Connect to Azure VM using WinRM

Connect.psm1

function Connect {
    param (
    [parameter (mandatory = $true)]
    [system.string]$vm,
    [parameter (mandatory = $true)]
    [system.string]$service,
    [parameter (mandatory = $true, valuefrompipeline = $true)]
    [pscredential]$cred
    )
    $Services = Get-AzureService | % ServiceName
    if ($Services -notcontains $Service) {throw "The Azure account does not contain a service '$service'"}

    $vmData = Get-AzureVM -Name $VM -ServiceName $Service
    if ($vmData.GuestAgentStatus.Status -ne 'Ready') {throw $($vmData.GuestAgentStatus.FormattedMessage.Message)}

    $certs = (get-childitem Cert:\CurrentUser\Root | % {$_.Subject.split(',')[0].replace('CN=','')})
    if ($certs -notcontains "$service.cloudapp.net") {
        $guid = [system.guid]::NewGuid().guid
        $cert = Get-AzureCertificate -ServiceName $service -Thumbprint $vmData.VM.DefaultWinRmCertificateThumbprint -ThumbprintAlgorithm sha1
        $cert.data | out-file "$env:temp\$guid.tmp"
        $certResult = Import-Certificate -FilePath "$env:temp\$guid.tmp" -CertStoreLocation Cert:\CurrentUser\Root
        Remove-Item "$env:temp\$guid.tmp"
        }

    if (!$cred) {$cred = Get-Credential}
    $uri = Get-AzureWinRMUri -ServiceName $service -Name $vm
    Enter-PSSession -ConnectionURI $uri.AbsoluteUri -Credential $cred
    }