mirror of
https://github.com/kubernetes/sample-controller.git
synced 2025-01-22 18:02:51 +08:00
a2f289abf2
Automatic merge from submit-queue (batch tested with PRs 55798, 49579, 54862, 55188, 51990). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Add monitoring support for hardware accelerators Currently only NVIDIA GPU monitoring is implemented. Feature repo issue: https://github.com/kubernetes/features/issues/369 cAdvisor PR: https://github.com/google/cadvisor/pull/1762 /kind feature /sig node /sig instrumentation /area hw-accelerators **Release note**: ```release-note Kubelet now exposes metrics for NVIDIA GPUs attached to the containers. ``` Kubernetes-commit: 779105673ab2f00af9e02dc9ac3c6413588aeae4
37 lines
1.0 KiB
Go
37 lines
1.0 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Socket control messages
|
|
|
|
package unix
|
|
|
|
import "unsafe"
|
|
|
|
// UnixCredentials encodes credentials into a socket control message
|
|
// for sending to another process. This can be used for
|
|
// authentication.
|
|
func UnixCredentials(ucred *Ucred) []byte {
|
|
b := make([]byte, CmsgSpace(SizeofUcred))
|
|
h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
|
|
h.Level = SOL_SOCKET
|
|
h.Type = SCM_CREDENTIALS
|
|
h.SetLen(CmsgLen(SizeofUcred))
|
|
*((*Ucred)(cmsgData(h))) = *ucred
|
|
return b
|
|
}
|
|
|
|
// ParseUnixCredentials decodes a socket control message that contains
|
|
// credentials in a Ucred structure. To receive such a message, the
|
|
// SO_PASSCRED option must be enabled on the socket.
|
|
func ParseUnixCredentials(m *SocketControlMessage) (*Ucred, error) {
|
|
if m.Header.Level != SOL_SOCKET {
|
|
return nil, EINVAL
|
|
}
|
|
if m.Header.Type != SCM_CREDENTIALS {
|
|
return nil, EINVAL
|
|
}
|
|
ucred := *(*Ucred)(unsafe.Pointer(&m.Data[0]))
|
|
return &ucred, nil
|
|
}
|