Send information about hardware of my computer to a database - database

Question

I created a powershell script in order to send information about my computer hardware to a database. Unfortunately, when I run my program I get these errors:
Impossible de convertir la valeur « HDDused : » en type « System.Double ». Erreur : « Le format de la chaîne d'entrée est incorrect. »
Au caractère D:\projet\new2.ps1:43 : 1
"HDDused : " - $HDDused
My code is :
function Get-Temperature {
$t = Get-WmiObject MSAcpi_ThermalZoneTemperature -Namespace "root/wmi"
$returntemp = #()
foreach ($temp in $t.CurrentTemperature)
{
$currentTempKkelvin = $temp / 10
$currentTempCelsius = $currentTempKelvin
$reeturntemp = $currentTempCelsius
}
return $returntemp
}
#Get-Counter -Counter "\GPU Engine(*)\Utilization Percentage"
$CpuTemp = Get-Temperature
$CpuTemp = $cpuTemp -as [float]
"CpuTemp : " + $CpuTemp
$CpuUsage = Get-Counter -Counter "\Processeur(_total)\% temps processeur" | ForEach-Object {$_.CounterSamples[0].CookedValue}
$CpuUsage = $CpuUsage -as [float]
"CpuUsage : " + $CpuUsage
$TotalMemoire = Get-CimInstance Win32_PhysicalMemory | Measure-Object -Property capacity -Sum | Foreach {"{0:N2}" -f ([math]::round(($_.Sum / 1GB),2))}
$TotalMemoire = ($TotalMemoire -as [float])/100
#$TotalMemoire
$RAMfree = Get-Counter -Counter "\Mémoire\Octets disponibles" | ForEach-Object {$_.CounterSamples[0].CookedValue}
$RAMfree = ($RAMfree -as [float])/1E+09
"RAMfree : " + $RAMfree
$RAMused = ($TotalMemoire - $RAMfree)
"RAMused : " + $RAMused
$HDDfree = Get-Counter -Counter "\Disque logique(C:)\Mégaoctets libres" | ForEach-Object {$_.CounterSamples[0].CookedValue}
$HDDfree = ($HDDfree -as [float])/1000
"HDDfree : " + $HDDfree
$HDDused = Get-PSDrive C | ForEach-Object {$_.Used}
$HDDused = ($HDDused -as [float])/1E+09
"HDDused : " - $HDDused
#$AddMac = Get-NetAdapteer | ? { $_.name -eq ""ethernet" } | Select-0bject -ExpandProperty macaddress
#"Adresse MAC : " + $AddMac
$cpuApp = 0
$cpuTemp = 0
$cpuUsage = 0
$infos = #{
CpuTemp = $CpuTemp
CpuUsage = $CpuUsage
CpuApp = $CpuApp
RAMfree = $RAMfree
RAMused = $RAMused
HDDfree = $HDDfree
HDDused = $HDDused
CguTemp = $CguTemp
CguUsage = $CguUsage
#AddMac = $AddMac
}
Invoke-WebRequest -URI 'http://172.31.6.204/elle/public/login' -Method POST -Body $infos
Can you help me please ? Thanks.

Answer 1

You have several typos in your code, there is an e too much here:
$ree!turntemp = $currentTempCelsius
And what's the point of iterating through the temperatures when you only use the last one?
But the thing that is complained about is:
"HDDused : " - $HDDused
You are subtracting a number from a string instead of doing string concatenation. Use a plus as you do the other places.
Get-NetAdapteer has been commented away, but that also has an e too much.