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node_addressing.go
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node_addressing.go
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// Copyright 2018-2020 Authors of Cilium
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package datapath
import (
"net"
"github.com/cilium/cilium/pkg/cidr"
)
// NodeAddressingFamily is the node addressing information for a particular
// address family
type NodeAddressingFamily interface {
// Router is the address that will act as the router on each node where
// an agent is running on. Endpoints have a default route that points
// to this address.
Router() net.IP
// PrimaryExternal is the primary external address of the node. Nodes
// must be able to reach each other via this address.
PrimaryExternal() net.IP
// AllocationCIDR is the CIDR used for IP allocation of all endpoints
// on the node
AllocationCIDR() *cidr.CIDR
// LocalAddresses lists all local addresses
LocalAddresses() ([]net.IP, error)
// LoadBalancerNodeAddresses lists all addresses on which HostPort and
// NodePort services should be responded to
LoadBalancerNodeAddresses() []net.IP
}
// NodeAddressing implements addressing of a node
type NodeAddressing interface {
IPv6() NodeAddressingFamily
IPv4() NodeAddressingFamily
}