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annotate mod_support_contact/mod_support_contact.lua @ 5668:ecfd7aece33b

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mod_measure_modules: Report module statuses via OpenMetrics Someone in the chat asked about a health check endpoint, which reminded me of mod_http_status, which provides access to module statuses with full details. After that, this idea came about, which seems natural. As noted in the README, it could be used to monitor that critical modules are in fact loaded correctly. As more modules use the status API, the more useful this module and mod_http_status becomes.
author Kim Alvefur <zash@zash.se>
date Fri, 06 Oct 2023 18:34:39 +0200
parents 7dbde05b48a9
children
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1 -- mod_support_contact.lua
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2 --
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3 -- Config options:
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4 -- support_contact = "support@hostname"; -- a JID
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5 -- support_contact_nick = "Support!"; -- roster nick
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6 -- support_contact_group = "Users being supported!"; -- the roster group in the support contact's roster
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8 local host = module:get_host();
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10 local support_contact = module:get_option_string("support_contact", "support@"..host);
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11 local support_contact_nick = module:get_option_string("support_contact_nick", "Support");
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12 local support_contact_group = module:get_option_string("support_contact_group", "Users");
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14 if not(support_contact and support_contact_nick) then return; end
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16 local rostermanager = require "core.rostermanager";
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17 local jid_split = require "util.jid".split;
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18 local st = require "util.stanza";
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20 module:hook("user-registered", function(event)
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21 module:log("debug", "Adding support contact");
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23 local groups = support_contact_group and {[support_contact_group] = true;} or {};
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25 local node, host = event.username, event.host;
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26 local jid = node and (node..'@'..host) or host;
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27 local roster;
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29 roster = rostermanager.load_roster(node, host);
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30 if hosts[host] then
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31 roster[support_contact] = {subscription = "both", name = support_contact_nick, groups = {}};
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32 else
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33 roster[support_contact] = {subscription = "from", ask = "subscribe", name = support_contact_nick, groups = {}};
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34 end
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35 rostermanager.save_roster(node, host, roster);
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37 node, host = jid_split(support_contact);
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39 if hosts[host] then
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40 roster = rostermanager.load_roster(node, host);
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41 roster[jid] = {subscription = "both", groups = groups};
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42 rostermanager.save_roster(node, host, roster);
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43 rostermanager.roster_push(node, host, jid);
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44 else
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45 module:send(st.presence({from=jid, to=support_contact, type="subscribe"}));
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46 end
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47 end);