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#!/usr/bin/lua
local uci = require('luci.model.uci').cursor()
local json = require 'luci.json'
local tools = require 'gluon.site_generate'
local shape = require 'gluon.pointwithinshape'
local site_conf = require 'gluon.site_config'
function get_config(file)
local f = io.open(file)
if f then
local config = json.decode(f:read('*a'))
f:close()
return config
end
return nil
end
function set_currentsite(site_code)
if site_code and tools.validate_site(site_code) then
uci:set('currentsite', 'current', 'name', site_code)
uci:save('currentsite')
return true
end
return false
end
function get_site_by_geo(latitude, longitude)
if not latitude or not longitude then
return nil
end
local sites = tools.get_config('/lib/gluon/site-select/geo.json').features
for _,site in ipairs(sites) do
if site.geometry and site.geometry.coordinates then
local tmp1 = {}
for _, val in ipairs(site.geometry.coordinates[1]) do
local tmp2 = {}
tmp2.x=val[2]
tmp2.y=val[1]
table.insert(tmp1, tmp2)
end
if shape.PointWithinShape(tmp1, tonumber(latitude), tonumber(longitude)) then
return site.properties.site_code
end
if (site_conf.site_select or {}).geo_default_site then
return site_conf.site_select.geo_default_site
end
return nil
end
local currentsite = uci:get('currentsite', 'current', 'name')
local configured = tools.validate_site(currentsite)
local latitude = uci:get_first('gluon-node-info', 'location', 'latitude')
local longitude = uci:get_first('gluon-node-info', 'location', 'longitude')
if latitude and longitude then
currentsite = get_site_by_geo(latitude, longitude)
configured = set_currentsite(currentsite)
end
end
local minute = math.random(0, 59)
local f = io.open('/usr/lib/micron.d/ffho-site-auto-select', 'w')
f:write(string.format('%i * * * * /usr/sbin/ffho-site-auto-select\n', minute))
f:close()
end