emissary/internal/agent/controller/openwrt/sysupgrade_firmware_version.go

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package openwrt
import (
"bytes"
"context"
"os"
"os/exec"
"strings"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/logger"
)
type ShellFirmwareVersion struct {
command string
args []string
}
// FirmwareVersion implements FirmwareVersion
func (fv *ShellFirmwareVersion) FirmwareVersion(ctx context.Context) (string, error) {
command := exec.CommandContext(ctx, fv.command, fv.args...)
var buf bytes.Buffer
command.Stdout = &buf
command.Stderr = os.Stderr
logger.Debug(ctx, "executing command", logger.F("command", fv.command), logger.F("args", fv.args))
if err := command.Run(); err != nil {
return "", errors.WithStack(err)
}
version := strings.TrimSpace(buf.String())
return version, nil
}
func NewShellFirmwareVersion(command string, args ...string) *ShellFirmwareVersion {
return &ShellFirmwareVersion{
command: command,
args: args,
}
}
var _ FirmwareVersion = &ShellFirmwareVersion{}