modules/luci-mod-system/luasrc/model/cbi/admin_system/fstab.lua

   1 -- Copyright 2008 Steven Barth <steven@midlink.org>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 require("luci.tools.webadmin")
   5
   6 local fs   = require "nixio.fs"
   7 local util = require "nixio.util"
   8 local tp   = require "luci.template.parser"
   9
  10 local block = io.popen("block info", "r")
  11 local ln, dev, devices = nil, nil, {}
  12
  13 repeat
  14         ln = block:read("*l")
  15         dev = ln and ln:match("^/dev/(.-):")
  16
  17         if dev then
  18                 local e, s, key, val = { }
  19
  20                 for key, val in ln:gmatch([[(%w+)="(.-)"]]) do
  21                         e[key:lower()] = val
  22                         devices[val] = e
  23                 end
  24
  25                 s = tonumber((fs.readfile("/sys/class/block/%s/size" % dev)))
  26
  27                 e.dev  = "/dev/%s" % dev
  28                 e.size = s and math.floor(s / 2048)
  29
  30                 devices[e.dev] = e
  31         end
  32 until not ln
  33
  34 block:close()
  35
  36 m = Map("fstab", translate("Mount Points"))
  37 s = m:section(TypedSection, "global", translate("Global Settings"))
  38 s.addremove = false
  39 s.anonymous = true
  40
  41 detect = s:option(Button, "block_detect", translate("Generate Config"), translate("Find all currently attached filesystems and swap and replace configuration with defaults based on what was detected"))
  42 detect.inputstyle = "reload"
  43
  44 detect.write = function(self, section)
  45         luci.sys.call("block detect >/etc/config/fstab")
  46         luci.http.redirect(luci.dispatcher.build_url("admin/system", "fstab"))
  47 end
  48
  49 o = s:option(Flag, "anon_swap", translate("Anonymous Swap"), translate("Mount swap not specifically configured"))
  50 o.default = o.disabled
  51 o.rmempty = false
  52
  53 o = s:option(Flag, "anon_mount", translate("Anonymous Mount"), translate("Mount filesystems not specifically configured"))
  54 o.default = o.disabled
  55 o.rmempty = false
  56
  57 o = s:option(Flag, "auto_swap", translate("Automount Swap"), translate("Automatically mount swap on hotplug"))
  58 o.default = o.enabled
  59 o.rmempty = false
  60
  61 o = s:option(Flag, "auto_mount", translate("Automount Filesystem"), translate("Automatically mount filesystems on hotplug"))
  62 o.default = o.enabled
  63 o.rmempty = false
  64
  65 o = s:option(Flag, "check_fs", translate("Check filesystems before mount"), translate("Automatically check filesystem for errors before mounting"))
  66 o.default = o.disabled
  67 o.rmempty = false
  68
  69 local mounts = luci.sys.mounts()
  70 local non_system_mounts = {}
  71 for rawmount, val in pairs(mounts) do
  72     if (string.find(val.mountpoint, "/tmp/.jail") == nil) then
  73       repeat
  74           val.umount = false
  75           if (val.mountpoint == "/") then
  76               break
  77           elseif (val.mountpoint == "/overlay") then
  78               break
  79           elseif (val.mountpoint == "/rom") then
  80               break
  81           elseif (val.mountpoint == "/tmp") then
  82               break
  83           elseif (val.mountpoint == "/tmp/shm") then
  84               break
  85           elseif (val.mountpoint == "/tmp/upgrade") then
  86               break
  87           elseif (val.mountpoint == "/dev") then
  88               break
  89           end
  90           val.umount = true
  91       until true
  92       non_system_mounts[rawmount] = val
  93    end
  94 end
  95
  96 v = m:section(Table, non_system_mounts, translate("Mounted file systems"))
  97
  98 fs = v:option(DummyValue, "fs", translate("Filesystem"))
  99
 100 mp = v:option(DummyValue, "mountpoint", translate("Mount Point"))
 101
 102 avail = v:option(DummyValue, "avail", translate("Available"))
 103 function avail.cfgvalue(self, section)
 104         return luci.tools.webadmin.byte_format(
 105                 ( tonumber(mounts[section].available) or 0 ) * 1024
 106         ) .. " / " .. luci.tools.webadmin.byte_format(
 107                 ( tonumber(mounts[section].blocks) or 0 ) * 1024
 108         )
 109 end
 110
 111 used = v:option(DummyValue, "used", translate("Used"))
 112 function used.cfgvalue(self, section)
 113         return ( mounts[section].percent or "0%" ) .. " (" ..
 114         luci.tools.webadmin.byte_format(
 115                 ( tonumber(mounts[section].used) or 0 ) * 1024
 116         ) .. ")"
 117 end
 118
 119 unmount = v:option(Button, "unmount", translate("Unmount"))
 120 unmount.render = function(self, section, scope)
 121         if non_system_mounts[section].umount then
 122                 self.title = translate("Unmount")
 123                 self.inputstyle = "remove"
 124                 Button.render(self, section, scope)
 125         else
 126                 luci.http.write("&#160;")
 127         end
 128 end
 129
 130 unmount.write = function(self, section)
 131         if non_system_mounts[section].umount then
 132                 luci.sys.call("/bin/umount '%s'" % luci.util.shellstartsqescape(non_system_mounts[section].mountpoint))
 133                 return luci.http.redirect(luci.dispatcher.build_url("admin/system", "fstab"))
 134         end
 135 end
 136
 137 mount = m:section(TypedSection, "mount", translate("Mount Points"), translate("Mount Points define at which point a memory device will be attached to the filesystem"))
 138 mount.anonymous = true
 139 mount.addremove = true
 140 mount.template = "cbi/tblsection"
 141 mount.extedit  = luci.dispatcher.build_url("admin/system/fstab/mount/%s")
 142
 143 mount.create = function(...)
 144         local sid = TypedSection.create(...)
 145         if sid then
 146                 luci.http.redirect(mount.extedit % sid)
 147                 return
 148         end
 149 end
 150
 151
 152 mount:option(Flag, "enabled", translate("Enabled")).rmempty = false
 153
 154 dev = mount:option(DummyValue, "device", translate("Device"))
 155 dev.rawhtml = true
 156 dev.cfgvalue = function(self, section)
 157         local v, e
 158
 159         v = m.uci:get("fstab", section, "uuid")
 160         e = v and devices[v:lower()]
 161         if v and e and e.size then
 162                 return "UUID: %s (%s, %d MB)" %{ tp.pcdata(v), e.dev, e.size }
 163         elseif v and e then
 164                 return "UUID: %s (%s)" %{ tp.pcdata(v), e.dev }
 165         elseif v then
 166                 return "UUID: %s (<em>%s</em>)" %{ tp.pcdata(v), translate("not present") }
 167         end
 168
 169         v = m.uci:get("fstab", section, "label")
 170         e = v and devices[v]
 171         if v and e and e.size then
 172                 return "Label: %s (%s, %d MB)" %{ tp.pcdata(v), e.dev, e.size }
 173         elseif v and e then
 174                 return "Label: %s (%s)" %{ tp.pcdata(v), e.dev }
 175         elseif v then
 176                 return "Label: %s (<em>%s</em>)" %{ tp.pcdata(v), translate("not present") }
 177         end
 178
 179         v = Value.cfgvalue(self, section) or "?"
 180         e = v and devices[v]
 181         if v and e and e.size then
 182                 return "%s (%d MB)" %{ tp.pcdata(v), e.size }
 183         elseif v and e then
 184                 return tp.pcdata(v)
 185         elseif v then
 186                 return "%s (<em>%s</em>)" %{ tp.pcdata(v), translate("not present") }
 187         end
 188 end
 189
 190 mp = mount:option(DummyValue, "target", translate("Mount Point"))
 191 mp.cfgvalue = function(self, section)
 192         if m.uci:get("fstab", section, "is_rootfs") == "1" then
 193                 return "/overlay"
 194         else
 195                 return Value.cfgvalue(self, section) or "?"
 196         end
 197 end
 198
 199 fs = mount:option(DummyValue, "fstype", translate("Filesystem"))
 200 fs.cfgvalue = function(self, section)
 201         local v, e
 202
 203         v = m.uci:get("fstab", section, "uuid")
 204         v = v and v:lower() or m.uci:get("fstab", section, "label")
 205         v = v or m.uci:get("fstab", section, "device")
 206
 207         e = v and devices[v]
 208
 209         return e and e.type or m.uci:get("fstab", section, "fstype") or "?"
 210 end
 211
 212 op = mount:option(DummyValue, "options", translate("Options"))
 213 op.cfgvalue = function(self, section)
 214         return Value.cfgvalue(self, section) or "defaults"
 215 end
 216
 217 rf = mount:option(DummyValue, "is_rootfs", translate("Root"))
 218 rf.cfgvalue = function(self, section)
 219         local target = m.uci:get("fstab", section, "target")
 220         if target == "/" then
 221                 return translate("yes")
 222         elseif target == "/overlay" then
 223                 return translate("overlay")
 224         else
 225                 return translate("no")
 226         end
 227 end
 228
 229 ck = mount:option(DummyValue, "enabled_fsck", translate("Check"))
 230 ck.cfgvalue = function(self, section)
 231         return Value.cfgvalue(self, section) == "1"
 232                 and translate("yes") or translate("no")
 233 end
 234
 235
 236 swap = m:section(TypedSection, "swap", translate("SWAP"), translate("If your physical memory is insufficient unused data can be temporarily swapped to a swap-device resulting in a higher amount of usable <abbr title=\"Random Access Memory\">RAM</abbr>. Be aware that swapping data is a very slow process as the swap-device cannot be accessed with the high datarates of the <abbr title=\"Random Access Memory\">RAM</abbr>."))
 237 swap.anonymous = true
 238 swap.addremove = true
 239 swap.template = "cbi/tblsection"
 240 swap.extedit  = luci.dispatcher.build_url("admin/system/fstab/swap/%s")
 241
 242 swap.create = function(...)
 243         local sid = TypedSection.create(...)
 244         if sid then
 245                 luci.http.redirect(swap.extedit % sid)
 246                 return
 247         end
 248 end
 249
 250
 251 swap:option(Flag, "enabled", translate("Enabled")).rmempty = false
 252
 253 dev = swap:option(DummyValue, "device", translate("Device"))
 254 dev.cfgvalue = function(self, section)
 255         local v
 256
 257         v = m.uci:get("fstab", section, "uuid")
 258         if v then return "UUID: %s" % v end
 259
 260         v = m.uci:get("fstab", section, "label")
 261         if v then return "Label: %s" % v end
 262
 263         v = Value.cfgvalue(self, section) or "?"
 264         e = v and devices[v]
 265         if v and e and e.size then
 266                 return "%s (%s MB)" % {v, e.size}
 267         else
 268                 return v
 269         end
 270 end
 271
 272 return m