mirror of https://github.com/docker/docs.git
37 lines
868 B
Go
37 lines
868 B
Go
package virtualbox
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import (
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"bytes"
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"io/ioutil"
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"github.com/docker/machine/libmachine/log"
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)
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// IsVTXDisabled checks if VT-X is disabled in the BIOS. If it is, the vm will fail to start.
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// If we can't be sure it is disabled, we carry on and will check the vm logs after it's started.
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// We want to check that either vmx or smd flags are present in /proc/cpuinfo.
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func (d *Driver) IsVTXDisabled() bool {
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features := [2][]byte{
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{'v', 'm', 'x'},
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{'s', 'm', 'd'},
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}
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errmsg := "Couldn't check that VT-X/AMD-v is enabled. Will check that the vm is properly created: %v"
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content, err := ioutil.ReadFile("/proc/cpuinfo")
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if err != nil {
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log.Debugf(errmsg, err)
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return false
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}
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for _, v := range features {
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if bytes.Contains(content, v) {
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return false
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}
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}
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return true
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}
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func detectVBoxManageCmd() string {
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return detectVBoxManageCmdInPath()
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}
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