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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> |
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date | Thu, 09 May 2013 10:19:24 +0100 |
child | 1013:8285c3502100 |
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1005:591590de34ef | 1006:9c88960b0f81 |
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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); |