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Tool for running ARTIQ in Docker container.

Project description

Dockerized ARTIQ

This repository provides tools to operate with ARTIQ in dockerized environment. It makes work with ARTIQ independent from external binary repositories.

What you get with the image is a full ARTIQ installation that can be instantiated and used as a Docker container. dartiq script acts as an interface between you and Docker and makes use of dockerized ARTIQ user-friendly.

Installing

DARTIQ scirpt is available on PyPI:

python3 -m pip install dartiq

Running an ARTIQ-enabled shell

For example, to get a shell with ARTIQ installed just type dartiq shell. This will drop you in the shell with your current working directory mounted as /workspace directory in the container. It can be overriden using --workspace option.

Running single command

You can run a single command in Docker container by using run option, e.g. dartiq run "artiq_run ./experiment.py". Please note that your command must be taken into quotes!

By default, inside the container, you'll act as user of uid and gid of your own. It should prevent you from having permission problems. If you need to use different uid and gid, use --user-group option.

CAUTION: To be able to access USB devices inside the container, /dev/bus/usb is mounted and container is run in privileged mode (You were warned!). This can be disabled by adding --without-usb option.

Xilinx Vivado support

To be able to build ARTIQ firmware for Xilinx FPGAs, you'll need to have Xilinx Vivado suite available inside the container. If you source Xilinx Vivado settings64.sh (you need to have Vivado installed on your host system) prior to running dartiq, a path under which Vivado is installed will be mounted in the container and your Vivado installation will be ready to use.

If you need provide license information to the Xilinx Vivado, you can pass an appropriate information using either --copy-env-var XILINXD_LICENSE_FILE option, which copies given variable to container environment, or by adding new variable with --add-env-var XILINXD_LICENSE_FILE=<...>.

External Python modules

It may happen that you want to add some Python module to be used inside the container. Notably, a slightly modified version of ARTIQ, MiSoC or Migen may be of your interest. You can do it with --add-module <MODULE PATH> option. This will mount your module in /modules directory and add appropriate entry in the PYTHONPATH.

CAUTION: If you want to use ARTIQ as additional module, it is advised to use commit used to build DARTIQ image as a base commit to avoid dependency problems. You can always check ARTIQ commit used to build an image with dartiq version command.

Mounting files to container

If, during run time, you need files or directories that are not beneath current working directory (i.e. are not in your workspace), you can mount them using -f command line option. This will mount selected file/directory under /mountpoints inside the container. Additionally, in the container environment, a variable will be created named after file/directory basename with dots replaced with underscores and converted to uppercase. This variable will hold path to the mounted directory.

Option syntax is -f <path to file/directory>[:alias]. Alias is optional and can be used to mount file/directory under different name. For example -f /home/john/foo:bar.a will mount /home/john/foo under /mountpoints/bar.a and add BAR_A=/mountpoints/bar.a to the execution environment.

Obtaining information on ARTIQ version

dartiq version can be used to get information on the source commit of DARTIQ image, included ARTIQ commit and revision of Nix Scripts repository used to build DARTIQ image.

Configuration file

It is possible to pass script configuration as a JSON file. This may be useful for defining per-project configurations. By default dartiq.json file from the current directory is used. Configuration file path can be overridden using --config argument.

Example configuration file contents with all supported parameters:

{
    "image": "technosystem/dartiq:latest",
    "worksapce": "./",
    "xilinx_vivado_path": null,
    "xilinx_ise_path": null,
    "with_usb": true,
    "docker_options": [
        "--privileged"
    ],
    "python_modules": [
        "modules/artiq",
        "modules/misoc"
    ],
    "verbose": false,
    "copy_env_var": [
        "XILINXD_LICENSE_FILE"
    ],
    "add_env_var": [
        "FOO=BAR"
    ]
}

Command-line options override configuration file settings or expand them in case of additional modules, Docker options and environment variables.

Device access from withing the container

By default container starts with USB support and in privileged mode. However, because in the container you act as a normal user (of your current uid), appropriate udev rules are required. The fact that you can access devices without sudo on your host system may not be enough for them to be accessible for the user in the container as that user is not a member of additional groups that may be available on your host (e.g. plugdev).

To give unconstrained access to devices most commonly used with ARTIQ you can create file /etc/udev/rules.d/99-dartiq.rules (tested on Ubuntu 18.04 host) with the following contents:

# FT232H Single HS USB-UART FIFO IC, aka Digilent HS-3 JTAG
ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6014", MODE="666"

# FT4232H Quad HS USB-UART/FIFO IC, found on Kasli, Sayma, Metlino
ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6011", MODE="666"

Examples of Use

# Display help message
dartiq --help

# Run experiment
dartiq run "artiq_run ./experiment.py"

# Display artiq_run help message
dartiq run "artiq_run --help"

# Running shell with ARTIQ from specified directory
dartiq shell -m ~/repos/artiq/artiq

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