Krunvm – Create MicroVMs from OCI Images

Re:Krunvm – Create MicroVMs from OCI Images by polskibus on Tuesday August 16, 2022 @01:43AM (#32479557)

Is this something like Firecracker ?

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Re:Krunvm – Create MicroVMs from OCI Images by kungfufrog on Tuesday August 16, 2022 @02:04AM (#32479658)

It runs on top of https://github.com/containers/libkrun. Similar to Firecracker but seems specifically targeted to making microVMs out of OCI containers (via CLI) as opposed to Firecracker which uses a downloaded kernel and rootfs and is managed via API ala https://github.com/firecracker-microvm/firecracker/blob/main....

But I'm no expert, just my armchair take on things.

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Re:Krunvm – Create MicroVMs from OCI Images by debarshri on Tuesday August 16, 2022 @04:12AM (#32480424)

If it is OCI compatible, it technically means you could use kubernetes or another container orchestrator to orchestrate these microvms. I wonder krunvm already works with kubernetes.

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Re:Krunvm – Create MicroVMs from OCI Images by mcronce on Tuesday August 16, 2022 @09:01AM (#32482194)

If I'm understanding correctly, it's OCI compatible in the other direction - it consumes OCI compatible images, but it doesn't expose an OCI compatible layer on top for orchestration.

kube-virt[1] is a thing, though, that provides k8s orchestration for VMs. I don't see why you couldn't use krunvm microvms with that

[1] https://github.com/kubevirt/kubevirt

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Re:Krunvm – Create MicroVMs from OCI Images by Strum355 on Tuesday August 16, 2022 @02:49AM (#32479904)

Probably more like `weaveworks/ignite`, which creates firecracker microvms from OCI images

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