Mercurial > prosody-modules

annotate mod_log_slow_events/mod_log_slow_events.lua @ 4239:313e293f44b3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_prometheus: Warn users to put statistics settings in the global section
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 10 Nov 2020 22:29:08 +0100
parents 3ba8fd1a297e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2849
5e74028557dc mod_log_slow_events: Turn into a shared module (fixes http events being logged multiple times)
Kim Alvefur <zash@zash.se>
parents: 2296
diff changeset
1 module:set_global();
5e74028557dc mod_log_slow_events: Turn into a shared module (fixes http events being logged multiple times)
Kim Alvefur <zash@zash.se>
parents: 2296
diff changeset
2
1680
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local time = require "socket".gettime;
1696
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
4 local base64_decode = require "util.encodings".base64.decode;
1680
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 local max_seconds = module:get_option_number("log_slow_events_threshold", 0.5);
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7
2296
8c0bf3151e37 mod_log_slow_events: Add metric to monitor number of slow events
Matthew Wild <mwild1@gmail.com>
parents: 1696
diff changeset
8 local measure_slow_event = module:measure("slow_events", "rate");
8c0bf3151e37 mod_log_slow_events: Add metric to monitor number of slow events
Matthew Wild <mwild1@gmail.com>
parents: 1696
diff changeset
9
1696
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
10 function event_wrapper(handlers, event_name, event_data)
1680
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 local start = time();
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 local ret = handlers(event_name, event_data);
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 local duration = time()-start;
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 if duration > max_seconds then
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 local data = {};
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 if event_data then
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 local function log_data(name, value)
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 if value then
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 table.insert(data, ("%s=%q"):format(name, value));
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 return true;
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 end
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 end
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 local sess = event_data.origin or event_data.session;
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 if sess then
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 log_data("ip", sess.ip);
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 if not log_data("full_jid", sess.full_jid) then
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 log_data("username", sess.username);
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 end
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 log_data("type", sess.type);
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 log_data("host", sess.host);
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 end
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 local stanza = event_data.stanza;
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 if stanza then
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 log_data("stanza", tostring(stanza));
1696
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
35 else
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
36 local request = event_data.request;
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
37 if request then
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
38 log_data("http_method", request.method);
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
39 log_data("http_path", request.path);
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
40 local auth = request.headers.authorization;
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
41 if auth then
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
42 local creds = auth:match("^Basic +(.+)$");
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
43 if creds then
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
44 local user = string.match(base64_decode(creds) or "", "^([^:]+):");
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
45 log_data("http_user", user);
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
46 end
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
47 end
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
48 end
1680
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 end
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 end
2296
8c0bf3151e37 mod_log_slow_events: Add metric to monitor number of slow events
Matthew Wild <mwild1@gmail.com>
parents: 1696
diff changeset
51 measure_slow_event();
1695
78b3b3add19c mod_log_slow_events: Minor improvement to log message
Matthew Wild <mwild1@gmail.com>
parents: 1680
diff changeset
52 module:log("warn", "Slow event '%s' took %0.2fs: %s", event_name, duration, next(data) and table.concat(data, ", ") or "no recognised data");
1680
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 end
a9df1f7e273d mod_log_slow_events: Log events that take a long time to process (including stanzas)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 return ret;
1696
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
55 end
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
56
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
57 local http_events = require "net.http.server"._events;
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
58 module:wrap_object_event(http_events, false, event_wrapper);
efc1d674eac0 mod_log_slow_events: Log slow HTTP requests
Matthew Wild <mwild1@gmail.com>
parents: 1695
diff changeset
59
2850
3ba8fd1a297e mod_log_slow_events: Also catch global events
Kim Alvefur <zash@zash.se>
parents: 2849
diff changeset
60 module:wrap_event(false, event_wrapper);
2849
5e74028557dc mod_log_slow_events: Turn into a shared module (fixes http events being logged multiple times)
Kim Alvefur <zash@zash.se>
parents: 2296
diff changeset
61 function module.add_host(module)
5e74028557dc mod_log_slow_events: Turn into a shared module (fixes http events being logged multiple times)
Kim Alvefur <zash@zash.se>
parents: 2296
diff changeset
62 module:wrap_event(false, event_wrapper);
5e74028557dc mod_log_slow_events: Turn into a shared module (fixes http events being logged multiple times)
Kim Alvefur <zash@zash.se>
parents: 2296
diff changeset
63 end