annotate mod_statsd/mod_statsd.lua @ 5160:8474a3b80200

mod_firewall: Fix 'is_admin' internal dependency rule #1797 (thanks diane) Looks like the boolean logic was inverted here. Instead, for now, simply check if is_admin is there. It is deprecated in trunk and was briefly removed before being brought back with a 'deprecated' warning as part of the new roles and permissions work. Making this dependency conditioned on the existence of the underlying function should make it work until it actually goes away for real.
author Kim Alvefur <zash@zash.se>
date Fri, 27 Jan 2023 23:06:25 +0100
parents c3a039972b74
children
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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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11
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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)