1 package podman
2
3 import (
4 "encoding/json"
5 "fmt"
6 "os/exec"
7
8 "k8s.io/klog"
9 )
10
11
12 type podmanInfo struct {
13 Host *HostInfo `json:"host"`
14 }
15
16 type HostInfo struct {
17 CgroupsVersion string `json:"cgroupVersion"`
18 }
19
20 func (o *PodmanCli) getInfo() (podmanInfo, error) {
21 cmd := exec.Command(o.podmanCmd, append(o.containerRunGlobalExtraArgs, "info", "--format", "json")...)
22 klog.V(3).Infof("executing %v", cmd.Args)
23 out, err := cmd.Output()
24 if err != nil {
25 if exiterr, ok := err.(*exec.ExitError); ok {
26 err = fmt.Errorf("%s: %s", err, string(exiterr.Stderr))
27 }
28 return podmanInfo{}, err
29 }
30
31 var result podmanInfo
32
33 err = json.Unmarshal(out, &result)
34 return result, err
35 }
36
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