Fix powershell script

Author: Renato

README.md

@@ -30,11 +30,20 @@ That's it!
 At the end of the `terraform apply`, a `kubeconfig` file is generated
 in this directory. To use your new cluster, you can do:
 
+Linux
 ```bash
 export KUBECONFIG=$PWD/kubeconfig
 kubectl get nodes
 ```
 
+
+Windows
+```powershell
+$env:KUBECONFIG="$pwd\kubeconfig"
+kubectl get nodes
+```
+
+
 The command above should show you 4 nodes, named `node1` to `node4`.
 
 You can also log into the VMs. At the end of the Terraform output

kubeconfig.tf

@@ -3,7 +3,7 @@ locals {
 }
  locals {
    bash = "while ! curl -k https://${oci_core_instance._[1].public_ip}:6443; do sleep 1; done"
-   powershell = "powershell -file .\\winInsecureCurl.ps1"
+   powershell = "powershell .\\winInsecureCurl.ps1 ${oci_core_instance._[1].public_ip}"
  }
 
 resource "null_resource" "wait_for_kube_apiserver" {
@@ -18,8 +18,7 @@ data "external" "kubeconfig" {
   program = local.is_windows ? [
     "powershell",
     <<EOT
-    $Content1 = ssh -o StrictHostKeyChecking=no -l k8s -i ${local_file.ssh_private_key.filename} ${oci_core_instance._[1].public_ip} sudo base64 -w0 /etc/kubernetes/admin.conf
-    write-host "{`"base64`": `"$($Content1)`"}"
+    write-host "{`"base64`": `"$(ssh -o StrictHostKeyChecking=no -l k8s -i ${local_file.ssh_private_key.filename} ${oci_core_instance._[1].public_ip} sudo base64 -w0 /etc/kubernetes/admin.conf)`"}"
     EOT
     ] : [
     "sh",

winInsecureCurl.ps1

@@ -1,3 +1,9 @@
+param(
+    [Parameter()]
+    [String]$address
+)
+$url  =  "https://$($address):6443"
+
 add-type @"
     using System.Net; 
     using System.Security.Cryptography.X509Certificates; 
@@ -10,4 +16,6 @@ add-type @"
     } 
 "@ 
 [System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy 
-while ( -not (Invoke-WebRequest -uri https://${oci_core_instance._[1].public_ip}:6443)){ Start-Sleep 1 }
+Start-Sleep -Seconds 5
+while ( -not (Invoke-WebRequest $url)){ Start-Sleep -Seconds 1 }
+Start-Sleep -Seconds 5