118 lines
2.5 KiB
Lua
118 lines
2.5 KiB
Lua
local Ansi = require('opus.ansi')
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local Event = require('opus.event')
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local Milo = require('milo')
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local UI = require('opus.ui')
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local colors = _G.colors
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local device = _G.device
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local fs = _G.fs
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local os = _G.os
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local DAY = 20 * 60
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local context = Milo:getContext()
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local drives = { }
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--[[ Configuration Screen ]]
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local template =
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[[%sBackup Drive%s
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Backup configuration files each minecraft day.
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]]
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local wizardPage = UI.WizardPage {
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title = 'Backup Drive',
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index = 2,
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backgroundColor = colors.cyan,
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[1] = UI.TextArea {
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x = 2, ex = -2, y = 2, ey = -2,
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value = string.format(template, Ansi.yellow, Ansi.reset),
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},
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}
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function wizardPage:isValidType(node)
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local m = device[node.name]
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return m and m.type == 'drive' and {
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name = 'Backup Drive',
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value = 'backup',
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category = 'custom',
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help = 'Backup configuration files',
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}
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end
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function wizardPage:isValidFor(node)
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return node.mtype == 'backup'
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end
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UI:getPage('nodeWizard').wizard:add({ backupDrive = wizardPage })
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local function clearOld(dir, fname)
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local files = { }
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for _, file in pairs(fs.list(dir)) do
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if file:match(fname) then
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table.insert(files, file)
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end
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end
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if #files > 1 then
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table.sort(files, function(a, b)
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return tonumber(a:match('.(%d+)')) > tonumber(b:match('.(%d+)'))
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end)
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while #files > 1 do
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local old = table.remove(files, #files)
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fs.delete(fs.combine(dir, old))
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end
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end
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end
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local function makeBackup(dir, fname)
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clearOld(dir, fname)
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local source = fs.combine('usr/config', fname)
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local dest = string.format('%s/%s.%d', dir, fname, os.day())
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fs.copy(source, dest)
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end
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local function backupNode(node)
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local files = {
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'storage',
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'milo.state',
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'machine_crafting.db',
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'recipes.db',
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'resources.db',
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}
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local s, m = pcall(function()
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if not node.adapter.isDiskPresent() then
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_G._syslog('BACKUP error: No media present')
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else
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local dir = node.adapter.getMountPath()
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for _, v in pairs(files) do
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makeBackup(dir, v)
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end
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end
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end)
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if not s and m then
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_G._syslog('BACKUP error:' .. m)
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end
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end
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--[[ Task ]]--
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local BackupTask = {
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name = 'backup',
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priority = 99,
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}
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function BackupTask:cycle()
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for node in context.storage:filterActive('backup') do
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if not drives[node.name] then
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drives[node.name] = Event.onInterval(DAY, function()
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_G._syslog('BACKUP: started')
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if node.adapter and node.adapter.online then
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backupNode(node)
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end
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end)
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end
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end
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end
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Milo:registerTask(BackupTask)
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