prosody-modules
aae94f82c56e
mod_statsd/mod_statsd.lua

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mod_statsd/mod_statsd.lua @ 6307:aae94f82c56e

mod_http_oauth2: Refactor to return all errors to Device clients Previously only a single case was returned to device clients, now all error conditions that pass trough the error_response() are covered.
author Kim Alvefur <zash@zash.se>
date Fri, 13 Jun 2025 21:30:56 +0200
parent 2875:c3a039972b74
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1 -- Log common stats to statsd
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2 --
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3 -- Copyright (C) 2014 Daurnimator
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4 --
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5 -- This module is MIT/X11 licensed.
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6
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7 local socket = require "socket"
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8 local iterators = require "util.iterators"
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9 local jid = require "util.jid"
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10 local bare_sessions = prosody.bare_sessions;
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12 local options = module:get_option("statsd") or {}
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13
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14 -- Create UDP socket to statsd server
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15 local sock = socket.udp()
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16 sock:setpeername(options.hostname or "127.0.0.1", options.port or 8125)
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17
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18 -- Metrics are namespaced by ".", and separated by newline
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19 function clean(s) return (s:gsub("[%.:\n]", "_")) end
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20
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21 -- A 'safer' send function to expose
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22 function send(s) return sock:send(s) end
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23
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24 -- prefix should end in "."
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25 local prefix = (options.prefix or "prosody") .. "."
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26 if not options.no_host then
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27 prefix = prefix .. clean(module.host) .. "."
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28 end
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29
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30 -- Track users as they bind/unbind
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31 -- count bare sessions every time, as we have no way to tell if it's a new bare session or not
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32 module:hook("resource-bind", function(event)
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33 send(prefix.."bare_sessions:"..iterators.count(pairs(bare_sessions)).."|g")
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34 send(prefix.."full_sessions:+1|g")
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35 end, 1)
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36 module:hook("resource-unbind", function(event)
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37 send(prefix.."bare_sessions:"..iterators.count(pairs(bare_sessions)).."|g")
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38 send(prefix.."full_sessions:-1|g")
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39 end, 1)
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40
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41 -- Track MUC occupants as they join/leave
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42 module:hook("muc-occupant-joined", function(event)
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43 send(prefix.."n_occupants:+1|g")
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44 local room_node = jid.split(event.room.jid)
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45 send(prefix..clean(room_node)..".occupants:+1|g")
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46 end)
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47 module:hook("muc-occupant-left", function(event)
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48 send(prefix.."n_occupants:-1|g")
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49 local room_node = jid.split(event.room.jid)
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50 send(prefix..clean(room_node)..".occupants:-1|g")
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51 end)
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52
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53 -- Misc other MUC
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54 module:hook("muc-broadcast-message", function(event)
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55 send(prefix.."broadcast-message:1|c")
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56 local room_node = jid.split(event.room.jid)
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57 send(prefix..clean(room_node)..".broadcast-message:1|c")
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58 end)
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59 module:hook("muc-invite", function(event)
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60 -- Total count
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61 send(prefix.."invite:1|c")
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62 local room_node = jid.split(event.room.jid)
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63 -- Counts per room
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64 send(prefix..clean(room_node)..".invite:1|c")
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65 -- Counts per recipient
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66 send(prefix..clean(event.stanza.attr.to)..".invited:1|c")
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67 end)
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68 module:hook("muc-decline", function(event)
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69 -- Total count
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70 send(prefix.."decline:1|c")
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71 local room_node = jid.split(event.room.jid)
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72 -- Counts per room
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73 send(prefix..clean(room_node)..".decline:1|c")
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74 -- Counts per sender
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75 send(prefix..clean(event.incoming.attr.from)..".declined:1|c")
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76 end)