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mod_firewall/marks.lib.lua @ 5691:ecfd7aece33b
mod_measure_modules: Report module statuses via OpenMetrics
Someone in the chat asked about a health check endpoint, which reminded
me of mod_http_status, which provides access to module statuses with
full details. After that, this idea came about, which seems natural.
As noted in the README, it could be used to monitor that critical
modules are in fact loaded correctly.
As more modules use the status API, the more useful this module and
mod_http_status becomes.
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 06 Oct 2023 18:34:39 +0200 |
parent | 5542:048284447643 |
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local mark_storage = module:open_store("firewall_marks"); local mark_map_storage = module:open_store("firewall_marks", "map"); local user_sessions = prosody.hosts[module.host].sessions; module:hook("firewall/marked/user", function (event) local user = user_sessions[event.username]; local marks = user and user.firewall_marks; if user and not marks then -- Load marks from storage to cache on the user object marks = mark_storage:get(event.username) or {}; user.firewall_marks = marks; --luacheck: ignore 122 end if marks then marks[event.mark] = event.timestamp; end local ok, err = mark_map_storage:set(event.username, event.mark, event.timestamp); if not ok then module:log("error", "Failed to mark user %q with %q: %s", event.username, event.mark, err); end return true; end, -1); module:hook("firewall/unmarked/user", function (event) local user = user_sessions[event.username]; local marks = user and user.firewall_marks; if marks then marks[event.mark] = nil; end local ok, err = mark_map_storage:set(event.username, event.mark, nil); if not ok then module:log("error", "Failed to unmark user %q with %q: %s", event.username, event.mark, err); end return true; end, -1);