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Merge pull request #90605 from yliaog/windep
switched to default non-masquerade destination ranges
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Kubernetes Prow Robot
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15d6c9a5ea
@ -445,34 +445,6 @@ function ConvertTo_MaskLength
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# is the subnet that VM internal IPs are allocated from.
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#
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# This function will fail if Add_InitialHnsNetwork() has not been called first.
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function Get_MgmtSubnet {
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$net_adapter = Get_MgmtNetAdapter
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# TODO(pjh): applying the primary interface's subnet mask to its IP address
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# *should* give us the GCE network subnet that VM IP addresses are being
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# allocated from... however it might be more accurate or straightforward to
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# just fetch the IP address range for the VPC subnet that the kube-up script
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# creates (kubernetes-subnet-default).
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$addr = (Get-NetIPAddress `
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-InterfaceAlias ${net_adapter}.ifAlias `
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-AddressFamily IPv4).IPAddress
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# Get the adapter's mask from the registry rather than WMI or some other
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# approach: this is compatible with Windows' forthcoming LWVNICs (lightweight
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# VNICs).
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# https://github.com/kubernetes-sigs/sig-windows-tools/pull/16/commits/c5b5c67d5da6c23ad870cb16146eaa58131caf29
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$adapter_registry = Get-Item `
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-Path ("HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\" +
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"Parameters\Interfaces\$($net_adapter.InterfaceGuid)")
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# In this command the value name is 'DhcpSubnetMask' for current network
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# interfaces but could be different for "LWVNIC" interfaces.
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$mask = ($adapter_registry.GetValueNames() -like "*SubnetMask" |
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% { $adapter_registry.GetValue($_) })
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$mgmt_subnet = `
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(ConvertTo_DecimalIP ${addr}) -band (ConvertTo_DecimalIP ${mask})
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$mgmt_subnet = ConvertTo_DottedDecimalIP ${mgmt_subnet}
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return "${mgmt_subnet}/$(ConvertTo_MaskLength $mask)"
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}
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# Returns a network adapter object for the "management" interface via which the
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# Windows pods+kubelet will communicate with the rest of the Kubernetes cluster.
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#
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@ -984,7 +956,6 @@ function Install_Cni_Binaries {
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# Required ${kube_env} keys:
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# DNS_SERVER_IP
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# DNS_DOMAIN
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# CLUSTER_IP_RANGE
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# SERVICE_CLUSTER_IP_RANGE
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function Configure_Dockerd_CniNetworking {
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$l2bridge_conf = "${env:CNI_CONFIG_DIR}\l2bridge.conf"
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@ -994,24 +965,20 @@ function Configure_Dockerd_CniNetworking {
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$mgmt_ip = (Get_MgmtNetAdapter |
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Get-NetIPAddress -AddressFamily IPv4).IPAddress
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$mgmt_subnet = Get_MgmtSubnet
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Log-Output ("using mgmt IP ${mgmt_ip} and mgmt subnet ${mgmt_subnet} for " +
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"CNI config")
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$cidr_range_start = Get_PodIP_Range_Start(${env:POD_CIDR})
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# Explanation of the CNI config values:
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# CLUSTER_CIDR: the cluster CIDR from which pod CIDRs are allocated.
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# POD_CIDR: the pod CIDR assigned to this node.
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# CIDR_RANGE_START: start of the pod CIDR range.
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# MGMT_SUBNET: the subnet on which the Windows pods + kubelet will
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# communicate with the rest of the cluster without NAT (i.e. the subnet
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# that VM internal IPs are allocated from).
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# MGMT_IP: the IP address assigned to the node's primary network interface
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# (i.e. the internal IP of the GCE VM).
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# SERVICE_CIDR: the CIDR used for kubernetes services.
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# DNS_SERVER_IP: the cluster's DNS server IP address.
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# DNS_DOMAIN: the cluster's DNS domain, e.g. "cluster.local".
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#
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# OutBoundNAT ExceptionList: No SNAT for CIDRs in the list, the same as default GKE non-masquerade destination ranges listed at https://cloud.google.com/kubernetes-engine/docs/how-to/ip-masquerade-agent#default-non-masq-dests
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New-Item -Force -ItemType file ${l2bridge_conf} | Out-Null
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Set-Content ${l2bridge_conf} `
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'{
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@ -1041,9 +1008,18 @@ function Configure_Dockerd_CniNetworking {
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"Value": {
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"Type": "OutBoundNAT",
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"ExceptionList": [
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"CLUSTER_CIDR",
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"SERVICE_CIDR",
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"MGMT_SUBNET"
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"169.254.0.0/16",
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"10.0.0.0/8",
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"172.16.0.0/12",
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"192.168.0.0/16",
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"100.64.0.0/10",
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"192.0.0.0/24",
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"192.0.2.0/24",
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"192.88.99.0/24",
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"198.18.0.0/15",
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"198.51.100.0/24",
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"203.0.113.0/24",
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"240.0.0.0/4"
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]
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}
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},
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@ -1069,9 +1045,7 @@ function Configure_Dockerd_CniNetworking {
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replace('DNS_SERVER_IP', ${kube_env}['DNS_SERVER_IP']).`
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replace('DNS_DOMAIN', ${kube_env}['DNS_DOMAIN']).`
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replace('MGMT_IP', ${mgmt_ip}).`
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replace('CLUSTER_CIDR', ${kube_env}['CLUSTER_IP_RANGE']).`
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replace('SERVICE_CIDR', ${kube_env}['SERVICE_CLUSTER_IP_RANGE']).`
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replace('MGMT_SUBNET', ${mgmt_subnet})
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replace('SERVICE_CIDR', ${kube_env}['SERVICE_CLUSTER_IP_RANGE'])
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Log-Output "CNI config:`n$(Get-Content -Raw ${l2bridge_conf})"
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}
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@ -1338,7 +1312,6 @@ function Configure_Dockerd {
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# Required ${kube_env} keys:
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# DNS_SERVER_IP
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# DNS_DOMAIN
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# CLUSTER_IP_RANGE
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# SERVICE_CLUSTER_IP_RANGE
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function Configure_Containerd_CniNetworking {
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$l2bridge_conf = "${env:CNI_CONFIG_DIR}\l2bridge.conf"
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@ -1348,24 +1321,20 @@ function Configure_Containerd_CniNetworking {
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$mgmt_ip = (Get_MgmtNetAdapter |
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Get-NetIPAddress -AddressFamily IPv4).IPAddress
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$mgmt_subnet = Get_MgmtSubnet
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Log-Output ("using mgmt IP ${mgmt_ip} and mgmt subnet ${mgmt_subnet} for " +
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"CNI config")
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$pod_gateway = Get_Endpoint_Gateway_From_CIDR(${env:POD_CIDR})
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# Explanation of the CNI config values:
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# CLUSTER_CIDR: the cluster CIDR from which pod CIDRs are allocated.
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# POD_CIDR: the pod CIDR assigned to this node.
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# POD_GATEWAY: the gateway IP.
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# MGMT_SUBNET: the subnet on which the Windows pods + kubelet will
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# communicate with the rest of the cluster without NAT (i.e. the subnet
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# that VM internal IPs are allocated from).
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# MGMT_IP: the IP address assigned to the node's primary network interface
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# (i.e. the internal IP of the GCE VM).
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# SERVICE_CIDR: the CIDR used for kubernetes services.
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# DNS_SERVER_IP: the cluster's DNS server IP address.
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# DNS_DOMAIN: the cluster's DNS domain, e.g. "cluster.local".
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#
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# OutBoundNAT ExceptionList: No SNAT for CIDRs in the list, the same as default GKE non-masquerade destination ranges listed at https://cloud.google.com/kubernetes-engine/docs/how-to/ip-masquerade-agent#default-non-masq-dests
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New-Item -Force -ItemType file ${l2bridge_conf} | Out-Null
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Set-Content ${l2bridge_conf} `
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'{
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@ -1400,9 +1369,18 @@ function Configure_Containerd_CniNetworking {
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"Type": "OutBoundNAT",
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"Settings": {
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"Exceptions": [
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"CLUSTER_CIDR",
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"SERVICE_CIDR",
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"MGMT_SUBNET"
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"169.254.0.0/16",
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"10.0.0.0/8",
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"172.16.0.0/12",
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"192.168.0.0/16",
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"100.64.0.0/10",
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"192.0.0.0/24",
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"192.0.2.0/24",
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"192.88.99.0/24",
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"198.18.0.0/15",
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"198.51.100.0/24",
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"203.0.113.0/24",
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"240.0.0.0/4"
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]
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}
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}
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@ -1433,9 +1411,7 @@ function Configure_Containerd_CniNetworking {
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replace('DNS_SERVER_IP', ${kube_env}['DNS_SERVER_IP']).`
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replace('DNS_DOMAIN', ${kube_env}['DNS_DOMAIN']).`
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replace('MGMT_IP', ${mgmt_ip}).`
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replace('CLUSTER_CIDR', ${kube_env}['CLUSTER_IP_RANGE']).`
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replace('SERVICE_CIDR', ${kube_env}['SERVICE_CLUSTER_IP_RANGE']).`
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replace('MGMT_SUBNET', ${mgmt_subnet})
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replace('SERVICE_CIDR', ${kube_env}['SERVICE_CLUSTER_IP_RANGE'])
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Log-Output "containerd CNI config:`n$(Get-Content -Raw ${l2bridge_conf})"
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}
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