passes K8S_POD_TENANT and extra cni-args to cni plugin#1
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h-w-chen merged 1 commit intoarktos-intfrom Jun 17, 2020
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yb01
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Jun 16, 2020
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LGTM |
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What type of PR is this?
/kind feature
What this PR does / why we need it:
containerd is to be extended to pass pod tenant and key-value pairs in cni-args annotation to cni plugin in form of CNI_ARGS.
containerd, as one of the container runtimes used by Arktos, passes very limited information down to cni plugins. Based on arktos networking design proposal, cni plugin expects CNI_ARGS to have K8S_POD_TENANT and optional key-value pairs as specified by pod cni-args annotation. Containerd is extended to recognize addition of "tenant" field in arktos CRI extension, and ensure the proper args being passed on to CNI as CNI_ARGS.
The extension/customization of containerd include only the new tenant field of PodSandboxMetadata. Any other Arktos CRI extensions not in the scope.
This is part of Arktos support for multi-tenancy multi-network.