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| kata-irc-bot | <kyusuf> Hi all, could you help me about how can I use kata for create a network interface in docker from vhost-user sock file path? | 21:21 |
|---|---|---|
| kata-irc-bot | <eric.ernst> Hey @kyusuf | 21:22 |
| kata-irc-bot | <eric.ernst> So, today we do some silly magic, but are working how to set this up in a sustainable/scalable way | 21:22 |
| kata-irc-bot | <eric.ernst> What's on the other side of the socket? | 21:23 |
| kata-irc-bot | <kyusuf> Or, how can I pass required qemu parameters to kata | 21:23 |
| kata-irc-bot | <eric.ernst> this dpdk? OVS? VPP? | 21:23 |
| kata-irc-bot | <eric.ernst> other? | 21:23 |
| kata-irc-bot | <kyusuf> Vpp virtualinterface socket file | 21:23 |
| kata-irc-bot | <eric.ernst> cool. | 21:24 |
| kata-irc-bot | <eric.ernst> So, if you 're on docker, we did create a CNM plugin for vpp | 21:24 |
| kata-irc-bot | <eric.ernst> I have a stale documentation PR you can check out : https://github.com/egernst/documentation/blob/6b63590c879c92b9c45524dbe4202fd57d72a5f1/use-cases/using-vpp-and-kata.md | 21:24 |
| kata-irc-bot | <eric.ernst> That assumes you're using a plugin though: see https://github.com/clearcontainers/vpp | 21:25 |
| kata-irc-bot | <eric.ernst> @archana.m.shinde ^ heads up | 21:25 |
| kata-irc-bot | <eric.ernst> s/Clear Containers / Kata Containers in that vpp cnm plugin repo :slightly_smiling_face: | 21:25 |
| kata-irc-bot | <eric.ernst> basically, CNM never tells the runtime much, it just puts it in the namespace for you. | 21:26 |
| kata-irc-bot | <eric.ernst> So, what we do in this scenario is look for a 'dummy interface' | 21:26 |
| kata-irc-bot | <eric.ernst> if we find a dummy interface with a particular ip address, we search for a vhu socket in a particular path. | 21:26 |
| kata-irc-bot | <eric.ernst> and then pass it into qemu. | 21:26 |
| kata-irc-bot | <kyusuf> @eric.ernst I will try it :+1: thanks | 21:26 |
| kata-irc-bot | <eric.ernst> n/m. have fun! | 21:27 |
| kata-irc-bot | <eric.ernst> Location of the logic I just decsribed in the runtime: https://github.com/kata-containers/runtime/blob/4f1519ec646c594821d41a83d793b4e8c41c7d61/virtcontainers/network.go#L1254 | 21:28 |
| kata-irc-bot | <kyusuf> @eric.ernst all the day, I was looking at your codes and tried to understand ;) now I started to understand | 21:32 |
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| kata-irc-bot | <eric.ernst> its.... not very clear what we're doing there. | 21:36 |
| kata-irc-bot | <eric.ernst> its just to get it to work with CNM. | 21:37 |
| kata-irc-bot | <eric.ernst> Getting a more native solution is on the to do list. | 21:37 |
| kata-irc-bot | <kyusuf> I am just wondering that is there any way about passing any required parameter to qemu while using kata-runtime? I mean while using docker run | 21:42 |
| kata-irc-bot | <archana.m.shinde> @kyusuf What kind of parameter are you looking at passing | 21:51 |
| kata-irc-bot | <archana.m.shinde> Right now we have mechanism to just append to the kernel command line | 21:51 |
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| kata-irc-bot | <kyusuf> Such as adding new devices (maybe for SSL accelerators...) , yes in configuration.toml we can decide kernel parameters, cpu, ram | 22:16 |
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| kata-irc-bot | <archana.m.shinde> @kyusuf No we dont support adding parameters to the qemu command line, and we dont intend to | 22:58 |
| kata-irc-bot | <archana.m.shinde> You can pass devices such as accelerators with device passthrough | 22:59 |
| kata-irc-bot | <archana.m.shinde> You can take a look at this : https://github.com/kata-containers/runtime/tree/master/virtcontainers#how-to-pass-a-device-using-vfio-passthrough | 23:00 |
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