runner-images/shared/build-image.ts

#!/usr/bin/env bun
const $ = Bun.$;

const sharedDir = import.meta.dir;
const tag = process.argv[2];
const dirName = process.argv[3];
const arches = process.argv[4].split(",");
const pathToDnfCache = process.env["DNF_CACHE_PATH"];

const stag = tag.split('/');
const imageName = stag[stag.length - 1];
const tempTag = `localhost/runner-images/${imageName}`;

await $`buildah manifest create ${tag}`;
for (const arch of arches) {
    await $`buildah build --arch ${arch} \
            --pid=host --ipc=host --network=host --userns=host \
            --uts=host ${pathToDnfCache ? `-v${pathToDnfCache}:/var/cache/dnf:O` : ""} \
            --manifest ${tag} \
            --volume ${sharedDir}:/imgbuild:z ${dirName}`;
}

await $`buildah tag ${tag} ${tempTag}`;