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1Panel/backend/utils/cmd/cmd.go

51 lines
785 B

package cmd
import (
"bufio"
"context"
"io"
"os/exec"
"sync"
)
func Exec(cmdStr string) (out string, err error) {
command := exec.CommandContext(context.Background(), "bash", "-c", cmdStr)
var wg sync.WaitGroup
wg.Add(1)
stdout, err := command.StdoutPipe()
if err != nil {
return
}
readout := bufio.NewReader(stdout)
go func() {
defer wg.Done()
out = getOutput(readout)
}()
err = command.Run()
if err != nil {
return
}
wg.Wait()
return
}
func getOutput(reader *bufio.Reader) string {
var sumOutput string
outputBytes := make([]byte, 200)
for {
n, err := reader.Read(outputBytes)
if err != nil {
if err == io.EOF {
break
}
sumOutput += err.Error()
}
output := string(outputBytes[:n])
sumOutput += output
}
return sumOutput
}