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e8381db778
* Update Kubernetes to v1.21.0 * Update to golang v1.16.2 * Update dependent modules to track with upstream * Switch to upstream flannel * Track changes to upstream cloud-controller-manager and FeatureGates Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
// Copyright 2015 flannel authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package backend
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import (
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"net"
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"sync"
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"golang.org/x/net/context"
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"github.com/flannel-io/flannel/subnet"
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)
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type ExternalInterface struct {
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Iface *net.Interface
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IfaceAddr net.IP
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ExtAddr net.IP
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}
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// Besides the entry points in the Backend interface, the backend's New()
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// function receives static network interface information (like internal and
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// external IP addresses, MTU, etc) which it should cache for later use if
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// needed.
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type Backend interface {
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// Called when the backend should create or begin managing a new network
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RegisterNetwork(ctx context.Context, wg *sync.WaitGroup, config *subnet.Config) (Network, error)
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}
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type Network interface {
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Lease() *subnet.Lease
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MTU() int
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Run(ctx context.Context)
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}
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type BackendCtor func(sm subnet.Manager, ei *ExternalInterface) (Backend, error)
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