cert-manager-webhook-sthome/pkg/dns/shell.go

36 lines
796 B
Go

package dns
import (
"bytes"
"fmt"
"os/exec"
"strings"
"k8s.io/klog/v2"
)
func Execute(shell string, arg ...string) (bool, error) {
var outb, errb bytes.Buffer
cmd := exec.Command(shell, arg...)
cmd.Dir = AcmeDir
cmd.Stdout = &outb
cmd.Stderr = &errb
klog.Infof("cmd: %s\n", cmd.String())
err := cmd.Run()
outstr := strings.TrimSuffix(outb.String(), "\n")
errstr := strings.TrimSuffix(errb.String(), "\n")
klog.Infof("out:\n%s\n", outstr)
if err != nil {
klog.Errorf("Script returned error:\nerr:\n")
klog.Errorf("%s\n============\n", err)
return false, err
}
if errb.String() != "" {
klog.Infof("stderr:\n")
klog.Errorf("%s\n============\n", errstr)
return false, fmt.Errorf("stderr:\n%q", errstr)
}
klog.Infof("Script returned success\n")
return true, nil
}