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Last pushed: a year ago
Short Description
Eit docker image
Full Description

Sabayon Builder: a Docker Project

Attention! It's under strong development

State: Alpha

The purpose of this project is to provide an image of Sabayon docker-capable builder.
It is just a Sabayon base with upgrades and compilation tools.

Images are also on Docker Hub sabayon/builder-amd64 sabayon/builder-amd64-squashed.

What is

The docker container serves as a out-of-the-box builder for Sabayon.

The image will run a script that will check that all the deps of your specified atom are available on entropy, and installs them before compiling the actual package; then, it will emerge and build the packages and it's dependency that are not already available on the official sabayon repository

How to use

1) start docker

Ensure to have the daemon started and running:

sudo systemctl start docker

2) build your packages

The container expect as arguments the commands to be executed to emerge, it acts like a wrapper with few enhancements.

For example, if you want to build app-text/tree

docker run -ti --rm sabayon/builder-amd64 app-text/tree

Or a package available in an overlay

docker run -ti --rm sabayon/builder-amd64 plasma-meta --layman kde

Check the volumes for your output

you can inspect the volumes mounted by docker, or mounting externally the output directories (in such case /usr/portage/distfiles)

docker run -ti --rm -v "$PWD"/artifacts:/usr/portage/packages sabayon/builder-amd64 app-text/tree

e.g. now you can find your tbz2 in your current directory, inside the "artifacts" folder

Example

The -v flag can furthermore exploited and chained to obtain more fine-grained tweaks

You can of course customize it further, and replace all the configuration that's already been setup on the Docker Image.

  • custom.unmask: will contain your unmasks
  • custom.mask: will contain your masks
  • custom.use: will contain your use flags
  • custom.env: will contain your env specifications
  • custom.keywords: will contain your keywords

Exporting those files to your container is a matter of adding an argument to your docker run command.

Example. Exporting your custom.unmask:

-v /my/path/custom.unmask:/opt/sabayon-build/conf/intel/portage/package.unmask/custom.unmask

Example. Exporting your custom.mask:

  -v /my/path/custom.mask:/opt/sabayon-build/conf/intel/portage/package.mask/custom.mask

Example. Exporting your custom.use:

-v /my/path/custom.use:/opt/sabayon-build/conf/intel/portage/package.use/custom.use

Example. Exporting your custom.env:

-v /my/path/custom.env:/opt/sabayon-build/conf/intel/portage/package.env/custom.env

Example. Exporting your custom.keywords:

-v /my/path/custom.keywords:/opt/sabayon-build/conf/intel/portage/package.keywords/custom.keywords

In this way you tell to docker to mount your custom. file inside /opt/sabayon-build/conf/intel/portage/package./custom.* inside the container.

Keep in mind that the container have the portage directory located at /opt/sabayon-build/conf/intel/portage/ ; the /etc/portage folder is then symlinked to it.

Attention! Remember also to use absolute paths or docker will fail to mount your files in the container.

ENVIRONMENT VARIABLES

You can tweak the default behavior of the script setting those env variables with docker.

  • BUILDER_PROFILE: Sets the profile for compilation, you can select it using the number or the name
  • BUILDER_JOBS: How much jobs emerge will have assigned (-j option)
  • PRESERVED_REBUILD: 1/0 to Enable/Disable preserved rebuild compilation
  • EMERGE_DEFAULTS_ARGS: a list of commands that you might want to specify
  • FEATURES: you can override default FEATURES (like in Portage's make.conf)
  • ARTIFACTS_DIR: Copy emerge output files in this directory inside the container after all went as expected

Sabayon related:

  • USE_EQUO: 1/0 Enable/Disable equo for installing the package dependencies (if you plan to use a pure gentoo repository, set it to 0, but the compilation process would be much longer)
  • EQUO_INSTALL_ATOMS: Install the latest version of the dependency packages
  • EQUO_INSTALL_VERSION: Install the specific version of the dependency packages
  • EQUO_SPLIT_INSTALL: Install all the packages separately one by one

You can pass the ENV options to docker with the -e flag

docker run -e "EQUO_INSTALL_VERSION=1" -e "EQUO_INSTALL_ATOMS=0" -ti --rm -v "$PWD"/artifacts:/usr/portage/packages sabayon/builder-amd64 app-text/tree

Note: If you want to keep your container, remove the --rm option.

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