prosody-modules
6d0574bfbf5d
mod_measure_lua/mod_measure_lua.lua

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mod_measure_lua/mod_measure_lua.lua @ 5600:6d0574bfbf5d

mod_client_management: Include software version in table (when known) Showing software versions could be useful for statistical reasons, e.g. determining how quickly (or not) users upgrade, but most importantly for revoking vulnerable clients versions in case of a security issue.
author Kim Alvefur <zash@zash.se>
date Thu, 13 Jul 2023 23:26:02 +0200
parent 4602:78f1515575ab
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4578
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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1 module:set_global()
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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2
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
parents:
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3 local custom_metric = require "core.statsmanager".metric
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
parents:
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4 local gc_bytes = custom_metric(
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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5 "gauge", "lua_heap", "bytes",
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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6 "Memory used by objects under control of the Lua garbage collector"
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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7 ):with_labels()
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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8
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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9 module:hook("stats-update", function ()
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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10 local kbytes = collectgarbage("count");
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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11 gc_bytes:set(kbytes * 1024);
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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12 end);
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13
4602
78f1515575ab mod_measure_lua: Use gauge instead of counter for Lua version (thanks jonas’)
Kim Alvefur <zash@zash.se>
parents: 4601
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14 custom_metric("gauge", "lua_info", "", "Lua runtime version", { "version" }):with_labels(_VERSION):set(1);