a663bf9f48
Create symlink for docker container's netns so ovs plugins could find the netns correctly. Change-Id: Ib301060367883c1978b3ee7bb13a500672fafd1e Implements: blueprint container-runtime Signed-off-by: Pengfei Ni <feiskyer@gmail.com>
82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
/*
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Copyright (c) 2017 OpenStack Foundation.
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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 util
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import (
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"errors"
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"os"
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"path/filepath"
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apiv1 "k8s.io/api/core/v1"
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)
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const (
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namePrefix = "kube"
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SystemTenant = apiv1.NamespaceDefault
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SystemPassword = "password"
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SystemNetwork = apiv1.NamespaceDefault
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)
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var ErrNotFound = errors.New("NotFound")
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var ErrMultipleResults = errors.New("MultipleResults")
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func BuildNetworkName(namespace, name string) string {
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if IsSystemNamespace(namespace) {
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// All system namespaces shares same network.
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return namePrefix + "-" + SystemTenant + "-" + SystemTenant
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}
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return namePrefix + "-" + namespace + "-" + name
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}
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func BuildLoadBalancerName(namespace, name string) string {
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if IsSystemNamespace(namespace) {
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namespace = SystemTenant
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}
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return namePrefix + "-" + namespace + "-" + name
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}
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func BuildPortName(namespace, podName string) string {
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if IsSystemNamespace(namespace) {
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namespace = SystemTenant
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}
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return namePrefix + "-" + namespace + "-" + podName
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}
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func IsSystemNamespace(ns string) bool {
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switch ns {
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case
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"default",
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"kube-system",
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"kube-public":
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return true
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}
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return false
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}
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// NetnsSymlink make a symlink for a netns path.
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func NetnsSymlink(source, dest string) error {
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dir := filepath.Dir(dest)
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// create dst dir if not exist.
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if _, err := os.Stat(dir); os.IsNotExist(err) {
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os.MkdirAll(dir, 0750)
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}
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return os.Symlink(source, dest)
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}
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