Mercurial > prosody-modules

annotate mod_discodot/mod_discodot.lua @ 6556:7477e97a9045

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mod_firewall: Apply pre-reload state before re-reading config This change makes load/reload a bit more robust. module.load() runs before module.restore() and it reads from the config and updates the state (if needed). However, after this, module.restore() could run and apply the old state again.
author Matthew Wild <mwild1@gmail.com>
date Sun, 24 May 2026 20:03:20 +0100
parents 253df0798996
children
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253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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1 local cm = require("core.configmanager");
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2
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3 local function format_host(host, conf)
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4 if host == "*" then
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Kim Alvefur <zash@zash.se>
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5 return "Global"
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6 end
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Kim Alvefur <zash@zash.se>
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7 local component_module = conf["component_module"];
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8 if type(component_module) == "string" then
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Kim Alvefur <zash@zash.se>
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9 if component_module == "component" then
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10 return string.format("Component %q", host)
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11 else
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12 return string.format("Component %q %q", host, component_module)
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13 end
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14 else
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15 return string.format("VirtualHost %q", host)
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16 end
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Kim Alvefur <zash@zash.se>
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17 end
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18
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19 function module.command(arg)
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20
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21 local config = cm.getconfig();
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22
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23 print("digraph \"prosody\" {")
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24 for host, conf in pairs(config) do
253df0798996 mod_discodot: Print a graph of service discovery
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25 print(string.format("%q [label=%q]", host, format_host(host, conf)));
253df0798996 mod_discodot: Print a graph of service discovery
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26 local parent = host:match("%.(.*)");
253df0798996 mod_discodot: Print a graph of service discovery
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27 if parent and rawget(config, parent) then
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28 print(string.format("%q -> %q", parent, host));
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29 end
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Kim Alvefur <zash@zash.se>
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30 local disco_items = conf["disco_items"]
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31 if type(disco_items) == "table" then
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Kim Alvefur <zash@zash.se>
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32 for _, pair in ipairs(disco_items) do
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33 print(string.format("%q -> %q", host, pair[1]));
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34 end
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35 end
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Kim Alvefur <zash@zash.se>
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36
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37 end
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38
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39 print("}")
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40
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41 return 0
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42 end