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plugins/mod_http_openmetrics.lua @ 13144:033ea8b46d6a
mod_storage_sql: Compose a keyval+ store out of keyval and map store methods
Removes the need for the shim in storagemanager.
The methods only really access the 'store' property of the first (self)
argument, so this is safe.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 10 Jun 2023 16:39:48 +0200 (19 months ago) |
parent | 12977:74b9e05af71e |
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-- Export statistics in OpenMetrics format -- -- Copyright (C) 2014 Daurnimator -- Copyright (C) 2018 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> -- Copyright (C) 2021 Jonas Schäfer <jonas@zombofant.net> -- -- This module is MIT/X11 licensed. module:set_global(); local statsman = require "prosody.core.statsmanager"; local ip = require "prosody.util.ip"; local get_metric_registry = statsman.get_metric_registry; local collect = statsman.collect; local get_metrics; local permitted_ips = module:get_option_set("openmetrics_allow_ips", { "::1", "127.0.0.1" }); local permitted_cidr = module:get_option_string("openmetrics_allow_cidr"); local function is_permitted(request) local ip_raw = request.ip; if permitted_ips:contains(ip_raw) or (permitted_cidr and ip.match(ip.new_ip(ip_raw), ip.parse_cidr(permitted_cidr))) then return true; end return false; end function get_metrics(event) if not is_permitted(event.request) then return 403; -- Forbidden end local response = event.response; response.headers.content_type = "application/openmetrics-text; version=0.0.4"; if collect then -- Ensure to get up-to-date samples when running in manual mode collect() end local registry = get_metric_registry() if registry == nil then response.headers.content_type = "text/plain; charset=utf-8" response.status_code = 404 return "No statistics provider configured\n" end return registry:render(); end module:depends "http"; module:provides("http", { default_path = "metrics"; route = { GET = get_metrics; }; });