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NIU: Backup system settings

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This commit is contained in:
Steven Barth 2009-11-02 15:59:46 +00:00
parent 86e00cb771
commit a5a9625a45
1 changed files with 45 additions and 1 deletions
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46
modules/niu/luasrc/controller/niu/system.lua
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@ -12,7 +12,7 @@ You may obtain a copy of the License at
$Id$
]]--
local req = require
local require, pairs, unpack = require, pairs, unpack
module "luci.controller.niu.system"
function index()
@ -20,4 +20,48 @@ function index()
entry({"niu", "system", "general"},
cbi("niu/system/general", {on_success_to={"niu"}}), "General", 10)
entry({"niu", "system", "backup"}, call("backup"), "Backup Settings", 20)
end
function backup()
local os = require "os"
local uci = require "luci.model.uci".cursor()
local nixio, nutl = require "nixio", require "nixio.util"
local fs = require "nixio.fs"
local http = require "luci.http"
local call = {"/bin/tar", "-cz"}
for k, v in pairs(uci:get_all("luci", "flash_keep")) do
if k:byte() ~= 46 then -- k[1] ~= "."
nutl.consume(fs.glob(v), call)
end
end
http.header(
'Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"' % {
nixio.uname().nodename, os.date("%Y-%m-%d")
}
)
http.prepare_content("application/x-targz")
local fdin, fdout = nixio.pipe()
local devnull = nixio.open("/dev/null", "r+")
local proc = nixio.fork()
if proc == 0 then
fdin:close()
nixio.dup(devnull, nixio.stdin)
nixio.dup(devnull, nixio.stderr)
nixio.dup(fdout, nixio.stdout)
nixio.exec(unpack(call))
os.exit(1)
end
fdout:close()
http.splice(fdin)
http.close()
end