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-rw-r--r--teal-src/prosody/plugins/mod_cron.tl12
1 files changed, 10 insertions, 2 deletions
diff --git a/teal-src/prosody/plugins/mod_cron.tl b/teal-src/prosody/plugins/mod_cron.tl
index 9c6f1601..13f4a588 100644
--- a/teal-src/prosody/plugins/mod_cron.tl
+++ b/teal-src/prosody/plugins/mod_cron.tl
@@ -2,6 +2,10 @@ module:set_global();
local async = require "prosody.util.async";
+local cron_initial_delay = module:get_option_number("cron_initial_delay", 1);
+local cron_check_delay = module:get_option_number("cron_check_delay", 3600);
+local cron_spread_factor = module:get_option_number("cron_spread_factor", 0);
+
local record map_store<K,V>
-- TODO move to somewhere sensible
get : function (map_store<K,V>, string, K) : V
@@ -90,10 +94,14 @@ local function run_task(task : task_spec)
task:save(started_at);
end
+local function spread(t : number, factor : number) : number
+ return t * (1 - factor + 2*factor*math.random());
+end
+
local task_runner : async.runner_t<task_spec> = async.runner(run_task);
-scheduled = module:add_timer(1, function() : integer
+scheduled = module:add_timer(cron_initial_delay, function() : number
module:log("info", "Running periodic tasks");
- local delay = 3600;
+ local delay = spread(cron_check_delay, cron_spread_factor);
for host in pairs(active_hosts) do
module:log("debug", "Running periodic tasks for host %s", host);
for _, task in ipairs(module:context(host):get_host_items("task") as { task_spec } ) do