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From the configuration file itself: These variables represent groupings of functionality in the CNCF landscape. In particular, they are areas where there is a choice between more than one implementation or an area where abstraction is beneficial. The contents of the variables are are runtime components that recipes may use for RDEPENDS. Build dependencies are not typically flexible, so do not currently have DEPENDS equivalents for the components (i.e. DEPENDS on runc versus crun). Distro features such as kubernetes or other container stacks can be used to set different defaults for these variables. Note: these are "global" values, since they represent choices. If more than of a grouping is required on target, then the variable can be appended or set to multiple values. That being said, Recipes should generally agree on the values, hence the global namespace. Recipe specific choices can still be done, but they risk conflicting on target or causing runtime issues / errors. ## CNCF "components" # engines: docker-ce/docker-moby, virtual-containerd, cri-o, podman VIRTUAL-RUNTIME_container_engine ??= "podman" # runtime: runc, crun, runv, runx VIRTUAL-RUNTIME_container_runtime ??= "virtual-runc" # networking: cni, netavark VIRTUAL-RUNTIME_container_networking ??= "cni" # dns: cni, aardvark-dns VIRTUAL-RUNTIME_container_dns ??= "cni" # orchestration: k8s, k3s VIRTUAL-RUNTIME_container_orchestration ??= "k3s" ## Kubernetes terminology "components" VIRTUAL-RUNTIME_cri ??= "containerd" VIRTUAL-RUNTIME_cni ??= "cni" Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com> |
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| .. | ||
| cni_networking.bbclass | ||
| container-host.bbclass | ||
| image-oci-sloci-image.inc | ||
| image-oci-umoci.inc | ||
| image-oci.bbclass | ||
| meta-virt-cfg.bbclass | ||
| meta-virt-container-cfg.bbclass | ||
| meta-virt-hosts.bbclass | ||
| meta-virt-k8s-cfg.bbclass | ||
| meta-virt-xen-cfg.bbclass | ||
| qemuboot-testimage-network.bbclass | ||
| qemuboot-xen-defaults.bbclass | ||
| qemuboot-xen-dtb.bbclass | ||
| sanity-meta-virt.bbclass | ||