Mercurial > prosody-modules

annotate mod_debug_traceback/mod_debug_traceback.lua @ 5851:dde9d21a599f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_traceback: Hook signal via event instead of directly Safer this way, see Prosody trunk rev 69faf3552d52
author Kim Alvefur <zash@zash.se>
date Sat, 02 Mar 2024 14:47:09 +0100
parents 0358fcf14cd6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4214
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 module:set_global();
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local traceback = require "util.debug".traceback;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 local pposix = require "util.pposix";
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 local os_date = os.date;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 local render_filename = require "util.interpolation".new("%b{}", function (s) return s; end, {
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 yyyymmdd = function (t)
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 return os_date("%Y%m%d", t);
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 end;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 hhmmss = function (t)
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 return os_date("%H%M%S", t);
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 end;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 });
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 local count = 0;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 local function get_filename(filename_template)
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 filename_template = filename_template;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 return render_filename(filename_template, {
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 paths = prosody.paths;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 pid = pposix.getpid();
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 count = count;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 time = os.time();
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 });
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 end
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 local default_filename_template = "{paths.data}/traceback-{pid}-{count}.log";
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 local filename_template = module:get_option_string("debug_traceback_filename", default_filename_template);
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 local signal_name = module:get_option_string("debug_traceback_signal", "SIGUSR1");
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 function dump_traceback()
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 module:log("info", "Received %s, writing traceback", signal_name);
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 local tb = traceback();
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 module:fire_event("debug_traceback/triggered", { traceback = tb });
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 local f, err = io.open(get_filename(filename_template), "a+");
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 if not f then
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 module:log("error", "Unable to write traceback: %s", err);
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 return;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 end
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 f:write("-- Traceback generated at ", os.date("%b %d %H:%M:%S"), " --\n");
4217
983565f42063 mod_debug_traceback: Fix to use the cached traceback
Matthew Wild <mwild1@gmail.com>
parents: 4214
diff changeset
43 f:write(tb, "\n");
4214
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 f:write("-- End of traceback --\n");
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 f:close();
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 count = count + 1;
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 end
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48
5850
0358fcf14cd6 mod_debug_traceback: Remove direct POSIX signal handling, require Prosody 0.12+
Kim Alvefur <zash@zash.se>
parents: 4222
diff changeset
49 module:hook("signal/"..signal_name, dump_traceback);