prosody-modules
d4ce29c772ac
mod_discodot/mod_discodot.tl

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mod_discodot/mod_discodot.tl @ 4893:d4ce29c772ac

mod_graceful_shutdown: Close multiplex ports Another way clients might reconnect before the restart has been completed
author Kim Alvefur <zash@zash.se>
date Fri, 11 Feb 2022 16:13:09 +0100
parent 4577:253df0798996
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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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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 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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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)));
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Kim Alvefur <zash@zash.se>
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26 local parent = host:match("%.(.*)");
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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 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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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