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Getting started with self-hosted runners for your enterprise

In this article

You can configure a runner machine for your enterprise so your developers can start automating workflows with GitHub Actions.

Who can use this feature

Enterprise owners can configure policies for GitHub Actions and add self-hosted runners to the enterprise.

About self-hosted runners for GitHub Actions

GitHub Actions allows people who use your GitHub Enterprise Server instance to improve productivity by automating every phase of the software development workflow. For more information, see "About GitHub Actions for enterprises."

With GitHub Actions, developers can write and combine individual tasks called actions to create custom workflows. To enable GitHub Actions for your GitHub Enterprise Server instance, you must host at least one machine to execute jobs. This machine is called a self-hosted runner. 自承载运行器可以是物理设备、虚拟设备、在容器中、在本地或在云中。 运行器机器使用 GitHub Actions 自托管运行器应用程序连接到 GitHub Enterprise Server。 Self-hosted runners can run Linux, Windows, or macOS. For more information, see "About self-hosted runners."

This guide shows you how to apply a centralized management approach to self-hosted runners for GitHub Actions in your enterprise. In the guide, you'll complete the following tasks.

  1. Configure a limited policy to restrict the actions that can run within your enterprise
  2. Deploy a self-hosted runner for your enterprise
  3. Create a group to manage access to the runners available to your enterprise
  4. Optionally, further restrict the repositories that can use the runner
  5. Optionally, build custom tooling to automatically scale your self-hosted runners

You'll also find additional information about how to monitor and secure your self-hosted runners, how to access actions from GitHub.com, and how to customize the software on your runner machines.

After you finish the guide, users of your GitHub Enterprise Server instance will be able to run workflow jobs from GitHub Actions on a self-hosted runner machine.

Prerequisites

  • 必须为 GitHub Enterprise Server 启用 GitHub Actions。 站点管理员可以为实例启用和配置 GitHub Actions。 有关更多信息，请参阅“GitHub Enterprise Server 的 GitHub Actions 入门”。

  • 必须有权访问将在环境中用作自承载运行器的计算机。

  • The connection between self-hosted runners and GitHub Enterprise Server is over HTTP (port 80) or HTTPS (port 443). To ensure connectivity over HTTPS, configure TLS for your GitHub Enterprise Server instance. For more information, see "Configuring TLS." 有关详细信息，请参阅“关于自承载运行器”。

  • Your enterprise must own at least one organization. For more information, see "About organizations" and "Creating a new organization from scratch."

1. Configure policies for GitHub Actions

First, enable GitHub Actions for all organizations, and configure a policy to restrict the actions that can run on your GitHub Enterprise Server instance. Optionally, organization owners can further restrict these policies for each organization.

  1. 在 GitHub Enterprise Server 的右上角，单击你的个人资料照片，然后单击“企业设置”。 GitHub Enterprise Server 上个人资料照片下拉菜单中的“企业设置”

  2. 在企业边栏中，单击 “策略”。 企业帐户边栏中的“策略”选项卡

  3. 在“ 策略”下，单击“操作”。

  4. Under "Policies", select Enable for all organizations.

    Screenshot of "Enable for all organizations" policy for GitHub Actions

  5. Select 允许选择操作 and Allow actions created by GitHub to allow local actions, and actions created by GitHub.

    Screenshot of "Allow select actions" and "Allow actions created by GitHub" for GitHub Actions

  6. Click Save.

You can configure additional policies to restrict the actions available to users of your GitHub Enterprise Server instance. For more information, see "Enforcing policies for GitHub Actions in your enterprise."

2. Deploy the self-hosted runner for your enterprise

Next, add a self-hosted runner to your enterprise. GitHub Enterprise Server will guide you through installation of the necessary software on the runner machine. After you deploy the runner, you can verify connectivity between the runner machine and your GitHub Enterprise Server instance.

Adding the self-hosted runner

  1. 在 GitHub Enterprise Server 的右上角，单击你的个人资料照片，然后单击“企业设置”。 GitHub Enterprise Server 上个人资料照片下拉菜单中的“企业设置”

  2. 在企业边栏中，单击 “策略”。 企业帐户边栏中的“策略”选项卡

  3. 在“ 策略”下，单击“操作”。

  4. 单击“运行器”选项卡。

  5. Click New runner.

  6. 选择自托管运行器计算机的操作系统映像和体系结构。

  7. 您将看到指示您如何下载运行器应用程序并安装到自托管运行器机器上的说明。

    在自托管运行器机器上打开 shell，并按显示的顺序运行每个 shell 命令。

    注意：在 Windows 上，如果要将自托管运行器应用程序安装为服务，必须打开具有管理员权限的 shell。 我们还建议你使用 C:\actions-runner 作为自托管运行器应用程序的目录，以便 Windows 系统帐户可以访问运行器目录。

    这些说明将指导您完成以下任务：

    • 下载并提取自托管运行器应用程序。
    • 运行 config 脚本配置自托管运行器应用程序，并将其注册到 GitHub Actions。 config 脚本需要目标 URL 和自动生成的时间限制令牌对请求进行身份验证。
      • 在 Windows 上，config 脚本还会询问你是否想将自托管运行器应用程序安装为服务。 对于 Linux 和 macOS，您可以在完成添加运行器后安装服务。 有关详细信息，请参阅“将自托管运行应用程序配置为服务”。
    • 运行自托管运行器应用程序以将机器连接到 GitHub Actions。

检查您的自托管运行器是否已成功添加

在完成添加自托管运行器的步骤后，运行器及其状态列在“自托管运行器”下。

必须激活自托管运行器应用程序，运行器才能接受作业。 当运行器应用程序连接到 GitHub Enterprise Server 并准备接收作业时，你将在机器的终端上看到以下消息。

√ Connected to GitHub

2019-10-24 05:45:56Z: Listening for Jobs

3. Manage access to the self-hosted runner using a group

You can create a runner group to manage access to the runner that you added to your enterprise. You'll use the group to choose which organizations can execute jobs from GitHub Actions on the runner.

GitHub Enterprise Server adds all new runners to a group. Runners can be in one group at a time. By default, GitHub Enterprise Server adds new runners to the "Default" group.

  1. 在 GitHub Enterprise Server 的右上角，单击你的个人资料照片，然后单击“企业设置”。 GitHub Enterprise Server 上个人资料照片下拉菜单中的“企业设置”

  2. 在企业边栏中，单击 “策略”。 企业帐户边栏中的“策略”选项卡

  3. 在“ 策略”下，单击“操作”。

  4. 单击“运行器组”选项卡。

  5. Click New runner group.

  6. Under "Group name", type a name for your runner group.

  7. To choose a policy for organization access, under "Organization access", select the Organization access drop-down, and click Selected organizations.

  8. To the right of the drop-down with the organization access policy, click .

  9. Select the organizations you'd like to grant access to the runner group.

  10. Optionally, to allow public repositories in the selected organizations to use runners in the group, select Allow public repositories.

    Warning:

    建议仅将自托管运行器用于私有仓库。 这是因为，通过创建在工作流中执行代码的拉取请求，公共存储库的分支可能会在自托管运行器计算机上运行危险代码。

    For more information, see "About self-hosted runners."

  11. Click Create group to create the group and apply the policy.

  12. Click the "Runners" tab.

  13. In the list of runners, click the runner that you deployed in the previous section.

  14. Click Edit.

  15. Click Runner groups .

  16. In the list of runner groups, click the name of the group that you previously created.

  17. Click Save to move the runner to the group.

You've now deployed a self-hosted runner that can run jobs from GitHub Actions within the organizations that you specified.

4. Further restrict access to the self-hosted runner

Optionally, organization owners can further restrict the access policy of the runner group that you created. For example, an organization owner could allow only certain repositories in the organization to use the runner group.

For more information, see "Managing access to self-hosted runners using groups."

5. Automatically scale your self-hosted runners

Optionally, you can build custom tooling to automatically scale the self-hosted runners for your GitHub Enterprise Server instance. For example, your tooling can respond to webhook events from your GitHub Enterprise Server instance to automatically scale a cluster of runner machines. For more information, see "Autoscaling with self-hosted runners."

Next steps

Further reading