linux/meta-virtualization.git/recipes-extended/images, branch master

oci-multiarch: fix MC defaults, deploy dependency, and OCI layout

2026-05-10T13:58:10+00:00

Three issues prevented oci-multiarch.bbclass from producing usable multi-architecture container images: 1. MC defaults pointed to vruntime-* multiconfigs, whose BBMASK blocks OCI tooling. Changed to container-* multiconfigs which use the new vcontainer distro without BBMASK. 2. mcdepends targeted do_image_oci, but the OCI output is only deployed to deploy/images/ by the later do_image_complete task. The bbclass then failed to find the OCI directory at the expected deploy path. The original implementation assumed do_image_oci was the final step, but OE-core's image pipeline has a separate deploy phase. 3. The OCI Image Index was written directly into index.json with multiple manifest entries. This is valid per the OCI spec but skopeo requires index.json to reference a single entry when there are multiple images. The fix writes the multi-platform image index as a blob in blobs/sha256/ and has index.json reference it with a single entry of mediaType application/vnd.oci.image.index.v1+json. This nested layout is what tools like buildah and crane produce for multi-arch images, and is required for 'skopeo copy --all' to work. Also adds container-base-multiarch.bb recipe that wires up container-base for aarch64 + x86_64 builds via the oci-multiarch class. Signed-off-by: Bruce Ashfield

incus: add container host profile

2026-04-09T03:32:12+00:00

Add CONTAINER_PROFILE=incus support so incus can be selected as the container engine for container-image-host: require conf/distro/include/container-host-incus.conf MACHINE = "qemux86-64" bitbake container-image-host Signed-off-by: Bruce Ashfield

container-registry: use FEATURE_PACKAGES for IMAGE_FEATURES validation

2026-03-12T19:18:50+00:00

Move FEATURE_PACKAGES_container-registry from container-image-host.bb to meta-virt-container.inc so it is available to all image recipes. image.bbclass check_image_features() auto-discovers FEATURE_PACKAGES_* variables as valid image features (line 72), so defining the variable globally is sufficient — no IMAGE_FEATURES[validitems] needed. This avoids the signature pollution that IMAGE_FEATURES[validitems] causes when set globally, while allowing container-registry to be used as an IMAGE_FEATURES value in any image recipe. Signed-off-by: Bruce Ashfield

xen: update documentation with vxn/containerd integration and runtime tests

2026-02-26T01:05:02+00:00

README-xen.md: - Add vxn and containerd integration section describing all execution paths (containerd, vxn standalone, vdkr/vpdmn, native Docker/Podman) - Add memory requirements section explaining QB_MEM_VALUE=1024 is insufficient for vxn/vctr and documenting qemuparams="-m 4096" - Add runtime tests section with build prerequisites, test commands, and skip behavior - Fix x86-64 runqemu command to include qemuparams="-m 4096" vxn/README.md: - Add testing section referencing the pytest runtime test suite Signed-off-by: Bruce Ashfield

xen: add configuration tests and update documentation

2026-02-26T01:05:01+00:00

Add TestXenImageMinimalX86Config test class verifying: - QB_CPU_KVM host passthrough for Xen CPUID filtering - QB_MEM_VALUE override (not QB_MEM which can't override bbclass) - dom0_mem in both QB_XEN_CMDLINE_EXTRA and WKS syslinux config - vgabios SAVANNAH_GNU_MIRROR usage Update Alpine recipe tests for per-arch checksums (name=${ALPINE_ARCH}) and S variable. Add qemux86-64 build and boot section to README-xen.md. Signed-off-by: Bruce Ashfield

xen: fix x86-64 boot and guest bundling issues

2026-02-26T01:05:01+00:00

Fix several issues found during x86-64 Xen testing: - xen-image-minimal: use -cpu host for KVM to avoid Xen CPUID filtering stripping AVX/AVX2 from x86-64-v3 builds, causing illegal instruction crashes in Dom0 - xen-image-minimal: use QB_MEM_VALUE (not QB_MEM) to properly override the hard assignment in qemuboot-xen-defaults.bbclass - xen-image-minimal: set dom0_mem=512M via QB_XEN_CMDLINE_EXTRA - qemuboot-xen-x86-64.cfg: add dom0_mem=512M to static syslinux config so guest autostart has memory available - vgabios: use ${SAVANNAH_GNU_MIRROR} for reliable downloads - alpine-xen-guest-bundle: add per-architecture checksums for aarch64 and x86_64 tarballs, fix S variable warning Signed-off-by: Bruce Ashfield

xen: add guest bundling infrastructure with cross-install class

2026-02-26T01:05:01+00:00

Add xen-guest-cross-install.bbclass for bundling Xen guest images into Dom0 host images at build time. Supports per-guest configuration via varflags (memory, vcpus, vif, kernel extra), custom config files, external/pre-built guests, and autostart via /etc/xen/auto/ symlinks. Also add example-xen-guest-bundle recipe as a template, and simplify xen-guest-image-minimal by removing the old XEN_GUEST_AUTO_BUNDLE do_deploy mechanism in favor of the new class-based approach. Signed-off-by: Bruce Ashfield

vxn: add containerd OCI runtime integration

2026-02-26T01:05:01+00:00

Add shell-based OCI runtime (vxn-oci-runtime) that enables containerd to manage Xen DomU containers through the standard runc shim. Non-terminal container output flows back to ctr via the shim's pipe mechanism. New files: - vxn-oci-runtime: OCI runtime (create/start/state/kill/delete/features/logs) - vxn-sendtty.c: SCM_RIGHTS helper for terminal mode PTY passing - containerd-shim-vxn-v2: PATH trick wrapper for runc shim coexistence - containerd-config-vxn.toml: CRI config (vxn default, runc fallback) - vctr: convenience wrapper injecting --runtime io.containerd.vxn.v2 Key design: - Monitor subprocess uses wait on xl console (not sleep-polling) for instant reaction when domain dies, then extracts output markers and writes to stdout (shim pipe -> containerd FIFO -> ctr client) - cmd_state checks monitor PID liveness (not domain status) to prevent premature cleanup race that killed monitor before output - cmd_delete always destroys remnant domains (no --force needed) - Coexists with runc: /usr/libexec/vxn/shim/runc symlink + PATH trick Verified: vctr run --rm, vctr run -d, vxn standalone, vxn daemon mode. Signed-off-by: Bruce Ashfield

xen: document guest import system and add tests

2026-02-26T01:05:01+00:00

Add 3rd-party guest import section to README-xen.md covering import types, kernel modes, Alpine example, and how to add custom import handlers. Add test_xen_guest_bundle.py with 46 pytest tests covering bbclass structure, import handlers, kernel modes, license warning, Alpine recipe, and README content. Signed-off-by: Bruce Ashfield

container-yocto-builder: add Yocto build container with systemd

2026-02-10T21:04:20+00:00

Multi-layer OCI container image that can compile the Yocto Project. Three layers: systemd-base, build-tools, yocto-extras. Features CROPS-style dynamic user creation matching /workdir volume owner UID/GID. Signed-off-by: Bruce Ashfield