Adding powershell script to call cni. (#282)

Author: jaer-tsun

scripts/Invoke-wincni.ps1

@@ -0,0 +1,43 @@
+Param(
+	[parameter(Mandatory=$true)]
+	[string] $containerName,
+	
+	[parameter(Mandatory=$true)]
+	[string] $namespace,
+	
+	[parameter(Mandatory=$true)]
+	[string] $image,
+	
+	[parameter (Mandatory=$true)]
+	[string] $command
+)
+
+$contid=''
+
+if ( $command -eq 'ADD' ) {
+	$contid=(docker run -d --name $containerName --net=none $image powershell Start-Sleep -m 1000000)
+	$env:CNI_CONTAINERID=$contid
+	$env:CNI_COMMAND='ADD'
+} 
+else {
+	$contid=(docker inspect -f '{{ .Id }}' $containerName)
+	$env:CNI_CONTAINERID=$contid
+	$env:CNI_COMMAND='DEL'
+}
+
+$env:CNI_NETNS='none'
+$env:CNI_PATH='C:\k\azurecni\bin'
+$env:PATH="$env:CNI_PATH;"+$env:PATH
+$k8sargs='IgnoreUnknown=1;K8S_POD_NAMESPACE={0};K8S_POD_NAME={1};K8S_POD_INFRA_CONTAINER_ID={2}' -f $namespace, $containerName, $contid
+$env:CNI_ARGS=$k8sargs
+$env:CNI_IFNAME='eth0'
+
+$config=(jq-win64 '.plugins[0]' C:\k\azurecni\netconf\10-azure.conflist)
+$name=(jq-win64 -r '.name' C:\k\azurecni\netconf\10-azure.conflist)
+$config=(echo $config | jq-win64 --arg name $name '. + {name: $name}')
+$cniVersion=(jq-win64 -r '.cniVersion' C:\k\azurecni\netconf\10-azure.conflist)
+$config=(echo $config | jq-win64 --arg cniVersion $cniVersion '. + {cniVersion: $cniVersion}')
+
+$res=(echo $config | azure-vnet)
+
+echo $res