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dnsConfig are ignored for Windows pods #108

@orest-gulman

Description

@orest-gulman

I'm running EKS K8S 1.30 with EC2 Windows workers nodes only, coredns runing on fargate
There is an issue with dnsConfig that are ignored for Windows pods:

    spec:
      dnsPolicy: "None"
      dnsConfig:
        nameservers:
          - 192.168.1.100
        searches:
          - custom.domain

C:\app>ipconfig /all

Windows IP Configuration

   Host Name . . . . . . . . . . . . : eks-app
   Primary Dns Suffix  . . . . . . . : custom.domain
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : custom.namespace.svc.cluster.local
                                       svc.cluster.local
                                       cluster.local

Ethernet adapter vEthernet (cid-54890e7f-6a27-434b-ab4c-12ba9c74c1e6):

   Connection-specific DNS Suffix  . : custom.namespace.svc.cluster.locall
   Description . . . . . . . . . . . : Hyper-V Virtual Ethernet Container Adapter
   Physical Address. . . . . . . . . : 00-15-5D-21-52-E4
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::e67b:4cd8:d426:be86%18(Preferred)
   IPv4 Address. . . . . . . . . . . : 10.50.130.207(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 10.50.130.1
   DNS Servers . . . . . . . . . . . : 172.20.0.10
   NetBIOS over Tcpip. . . . . . . . : Disabled
   Connection-specific DNS Suffix Search List :
                                       custom.namespace.svc.cluster.local
                                       svc.cluster.local
                                       cluster.local

Expected to happen:

Windows IP Configuration

   Host Name . . . . . . . . . . . . : eks-app
   Primary Dns Suffix  . . . . . . . : custom.domain
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : **custom.domain**

Ethernet adapter vEthernet (cid-54890e7f-6a27-434b-ab4c-12ba9c74c1e6):

   Connection-specific DNS Suffix  . : **custom.domain**
   Description . . . . . . . . . . . : Hyper-V Virtual Ethernet Container Adapter
   Physical Address. . . . . . . . . : 00-15-5D-21-52-E4
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::e67b:4cd8:d426:be86%18(Preferred)
   IPv4 Address. . . . . . . . . . . : 10.50.130.207(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 10.50.130.1
   DNS Servers . . . . . . . . . . . : **192.168.1.100**
   NetBIOS over Tcpip. . . . . . . . : Disabled
   Connection-specific DNS Suffix Search List :
                                       **custom.domain**

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