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docs: Agent Tool Cache

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This updates and simplies the tool cache documentation to match the implementation in
both  and

  Relates #459
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Leon Wright 2022-07-15 14:59:28 +08:00
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@ -422,27 +422,12 @@ If you are experiencing problems while configuring Python on your self-hosted ru
### Linux
- The Python packages that are downloaded from `actions/python-versions` are originally compiled from source in `/opt/hostedtoolcache/` with the [--enable-shared](https://github.com/actions/python-versions/blob/94f04ae6806c6633c82db94c6406a16e17decd5c/builders/ubuntu-python-builder.psm1#L35) flag, which makes them non-relocatable.
- By default runner downloads and install the tools to `/opt/hostedtoolcache`. The environment variable called `AGENT_TOOLSDIRECTORY` can be set to change this location.
- In the same shell that your runner is using, type `export AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache`.
- A more permanent way of setting the environment variable is to create a `.env` file in the same directory as your runner and to add `AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache`. This ensures the variable is always set if your runner is configured as a service.
- Create a directory called `hostedtoolcache` inside `/opt`.
- The user starting the runner must have write permission to the `/opt/hostedtoolcache` directory. It is not possible to start the Linux runner with `sudo` and the `/opt` directory usually requires root privileges to write to. Check the current user and group that the runner belongs to by typing `ls -l` inside the runners root directory.
- The runner can be granted write access to the `/opt/hostedtoolcache` directory using a few techniques:
- The user starting the runner is the owner, and the owner has write permission.
- The user starting the runner is in the owning group, and the owning group has write permission.
- All users have write permission.
- One quick way to grant access is to change the user and group of `/opt/hostedtoolcache` to be the same as the runners using `chown`.
- `sudo chown runner-user:runner-group /opt/hostedtoolcache/`.
- If your runner is configured as a service and you run into problems, make sure the user that the service is running as is correct. For more information, you can [check the status of your self-hosted runner](https://help.github.com/en/actions/hosting-your-own-runners/configuring-the-self-hosted-runner-application-as-a-service#checking-the-status-of-the-service).
- The Python packages that are downloaded from `actions/python-versions` are originally compiled from source with the [--enable-shared](https://github.com/actions/python-versions/blob/main/builders/ubuntu-python-builder.psm1#L37) flag.
- By default runner downloads and install the tools to the `RUNNER_TOOL_CACHE` directory, however `AGENT_TOOLSDIRECTORY` can be set to override this location.
### Mac
- The same setup that applies to `Linux` also applies to `Mac`, just with a different tools cache directory.
- Create a directory called `/Users/runner/hostedtoolcache`.
- Set the `AGENT_TOOLSDIRECTORY` environment variable to `/Users/runner/hostedtoolcache`.
- Change the permissions of `/Users/runner/hostedtoolcache` so that the runner has write access.
- The same setup that applies to `Linux` also applies to `Mac`
# Using Python without `setup-python`