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38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
//go:build linux
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// +build linux
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/*
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Copyright 2018 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 util
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import (
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"fmt"
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"time"
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"golang.org/x/sys/unix"
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)
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// GetBootTime returns the time at which the machine was started, truncated to the nearest second
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func GetBootTime() (time.Time, error) {
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currentTime := time.Now()
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var info unix.Sysinfo_t
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if err := unix.Sysinfo(&info); err != nil {
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return time.Time{}, fmt.Errorf("error getting system uptime: %s", err)
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}
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return currentTime.Add(-time.Duration(info.Uptime) * time.Second).Truncate(time.Second), nil
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}
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