modules/luci-mod-admin-full/luasrc/model/cbi/admin_system/crontab.lua

   1 -- Copyright 2008 Steven Barth <steven@midlink.org>
   2 -- Copyright 2008-2013 Jo-Philipp Wich <jow@openwrt.org>
   3 -- Licensed to the public under the Apache License 2.0.
   4
   5 local fs = require "nixio.fs"
   6 local cronfile = "/etc/crontabs/root"
   7
   8 f = SimpleForm("crontab", translate("Scheduled Tasks"),
   9         translate("This is the system crontab in which scheduled tasks can be defined.") ..
  10         translate("<br/>Note: you need to manually restart the cron service if the " ..
  11                 "crontab file was empty before editing."))
  12
  13 t = f:field(TextValue, "crons")
  14 t.rmempty = true
  15 t.rows = 10
  16 function t.cfgvalue()
  17         return fs.readfile(cronfile) or ""
  18 end
  19
  20 function f.handle(self, state, data)
  21         if state == FORM_VALID then
  22                 if data.crons then
  23                         fs.writefile(cronfile, data.crons:gsub("\r\n", "\n"))
  24                         luci.sys.call("/usr/bin/crontab %q" % cronfile)
  25                 else
  26                         fs.writefile(cronfile, "")
  27                 end
  28         end
  29         return true
  30 end
  31
  32 return f