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annotate mod_discodot/mod_discodot.tl @ 5442:7480dde4cd2e

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mod_auth_oauth_external: Stub not implemented auth module methods Not providing some of these may trigger errors on use, which is something that would be nice to fix on the Prosody side, one day.
author Kim Alvefur <zash@zash.se>
date Wed, 10 May 2023 19:11:25 +0200
parents 253df0798996
children
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4577
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:string, conf:{string:any}) : string
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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
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"];
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8 if component_module is 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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17 end
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18
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19 function module.command(arg : { string }) : integer
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20
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21 local config : { string : { string : any } } = 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
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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("%.(.*)");
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Kim Alvefur <zash@zash.se>
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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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Kim Alvefur <zash@zash.se>
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31 if disco_items is { { string, string } } 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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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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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