public/Get-ComputerInventory.ps1

function Get-ComputerInventory {
    <#
    .SYNOPSIS
        Get-ComputerInventory
        Get hardware and software inventory of the local computer.
    .DESCRIPTION
        This script will gather hardware and software inventory of the local computer and output the results to a JSON file.
        Optionally, the results can be sent to a REST API endpoint.
    .PARAMETER DesintationPath
        The path to save the inventory files to.
        Example \\server\share
    .PARAMETER SasURI
        The Azure Storage Account SAS URI to send the inventory files to.
        Format is https://<storageaccount>.blob.core.windows.net/<container>/<blob>?<sas-token>
    .NOTES
        1.0.0 - 2024-08-05 - Initial release, David Stein

        Blob Container requires permissions: Add, Create, Write, List
    #>

    [CmdletBinding()]
    param(
        [parameter()][string]$DestinationPath,
        [parameter()][string]$SasURI
    )

    try {
        if (!$IsLinux) {
            throw "This script is intended for Linux systems only."
        }

        $hostname = hostname
        $invFile = Join-Path $env:HOME "Documents/$($hostname)_inventory.json"

        function Add-FileToBlobStorage {
            Param(
                [Parameter(Mandatory=$true)][ValidateScript({Test-Path $_ })][string]$File,
                [Parameter(Mandatory=$true)]
                [ValidateScript({$_ -match "https\:\/\/(.)*\.blob.core.windows.net\/(.)*\?(.)*"})]
                [string]$ConnectionString
            )
            $HashArguments = @{
                uri     = $connectionstring.Replace("?","/$($(Get-Item $file).Name)?")
                method  = "Put"
                InFile  = $file
                headers = @{"x-ms-blob-type" = "BlockBlob"}
            }
            Invoke-RestMethod @HashArguments
        }

        $appsAPT     = Get-AptPkgInventory
        $appsFlatpak = Get-FlatpakInventory
        $appsSnap    = Get-SnapInventory
        $localUsers  = Get-LocalUser
        $localGroups = Get-LocalGroup
        $compInfo    = Get-ComputerInfo
        $netInfo     = Get-NetworkInfo -IncludePublicIP

        $inventory = @{
            "ComputerSystem"   = $compInfo
            "NetworkConfig"    = $netInfo
            "InstalledAPT"     = $appsAPT
            "InstalledFlatpak" = $appsFlatpak
            "InstalledSnap"    = $appsSnap
            "LocalUsers"       = $localUsers
            "LocalGroups"      = $localGroups
        }

        Write-Verbose "Writing inventory to $invFile"
        $inventory | ConvertTo-Json -Depth 3 | Out-File -FilePath $invFile -Encoding utf8 -Force

        if (![string]::IsNullOrEmpty($SasURI)) {
            Write-Verbose "uploading inventory file to azure blob storage"
            Add-FileToBlobStorage -File $invFile -ConnectionString $SasURI
        } elseif (![string]::IsNullOrEmpty($DestinationPath)) {
            write-verbose "uploading inventory file to $DestinationPath"
            Copy-Item -Path $invFile -Destination $DestinationPath -Force
        } else {
            Write-Verbose "File saved to: $invFile"
        }
        Write-Output 0
    } catch {
        Write-Error $($_.Exception.Message -join(";"))
        Write-Output 1
    }
}