010-autoupdater

#!/usr/bin/lua

local site = require 'gluon.site_config'
local uci = require 'luci.model.uci'

local c = uci.cursor()


for name, config in pairs(site.autoupdater.branches) do
	c:delete('autoupdater', name)
	c:section('autoupdater', 'branch', name,
		  {
			  name = config.name,
			  mirror = config.mirrors,
			  good_signatures = config.good_signatures,
			  pubkey = config.pubkeys,
		  }
	)
end

if not c:get('autoupdater', 'settings') then
	local enabled = 0
	local branch = site.autoupdater.branch

	local f = io.open('/lib/gluon/autoupdater/default_branch')
	if f then
		enabled = 1
		branch = f:read('*line')
		f:close()
	end

	c:section('autoupdater', 'autoupdater', 'settings',
		  {
			  enabled = enabled,
			  branch = branch,
		  }
	)
end

c:set('autoupdater', 'settings', 'version_file', '/lib/gluon/release')

c:save('autoupdater')
c:commit('autoupdater')


local autoupdater_util = require 'autoupdater.util'
autoupdater_util.randomseed()


-- Perform updates at a random time between 04:00 and 05:00, and once an hour
-- a fallback update (used after the regular updates haven't
local minute = math.random(0, 59)

local f = io.open('/lib/gluon/cron/autoupdater', 'w')
f:write(string.format('%i 4 * * * /usr/sbin/autoupdater\n', minute))
f:write(string.format('%i 0-3,5-23 * * * /usr/sbin/autoupdater --fallback\n', minute))
f:close()