prosody-modules
9c88960b0f81
mod_auto_activate_hosts/mod_auto_activate_hosts.lua

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mod_auto_activate_hosts/mod_auto_activate_hosts.lua @ 1006:9c88960b0f81

mod_auto_activate_hosts: Automatically activate and deactivate hosts when they are added/removed from the config
author Matthew Wild <mwild1@gmail.com>
date Thu, 09 May 2013 10:19:24 +0100
child 1013:8285c3502100
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1 module:set_global();
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2
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3 local array = require "util.array";
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4 local set = require "util.set";
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5 local it = require "util.iterators";
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6 local config = require "core.configmanager";
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7
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8 local function host_not_global(host)
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9 return host ~= "*";
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10 end
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11
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12 local function host_is_enabled(host)
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13 return config.get(host, "enabled") ~= false;
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14 end
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15
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16 function handle_reload()
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17 local new_config = config.getconfig();
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18 local active_hosts = set.new(array.collect(it.keys(prosody.hosts)):filter(host_not_global));
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19 local enabled_hosts = set.new(array.collect(it.keys(new_config)):filter(host_is_enabled));
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20 local need_to_activate = enabled_hosts - active_hosts;
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21 local need_to_deactivate = active_hosts - enabled_hosts;
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22
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23 module:log("debug", "Config reloaded... %d hosts need activating, and %d hosts need deactivating", it.count(need_to_activate), it.count(need_to_deactivate));
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24 module:log("debug", "There are %d enabled and %d active hosts", it.count(enabled_hosts), it.count(active_hosts));
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25 for host in need_to_deactivate do
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26 hostmanager.deactivate(host);
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27 end
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28
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29 -- If the lazy loader is loaded, hosts will get activated when they are needed
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30 if not(getmetatable(prosody.hosts) and getmetatable(prosody.hosts).lazy_loader) then
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31 for host in need_to_activate do
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32 hostmanager.activate(host);
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33 end
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34 end
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35 end
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36
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37 module:hook_global("config-reloaded", handle_reload);