gluon/package/gluon-mesh-vpn-tunneldigger/files/usr/bin/tunneldigger-watchdog

45 lines
1.1 KiB
Lua
Executable File

#!/usr/bin/lua
function restart_tunneldigger()
io.popen('logger -t tunneldigger-watchdog "Restarting Tunneldigger."')
os.execute("/etc/init.d/tunneldigger restart")
end
function read_pid_file()
local pidFile = io.open("/var/run/tunneldigger.mesh-vpn.pid", "r")
if not pidFile then
return nil
end
returnPid = pidFile:read("*l")
io.close(pidFile)
return returnPid
end
function check_for_mesh_vpn_neighbours()
local handleBatctl = io.popen("batctl o", 'r')
if handleBatctl~=nil then
for line in handleBatctl:lines() do
if line:find('mesh%-vpn') then
handleBatctl.close()
return true
end
end
end
handleBatctl.close()
return false
end
local uci = require('simple-uci').cursor()
if uci:get_bool('tunneldigger', 'mesh_vpn', 'enabled') then
if io.popen("pgrep tunneldigger"):read("*l") ~= readPidFile() then
io.popen('logger -t tunneldigger-watchdog "Process-Pid does not match with pid-File."')
restart_tunneldigger()
return
end
if check_for_mesh_vpn_neighbours() ~= true then
io.popen('logger -t tunneldigger-watchdog "No vpn-mesh neighbours found."')
restart_tunneldigger()
return
end
end