Justfile

mod bcvk 'bcvk.just'

image_name := env("BUILD_IMAGE_NAME", "")
image_tag := env("BUILD_IMAGE_TAG", "latest")
base_dir := env("BUILD_BASE_DIR", ".")
filesystem := env("BUILD_FILESYSTEM", "ext4")
selinux := env("BUILD_SELINUX", "true")

options := if selinux == "true" { "-v /var/lib/containers:/var/lib/containers:Z -v /etc/containers:/etc/containers:Z -v /sys/fs/selinux:/sys/fs/selinux --security-opt label=type:unconfined_t" } else { "-v /var/lib/containers:/var/lib/containers -v /etc/containers:/etc/containers" }
container_runtime := env("CONTAINER_RUNTIME", `command -v podman >/dev/null 2>&1 && echo podman || echo docker`)
sudo_prefix := if env("NOSUDO", "") == "" { "sudo " } else { "" }

# Build image and run an ephemeral VM for boot testing
test IMAGE=image_name:
    just bcvk build-and-test {{IMAGE}}

build $image_name=image_name:
    {{sudo_prefix}}{{container_runtime}} build -f {{image_name}}/Containerfile -t "${image_name}-bootc:latest" .

bootc $image_name=image_name $image_tag=image_tag *ARGS:
    sudo {{container_runtime}} run \
        --rm --privileged --pid=host \
        -it \
        {{options}} \
        -v /dev:/dev \
        -e RUST_LOG=debug \
        -v "{{base_dir}}:/data" \
        "${image_name}-bootc:${image_tag}" bootc {{ARGS}}

disk-image $image_name=image_name $image_tag=image_tag $base_dir=base_dir $filesystem=filesystem:
    #!/usr/bin/env bash
    if [ ! -e "${base_dir}/bootable.img" ] ; then
        fallocate -l 20G "${base_dir}/bootable.img"
    fi
    just bootc $image_name $image_tag install to-disk --composefs-backend --via-loopback /data/bootable.img --filesystem "${filesystem}" --wipe --bootloader systemd

rechunk $image_name=image_name:
    #!/usr/bin/env bash
    export CHUNKAH_CONFIG_STR="$(podman inspect "${image_name}-bootc")"
    podman run --rm "--mount=type=image,src=${image_name}-bootc,dest=/chunkah" -e CHUNKAH_CONFIG_STR quay.io/coreos/chunkah build --label ostree.bootable=1 --compressed --max-layers 128 | \
        podman load | \
        sort -n | \
        head -n1 | \
        cut -d, -f2 | \
        cut -d: -f3 | \
        xargs -I{} podman tag {} "${image_name}-bootc"