applications/luci-app-statistics/luasrc/statistics/rrdtool/definitions/df.lua

   1 -- Copyright 2008 Freifunk Leipzig / Jo-Philipp Wich <jow@openwrt.org>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 module("luci.statistics.rrdtool.definitions.df", package.seeall)
   5
   6 function item()
   7         return luci.i18n.translate("Disk Space Usage")
   8 end
   9
  10 function rrdargs( graph, plugin, plugin_instance, dtype )
  11
  12         local df_complex = {
  13                 title = "%H: Disk space usage on %pi",
  14                 vlabel = "Bytes",
  15                 number_format = "%5.1lf%sB",
  16
  17                 data = {
  18                         instances = {
  19                                 df_complex = { "free", "used", "reserved" }
  20                         },
  21
  22                         options = {
  23                                 df_complex_free = {
  24                                         color = "00ff00",
  25                                         overlay = false,
  26                                         title = "free"
  27                                 },
  28
  29                                 df_complex_used = {
  30                                         color = "ff0000",
  31                                         overlay = false,
  32                                         title = "used"
  33                                 },
  34
  35                                 df_complex_reserved = {
  36                                         color = "0000ff",
  37                                         overlay = false,
  38                                         title = "reserved"
  39                                 }
  40                         }
  41                 }
  42         }
  43
  44         local percent_bytes = {
  45                 title = "%H: Disk space usage on %pi",
  46                 vlabel = "Percent",
  47                 number_format = "%5.2lf %%",
  48
  49                 data = {
  50                         instances = {
  51                                 percent_bytes = { "free", "used", "reserved" }
  52                         },
  53
  54                         options = {
  55                                 percent_bytes_free = {
  56                                         color = "00ff00",
  57                                         overlay = false,
  58                                         title = "free"
  59                                 },
  60
  61                                 percent_bytes_used = {
  62                                         color = "ff0000",
  63                                         overlay = false,
  64                                         title = "used"
  65                                 },
  66
  67                                 percent_bytes_reserved = {
  68                                         color = "0000ff",
  69                                         overlay = false,
  70                                         title = "reserved"
  71                                 }
  72                         }
  73                 }
  74         }
  75
  76         local types = graph.tree:data_types( plugin, plugin_instance )
  77
  78         local p = {}
  79         for _, t in ipairs(types) do
  80                 if t == "percent_bytes" then
  81                         p[#p+1] = percent_bytes
  82                 end
  83
  84                 if t == "df_complex" then
  85                         p[#p+1] = df_complex
  86                 end
  87         end
  88
  89         return p
  90 end