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Install vxn-init.sh alongside the existing init scripts in both vdkr
and vpdmn rootfs images. The Xen backend selects it at boot via the
vcontainer.init=/vxn-init.sh kernel command line parameter. Add
file-checksums tracking so rootfs rebuilds when the script changes.
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Previously, vcontainer recipes had [nostamp] flags that forced all
tasks to rebuild on every bitbake invocation, even when nothing changed.
This was added as a workaround for dependency tracking issues but caused
slow rebuild times.
Changes:
- Make [nostamp] conditional on VCONTAINER_FORCE_BUILD variable
- Default to normal stamp-based caching for faster incremental builds
- file-checksums on do_rootfs still tracks init script changes
- Add VCONTAINER_FORCE_BUILD status to the tarball build banner
To enable the old always-rebuild behavior (for debugging dependency
issues), set in local.conf:
VCONTAINER_FORCE_BUILD = "1"
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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The vruntime distro is used for multiconfig builds of both vdkr
(Docker/runc) and vpdmn (Podman/crun) images. When CONTAINER_PROFILE
or VIRTUAL-RUNTIME_container_runtime is set, containerd and podman
pull their preferred runtime via RDEPENDS, causing package conflicts.
Fix by having vruntime distro NOT participate in CONTAINER_PROFILE:
- Set VIRTUAL-RUNTIME_container_runtime="" to prevent automatic
runtime selection
- Explicitly install runc in vdkr-rootfs-image.bb
- Explicitly install crun in vpdmn-rootfs-image.bb
This allows both images to be built in the same multiconfig without
conflicts, while standard container-host images continue to use
CONTAINER_PROFILE normally.
Also add kernel-modules to vdkr-rootfs-image for overlay filesystem
support.
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Fix the bitbake multiconfig commands in rootfs recipe comments.
The multiconfig names are vruntime-aarch64 and vruntime-x86-64,
not vdkr-*/vpdmn-*.
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Add vpdmn - Podman CLI wrapper for cross-architecture container operations:
Scripts:
- vpdmn.sh: Podman CLI entry point (vpdmn-x86_64, vpdmn-aarch64)
- vpdmn-init.sh: Podman init script for QEMU guest
Recipes:
- vpdmn-native: Installs vpdmn CLI wrappers
- vpdmn-rootfs-image: Builds Podman rootfs with crun, netavark, skopeo
- vpdmn-initramfs-create: Creates bootable initramfs blob
The vpdmn CLI provides Podman-compatible commands executed inside a
QEMU-emulated environment. Unlike vdkr, Podman is daemonless which
simplifies the guest init process.
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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