWAVH%2BshHGjX-fbO7ni8ew%40mail.gmail.com.
