Mercurial > prosody-modules
annotate mod_reload_components/mod_reload_components.lua @ 4542:fb4a50bf60f1
mod_prometheus: Invoke stats collection if in 'manual' mode
Since 10d13e0554f9 a special value for statistics_interval "manual"
exists, where a module is expected to invoke processing in connection to
collection of stats. This makes internal collection and exporting to
Prometheus happens at the same time with no chance of timers getting out
of sync.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Tue, 13 Apr 2021 23:53:53 +0200 |
parents | 85d04dd87f14 |
children |
rev | line source |
---|---|
2391
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
1 module:set_global(); |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
2 |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
3 local configmanager = require "core.configmanager"; |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
4 local hostmanager = require"core.hostmanager"; |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
5 |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
6 local function reload_components() |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
7 |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
8 --- Check if host configuration is a component |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
9 --- @param h hostname |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
10 local function config_is_component(h) |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
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 |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
12 end; |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
13 |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
14 --- Check if host / component configuration is active |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
15 --- @param h hostname / component name |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
16 local function component_is_new(h) |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
17 return h ~= "*" and not hosts[h]; -- If a host is not defined in hosts and it is not global, then it is new |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
18 end |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
19 |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
20 --- Search for new components that are not activated |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
21 for h, c in pairs(configmanager.getconfig()) do |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
22 if config_is_component(h) and component_is_new(h) then |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
23 module:log ("debug", "Loading new component %s", h ); |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
24 hostmanager.activate(h, c); |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
25 end |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
26 end |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
27 |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
28 --- Search for active components that are not enabled in the configmanager anymore |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
29 local enabled = {} |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
30 for h in pairs(configmanager.getconfig()) do |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
31 enabled[h] = true; -- Set true if it is defined in the configuration file |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
32 end |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
33 for h, c in pairs(hosts) do |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
34 if not enabled[h] then -- Deactivate if not present in the configuration file |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
35 hostmanager.deactivate(h,c); |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
36 end |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
37 end |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
38 end |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
39 |
85d04dd87f14
mod_reload_components: add new module and README file.
Camilo <camilo@camilo.fm>
parents:
diff
changeset
|
40 module:hook("config-reloaded", reload_components); |