Mercurial > prosody-modules

annotate mod_discodot/mod_discodot.lua @ 6317:7b693a5539ad

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mod_auth_http_async: Update documentation The required async APIs were included in 0.10.0, but at the time of this writing we only consider 0.12.x and later supported. The fallback sync API would have made it work with even earlier versions, but I don't remember specifically and it doesn't matter.
author Kim Alvefur <zash@zash.se>
date Tue, 02 Sep 2025 21:32:01 +0200
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");
253df0798996 mod_discodot: Print a graph of service discovery
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2
253df0798996 mod_discodot: Print a graph of service discovery
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3 local function format_host(host, conf)
253df0798996 mod_discodot: Print a graph of service discovery
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4 if host == "*" then
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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5 return "Global"
253df0798996 mod_discodot: Print a graph of service discovery
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6 end
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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7 local component_module = conf["component_module"];
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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8 if type(component_module) == "string" then
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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9 if component_module == "component" then
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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10 return string.format("Component %q", host)
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11 else
253df0798996 mod_discodot: Print a graph of service discovery
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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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Kim Alvefur <zash@zash.se>
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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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Kim Alvefur <zash@zash.se>
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18
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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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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Kim Alvefur <zash@zash.se>
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23 print("digraph \"prosody\" {")
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Kim Alvefur <zash@zash.se>
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24 for host, conf in pairs(config) do
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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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
Kim Alvefur <zash@zash.se>
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26 local parent = host:match("%.(.*)");
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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27 if parent and rawget(config, parent) then
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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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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Kim Alvefur <zash@zash.se>
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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
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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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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Kim Alvefur <zash@zash.se>
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37 end
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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38
253df0798996 mod_discodot: Print a graph of service discovery
Kim Alvefur <zash@zash.se>
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39 print("}")
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40
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41 return 0
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42 end