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runCmd.go
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/
runCmd.go
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package infraHelper
import (
"bytes"
"encoding/json"
"os/exec"
"strings"
)
type CommandError struct {
StdErr string `json:"stdErr"`
ExitCode int `json:"exitCode"`
}
func (e *CommandError) Error() string {
jsonError, _ := json.Marshal(e)
return string(jsonError)
}
func RunCmd(command string, args ...string) (string, error) {
var stdout, stderr bytes.Buffer
cmdObj := exec.Command(command, args...)
cmdObj.Stdout = &stdout
cmdObj.Stderr = &stderr
cmdObj.Env = append(cmdObj.Environ(), "DEBIAN_FRONTEND=noninteractive")
err := cmdObj.Run()
stdOut := strings.TrimSpace(stdout.String())
if err != nil {
if exitErr, ok := err.(*exec.ExitError); ok {
return stdOut, &CommandError{
StdErr: stderr.String(),
ExitCode: exitErr.ExitCode(),
}
}
return stdOut, err
}
return stdOut, nil
}
func RunCmdWithSubShell(command string) (string, error) {
return RunCmd("bash", "-c", "source /etc/profile; "+command)
}