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211 lines
8.7 KiB
Lua
211 lines
8.7 KiB
Lua
--[[
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LuCI - Lua Configuration Interface
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Copyright 2019 lisaac <https://github.com/lisaac/luci-app-diskman>
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]]--
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require "luci.util"
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require("luci.tools.webadmin")
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local dm = require "luci.model.diskman"
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local uuid = arg[1]
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if not uuid then luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman")) end
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-- mount subv=/ to tempfs
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mount_point = "/tmp/.btrfs_tmp"
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nixio.fs.mkdirr(mount_point)
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luci.util.exec(dm.command.umount .. " "..mount_point .. " >/dev/null 2>&1")
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luci.util.exec(dm.command.mount .. " -t btrfs -o subvol=/ UUID="..uuid.." "..mount_point)
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m = SimpleForm("btrfs", translate("Btrfs"), translate("Manage Btrfs"))
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m.template = "diskman/cbi/xsimpleform"
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m.redirect = luci.dispatcher.build_url("admin/system/diskman")
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m.submit = false
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m.reset = false
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-- info
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local btrfs_info = dm.get_btrfs_info(mount_point)
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local table_btrfs_info = m:section(Table, {btrfs_info}, translate("Btrfs Info"))
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table_btrfs_info:option(DummyValue, "uuid", translate("UUID"))
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table_btrfs_info:option(DummyValue, "members", translate("Members"))
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table_btrfs_info:option(DummyValue, "data_raid_level", translate("Data"))
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table_btrfs_info:option(DummyValue, "metadata_raid_lavel", translate("Metadata"))
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table_btrfs_info:option(DummyValue, "size_formated", translate("Size"))
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table_btrfs_info:option(DummyValue, "used_formated", translate("Used"))
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table_btrfs_info:option(DummyValue, "free_formated", translate("Free Space"))
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table_btrfs_info:option(DummyValue, "usage", translate("Usage"))
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local v_btrfs_label = table_btrfs_info:option(Value, "label", translate("Label"))
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local value_btrfs_label = ""
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v_btrfs_label.write = function(self, section, value)
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value_btrfs_label = value or ""
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end
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local btn_update_label = table_btrfs_info:option(Button, "_update_label")
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btn_update_label.inputtitle = translate("Update")
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btn_update_label.inputstyle = "edit"
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btn_update_label.write = function(self, section, value)
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local cmd = dm.command.btrfs .. " filesystem label " .. mount_point .. " " .. value_btrfs_label
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local res = luci.util.exec(cmd)
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luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
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end
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-- subvolume
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local subvolume_list = dm.get_btrfs_subv(mount_point)
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subvolume_list["_"] = { ID = 0 }
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table_subvolume = m:section(Table, subvolume_list, translate("SubVolumes"))
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table_subvolume:option(DummyValue, "id", translate("ID"))
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table_subvolume:option(DummyValue, "top_level", translate("Top Level"))
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table_subvolume:option(DummyValue, "uuid", translate("UUID"))
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table_subvolume:option(DummyValue, "otime", translate("Otime"))
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table_subvolume:option(DummyValue, "snapshots", translate("Snapshots"))
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local v_path = table_subvolume:option(Value, "path", translate("Path"))
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v_path.forcewrite = true
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v_path.render = function(self, section, scope)
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if subvolume_list[section].ID == 0 then
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self.template = "cbi/value"
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self.placeholder = "/my_subvolume"
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self.forcewrite = true
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Value.render(self, section, scope)
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else
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self.template = "cbi/dvalue"
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DummyValue.render(self, section, scope)
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end
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end
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local value_path
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v_path.write = function(self, section, value)
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value_path = value
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end
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local btn_set_default = table_subvolume:option(Button, "_subv_set_default", translate("Set Default"))
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btn_set_default.forcewrite = true
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btn_set_default.inputstyle = "edit"
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btn_set_default.template = "diskman/cbi/disabled_button"
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btn_set_default.render = function(self, section, scope)
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if subvolume_list[section].default_subvolume then
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self.view_disabled = true
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self.inputtitle = translate("Set Default")
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elseif subvolume_list[section].ID == 0 then
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self.template = "cbi/dvalue"
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else
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self.inputtitle = translate("Set Default")
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self.view_disabled = false
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end
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Button.render(self, section, scope)
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end
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btn_set_default.write = function(self, section, value)
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local cmd
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if value == translate("Set Default") then
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cmd = dm.command.btrfs .. " subvolume set-default " .. mount_point..subvolume_list[section].path
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else
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cmd = dm.command.btrfs .. " subvolume set-default " .. mount_point.."/"
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end
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local res = luci.util.exec(cmd.. " 2>&1")
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if res and (res:match("ERR") or res:match("not enough arguments")) then
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m.errmessage = res
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else
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luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
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end
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end
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local btn_remove = table_subvolume:option(Button, "_subv_remove")
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btn_remove.template = "diskman/cbi/disabled_button"
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btn_remove.forcewrite = true
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btn_remove.render = function(self, section, scope)
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if subvolume_list[section].ID == 0 then
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btn_remove.inputtitle = translate("Create")
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btn_remove.inputstyle = "add"
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self.view_disabled = false
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elseif subvolume_list[section].path == "/" or subvolume_list[section].default_subvolume then
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btn_remove.inputtitle = translate("Delete")
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btn_remove.inputstyle = "remove"
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self.view_disabled = true
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else
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btn_remove.inputtitle = translate("Delete")
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btn_remove.inputstyle = "remove"
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self.view_disabled = false
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end
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Button.render(self, section, scope)
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end
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btn_remove.write = function(self, section, value)
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local cmd
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if value == translate("Delete") then
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cmd = dm.command.btrfs .. " subvolume delete " .. mount_point .. subvolume_list[section].path
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elseif value == translate("Create") then
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if value_path and value_path:match("^/") then
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cmd = dm.command.btrfs .. " subvolume create " .. mount_point .. value_path
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else
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m.errmessage = translate("Please input Subvolume Path, Subvolume must start with '/'")
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return
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end
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end
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local res = luci.util.exec(cmd.. " 2>&1")
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if res and (res:match("ERR") or res:match("not enough arguments")) then
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m.errmessage = luci.util.pcdata(res)
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else
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luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
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end
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end
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-- snapshot
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-- local snapshot_list = dm.get_btrfs_subv(mount_point, 1)
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-- table_snapshot = m:section(Table, snapshot_list, translate("Snapshots"))
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-- table_snapshot:option(DummyValue, "id", translate("ID"))
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-- table_snapshot:option(DummyValue, "top_level", translate("Top Level"))
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-- table_snapshot:option(DummyValue, "uuid", translate("UUID"))
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-- table_snapshot:option(DummyValue, "otime", translate("Otime"))
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-- table_snapshot:option(DummyValue, "path", translate("Path"))
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-- local snp_remove = table_snapshot:option(Button, "_snp_remove")
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-- snp_remove.inputtitle = translate("Delete")
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-- snp_remove.inputstyle = "remove"
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-- snp_remove.write = function(self, section, value)
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-- local cmd = dm.command.btrfs .. " subvolume delete " .. mount_point .. snapshot_list[section].path
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-- local res = luci.util.exec(cmd.. " 2>&1")
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-- if res and (res:match("ERR") or res:match("not enough arguments")) then
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-- m.errmessage = luci.util.pcdata(res)
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-- else
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-- luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
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-- end
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-- end
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-- new snapshots
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local s_snapshot = m:section(SimpleSection, translate("New Snapshot"))
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local value_sorce, value_dest, value_readonly
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local v_sorce = s_snapshot:option(Value, "_source", translate("Source Path"), translate("The source path for create the snapshot"))
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v_sorce.placeholder = "/data"
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v_sorce.forcewrite = true
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v_sorce.write = function(self, section, value)
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value_sorce = value
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end
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local v_readonly = s_snapshot:option(Flag, "_readonly", translate("Readonly"), translate("The path where you want to store the snapshot"))
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v_readonly.forcewrite = true
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v_readonly.rmempty = false
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v_readonly.disabled = 0
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v_readonly.enabled = 1
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v_readonly.default = 1
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v_readonly.write = function(self, section, value)
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value_readonly = value
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end
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local v_dest = s_snapshot:option(Value, "_dest", translate("Destination Path (optional)"))
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v_dest.forcewrite = true
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v_dest.placeholder = "/.snapshot/202002051538"
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v_dest.write = function(self, section, value)
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value_dest = value
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end
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local btn_snp_create = s_snapshot:option(Button, "_snp_create")
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btn_snp_create.title = " "
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btn_snp_create.inputtitle = translate("New Snapshot")
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btn_snp_create.inputstyle = "add"
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btn_snp_create.write = function(self, section, value)
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if value_sorce and value_sorce:match("^/") then
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if not value_dest then value_dest = "/.snapshot"..value_sorce.."/"..os.date("%Y%m%d%H%M%S") end
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nixio.fs.mkdirr(mount_point..value_dest:match("(.-)[^/]+$"))
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local cmd = dm.command.btrfs .. " subvolume snapshot" .. (value_readonly == 1 and " -r " or " ") .. mount_point..value_sorce .. " " .. mount_point..value_dest
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local res = luci.util.exec(cmd .. " 2>&1")
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if res and (res:match("ERR") or res:match("not enough arguments")) then
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m.errmessage = luci.util.pcdata(res)
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else
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luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
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end
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else
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m.errmessage = translate("Please input Source Path of snapshot, Source Path must start with '/'")
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end
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end
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return m
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