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Lua

--[[
LuCI - Lua Configuration Interface
Copyright 2019 lisaac <https://github.com/lisaac/luci-app-diskman>
]]--
require "luci.util"
require("luci.tools.webadmin")
local dm = require "luci.model.diskman"
-- Use (non-UCI) SimpleForm since we have no related config file
m = SimpleForm("diskman", translate("DiskMan"), translate("Manage Disks over LuCI."))
m.template = "diskman/cbi/xsimpleform"
m:append(Template("diskman/disk_info"))
-- disable submit and reset button
m.submit = false
m.reset = false
-- rescan disks
rescan = m:section(SimpleSection)
rescan_button = rescan:option(Button, "_rescan")
rescan_button.inputtitle= translate("Rescan Disks")
rescan_button.template = "diskman/cbi/inlinebutton"
rescan_button.inputstyle = "add"
rescan_button.forcewrite = true
rescan_button.write = function(self, section, value)
luci.util.exec("echo '- - -' | tee /sys/class/scsi_host/host*/scan > /dev/null")
if dm.command.mdadm then
luci.util.exec(dm.command.mdadm .. " --assemble --scan")
end
luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
end
-- disks
local disks = dm.list_devices()
d = m:section(Table, disks, translate("Disks"))
d.config = "disk"
-- option(type, id(key of table), text)
d:option(DummyValue, "path", translate("Path"))
d:option(DummyValue, "model", translate("Model"))
d:option(DummyValue, "sn", translate("Serial Number"))
d:option(DummyValue, "size_formated", translate("Size"))
d:option(DummyValue, "temp", translate("Temp"))
-- d:option(DummyValue, "sec_size", translate("Sector Size "))
d:option(DummyValue, "p_table", translate("Partition Table"))
d:option(DummyValue, "sata_ver", translate("SATA Version"))
-- d:option(DummyValue, "rota_rate", translate("Rotation Rate"))
d:option(DummyValue, "health_status", translate("Health") .. "<br/>" .. translate("Status"))
-- d:option(DummyValue, "status", translate("Status"))
local btn_eject = d:option(Button, "_eject")
btn_eject.template = "diskman/cbi/disabled_button"
btn_eject.inputstyle = "remove"
btn_eject.inputtitle = translate("Eject")
btn_eject.forcewrite = true
btn_eject.write = function(self, section, value)
local dev = section
local disk_info = dm.get_disk_info(dev, true)
if disk_info.p_table:match("Raid") then
m.errmessage = translate("Unsupported raid reject!")
return
end
for i, p in ipairs(disk_info.partitions) do
if p.mount_point ~= "-" then
m.errmessage = p.name .. translate("is in use! please unmount it first!")
return
end
end
if disk_info.type:match("md") then
luci.util.exec(dm.command.mdadm .. " --stop /dev/" .. dev)
luci.util.exec(dm.command.mdadm .. " --remove /dev/" .. dev)
for _, disk in ipairs(disk_info.members) do
luci.util.exec(dm.command.mdadm .. " --zero-superblock " .. disk)
end
dm.gen_mdadm_config()
else
luci.util.exec("echo 1 > /sys/block/" .. dev .. "/device/delete")
end
luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
end
d.extedit = luci.dispatcher.build_url("admin/system/diskman/partition/%s")
-- raid devices
if dm.command.mdadm then
local raid_devices = dm.list_raid_devices()
-- raid_devices = diskmanager.getRAIDdevices()
if next(raid_devices) ~= nil then
local r = m:section(Table, raid_devices, translate("RAID Devices"))
r.config = "_raid"
r:option(DummyValue, "path", translate("Path"))
r:option(DummyValue, "level", translate("RAID mode"))
r:option(DummyValue, "size_formated", translate("Size"))
r:option(DummyValue, "p_table", translate("Partition Table"))
r:option(DummyValue, "status", translate("Status"))
r:option(DummyValue, "members_str", translate("Members"))
r:option(DummyValue, "active", translate("Active"))
r.extedit = luci.dispatcher.build_url("admin/system/diskman/partition/%s")
end
end
-- btrfs devices
if dm.command.btrfs then
btrfs_devices = dm.list_btrfs_devices()
if next(btrfs_devices) ~= nil then
local table_btrfs = m:section(Table, btrfs_devices, translate("Btrfs"))
table_btrfs:option(DummyValue, "uuid", translate("UUID"))
table_btrfs:option(DummyValue, "label", translate("Label"))
table_btrfs:option(DummyValue, "members", translate("Members"))
-- sieze is error, since there is RAID
-- table_btrfs:option(DummyValue, "size_formated", translate("Size"))
table_btrfs:option(DummyValue, "used_formated", translate("Usage"))
table_btrfs.extedit = luci.dispatcher.build_url("admin/system/diskman/btrfs/%s")
end
end
-- mount point
local mount_point = dm.get_mount_points()
local _mount_point = {}
table.insert( mount_point, { device = 0 } )
local table_mp = m:section(Table, mount_point, translate("Mount Point"))
local v_device = table_mp:option(Value, "device", translate("Device"))
v_device.render = function(self, section, scope)
if mount_point[section].device == 0 then
self.template = "cbi/value"
self.forcewrite = true
for dev, info in pairs(disks) do
for i, v in ipairs(info.partitions) do
self:value("/dev/".. v.name, "/dev/".. v.name .. " ".. v.size_formated)
end
end
Value.render(self, section, scope)
else
self.template = "cbi/dvalue"
DummyValue.render(self, section, scope)
end
end
v_device.write = function(self, section, value)
_mount_point.device = value and value:gsub("%s+", "") or ""
end
local v_fs = table_mp:option(Value, "fs", translate("File System"))
v_fs.render = function(self, section, scope)
if mount_point[section].device == 0 then
self.template = "cbi/value"
self:value("auto", "auto")
self.default = "auto"
self.forcewrite = true
Value.render(self, section, scope)
else
self.template = "cbi/dvalue"
DummyValue.render(self, section, scope)
end
end
v_fs.write = function(self, section, value)
_mount_point.fs = value and value:gsub("%s+", "") or ""
end
local v_mount_option = table_mp:option(Value, "mount_options", translate("Mount Options"))
v_mount_option.render = function(self, section, scope)
if mount_point[section].device == 0 then
self.template = "cbi/value"
self.placeholder = "rw,noauto"
self.forcewrite = true
Value.render(self, section, scope)
else
self.template = "cbi/dvalue"
local mp = mount_point[section].mount_options
mount_point[section].mount_options = nil
local length = 0
for k in mp:gmatch("([^,]+)") do
mount_point[section].mount_options = mount_point[section].mount_options and (mount_point[section].mount_options .. ",") or ""
if length > 20 then
mount_point[section].mount_options = mount_point[section].mount_options.. " <br>"
length = 0
end
mount_point[section].mount_options = mount_point[section].mount_options .. k
length = length + #k
end
self.rawhtml = true
-- mount_point[section].mount_options = #mount_point[section].mount_options > 50 and mount_point[section].mount_options:sub(1,50) .. "..." or mount_point[section].mount_options
DummyValue.render(self, section, scope)
end
end
v_mount_option.write = function(self, section, value)
_mount_point.mount_options = value and value:gsub("%s+", "") or ""
end
local v_mount_point = table_mp:option(Value, "mount_point", translate("Mount Point"))
v_mount_point.render = function(self, section, scope)
if mount_point[section].device == 0 then
self.template = "cbi/value"
self.placeholder = "/media/diskX"
self.forcewrite = true
Value.render(self, section, scope)
else
self.template = "cbi/dvalue"
local new_mp = ""
local v_mp_d
for v_mp_d in self["section"]["data"][section]["mount_point"]:gmatch('[^/]+') do
if #v_mp_d > 12 then
new_mp = new_mp .. "/" .. v_mp_d:sub(1,7) .. ".." .. v_mp_d:sub(-4)
else
new_mp = new_mp .."/".. v_mp_d
end
end
self["section"]["data"][section]["mount_point"] = '<span title="'..self["section"]["data"][section]["mount_point"] .. '" >'..new_mp..'</span>'
self.rawhtml = true
DummyValue.render(self, section, scope)
end
end
v_mount_point.write = function(self, section, value)
_mount_point.mount_point = value
end
local btn_umount = table_mp:option(Button, "_mount", translate("Mount"))
btn_umount.forcewrite = true
btn_umount.render = function(self, section, scope)
if mount_point[section].device == 0 then
self.inputtitle = translate("Mount")
btn_umount.inputstyle = "add"
else
self.inputtitle = translate("Umount")
btn_umount.inputstyle = "remove"
end
Button.render(self, section, scope)
end
btn_umount.write = function(self, section, value)
local res
if value == translate("Mount") then
if not _mount_point.mount_point or not _mount_point.device then return end
luci.util.exec("mkdir -p ".. _mount_point.mount_point)
res = luci.util.exec(dm.command.mount .. " ".. _mount_point.device .. (_mount_point.fs and (" -t ".. _mount_point.fs )or "") .. (_mount_point.mount_options and (" -o " .. _mount_point.mount_options.. " ") or " ").._mount_point.mount_point .. " 2>&1")
elseif value == translate("Umount") then
res = luci.util.exec(dm.command.umount .. " "..mount_point[section].mount_point .. " 2>&1")
end
if res:match("^mount:") or res:match("^umount:") then
m.errmessage = luci.util.pcdata(res)
else
luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
end
end
if dm.command.mdadm or dm.command.btrfs then
local creation_section = m:section(TypedSection, "_creation")
creation_section.cfgsections=function()
return {translate("Creation")}
end
creation_section:tab("raid", translate("RAID"), translate("RAID Creation"))
creation_section:tab("btrfs", translate("Btrfs"), translate("Multiple Devices Btrfs Creation"))
-- raid functions
if dm.command.mdadm then
local rname, rmembers, rlevel
local r_name = creation_section:taboption("raid", Value, "_rname", translate("Raid Name"))
r_name.placeholder = dm.find_free_md_device()
r_name.write = function(self, section, value)
rname = value
end
local r_level = creation_section:taboption("raid", ListValue, "_rlevel", translate("Raid Level"))
local valid_raid = luci.util.exec("grep -m1 'Personalities :' /proc/mdstat")
if valid_raid:match("%[linear%]") then
r_level:value("linear", "Linear")
end
if valid_raid:match("%[raid5%]") then
r_level:value("5", "Raid 5")
end
if valid_raid:match("%[raid6%]") then
r_level:value("6", "Raid 6")
end
if valid_raid:match("%[raid1%]") then
r_level:value("1", "Raid 1")
end
if valid_raid:match("%[raid0%]") then
r_level:value("0", "Raid 0")
end
if valid_raid:match("%[raid10%]") then
r_level:value("10", "Raid 10")
end
r_level.write = function(self, section, value)
rlevel = value
end
local r_member = creation_section:taboption("raid", DynamicList, "_rmember", translate("Raid Member"))
for dev, info in pairs(disks) do
if not info.inuse and #info.partitions == 0 then
r_member:value(info.path, info.path.. " ".. info.size_formated)
end
for i, v in ipairs(info.partitions) do
if not v.inuse then
r_member:value("/dev/".. v.name, "/dev/".. v.name .. " ".. v.size_formated)
end
end
end
r_member.write = function(self, section, value)
rmembers = value
end
local r_create = creation_section:taboption("raid", Button, "_rcreate")
r_create.render = function(self, section, scope)
self.title = " "
self.inputtitle = translate("Create Raid")
self.inputstyle = "add"
Button.render(self, section, scope)
end
r_create.write = function(self, section, value)
-- mdadm --create --verbose /dev/md0 --level=stripe --raid-devices=2 /dev/sdb6 /dev/sdc5
local res = dm.create_raid(rname, rlevel, rmembers)
if res and res:match("^ERR") then
m.errmessage = luci.util.pcdata(res)
return
end
dm.gen_mdadm_config()
luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
end
end
-- btrfs
if dm.command.btrfs then
local blabel, bmembers, blevel
local btrfs_label = creation_section:taboption("btrfs", Value, "_blabel", translate("Btrfs Label"))
btrfs_label.write = function(self, section, value)
blabel = value
end
local btrfs_level = creation_section:taboption("btrfs", ListValue, "_blevel", translate("Btrfs Raid Level"))
btrfs_level:value("single", "Single")
btrfs_level:value("raid0", "Raid 0")
btrfs_level:value("raid1", "Raid 1")
btrfs_level:value("raid10", "Raid 10")
btrfs_level.write = function(self, section, value)
blevel = value
end
local btrfs_member = creation_section:taboption("btrfs", DynamicList, "_bmember", translate("Btrfs Member"))
for dev, info in pairs(disks) do
if not info.inuse and #info.partitions == 0 then
btrfs_member:value(info.path, info.path.. " ".. info.size_formated)
end
for i, v in ipairs(info.partitions) do
if not v.inuse then
btrfs_member:value("/dev/".. v.name, "/dev/".. v.name .. " ".. v.size_formated)
end
end
end
btrfs_member.write = function(self, section, value)
bmembers = value
end
local btrfs_create = creation_section:taboption("btrfs", Button, "_bcreate")
btrfs_create.render = function(self, section, scope)
self.title = " "
self.inputtitle = translate("Create Btrfs")
self.inputstyle = "add"
Button.render(self, section, scope)
end
btrfs_create.write = function(self, section, value)
-- mkfs.btrfs -L label -d blevel /dev/sda /dev/sdb
local res = dm.create_btrfs(blabel, blevel, bmembers)
if res and res:match("^ERR") then
m.errmessage = luci.util.pcdata(res)
return
end
luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
end
end
end
return m