vSphere GOSC w/cloud-init using vSphere REST API

Author: William Lam

powershell/vsphere_guestos_customization_using_cloud_init.ps1

@@ -0,0 +1,67 @@
+$cloudinit_metadata_file = "metadata-ubuntu.json"
+$vcenter = "fill-me-in"
+$vcenter_username = "fill-me-in"
+$vcenter_password = "fill-me-in"
+$vm_id = "fill-me-in"
+$vm_dns_server = "fill-me-in"
+$vm_dns_domain = "fill-me-in"
+$debug = $false
+
+### DO NOT EDIT BEYOND HERE ###
+
+$metadata = Get-Content -Raw ${cloudinit_metadata_file}
+$escaped_metadata = (($metadata | ConvertFrom-Json)|ConvertTo-Json -Depth 12 -Compress)
+
+$pair = "${vcenter_username}:${vcenter_password}"
+$bytes = [System.Text.Encoding]::ASCII.GetBytes($pair)
+$base64 = [System.Convert]::ToBase64String($bytes)
+
+$results = Invoke-WebRequest -Uri "https://${vcenter}/api/session" -Method POST -Headers @{"Authorization"="Basic $base64"}
+if($results.StatusCode -ne 201) {
+    Write-Host -ForegroundColor Red "Failed to login to vCenter Serve, please verify your credentials are correct"
+    break
+}
+$vmware_session_id = $results.content.replace('"','')
+
+$userdata = @'
+#cloud-config
+runcmd:
+- hostnamectl set-hostname cloud-init-configured.primp-industries.local
+'@
+
+$payload = [ordered]@{
+    "spec" = [ordered]@{
+        "configuration_spec" = [ordered]@{
+            "cloud_config" = [ordered]@{
+                "cloudinit" = [ordered]@{
+                    "metadata" = $escaped_metadata;
+                    "userdata" = $userdata;
+                };
+                "type" = "CLOUDINIT";
+            };
+        };
+        "global_DNS_settings" = @{
+			"dns_servers" = @(${vm_dns_server});
+			"dns_suffix_list" = @(${vm_dns_domain});
+		};
+        "interfaces" = @(@{
+            "adapter" = @{
+                "ipv4" = [ordered]@{
+                    "type" = "STATIC";
+                };
+            };
+        });
+    }
+}
+
+$body = $payload | ConvertTo-Json -depth 12
+
+if($debug) {$body}
+
+$results = Invoke-WebRequest -Uri "https://${vcenter}/api/vcenter/vm/${vm_id}/guest/customization" -Method PUT -Headers @{"vmware-api-session-id"=$vmware_session_id;"Content-Type"="application/json"} -Body $body
+if($results.StatusCode -ne 204) {
+    Write-Host -ForegroundColor Red "Failed apply GuestOS Customization Spec"
+    break
+} else {
+    Write-Host -ForegroundColor Green "Successfully applied GuestOS Cloud-Init Customization Spec to ${vm_id}"
+}