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comparison mod_reload_components/mod_reload_components.lua @ 2391:85d04dd87f14

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mod_reload_components: add new module and README file.
author Camilo <camilo@camilo.fm>
date Mon, 21 Nov 2016 16:18:32 -0200
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2390:28fbe960adcf 2391:85d04dd87f14
1 module:set_global();
2
3 local configmanager = require "core.configmanager";
4 local hostmanager = require"core.hostmanager";
5
6 local function reload_components()
7
8 --- Check if host configuration is a component
9 --- @param h hostname
10 local function config_is_component(h)
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
12 end;
13
14 --- Check if host / component configuration is active
15 --- @param h hostname / component name
16 local function component_is_new(h)
17 return h ~= "*" and not hosts[h]; -- If a host is not defined in hosts and it is not global, then it is new
18 end
19
20 --- Search for new components that are not activated
21 for h, c in pairs(configmanager.getconfig()) do
22 if config_is_component(h) and component_is_new(h) then
23 module:log ("debug", "Loading new component %s", h );
24 hostmanager.activate(h, c);
25 end
26 end
27
28 --- Search for active components that are not enabled in the configmanager anymore
29 local enabled = {}
30 for h in pairs(configmanager.getconfig()) do
31 enabled[h] = true; -- Set true if it is defined in the configuration file
32 end
33 for h, c in pairs(hosts) do
34 if not enabled[h] then -- Deactivate if not present in the configuration file
35 hostmanager.deactivate(h,c);
36 end
37 end
38 end
39
40 module:hook("config-reloaded", reload_components);