mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-24 07:10:20 +00:00
30 lines
1.0 KiB
Go
30 lines
1.0 KiB
Go
|
// Copyright 2018 The etcd 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.
|
||
|
|
|
||
|
|
package systemd
|
||
|
|
|
||
|
|
import "net"
|
||
|
|
|
||
|
|
// DialJournal returns no error if the process can dial journal socket.
|
||
|
|
// Returns an error if dial failed, whichi indicates journald is not available
|
||
|
|
// (e.g. run embedded etcd as docker daemon).
|
||
|
|
// Reference: https://github.com/coreos/go-systemd/blob/master/journal/journal.go.
|
||
|
|
func DialJournal() error {
|
||
|
|
conn, err := net.Dial("unixgram", "/run/systemd/journal/socket")
|
||
|
|
if conn != nil {
|
||
|
|
defer conn.Close()
|
||
|
|
}
|
||
|
|
return err
|
||
|
|
}
|