[Windows] Remove Hyper-V binding on network adapter in cleanup script

Remove Hyper-V binding on the network adapter which is used as OVS uplink,
otherwise the adapter is not possible to recover IP address after HNSNetwork
cleanup.

Signed-off-by: wenyingd <wenyingd@vmware.com>

hack/windows/Clean-AntreaNetwork.ps1

@@ -15,33 +15,122 @@ function GetHnsnetworkId($NetName) {
     }
     return $null
 }
-$AntreaHnsNetworkName = "antrea-hnsnetwork"
 
-Write-Host "Delete OVS bridge: br-int"
-ovs-vsctl.exe --no-wait --if-exists del-br br-int
-$MaxRetryCount = 10
-$RetryCountRange = 1..$MaxRetryCount
-$BrIntDeleted = $false
-foreach ($RetryCount in $RetryCountRange) {
-    Write-Host "Waiting for OVS bridge deletion complete ($RetryCount/$MaxRetryCount)..."
-    $BrIntAdapter = $(Get-NetAdapter br-int -ErrorAction SilentlyContinue)
-    if ($BrIntAdapter -eq $null) {
-        $BrIntDeleted = $true
-        break
+function ClearHyperVBinding($adapter) {
+    $status= $(Get-NetAdapterBinding -Name $adapter.Name -ComponentID vms_pp).Enabled
+    if ($status -EQ "False") {
+        Set-NetAdapterBinding -Name $adapter.Name -ComponentID vms_pp -Enabled $False
+    }
+}
+
+function ClearHyperVBindingOnAdapter($adapterName) {
+    if ($adapterName -NE "") {
+        $adapter = $(Get-NetAdapter -Name $adapterName)
+        if ($adapter -eq $null) {
+            return
+        }
+        ClearHyperVBinding($adapter)
+    } else {
+        $adapters= $(Get-NetAdapter | ? Virtual -EQ $false)
+        if ($adapters -eq $null) {
+            Write-Host "Physical network adapters not found"
+            return
+        }
+        foreach ($adapter in $adapters) {
+            ClearHyperVBinding($adapter)
+        }
+    }
+}
+
+function ResetOVSService() {
+    $ovsVswitchdSvc = Get-Service ovs-vswitchd -ErrorAction Ignore
+    if ($ovsVswitchdSvc -EQ $null) {
+        return
+    }
+    $ovsStatus = $(Get-Service ovs-vswitchd).Status
+    if ("$ovsStatus" -EQ "StartPending") {
+        sc.exe delete ovs-vswitchd
+        stop-service ovsdb-server
+
+        # $OVSInstallDir is where OVS is installed, it is the path argument when using Install-OVS.ps1
+        $OVSInstallDir="C:\openvswitch"
+        # Replace the path using the actual path where ovs-vswitchd.pid locates, it is always at $OVSInstallDir\var\run\openvswitch.
+        $OVS_PID_PATH = "$OVSInstallDir\var\run\openvswitch\ovs-vswitchd.pid"
+        Remove-Item -Path $OVS_PID_PATH -Force
+         # Replace the path using the actual path where OVS conf.db locates. It is always at OVSInstallDir\etc\openvswitch\
+        $OVS_DB_SCHEMA_PATH = "$OVSInstallDir\usr\share\openvswitch\vswitch.ovsschema"
+        $OVS_DB_PATH = "$OVSInstallDir\etc\openvswitch\conf.db"
+        Remove-Item -Path "$OVSInstallDir\etc\openvswitch\*"
+        ovsdb-tool create "$OVS_DB_PATH" "$OVS_DB_SCHEMA_PATH"
+
+        start-service ovsdb-server
+        sc.exe create ovs-vswitchd binpath="$OVSInstallDir\usr\sbin\ovs-vswitchd.exe  --pidfile -vfile:info --log-file  --service" start= auto depend= "ovsdb-server"
+        sc.exe failure ovs-vswitchd reset= 0 actions= restart/0/restart/0/restart/0
+        start-service ovs-vswitchd
     }
-    if ($RetryCount -eq $MaxRetryCount) {
-        break
+}
+
+function RemoveNetworkAdapter($adapterName) {
+    $adapter = $(Get-NetAdapter $adapterName -ErrorAction Ignore)
+    if ($adapter -ne $null) {
+        Remove-NetIPAddress -IfAlias $adapterName -Confirm:$false
+        Write-Host "Network adapter $adapter.Name is left on the Windows host with status $adapter.Status, please remove it manually."
     }
-    Start-Sleep -Seconds 5
 }
-if (!$BrIntDeleted) {
-    Write-Host "Failed to delete OVS Bridge, please retry the script or delete the bridge and HNS network manually."
-    return
+
+function RemoveHiddenNetDevices() {
+    $Devs = $(Get-PnpDevice -Class net | ? Status -eq Unknown | Select InstanceId)
+    foreach ($Dev in $Devs) {
+        $RemoveKey = "HKLM:\SYSTEM\CurrentControlSet\Enum\$($Dev.InstanceId)"
+        Get-Item $RemoveKey | Select-Object -ExpandProperty Property | %{Remove-ItemProperty -Path $RemoveKey -Name $_ -Verbose }
+    }
 }
 
+function clearOVSBridge() {
+    $ovsStatus = $(Get-Service ovs-vswitchd).Status
+    if ("$ovsStatus" -EQ "running") {
+        Write-Host "Delete OVS bridge: br-int"
+        ovs-vsctl.exe --no-wait --if-exists del-br br-int
+        $MaxRetryCount = 10
+        $RetryCountRange = 1..$MaxRetryCount
+        $BrIntDeleted = $false
+        foreach ($RetryCount in $RetryCountRange) {
+            Write-Host "Waiting for OVS bridge deletion complete ($RetryCount/$MaxRetryCount)..."
+            $BrIntAdapter = $(Get-NetAdapter br-int -ErrorAction SilentlyContinue)
+            if ($BrIntAdapter -eq $null) {
+                $BrIntDeleted = $true
+                break
+            }
+            if ($RetryCount -eq $MaxRetryCount) {
+                break
+            }
+            Start-Sleep -Seconds 5
+        }
+        if (!$BrIntDeleted) {
+            Write-Host "Failed to delete OVS Bridge, please retry the script or delete the bridge and HNS network manually."
+            return
+        }
+    }
+}
 
+$BrIntDeleted = $(Get-NetAdapter br-int) -Eq $null
+if ($BrIntDeleted -eq $false) {
+    clearOVSBridge
+}
+$uplink = ""
+$AntreaHnsNetworkName = "antrea-hnsnetwork"
 $NetId = GetHnsnetworkId($AntreaHnsNetworkName)
 if ($NetId -ne $null) {
     Write-Host "Remove HnsNetwork: $AntreaHnsNetworkName"
+    $uplink = $(Get-HnsNetwork -Id $NetId).NetworkAdapterName
     Get-HnsNetwork -Id $NetId | Remove-HnsNetwork
 }
+
+# ResetOVSService is called if the Windows Service "ovs-vswitchd" is not running correctly(Service status is StartPending).
+# This might happen after the Windows host is restarted abnormally, in which case some legacy configurations block
+# ovs-vswitchd running, like the pid file and the misconfigurations in OVSDB.
+ResetOVSService "ovs-vswitchd"
+RemoveNetworkAdapter "br-int"
+RemoveNetworkAdapter "antrea-gw0"
+ClearHyperVBindingOnAdapter($uplink)
+ipconfig /renew