mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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27 lines
556 B
Go
27 lines
556 B
Go
package cgroup
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import (
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"bytes"
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"io/ioutil"
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"os/exec"
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"strconv"
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)
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func readInt64(path, altCommand string) (int64, error) {
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data, err := ioutil.ReadFile(path)
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if err == nil {
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data = bytes.TrimSpace(data)
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return strconv.ParseInt(string(data), 10, 64)
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}
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return readInt64FromCommand(altCommand)
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}
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func readInt64FromCommand(command string) (int64, error) {
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cmd := exec.Command("/bin/sh", "-c", command)
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data, err := cmd.Output()
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if err != nil {
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return 0, err
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}
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data = bytes.TrimSpace(data)
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return strconv.ParseInt(string(data), 10, 64)
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}
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