oc-deploy/src/kubectl/version.go

package kubectl

import (
    "os/exec"
    "encoding/json"
)

type toolClientVersion struct {
    GitVersion string `json:"gitVersion"`
}

type toolVersion struct {
    ClientVersion toolClientVersion `json:"clientVersion"`
}

func Version(path string) (string, error) {

    cmd := exec.Command(path, "version", "-o", "json", "--client=true")
    stdout, err := cmd.CombinedOutput()

    if err != nil {
        return "", err
    }

    var objmap toolVersion

    json.Unmarshal(stdout, &objmap)
    res := objmap.ClientVersion.GitVersion

    return res, nil
}