Mercurial > prosody-modules
view mod_http_stats_stream/mod_http_stats_stream.lua @ 5648:c217f4edfc4f
misc/mtail: Start of an mtail config
Stashing it here in case anyone wants to continue working on it.
Currently it's only counting log messages by level.
Due to the permissions set by systemd on Prosody logs, mtail never
managed to start correctly until permissions were manually relaxed.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 17 Sep 2023 13:36:30 +0200 |
parents | bac3dae031ee |
children |
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module:set_global(); local statsman = require "core.statsmanager"; local http = require "net.http.server"; local json = require "util.json"; assert(statsman.get_stats, "not compatible with trunk based on openmetrics"); local sessions = {}; local function updates_client_closed(response) module:log("debug", "Streamstats client closed"); sessions[response] = nil; end local function get_updates(event) local request, response = event.request, event.response; response.on_destroy = updates_client_closed; response.headers.content_type = "text/event-stream"; response.headers.x_accel_buffering = "no"; -- for nginx maybe? local resp = http.prepare_header(response); table.insert(resp, "event: stats-full\r\n"); table.insert(resp, "data: "); table.insert(resp, json.encode(statsman.get_stats())); table.insert(resp, "\r\n\r\n"); response.conn:write(table.concat(resp)); sessions[response] = request; return true; end module:hook("stats-updated", function (event) local data = table.concat({ "event: stats-updated"; "data: "..json.encode(event.changed_stats); ""; ""; }, "\r\n") for response in pairs(sessions) do response.conn:write(data); end end); module:depends("http"); module:provides("http", { route = { GET = get_updates; } });