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comparison mod_auto_activate_hosts/mod_auto_activate_hosts.lua @ 1006:9c88960b0f81

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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
parents
children 8285c3502100
comparison
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1005:591590de34ef 1006:9c88960b0f81
1 module:set_global();
2
3 local array = require "util.array";
4 local set = require "util.set";
5 local it = require "util.iterators";
6 local config = require "core.configmanager";
7
8 local function host_not_global(host)
9 return host ~= "*";
10 end
11
12 local function host_is_enabled(host)
13 return config.get(host, "enabled") ~= false;
14 end
15
16 function handle_reload()
17 local new_config = config.getconfig();
18 local active_hosts = set.new(array.collect(it.keys(prosody.hosts)):filter(host_not_global));
19 local enabled_hosts = set.new(array.collect(it.keys(new_config)):filter(host_is_enabled));
20 local need_to_activate = enabled_hosts - active_hosts;
21 local need_to_deactivate = active_hosts - enabled_hosts;
22
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));
24 module:log("debug", "There are %d enabled and %d active hosts", it.count(enabled_hosts), it.count(active_hosts));
25 for host in need_to_deactivate do
26 hostmanager.deactivate(host);
27 end
28
29 -- If the lazy loader is loaded, hosts will get activated when they are needed
30 if not(getmetatable(prosody.hosts) and getmetatable(prosody.hosts).lazy_loader) then
31 for host in need_to_activate do
32 hostmanager.activate(host);
33 end
34 end
35 end
36
37 module:hook_global("config-reloaded", handle_reload);