prosody
4dbca0858f0b
plugins/mod_cron.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

plugins/mod_cron.lua @ 12248:4dbca0858f0b

mod_pep: Correct initialization of fallback service I'm not sure what went wrong here, copy-paste mistake? Doesn't matter as long as nobody can create nodes on this service.
author Kim Alvefur <zash@zash.se>
date Thu, 03 Feb 2022 09:46:19 +0100
parent 12186:7f25ac9d8f0d
child 12489:8b42575738f0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
11986
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 module:set_global();
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 local async = require("util.async");
12000
00c57684cf20 mod_cron: Follow convention of imports at the top
Kim Alvefur <zash@zash.se>
parents: 11995
diff changeset
4 local datetime = require("util.datetime");
11986
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5
12002
cbed7d8d8f35 mod_cron: Add a 'weekly' job frequency
Kim Alvefur <zash@zash.se>
parents: 12001
diff changeset
6 local periods = { hourly = 3600; daily = 86400; weekly = 7 * 86400 }
11986
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 local active_hosts = {}
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 function module.add_host(host_module)
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local last_run_times = host_module:open_store("cron", "map");
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 active_hosts[host_module.host] = true;
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 local function save_task(task, started_at) last_run_times:set(nil, task.id, started_at); end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 local function task_added(event)
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 local task = event.item;
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 if task.name == nil then task.name = task.when; end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 if task.id == nil then task.id = event.source.name .. "/" .. task.name:gsub("%W", "_"):lower(); end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 if task.last == nil then task.last = last_run_times:get(nil, task.id); end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 task.save = save_task;
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 module:log("debug", "%s task %s added, last run %s", task.when, task.id,
12000
00c57684cf20 mod_cron: Follow convention of imports at the top
Kim Alvefur <zash@zash.se>
parents: 11995
diff changeset
24 task.last and datetime.datetime(task.last) or "never");
12001
5a8c6f9a4583 mod_cron: Initialize timestamp of new tasks to start of period
Kim Alvefur <zash@zash.se>
parents: 12000
diff changeset
25 if task.last == nil then
11995
bbd3ac65640d mod_cron: Initialize daily tasks so they run around midnight UTC
Kim Alvefur <zash@zash.se>
parents: 11986
diff changeset
26 local now = os.time();
12001
5a8c6f9a4583 mod_cron: Initialize timestamp of new tasks to start of period
Kim Alvefur <zash@zash.se>
parents: 12000
diff changeset
27 task.last = now - now % periods[task.when];
11995
bbd3ac65640d mod_cron: Initialize daily tasks so they run around midnight UTC
Kim Alvefur <zash@zash.se>
parents: 11986
diff changeset
28 end
11986
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 return true
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 local function task_removed(event)
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 local task = event.item;
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 host_module:log("debug", "Task %s removed", task.id);
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 return true
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 host_module:handle_items("task", task_added, task_removed, true);
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 function host_module.unload() active_hosts[host_module.host] = nil; end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42
12186
7f25ac9d8f0d mod_cron: Allow for a small amount of timer drift
Kim Alvefur <zash@zash.se>
parents: 12009
diff changeset
43 local function should_run(when, last) return not last or last + periods[when] * 0.995 <= os.time() end
11986
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 local function run_task(task)
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 local started_at = os.time();
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 task:run(started_at);
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 task:save(started_at);
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 local task_runner = async.runner(run_task);
12009
f6fff0658108 mod_cron: Expose the One Timer via module environment
Kim Alvefur <zash@zash.se>
parents: 12002
diff changeset
52 scheduled = module:add_timer(1, function()
11986
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53 module:log("info", "Running periodic tasks");
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 local delay = 3600;
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 for host in pairs(active_hosts) do
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 module:log("debug", "Running periodic tasks for host %s", host);
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 for _, task in ipairs(module:context(host):get_host_items("task")) do
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 module:log("debug", "Considering %s task %s (%s)", task.when, task.id, task.run);
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 if should_run(task.when, task.last) then task_runner:run(task); end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
60 end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 end
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 module:log("debug", "Wait %ds", delay);
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 return delay
3d5135e8a2a7 mod_cron: Initial commit of periodic task runner
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 end);