Mercurial > prosody-modules

annotate mod_reload_components/mod_reload_components.lua @ 4312:33a41503b9e3

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Improve UX by providing defaults users expect
author Seve Ferrer <seve@delape.net>
date Tue, 22 Dec 2020 11:27:20 +0100
parents 85d04dd87f14
children
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85d04dd87f14 mod_reload_components: add new module and README file.
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1 module:set_global();
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2
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3 local configmanager = require "core.configmanager";
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4 local hostmanager = require"core.hostmanager";
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5
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6 local function reload_components()
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7
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8 --- Check if host configuration is a component
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9 --- @param h hostname
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10 local function config_is_component(h)
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11 return h ~= nil and configmanager.get(h, "component_module") ~= nil; -- If a host has a component module defined within it, then it is a component
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12 end;
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13
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14 --- Check if host / component configuration is active
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15 --- @param h hostname / component name
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16 local function component_is_new(h)
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17 return h ~= "*" and not hosts[h]; -- If a host is not defined in hosts and it is not global, then it is new
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18 end
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19
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20 --- Search for new components that are not activated
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21 for h, c in pairs(configmanager.getconfig()) do
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22 if config_is_component(h) and component_is_new(h) then
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23 module:log ("debug", "Loading new component %s", h );
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24 hostmanager.activate(h, c);
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25 end
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26 end
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27
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28 --- Search for active components that are not enabled in the configmanager anymore
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29 local enabled = {}
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30 for h in pairs(configmanager.getconfig()) do
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31 enabled[h] = true; -- Set true if it is defined in the configuration file
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32 end
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33 for h, c in pairs(hosts) do
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34 if not enabled[h] then -- Deactivate if not present in the configuration file
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35 hostmanager.deactivate(h,c);
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36 end
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37 end
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38 end
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39
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40 module:hook("config-reloaded", reload_components);