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luci-app-statistics: add advice about data directory permissions

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Add advice about the permissions needed for the data directory:

  Pages are rendered as user 'nobody', so the *.rrd files,
  data directory and all its parent directories need to be
  world readable.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
(cherry picked from commit eaafb4508c)
This commit is contained in:
Hannu Nyman 2018-01-15 23:06:51 +02:00
parent ff21f2f0a3
commit 3b79e9eaa7
1 changed files with 6 additions and 1 deletions
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7
applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/rrdtool.lua
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@ -19,7 +19,12 @@ enable = s:option( Flag, "enable", translate("Enable this plugin") )
enable.default = 1
-- collectd_rrdtool.datadir (DataDir)
datadir = s:option( Value, "DataDir", translate("Storage directory") )
datadir = s:option( Value, "DataDir",
translate("Storage directory"),
translate("Note: as pages are rendered by user 'nobody', the *.rrd files, " ..
"the storage directory and all its parent directories need " ..
"to be world readable."
))
datadir.default = "/tmp"
datadir.rmempty = true
datadir.optional = true