view mod_measure_message_length/mod_measure_message_length.lua @ 4578:d95fcde6e39d

mod_measure_lua: add openmetrics-spirited way to collect lua memory use In the spirit of separate collectors found in other Prometheus packages, this is a separate module to collect metrics related to the lua stack itself.
author Jonas Schäfer <jonas@wielicki.name>
date Sat, 29 May 2021 12:12:17 +0200
parents 6e70d354b7d8
children
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local bytes = module:measure("bytes", "sizes");
local lines = module:measure("lines", "distribution");
local words = module:measure("words", "distribution");

local function measure_length(event)
	local body = event.stanza:get_child_text("body");
	if body then
		bytes(#body);
		lines(select(2, body:gsub("[^\n]+","")));
		words(select(2, body:gsub("%S+","")));
	end
end

module:hook("message/full", measure_length);
module:hook("message/bare", measure_length);
module:hook("message/host", measure_length);

module:hook("pre-message/full", measure_length);
module:hook("pre-message/bare", measure_length);
module:hook("pre-message/host", measure_length);