mirror of https://github.com/k3s-io/k3s
92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package testing
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import (
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"fmt"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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// FakeNetlinkHandle mock implementation of proxy NetlinkHandle
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type FakeNetlinkHandle struct {
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// localAddresses is a network interface name to all of its IP addresses map, e.g.
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// eth0 -> [1.2.3.4, 10.20.30.40]
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localAddresses map[string][]string
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}
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// NewFakeNetlinkHandle will create a new FakeNetlinkHandle
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func NewFakeNetlinkHandle() *FakeNetlinkHandle {
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fake := &FakeNetlinkHandle{
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localAddresses: make(map[string][]string),
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}
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return fake
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}
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// EnsureAddressBind is a mock implementation
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func (h *FakeNetlinkHandle) EnsureAddressBind(address, devName string) (exist bool, err error) {
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return false, nil
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}
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// UnbindAddress is a mock implementation
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func (h *FakeNetlinkHandle) UnbindAddress(address, devName string) error {
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return nil
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}
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// EnsureDummyDevice is a mock implementation
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func (h *FakeNetlinkHandle) EnsureDummyDevice(devName string) (bool, error) {
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return false, nil
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}
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// DeleteDummyDevice is a mock implementation
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func (h *FakeNetlinkHandle) DeleteDummyDevice(devName string) error {
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return nil
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}
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// GetLocalAddresses is a mock implementation
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func (h *FakeNetlinkHandle) GetLocalAddresses(filterDev string) (sets.String, error) {
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res := sets.NewString()
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if len(filterDev) != 0 {
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// list all addresses from a given network interface.
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for _, addr := range h.localAddresses[filterDev] {
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res.Insert(addr)
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}
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return res, nil
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}
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// If filterDev is not given, will list all addresses from all available network interface.
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for linkName := range h.localAddresses {
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// list all addresses from a given network interface.
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for _, addr := range h.localAddresses[linkName] {
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res.Insert(addr)
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}
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}
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return res, nil
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}
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// SetLocalAddresses set IP addresses to the given interface device. It's not part of interface.
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func (h *FakeNetlinkHandle) SetLocalAddresses(dev string, ips ...string) error {
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if h.localAddresses == nil {
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h.localAddresses = make(map[string][]string)
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}
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if len(dev) == 0 {
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return fmt.Errorf("device name can't be empty")
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}
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h.localAddresses[dev] = make([]string, 0)
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h.localAddresses[dev] = append(h.localAddresses[dev], ips...)
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return nil
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}
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