diff options
Diffstat (limited to 'plugins/mod_cron.lua')
| -rw-r--r-- | plugins/mod_cron.lua | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/plugins/mod_cron.lua b/plugins/mod_cron.lua index 077dc80e..29c1aa93 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) @@ -46,15 +50,19 @@ 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 end - module:log("debug", "Wait %ds", delay); + module:log("debug", "Wait %gs", delay); return delay end); |