运行具有不同参数的相同 gradle 任务并行？

Question

我想同时运行两个具有不同参数（在 2 个环境中）的 gatlingRun 任务（由 gatling gradle 插件创建）。

我知道newgradle提供了WorkerAPI，但是这个好像不适用这种情况。

Answer 1

正如您所说，Gradle Worker API 并不真正适用于您的情况，因为它支持并行处理，但在单个 Task 的上下文中，如文档所述：

The Worker API provides the ability to break up the execution of a task action into discrete units of work and then to execute that work concurrently and asynchronously.

为了并行执行不同的任务运行，您可以使用 Parallel execution 功能。但请注意，只有当它们属于不同的子项目（同一多项目构建）时，您才能运行并行执行任务：

Most builds consist of more than one project and some of those projects are usually independent of one another. Yet Gradle will only run one task at a time by default, regardless of the project structure (this will be improved soon). By using the --parallel switch, you can force Gradle to execute tasks in parallel as long as those tasks are in different projects.

如果您的构建脚本被 "only" 用作 Gatlin 负载测试的启动器，那么也许您可以将构建脚本实现为多项目构建，每个目标环境有一个子项目进行测试；然后您可以启用 --parallel 选项以并行执行负载测试任务。

Answer 2

@M.Ricciuti 工人 API 的能力是错误的。

Gradle 的文档对此含糊不清，但是 I asked and got the answer Worker API 确实允许我们运行在同一个项目中并行执行多个任务。

这是一个工作示例，任务不同类:

import javax.inject.Inject

class Sleeping5 extends DefaultTask {
  static class Sleeper5 implements Runnable {
    String name
    @Inject
    public Sleeper5(String name) {
      this.@name = name
    }
    @Override
    void run() {
      (1..50).each { int i ->
        Thread.sleep(1000)
        println "$name: $i"
      }
    }
  }
  private final WorkerExecutor workerExecutor
  @Inject
  public Sleeping5(WorkerExecutor workerExecutor) {
    this.workerExecutor = workerExecutor
  }
  @TaskAction
  void sleep() {
    workerExecutor.submit(Sleeper5, new Action<WorkerConfiguration>() {
      @Override
      void execute(WorkerConfiguration config) {
        config.isolationMode = IsolationMode.NONE
        config.displayName = name
        config.params = [name]
      }
    })
  }
}

class Sleeping10 extends DefaultTask {
  static class Sleeper10 implements Runnable {
    String name
    @Inject
    public Sleeper10(String name) {
      this.@name = name
    }
    @Override
    void run() {
      (1..70).each { int i ->
        Thread.sleep(1000)
        println "$name: $i"
      }
    }
  }
  private final WorkerExecutor workerExecutor
  @Inject
  public Sleeping10(WorkerExecutor workerExecutor) {
    this.workerExecutor = workerExecutor
  }
  @TaskAction
  void sleep() {
    workerExecutor.submit(Sleeper10, new Action<WorkerConfiguration>() {
      @Override
      void execute(WorkerConfiguration config) {
        config.isolationMode = IsolationMode.NONE
        config.displayName = name
        config.params = [name]
      }
    })
  }
}
task(type: Sleeping5, 'sleep5')
task(type: Sleeping10, 'sleep10')

假设你有多核 CPU 或设置 gradle.workers.max 属性，并行任务 sleep5 和 sleep10 运行。

但是，根据你的实际情况，还是不行。

工作人员 API 应该在任务实施中使用，GatlingRunTask 没有使用它。

您或插件作者必须重写任务实现才能在内部使用 Worker API。

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