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-rw-r--r--plugins/mod_cron.lua12
1 files changed, 10 insertions, 2 deletions
diff --git a/plugins/mod_cron.lua b/plugins/mod_cron.lua
index 077dc80e..158c3186 100644
--- a/plugins/mod_cron.lua
+++ b/plugins/mod_cron.lua
@@ -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 active_hosts = {}
function module.add_host(host_module)
@@ -46,10 +50,14 @@ local function run_task(task)
task:save(started_at);
end
+local function spread(t, factor)
+ return t * (1 - factor + 2*factor*math.random());
+end
+
local task_runner = async.runner(run_task);
-scheduled = module:add_timer(1, function()
+scheduled = module:add_timer(cron_initial_delay, function()
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")) do task_runner:run(task); end