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annotate plugins/mod_http_openmetrics.lua @ 12525:8087f5357f53 0.12

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mod_smacks: Fix bounce of stanzas directed to full JID on unclean disconnect Fixes #1758 Introduced in 1ea01660c79a In e62025f949f9 to and from was inverted since it changed from acting on a reply to acting on the original stanza (or a clone thereof) Unsure of the purpose of this check, you don't usually send stanzas to your own full JID. Perhaps guarding against routing loops? The check was present in the original commit of mod_smacks, prosody-modules rev 9a7671720dec
author Kim Alvefur <zash@zash.se>
date Fri, 27 May 2022 12:05:47 +0200
parents b4f77a7bf8ab
children 74b9e05af71e
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1 -- Export statistics in OpenMetrics format
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2 --
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3 -- Copyright (C) 2014 Daurnimator
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4 -- Copyright (C) 2018 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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5 -- Copyright (C) 2021 Jonas Schäfer <jonas@zombofant.net>
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6 --
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7 -- This module is MIT/X11 licensed.
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9 module:set_global();
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11 local statsman = require "core.statsmanager";
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12 local ip = require "util.ip";
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13
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14 local get_metric_registry = statsman.get_metric_registry;
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15 local collect = statsman.collect;
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16
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17 local get_metrics;
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19 local permitted_ips = module:get_option_set("openmetrics_allow_ips", { "::1", "127.0.0.1" });
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20 local permitted_cidr = module:get_option_string("openmetrics_allow_cidr");
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21
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22 local function is_permitted(request)
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23 local ip_raw = request.ip;
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24 if permitted_ips:contains(ip_raw) or
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25 (permitted_cidr and ip.match(ip.new_ip(ip_raw), ip.parse_cidr(permitted_cidr))) then
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26 return true;
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27 end
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28 return false;
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29 end
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31 function get_metrics(event)
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32 if not is_permitted(event.request) then
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33 return 403; -- Forbidden
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34 end
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35
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36 local response = event.response;
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37 response.headers.content_type = "application/openmetrics-text; version=0.0.4";
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38
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39 if collect then
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40 -- Ensure to get up-to-date samples when running in manual mode
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41 collect()
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42 end
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43
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44 local registry = get_metric_registry()
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45 if registry == nil then
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46 response.headers.content_type = "text/plain; charset=utf-8"
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47 response.status_code = 404
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48 return "No statistics provider configured\n"
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49 end
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50
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51 return registry:render();
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52 end
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53
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54 module:depends "http";
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55 module:provides("http", {
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56 default_path = "metrics";
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57 route = {
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58 GET = get_metrics;
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59 };
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60 });