prosody-modules
e44b868cc575
mod_graceful_shutdown/mod_graceful_shutdown.lua

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mod_graceful_shutdown/mod_graceful_shutdown.lua @ 5061:e44b868cc575

mod_storage_appendmap: Fix keyvalue writes store_raw() takes a filename, unlike most other datamanager functions that take a series of path components, leading to this bug where it would write the hostname into a file named after the first argument (commonly a username) in the working directory.
author Kim Alvefur <zash@zash.se>
date Sun, 09 Oct 2022 21:35:18 +0200
parent 4893:d4ce29c772ac
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rev   line source
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4652a112a4ba mod_graceful_shutdown: Experiment in improving the shutdown experience
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1 -- luacheck: ignore 122/prosody 113/prosody
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2
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3 local timer = require "util.timer";
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4 local portman = require "core.portmanager";
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5 local server = require "net.server";
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6
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7 module:set_global();
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8 local orig_shutdown = prosody.shutdown;
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9
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10 local pause = module:get_option_number("shutdown_pause", 1);
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11
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12 function module.unload()
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13 prosody.shutdown = orig_shutdown;
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14 end
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15
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16 prosody.shutdown = coroutine.wrap(function (reason, code)
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17 prosody.shutdown_reason = reason;
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18 prosody.shutdown_code = code;
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19 timer.add_task(pause, prosody.shutdown);
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20 coroutine.yield(true, "shutdown initiated");
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21 -- Close c2s ports, stop accepting new connections
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22 portman.deactivate("c2s");
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23 portman.deactivate("legacy_ssl");
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24 portman.deactivate("c2s_direct_tls");
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25
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26 -- Close multiplexing ports to ensure c2s is not reachable via those either
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27 portman.deactivate("multiplex");
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28 portman.deactivate("multiplex_ssl");
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29 portman.deactivate("proxy"); -- mod_net_proxy
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30
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31 -- Close all c2s sessions
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32 for _, sess in pairs(prosody.full_sessions) do
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33 sess:close{ condition = "system-shutdown", text = reason }
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34 end
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35 -- Wait for notifications to be sent
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36 coroutine.yield(pause);
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37 -- Event for everything else to shut down
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38 prosody.events.fire_event("server-stopping", {
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39 reason = reason;
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40 code = code;
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41 });
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42 -- And wait
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43 coroutine.yield(pause);
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44 -- And stop main event loop
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45 server.setquitting(true);
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46 -- And wait for death
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47 coroutine.yield(pause * 3);
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48 -- you came back? die zombie!
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49 os.exit(1);
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50 end);