Attempt native imagebuilder image

REMOVED/packer/oci/scripts/attach_secondary_vnic.ps1

@@ -0,0 +1,39 @@
+function Get-Second-Vnic-Ocid() {
+    $ocid = ""
+    $vnics = Invoke-RestMethod -Uri "http://169.254.169.254/opc/v1/vnics/"
+    if ($vnics.Count -eq 2) {
+        $ocid = $vnics[1].vnicId
+    } else {
+        Write-Host "vnics count not equal 2"
+    }
+    return $ocid
+}
+
+$vnicId = Get-Second-Vnic-Ocid
+Write-Host "found vnic id: ${vnicId}"
+
+
+$retryDelaySeconds = 30
+# We should continue to retry indefinitely until the vnic is 
+# detected by IMDS 
+# https://docs.oracle.com/en-us/iaas/Content/Compute/Tasks/gettingmetadata.htm
+while($vnicId -eq "") {
+    $vnicId = Get-Second-Vnic-Ocid
+    Write-Host("Getting second vnic failed. Waiting " + $retryDelaySeconds + " seconds before next attempt.")
+    Start-Sleep -Seconds $retryDelaySeconds
+}
+
+if ($vnicId -ne "") {
+    Write-Host "Pulling down the secondary_vnic_windows_configure.ps1"
+    Invoke-WebRequest -Uri "https://docs.oracle.com/en-us/iaas/Content/Resources/Assets/secondary_vnic_windows_configure.ps1" -OutFile "C:\Users\opc\secondary_vnic_windows_configure.ps1"
+
+    Write-Host "calling script using ${vnicId}"
+
+    , 'Y', 'A' | powershell "C:\Users\opc\secondary_vnic_windows_configure.ps1 ${vnicId}"
+    Write-Error "secondary_vnic_windows_configure.ps1 - done"
+
+    $ipconfig = ipconfig
+    Write-Error "${ipconfig}"
+}else{
+    Write-Error "VNIC OCID is empty. Can't configure."
+}