61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
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package runner
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import (
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"bytes"
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"context"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"time"
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"github.com/google/uuid"
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)
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type NodeRunner struct {
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TempDir string
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}
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func (r *NodeRunner) Run(ctx context.Context, code string) (*ExecutionResult, error) {
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workDir := filepath.Join(r.TempDir, uuid.New().String())
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if err := os.MkdirAll(workDir, 0755); err != nil {
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return nil, err
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}
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defer os.RemoveAll(workDir)
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filePath := filepath.Join(workDir, "script.js")
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if err := ioutil.WriteFile(filePath, []byte(code), 0644); err != nil {
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return nil, err
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}
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cmd := exec.CommandContext(ctx, "node", "script.js")
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cmd.Dir = workDir
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var stdout, stderr bytes.Buffer
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cmd.Stdout = &stdout
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cmd.Stderr = &stderr
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startTime := time.Now()
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err := cmd.Run()
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duration := time.Since(startTime).Milliseconds()
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result := &ExecutionResult{
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Output: stdout.String(),
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Error: stderr.String(),
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Duration: duration,
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}
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if err != nil {
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if exitErr, ok := err.(*exec.ExitError); ok {
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result.ExitCode = exitErr.ExitCode()
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} else {
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result.ExitCode = -1
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}
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if ctx.Err() == context.DeadlineExceeded {
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result.Error += "\nExecution timed out"
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}
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}
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return result, nil
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}
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