Domoticz

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--
-- $Id: script_time_sensormonitor.lua,v 1.2 2015/09/09 18:59:49 pi Exp $
--
logging = true
debug = false
--
-- User variables from Domoticz setup
--      SensorTimeOut (integer) is useful to change for debugging, or undefined for defaults
--      SensorsAlerted (string) - blank / undefined for no alerts, set to "None" as initial value for alterts
--      SensorMonitorDevices (string) - comma separated list of substrings to match for device names
--      SensorMonitorExcluded (string) - comma separated list of substrings out of the matched devices to exclude
--
monitordevices=uservariables["SensorMonitorDevices"]; 
excludeddevices=uservariables["SensorMonitorExcluded"]; 
sensorsalerted=uservariables["SensorsAlerted"];
devicetimeout=uservariables["SensorTimeOut"]; 
--
-- Fallback values
--
if not ( monitordevices ) then
        monitordevices = "Temp,CPU"
end
if not ( excludeddevices ) then
        excludeddevices = "egulator"
end
if not ( devicetimeout ) then
        devicetimeout = 600
end

--
-- No changes should be needed below here
--
function changedsince(device)
        t1 = os.time()
        ts = otherdevices_lastupdate[device]
        year = string.sub(ts, 1, 4)
        month = string.sub(ts, 6, 7)
        day = string.sub(ts, 9, 10)
        hour = string.sub(ts, 12, 13)
        minutes = string.sub(ts, 15, 16)
        seconds = string.sub(ts, 18, 19)
        t2 = os.time{year=year, month=month, day=day, hour=hour, min=minutes, sec=seconds}
        difftime=(os.difftime(t1,t2))
        -- if (debug) then print("Device " .. device .. " not changed in " .. difftime .. " seconds") end
        return difftime
end

commandArray = {}
for device, value in pairs(otherdevices_svalues) 
do
        pos = nil
        exclpos = nil
        for matchname in string.gmatch(monitordevices, "[^,]+")
        do
                pos = string.find(device,matchname,1,true)
                if ( pos ) then 
                        for exname in string.gmatch(excludeddevices, "[^,]+")
                        do
                                exclpos = string.find(device,exname,1,true)
                                if ( exclpos ) then 
                                        if (debug) then print("Excluded device " ..  device .. "  matching " .. exname) end
                                        break 
                                end
                        end
                        if ( exclpos ) then break end
                        if (debug) then print("Included device " ..  device .. " matching " .. matchname .. " value=" .. value) end
                        deltatime =  changedsince(device)
                        if ( deltatime > devicetimeout ) then
                                if (logging) then print("Timeout for " .. device .. ". Not seen for " .. deltatime .. " seconds" ) end
                                if ( sensorsalerted ) then
                                        pos = string.find(sensorsalerted,"," .. device,1,true)
                                        if not ( pos ) then
                                                sensorsalerted = sensorsalerted .. "," .. device
                                                if (logging) then print("sensorsalterted addition: " .. device .. " added to " .. sensorsalerted) end
                                                commandArray['Variable:SensorsAlerted']=sensorsalerted
                                                commandArray['SendNotification']="Sensor " .. device .. " inactive"
                                        end
                                end
                        else
                                if ( sensorsalerted ) then
                                        pos = string.find(sensorsalerted,"," .. device,1,true)
                                        if ( pos ) then
                                                len = string.len(device) + 1
                                                sensorsalerted = string.sub(sensorsalerted, 1, pos - 1) .. string.sub(sensorsalerted, pos + len)
                                                if (logging) then print("sensorsalterted removal: " .. device .. " removed from " .. sensorsalerted) end
                                                commandArray['Variable:SensorsAlerted']=sensorsalerted
                                                commandArray['SendNotification']="Sensor " .. device .. " active again"
                                        end
                                end
                        end
                else
                        if (debug) then print("No match device " ..  device .. " no match for " .. matchname) end
                end
        end
end
return commandArray

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2022-04-13 06:45:00.117 Error: EventSystem: in /home/pi/domoticz/dzVents/runtime/dzVents.lua: /home/pi/domoticz/dzVents/runtime/EventHelpers.lua:464: bad argument #1 to 'pairs' (table expected, got string)

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local devicesToCheck = {
	{ ['name'] = 'Wewnętrzna', ['threshold'] = 30 }
}

return {
	active = true,
	on = {
		['timer'] = 'every 5 minutes'
	},
	execute = function(domoticz)

		local message=""

		for i, deviceToCheck in pairs(devicesToCheck) do
			local name = deviceToCheck['name']
			local threshold = deviceToCheck['threshold']
			local minutes = domoticz.devices[name].lastUpdate.minutesAgo

			if ( minutes > threshold) then
				message = message .. 'Device ' ..
						name .. ' seems to be dead. No heartbeat for at least ' ..
						minutes .. ' minutes.\r'
			end
		end

		if (message) then
			domoticz.email('Dead devices', message, '[email protected]')
			domoticz.log('Dead devices found: ' .. message, domoticz.LOG_ERROR)
		end
	end
}