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Esta versión de GitHub Enterprise se discontinuó el 2022-06-03. No se realizarán lanzamientos de patch, ni siquiera para problemas de seguridad críticos. Para obtener un mejor desempeño, más seguridad y nuevas características, actualiza a la última versión de GitHub Enterprise. Para obtener ayuda con la actualización, contacta al soporte de GitHub Enterprise.

Troubleshooting GitHub Actions for your enterprise

Troubleshooting common issues that occur when using GitHub Actions on GitHub Enterprise Server.

Site administrators can troubleshoot GitHub Actions issues and modify GitHub Enterprise Server configurations.

Checking the health of GitHub Actions

You can check the health of GitHub Actions on tu instancia de GitHub Enterprise Server with the ghe-actions-check command-line utility. For more information, see "Command-line utilities" and "Accessing the administrative shell (SSH)."

Configuring self-hosted runners when using a self-signed certificate for GitHub Enterprise Server

Te recomendamos ampliamente que configures el TLS en GitHub Enterprise Server con un certificado que firme una autoridad confiable. Aunque un certificado auto-firmado podría funcionar, se requeriría una configuración adicional para tus ejecutores auto-hospedados y esto no se recomienda para los ambientes productivos. For more information, see "Configuring TLS."

Installing the certificate on the runner machine

For a self-hosted runner to connect to a GitHub Enterprise Server using a self-signed certificate, you must install the certificate on the runner machine so that the connection is security hardened.

For the steps required to install a certificate, refer to the documentation for your runner's operating system.

Configuring Node.JS to use the certificate

Most actions are written in JavaScript and run using Node.js, which does not use the operating system certificate store. For the self-hosted runner application to use the certificate, you must set the NODE_EXTRA_CA_CERTS environment variable on the runner machine.

You can set the environment variable as a system environment variable, or declare it in a file named .env in the self-hosted runner application directory.

For example:

NODE_EXTRA_CA_CERTS=/usr/share/ca-certificates/extra/mycertfile.crt

Environment variables are read when the self-hosted runner application starts, so you must set the environment variable before configuring or starting the self-hosted runner application. If your certificate configuration changes, you must restart the self-hosted runner application.

Configuring Docker containers to use the certificate

If you use Docker container actions or service containers in your workflows, you might also need to install the certificate in your Docker image in addition to setting the above environment variable.

Configuring HTTP proxy settings for GitHub Actions

Si tienes configurado un Servidor Proxy HTTP en tu instancia de GitHub Enterprise Server, debes agregar localhost y 127.0.0.1 a la lista de Exclusión de Proxy HTTP. Para obtener más información sobre cómo cambiar tu configuración de proxy, consulta la sección "Configurar un servidor de proxy web saliente".

If these settings aren't correctly configured, you might receive errors like Resource unexpectedly moved to https://<IP_ADDRESS> when setting or changing your GitHub Actions configuration.

Runners not connecting to GitHub Enterprise Server with a new hostname

Advertencia: No cambies el nombre de host para GitHub Enterprise Server después de la configuración inicial. Cambiar el nombre del host ocasionará un comportamiento inesperado que puede incluir y llegar hasta la interrupción del servicio.

If you deploy GitHub Enterprise Server in your environment with a new hostname and the old hostname no longer resolves to your instance, self-hosted runners will be unable to connect to the old hostname, and will not execute any jobs.

You will need to update the configuration of your self-hosted runners to use the new hostname for tu instancia de GitHub Enterprise Server. Each self-hosted runner will require one of the following procedures:

  • In the self-hosted runner application directory, edit the .runner and .credentials files to replace all mentions of the old hostname with the new hostname, then restart the self-hosted runner application.
  • Remove the runner from GitHub Enterprise Server using the UI, and re-add it. For more information, see "Removing self-hosted runners" and "Adding self-hosted runners."

Stuck jobs and GitHub Actions memory and CPU limits

GitHub Actions is composed of multiple services running on tu instancia de GitHub Enterprise Server. By default, these services are set up with default CPU and memory limits that should work for most instances. However, heavy users of GitHub Actions might need to adjust these settings.

You may be hitting the CPU or memory limits if you notice that jobs are not starting (even though there are idle runners), or if the job's progress is not updating or changing in the UI.

1. Check the overall CPU and memory usage in the management console

Access the management console and use the monitor dashboard to inspect the overall CPU and memory graphs under "System Health". For more information, see "Accessing the monitor dashboard."

If the overall "System Health" CPU usage is close to 100%, or there is no free memory left, then tu instancia de GitHub Enterprise Server is running at capacity and needs to be scaled up. For more information, see "Increasing CPU or memory resources."

2. Check the Nomad Jobs CPU and memory usage in the management console

If the overall "System Health" CPU and memory usage is OK, scroll down the monitor dashboard page to the "Nomad Jobs" section, and look at the "CPU Percent Value" and "Memory Usage" graphs.

Each plot in these graphs corresponds to one service. For GitHub Actions services, look for:

  • mps_frontend
  • mps_backend
  • token_frontend
  • token_backend
  • actions_frontend
  • actions_backend

If any of these services are at or near 100% CPU utilization, or the memory is near their limit (2 GB by default), then the resource allocation for these services might need increasing. Take note of which of the above services are at or near their limit.

3. Increase the resource allocation for services at their limit

  1. Log in to the administrative shell using SSH. For more information, see "Accessing the administrative shell (SSH)."

  2. Run the following command to see what resources are available for allocation:

    nomad node status -self

    In the output, find the "Allocated Resources" section. It looks similar to the following example:

    Allocated Resources
    CPU              Memory          Disk
    7740/49600 MHZ   23 GiB/32 GiB   4.4 GiB/7.9 GiB
    

    For CPU and memory, this shows how much is allocated to the total of all services (the left value) and how much is available (the right value). In the example above, there is 23 GiB of memory allocated out of 32 GiB total. This means there is 9 GiB of memory available for allocation.

    Warning: Be careful not to allocate more than the total available resources, or services will fail to start.

  3. Change directory to /etc/consul-templates/etc/nomad-jobs/actions:

    cd /etc/consul-templates/etc/nomad-jobs/actions

    In this directory there are three files that correspond to the GitHub Actions services from above:

    • mps.hcl.ctmpl
    • token.hcl.ctmpl
    • actions.hcl.ctmpl
  4. For the services that you identified that need adjustment, open the corresponding file and locate the resources group that looks like the following:

    resources {
      cpu = 512
      memory = 2048
      network {
        port "http" { }
      }
    }
    

    The values are in MHz for CPU resources, and MB for memory resources.

    For example, to increase the resource limits in the above example to 1 GHz for the CPU and 4 GB of memory, change it to:

    resources {
      cpu = 1024
      memory = 4096
      network {
        port "http" { }
      }
    }
    
  5. Save and exit the file.

  6. Run ghe-config-apply to apply the changes.

    When running ghe-config-apply, if you see output like Failed to run nomad job '/etc/nomad-jobs/<name>.hcl', then the change has likely over-allocated CPU or memory resources. If this happens, edit the configuration files again and lower the allocated CPU or memory, then re-run ghe-config-apply.

  7. After the configuration is applied, run ghe-actions-check to verify that the GitHub Actions services are operational.