mirror of https://github.com/docker/docs.git
57 lines
934 B
Go
57 lines
934 B
Go
package virtualbox
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import (
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"bufio"
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"io"
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"strconv"
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"strings"
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)
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type VirtualBoxVM struct {
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CPUs int
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Memory int
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}
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func (d *Driver) getVMInfo(name string) (*VirtualBoxVM, error) {
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out, err := d.vbmOut("showvminfo", name, "--machinereadable")
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if err != nil {
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return nil, err
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}
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r := strings.NewReader(out)
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return parseVMInfo(r)
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}
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func parseVMInfo(r io.Reader) (*VirtualBoxVM, error) {
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s := bufio.NewScanner(r)
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vm := &VirtualBoxVM{}
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for s.Scan() {
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line := s.Text()
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if line == "" {
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continue
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}
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res := reEqualLine.FindStringSubmatch(line)
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if res == nil {
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continue
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}
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switch key, val := res[1], res[2]; key {
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case "cpus":
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v, err := strconv.Atoi(val)
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if err != nil {
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return nil, err
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}
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vm.CPUs = v
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case "memory":
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v, err := strconv.Atoi(val)
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if err != nil {
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return nil, err
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}
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vm.Memory = v
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}
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}
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if err := s.Err(); err != nil {
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return nil, err
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}
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return vm, nil
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}
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