providers/hyper-v: support more than one NIC [GH-4346]

CHANGELOG.md

@@ -103,6 +103,7 @@ BUG FIXES:
   - guests/suse: DHCP network interfaces properly configured [GH-6502]
   - hosts/slackware: Better detection of NFS [GH-6367]
   - providers/hyper-v: support generation 2 VMs [GH-6372]
+  - providers/hyper-v: support VMs with more than one NIC [GH-4346]
   - providers/virtualbox: ignore "Unknown" status bridge interfaces [GH-6061]
   - provisioners/ansible: use quotes for the `ansible_ssh_private_key_file`
     value in the generated inventory [GH-6209]

plugins/providers/hyperv/scripts/get_network_config.ps1

@@ -7,9 +7,19 @@ Param(
 $Dir = Split-Path $script:MyInvocation.MyCommand.Path
 . ([System.IO.Path]::Combine($Dir, "utils\write_messages.ps1"))
 
+$ip_address = ""
 $vm = Get-VM -Id $VmId -ErrorAction "Stop"
-$network = Get-VMNetworkAdapter -VM $vm
-$ip_address = $network.IpAddresses[0]
+$networks = Get-VMNetworkAdapter -VM $vm
+foreach ($network in $networks) {
+  if ($network.IpAddresses.Length -gt 0) {
+    $ip_address = $network.IpAddresses[0]
+    if (-Not ([string]::IsNullOrEmpty($ip_address))) {
+      # We found our IP address!
+      break
+    }
+  }
+}
+
 $resultHash = @{
     ip = "$ip_address"
 }