forked from yamt/midonet-kubernetes
/
ns.go
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/
ns.go
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// Copyright 2015-2017 CNI authors
//
// 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.
// +build linux
package utils
import (
"fmt"
"os"
"golang.org/x/sys/unix"
)
// GetCurrentThreadNetNSPath returns the string to represent the current
// namespace of the current thread.
// This is an exported copy of getCurrentThreadNetNSPath
// from github.com/containernetworking/plugins/pkg/ns/ns_linux.go
func GetCurrentThreadNetNSPath() string {
// /proc/self/ns/net returns the namespace of the main thread, not
// of whatever thread this goroutine is running on. Make sure we
// use the thread's net namespace since the thread is switching around
return fmt.Sprintf("/proc/%d/task/%d/ns/net", os.Getpid(), unix.Gettid())
}