author | Kim Alvefur <zash@zash.se> |
Thu, 30 Nov 2023 18:42:56 +0100 | |
changeset 13375 | a22e3a980178 |
parent 13370 | 9f1f1e7afdbd |
child 13425 | 92301fa7a673 |
permissions | -rw-r--r-- |
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module:set_global(); |
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local async = require("prosody.util.async"); |
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local active_hosts = {} |
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function module.add_host(host_module) |
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local last_run_times = host_module:open_store("cron", "map"); |
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active_hosts[host_module.host] = true; |
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local function save_task(task, started_at) last_run_times:set(nil, task.id, started_at); end |
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local function restore_task(task) if task.last == nil then task.last = last_run_times:get(nil, task.id); end end |
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local function task_added(event) |
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local task = event.item; |
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if task.name == nil then task.name = task.when; end |
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if task.id == nil then task.id = event.source.name .. "/" .. task.name:gsub("%W", "_"):lower(); end |
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task.period = host_module:get_option_period(task.id:gsub("/", "_") .. "_period", "1" .. task.when, 60, 86400 * 7 * 53); |
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task.restore = restore_task; |
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task.save = save_task; |
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module:log("debug", "%s task %s added", task.when, task.id); |
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return true |
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end |
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local function task_removed(event) |
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local task = event.item; |
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host_module:log("debug", "Task %s removed", task.id); |
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return true |
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end |
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host_module:handle_items("task", task_added, task_removed, true); |
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function host_module.unload() active_hosts[host_module.host] = nil; end |
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end |
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local function should_run(task, last) return not last or last + task.period * 0.995 <= os.time() end |
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local function run_task(task) |
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task:restore(); |
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if not should_run(task, task.last) then return end |
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local started_at = os.time(); |
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task:run(started_at); |
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task.last = started_at; |
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task:save(started_at); |
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end |
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local task_runner = async.runner(run_task); |
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scheduled = module:add_timer(1, function() |
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module:log("info", "Running periodic tasks"); |
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local delay = 3600; |
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for host in pairs(active_hosts) do |
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module:log("debug", "Running periodic tasks for host %s", host); |
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for _, task in ipairs(module:context(host):get_host_items("task")) do task_runner:run(task); end |
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end |
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module:log("debug", "Wait %ds", delay); |
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return delay |
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end); |
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module:add_item("shell-command", { |
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section = "cron"; |
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section_desc = "View and manage recurring tasks"; |
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name = "tasks"; |
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desc = "View registered tasks"; |
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args = {}; |
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handler = function(self, filter_host) |
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local format_table = require("prosody.util.human.io").table; |
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local it = require("util.iterators"); |
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local row = format_table({ |
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{ title = "Host"; width = "2p" }; |
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{ title = "Task"; width = "3p" }; |
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{ title = "Desc"; width = "3p" }; |
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{ title = "When"; width = "1p" }; |
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{ title = "Last run"; width = "20" }; |
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}, self.session.width); |
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local print = self.session.print; |
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print(row()); |
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for host in it.sorted_pairs(filter_host and { [filter_host] = true } or active_hosts) do |
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for _, task in ipairs(module:context(host):get_host_items("task")) do |
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print(row({ host; task.id; task.name; task.when; task.last and os.date("%Y-%m-%d %R:%S", task.last) or "never" })); |
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end |
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end |
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end; |
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}); |