annotate mod_traceback/mod_traceback.lua @ 4776:13e913471b75

mod_http_admin_api: Ensure freshness of metrics when in manual mode When in manual collection mode, as recommended for Prometheus, collection needs to be triggered manually, or they would be stale, possibly dating from the start of the server. This might vary per metric depending on how and when the metrics are gathered.
author Kim Alvefur <zash@zash.se>
date Thu, 18 Nov 2021 19:26:07 +0100
parents 7a4e8dbbd30d
children dde9d21a599f
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7a4e8dbbd30d mod_traceback: Write current stack trace to file on SIGUSR1
Matthew Wild <mwild1@gmail.com>
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1 module:set_global();
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7a4e8dbbd30d mod_traceback: Write current stack trace to file on SIGUSR1
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3 local traceback = require "util.debug".traceback;
7a4e8dbbd30d mod_traceback: Write current stack trace to file on SIGUSR1
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7a4e8dbbd30d mod_traceback: Write current stack trace to file on SIGUSR1
Matthew Wild <mwild1@gmail.com>
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5 require"util.signal".signal(module:get_option_string(module.name, "SIGUSR1"), function ()
7a4e8dbbd30d mod_traceback: Write current stack trace to file on SIGUSR1
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6 module:log("info", "Received SIGUSR1, writing traceback");
7a4e8dbbd30d mod_traceback: Write current stack trace to file on SIGUSR1
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7 local f = io.open(prosody.paths.data.."/traceback.txt", "a+");
7a4e8dbbd30d mod_traceback: Write current stack trace to file on SIGUSR1
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8 f:write(traceback(), "\n");
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9 f:close();
7a4e8dbbd30d mod_traceback: Write current stack trace to file on SIGUSR1
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10 end);
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