Mercurial > prosody-modules
view mod_storage_xmlarchive/datamanager_append_raw.lib.lua @ 4776:13e913471b75
mod_http_admin_api: Ensure freshness of metrics when in manual mode
When in manual collection mode, as recommended for Prometheus,
collection needs to be triggered manually, or they would be stale,
possibly dating from the start of the server. This might vary per metric
depending on how and when the metrics are gathered.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 18 Nov 2021 19:26:07 +0100 |
parents | f4ab0966ba89 |
children |
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local io_open = io.open; local dm = require "core.storagemanager".olddm; -- Append a blob of data to a file function dm.append_raw(username, host, datastore, ext, data) if type(data) ~= "string" then return; end local filename = dm.getpath(username, host, datastore, ext, true); local ok; local f, msg = io_open(filename, "r+"); if not f then -- File did probably not exist, let's create it f, msg = io_open(filename, "w"); if not f then return nil, msg, "open"; end end local pos = f:seek("end"); ok, msg = f:write(data); if not ok then f:close(); return ok, msg, "write"; end ok, msg = f:close(); if not ok then return ok, msg; end return true, pos; end