container-host: add lxc profile

conf/distro/include/ shipped fragments for docker, podman, containerd,
incus, k3s, and k3s-node, with the indirection chain

  local.conf : require container-host-${BUILD_PROFILE}.conf
  container-host-FOO.conf : CONTAINER_PROFILE = "FOO"
  meta-virt-container-cfg.bbclass (USER_CLASSES): include
      meta-virt-container-${CONTAINER_PROFILE}.inc
  meta-virt-container-FOO.inc : VIRTUAL-RUNTIME_container_engine ??= "FOO"
  container-image-host.bb : contains_any('VIRTUAL-RUNTIME_container_engine',
      'FOO', 'packagegroup-FOO', '', d)

lxc was not part of that set, even though packagegroup-lxc existed.
Integrators wanting a lxc-flavoured container-image-host had to either
add lxc to CORE_IMAGE_EXTRA_INSTALL by hand or invent their own fragment.
This commit fills in the three missing pieces so lxc becomes a peer of
the existing engines:

  conf/distro/include/container-host-lxc.conf
    User-facing fragment. Sets CONTAINER_PROFILE = "lxc". This is the
    file integrators require from local.conf, same shape as the existing
    container-host-incus.conf.

  conf/distro/include/meta-virt-container-lxc.inc
    Resolved by meta-virt-container-cfg.bbclass from CONTAINER_PROFILE.
    Sets VIRTUAL-RUNTIME_container_engine ??= "lxc" and zeroes the
    OCI-shaped VIRTUAL-RUNTIME_container_runtime / _networking / _dns
    / _orchestration variables (LXC doesn't use any of the OCI engine
    model), matching the incus .inc.

  recipes-extended/images/container-image-host.bb
    Adds the lxc branch to the engine-selection block, alongside the
    existing docker / podman / containerd / incus checks. When
    VIRTUAL-RUNTIME_container_engine is "lxc", IMAGE_INSTALL gets
    packagegroup-lxc, which (with the recipe + packagegroup changes)
    is now lxc + lxc-networking + lxc-templates.

After this change, setting BUILD_PROFILE = "lxc" in local.conf and
building container-image-host produces a guest where lxc-create,
lxc-start, lxc-attach, etc. work against the download template
end-to-end.

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/recipes-extended/images/container-image-host.bb b/recipes-extended/images/container-image-host.bb
index e5a688e5..f3b3085e 100644
--- a/recipes-extended/images/container-image-host.bb
+++ b/recipes-extended/images/container-image-host.bb
@@ -119,6 +119,7 @@ IMAGE_INSTALL = " \
     ${@bb.utils.contains_any('VIRTUAL-RUNTIME_container_engine','podman','packagegroup-podman','',d)}  \
     ${@bb.utils.contains_any('VIRTUAL-RUNTIME_container_engine','containerd','packagegroup-containerd','',d)}  \
     ${@bb.utils.contains_any('VIRTUAL-RUNTIME_container_engine','incus','incus','',d)}  \
+    ${@bb.utils.contains_any('VIRTUAL-RUNTIME_container_engine','lxc','packagegroup-lxc','',d)}  \
     ${@bb.utils.contains('VIRTUAL-RUNTIME_container_networking','cni','packagegroup-cni','',d)}  \
     ${@bb.utils.contains('VIRTUAL-RUNTIME_container_networking','netavark','packagegroup-netavark','',d)}  \
     ${@bb.utils.contains('IMAGE_FEATURES','container-tools','packagegroup-container-tools','',d)}  \