ansible-roles/roles/jitsi/files/prosody/modules/mod_debug_traceback.lua
2024-07-22 23:00:11 +02:00

55 lines
1.6 KiB
Lua

module:set_global();
local traceback = require "util.debug".traceback;
local pposix = require "util.pposix";
local os_date = os.date;
local render_filename = require "util.interpolation".new("%b{}", function (s) return s; end, {
yyyymmdd = function (t)
return os_date("%Y%m%d", t);
end;
hhmmss = function (t)
return os_date("%H%M%S", t);
end;
});
local count = 0;
local function get_filename(filename_template)
filename_template = filename_template;
return render_filename(filename_template, {
paths = prosody.paths;
pid = pposix.getpid();
count = count;
time = os.time();
});
end
local default_filename_template = "{paths.data}/traceback-{pid}-{count}.log";
local filename_template = module:get_option_string("debug_traceback_filename", default_filename_template);
local signal_name = module:get_option_string("debug_traceback_signal", "SIGUSR1");
function dump_traceback()
module:log("info", "Received %s, writing traceback", signal_name);
local tb = traceback();
module:fire_event("debug_traceback/triggered", { traceback = tb });
local f, err = io.open(get_filename(filename_template), "a+");
if not f then
module:log("error", "Unable to write traceback: %s", err);
return;
end
f:write("-- Traceback generated at ", os.date("%b %d %H:%M:%S"), " --\n");
f:write(tb, "\n");
f:write("-- End of traceback --\n");
f:close();
count = count + 1;
end
local mod_posix = module:depends("posix");
if rawget(mod_posix, "features") and mod_posix.features.signal_events then
module:hook("signal/"..signal_name, dump_traceback);
else
require"util.signal".signal(signal_name, dump_traceback);
end