rootfs

package
v0.9.2 Latest Latest
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Published: Jun 4, 2026 License: Apache-2.0 Imports: 5 Imported by: 0

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Types

type Builder

type Builder struct {
	// contains filtered or unexported fields
}

Builder builds rootfs images for microVMs from OCI layers.

func NewBuilder

func NewBuilder(workDir string) *Builder

NewBuilder creates a rootfs builder.

func (*Builder) BuildMinimalRootfs

func (b *Builder) BuildMinimalRootfs(vmID string, layersDir string, dokiInitPath string) (string, error)

BuildMinimalRootfs builds a minimal rootfs with just the OCI layers and the doki-init binary injected. Searches for doki-init-rust first, falls back to doki-init (Go).

func (*Builder) BuildRootfs

func (b *Builder) BuildRootfs(vmID string, rootfsDir string, sizeMB int) (string, error)

BuildRootfs builds an ext4 rootfs image from extracted OCI layers.

type KernelManager

type KernelManager struct {
	// contains filtered or unexported fields
}

KernelManager manages kernel images for microVMs.

func NewKernelManager

func NewKernelManager(kernelDir string) *KernelManager

NewKernelManager creates a kernel manager.

func (*KernelManager) GetKernelPath

func (k *KernelManager) GetKernelPath() (string, error)

GetKernelPath returns the path to the kernel for the current architecture.

func (*KernelManager) HasKernel

func (k *KernelManager) HasKernel() bool

HasKernel checks if a kernel is available.

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