Powershell Call Specific CSV Based On HostName - csv

Question

hoping someone can help out as im banging my head against the wall a little here ...
I have a simple CSV file, 2 columns, 1 for HostName and 1 for Password.
For example;
HostName,Password
Computer1,Password1
Computer2,Password2
etc
What I need to do is read the password from the CSV, based on the HostName of the device the script is running on.
This is for BitLocker PIN encryption and so instead of me specifying the PIN in my current PowerShell script, it would read the value from the CSV and encrypt using that.
Cheers guys,

Answer 1

In a very general way, you can grab your object (CSV) file and filter with where-object. Once that is stuffed into a variable, you can just call the property with a "."
$Comp1 = Get-MyCSV | Where {$_.HostName -eq Computer1}
$Comp1.Password

Answer 2

Resolved now thanks for the input chaps.
$InSecureString = Import-Csv "C:\EncryptionPasswords.csv"
$BitLockerPassword = $InSecureString.Where({$PSItem.ComputerName -eq $env:COMPUTERNAME}).Password
$BitLockerPassword
Then called the $BitLockerPassword variable and converted to SecureString.

Answer 3

An alternative to using Where-Object every time you need to retrieve a password based on hostname, would be to create a hashtable from the values:
$LookupTable = #{}
Import-Csv .\passwords.csv |ForEach-Object {
$LookupTable[$_.HostName] = ConvertTo-SecureString $_.Password -AsPlainText -Force
}
Now you can retrieve the corresponding password as a secure string directly from the hashtable:
$MachineName = $env:ComputerName
Enable-BitLocker -MountPoint "C:" -Pin $LookupTable[$MachineName] -TPMandPinProtector