rootfs

package

v0.1.0 Latest Latest Go to latest Published: Mar 4, 2026 License: MIT Imports: 7 Imported by: 0

Details

Package rootfs builds ext4 rootfs images from Docker/OCI images with the forgevm-agent baked in.

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type Builder struct {
	CacheDir  string // Directory to cache built rootfs images.
	AgentPath string // Path to the compiled forgevm-agent binary.
}

Builder creates rootfs images from Docker images.

func (b *Builder) GetOrBuild(ctx context.Context, image string, diskSizeMB int) (string, error)

GetOrBuild returns the path to a rootfs image for the given Docker image, building it if not cached. Requires: docker, mkfs.ext4, mount (needs sudo).