allow to pass whole exec config to docker client

Author: Tofel

framework/docker.go

@@ -157,6 +157,46 @@ func (dc *DockerClient) ExecContainer(containerName string, command []string) (s
 	return string(output), nil
 }
 
+// ExecContainer executes a command inside a running container by name and returns the combined stdout/stderr.
+func (dc *DockerClient) ExecContainerOptions(containerName string, execConfig container.ExecOptions) (string, error) {
+	L.Info().Strs("Command", execConfig.Cmd).Str("ContainerName", containerName).Msg("Executing command")
+	ctx := context.Background()
+	containers, err := dc.cli.ContainerList(ctx, container.ListOptions{
+		All: true,
+	})
+	if err != nil {
+		return "", fmt.Errorf("failed to list containers: %w", err)
+	}
+	var containerID string
+	for _, cont := range containers {
+		for _, name := range cont.Names {
+			if name == "/"+containerName {
+				containerID = cont.ID
+				break
+			}
+		}
+	}
+	if containerID == "" {
+		return "", fmt.Errorf("container with name '%s' not found", containerName)
+	}
+
+	execID, err := dc.cli.ContainerExecCreate(ctx, containerID, execConfig)
+	if err != nil {
+		return "", fmt.Errorf("failed to create exec instance: %w", err)
+	}
+	resp, err := dc.cli.ContainerExecAttach(ctx, execID.ID, container.ExecStartOptions{})
+	if err != nil {
+		return "", fmt.Errorf("failed to attach to exec instance: %w", err)
+	}
+	defer resp.Close()
+	output, err := io.ReadAll(resp.Reader)
+	if err != nil {
+		return "", fmt.Errorf("failed to read exec output: %w", err)
+	}
+	L.Info().Str("Output", string(output)).Msg("Command output")
+	return string(output), nil
+}
+
 // CopyFile copies a file into a container by name
 func (dc *DockerClient) CopyFile(containerName, sourceFile, targetPath string) error {
 	ctx := context.Background()