50 lines
1.8 KiB
YAML
50 lines
1.8 KiB
YAML
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# This is the tag of the docker image used for the build jobs. If the
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# image doesn't exist yet, the containers-build stage generates it.
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#
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# In order to generate a new image, one should generally change the tag.
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# While removing the image from the registry would also work, that's not
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# recommended except for ephemeral images during development: Replacing
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# an image after a significant amount of time might pull in newer
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# versions of gcc/clang or other packages, which might break the build
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# with older commits using the same tag.
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#
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# After merging a change resulting in generating a new image to the
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# main repository, it's recommended to remove the image from the source
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# repository's container registry, so that the image from the main
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# repository's registry will be used there as well.
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#
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# The format of the tag is "%Y-%m-%d-${counter}" where ${counter} stays
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# at "01" unless you have multiple updates on the same day :)
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variables:
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UBUNTU_TAG: 2019-01-31-01
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UBUNTU_IMAGE: "$CI_REGISTRY/$CI_PROJECT_PATH/ubuntu:$UBUNTU_TAG"
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stages:
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- containers-build
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# CONTAINERS
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containers:ubuntu:
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stage: containers-build
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image: docker:stable
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services:
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- docker:dind
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variables:
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DOCKER_HOST: tcp://docker:2375
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DOCKER_DRIVER: overlay2
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script:
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# Enable experimental features such as `docker manifest inspect`
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- mkdir -p ~/.docker
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- "echo '{\"experimental\": \"enabled\"}' > ~/.docker/config.json"
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- docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
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# Check if the image (with the specific tag) already exists
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- docker manifest inspect $UBUNTU_IMAGE && exit || true
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- docker build -t $UBUNTU_IMAGE -f .gitlab-ci/Dockerfile.ubuntu .
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- docker push $UBUNTU_IMAGE
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only:
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changes:
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- .gitlab-ci.yml
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- .gitlab-ci/Dockerfile.ubuntu
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