Organize Agentbox runtime code

Co-authored-by: codegirl007 <codegirl-007@users.noreply.github.com>

agentbox/internal/environment/dockerx11/commands.go

@@ -0,0 +1,61 @@
+package dockerx11
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os/exec"
+	"strings"
+	"time"
+)
+
+func (environmentBackend *Environment) runDocker(
+	ctx context.Context,
+	arguments ...string,
+) ([]byte, error) {
+	command := exec.CommandContext(ctx, "docker", arguments...)
+	output, err := command.CombinedOutput()
+	if err != nil {
+		return output, fmt.Errorf(
+			"docker %s: %w: %s",
+			arguments[0],
+			err,
+			strings.TrimSpace(string(output)),
+		)
+	}
+	return output, nil
+}
+
+func (environmentBackend *Environment) streamDockerOutput(
+	ctx context.Context,
+	arguments ...string,
+) error {
+	command := exec.CommandContext(ctx, "docker", arguments...)
+	command.Stdout = environmentBackend.config.Output
+	command.Stderr = environmentBackend.config.Output
+	return command.Run()
+}
+
+func waitFor(ctx context.Context, timeout time.Duration, ready func() bool) error {
+	timeoutTimer := time.NewTimer(timeout)
+	defer timeoutTimer.Stop()
+	retryTicker := time.NewTicker(100 * time.Millisecond)
+	defer retryTicker.Stop()
+
+	for {
+		if ready() {
+			return nil
+		}
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case <-timeoutTimer.C:
+			return errors.New("timed out")
+		case <-retryTicker.C:
+		}
+	}
+}
+
+func shellQuote(value string) string {
+	return "'" + strings.ReplaceAll(value, "'", "'\"'\"'") + "'"
+}