59 lines
1.6 KiB
Bash
59 lines
1.6 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-or-later
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set -e
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image_name=$1
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# monkey-patch loopdev partition detection, given we're not running systemd
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# (bootc runs `udevadm settle` as a way to wait until loopdev partitions are
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# detected; we hijack that call and use partx to set up the partition devices)
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original_udevadm=$( which udevadm )
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mkdir -p /output/bin
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cat >/output/bin/udevadm <<EOF
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#!/bin/sh
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${original_udevadm@Q} "\$@" && partx --add /dev/loop0
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EOF
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chmod +x /output/bin/udevadm
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# default to an xfs root file system if there is no bootc config (some images
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# don't currently provide any, for instance quay.io/fedora/fedora-bootc:40)
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if ! find /usr/lib/bootc/install -mindepth 1 -maxdepth 1 | read; then
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# /usr/lib/bootc/install is empty
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cat >/usr/lib/bootc/install/00-crun-vm.toml <<-EOF
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[install.filesystem.root]
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type = "xfs"
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EOF
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fi
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# build disk image using bootc-install
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# TODO: `bootc install to-disk` currently fails when using docker-archive. Fix
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# the underlying issue to avoid this skopeo-copy command.
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skopeo copy --quiet \
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docker-archive:/output/image.docker-archive \
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oci-archive:/output/image.oci-archive
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rm /output/image.docker-archive
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PATH=/output/bin:$PATH bootc install to-disk \
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--source-imgref oci-archive:/output/image.oci-archive \
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--target-imgref "$image_name" \
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--skip-fetch-check \
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--generic-image \
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--via-loopback \
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--karg console=tty0 \
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--karg console=ttyS0 \
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/output/image.raw
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# communicate success by creating a file, since krun always exits successfully
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touch /output/bootc-install-success
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