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annotate mod_audit_status/mod_audit_status.lua @ 5743:9944c6c3e914

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mod_audit_status: Support writing heartbeat with async storage drivers
author Matthew Wild <mwild1@gmail.com>
date Wed, 29 Nov 2023 12:14:49 +0000
parents 14b6397cd6de
children bd0abf821cef
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1 module:depends("audit");
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2
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3 local st = require "util.stanza";
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4
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5 -- Suppress warnings about module:audit()
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6 -- luacheck: ignore 143/module
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7
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8 local heartbeat_interval = module:get_option_number("audit_status_heartbeat_interval", 60);
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9
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10 local store = module:open_store(nil, "keyval+");
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11
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12 module:hook_global("server-started", function ()
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13 local recorded_status = store:get();
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14 if recorded_status and recorded_status.status == "started" then
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15 module:audit(nil, "server-crashed", { timestamp = recorded_status.heartbeat });
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16 end
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17 module:audit(nil, "server-started");
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18 store:set_key(nil, "status", "started");
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19 end);
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20
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21 module:hook_global("server-stopped", function ()
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22 module:audit(nil, "server-stopped", {
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23 custom = {
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24 prosody.shutdown_reason and st.stanza("note"):text(prosody.shutdown_reason);
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25 };
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26 });
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27 store:set_key(nil, "status", "stopped");
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28 end);
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29
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30 if heartbeat_interval then
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31 local async = require "util.async";
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32 local heartbeat_writer = async.runner(function (timestamp)
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33 store:set_key(nil, "heartbeat", timestamp);
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34 end);
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35
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36 module:add_timer(0, function ()
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37 heartbeat_writer:run(os.time());
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38 return heartbeat_interval;
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39 end);
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40 end