47 lines
1.9 KiB
Plaintext
47 lines
1.9 KiB
Plaintext
# This is a relatively minimal base image build; it's intended as a derivation
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# point.
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#
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# This container build uses nested containerization to construct
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# a target rootfs from scratch; so you must build with e.g.
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# podman build --security-opt=label=disable --cap-add=all --device /dev/fuse <...>
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# If you want to configure the input rpm-md repositories, just override this
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# container image.
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FROM quay.io/fedora/fedora:rawhide as repos
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# See https://github.com/coreos/rpm-ostree/issues/3397
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RUN ln -sr /usr/lib/sysimage/rpm /usr/share/rpm
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# BOOTSTRAPPING: This can be any image that has the following packages.
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FROM registry.gitlab.com/fedora/bootc/base-images-dev/fedora-bootc-dev:rawhide as builder
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RUN dnf -y install rpm-ostree selinux-policy-targeted sqlite
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# Copy in our source code.
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COPY . /src
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WORKDIR /src
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RUN --mount=type=bind,from=repos,src=/,dst=/repos <<EORUN
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set -xeuo pipefail
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# Synchronize the dnf/rpm configs from the repos container.
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for x in etc/dnf etc/yum.repos.d etc/pki/rpm-gpg; do
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rm -rf /"$x" && cp -a /repos/${x} /$x
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done
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# And copy to the workdir; TODO fix this in rpm-ostree
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cp /etc/yum.repos.d/*.repo base
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rpm-ostree experimental compose rootfs --source-root=/repos base/manifest.yaml /target-rootfs
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# Embed the configuration in the image itself, so that it can be used by later builds as well
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cp -a base /target-rootfs/usr/lib/sysimage/base-image-manifests
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EORUN
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# This pulls in the rootfs generated in the previous step
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FROM scratch
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COPY --from=builder /target-rootfs/ /
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LABEL containers.bootc 1
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# This is an ad-hoc way for us to reference bootc-image-builder in
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# a way that in theory client tooling can inspect and find. Today
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# it isn't widely used.
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LABEL bootc.diskimage-builder quay.io/centos-bootc/bootc-image-builder
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# https://pagure.io/fedora-kiwi-descriptions/pull-request/52
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ENV container=oci
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# Make systemd the default
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STOPSIGNAL SIGRTMIN+3
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CMD ["/sbin/init"]
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