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| kata-dev-irc-bot | <samuel.ortiz> @laijs Thanks for the analysis on https://github.com/kata-containers/runtime/issues/46 | 08:30 |
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| kata-dev-irc-bot | <samuel.ortiz> @laijs I'll reply to it today. | 08:30 |
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| kata-dev-irc-bot | <samuel.ortiz> @bergwolf Hey | 11:06 |
| kata-dev-irc-bot | <bergwolf> hi @samuel.ortiz just saw it | 11:20 |
| kata-dev-irc-bot | <samuel.ortiz> @bergwolf Hey. I'm trying to understand the Frakti/runv code path that currently calls AddStorage(). Do you have a pointer showing where that's being called? | 11:21 |
| kata-dev-irc-bot | <bergwolf> it's called here https://github.com/hyperhq/hyperd/blob/master/daemon/pod/volume.go#L66 | 11:23 |
| kata-dev-irc-bot | <samuel.ortiz> @bergwolf I'd just like to understand how the CRI mounts get translated into the frakti storage structures... | 11:23 |
| kata-dev-irc-bot | <bergwolf> oh, that's in frakti then | 11:24 |
| kata-dev-irc-bot | <samuel.ortiz> Yes, and eventually falls down to hyperd I guess. | 11:24 |
| kata-dev-irc-bot | <samuel.ortiz> Also, if you could point me to where the volume.add() gets called, I'd appreciate. | 11:25 |
| kata-dev-irc-bot | <samuel.ortiz> gtg for lunch, I'll read your replies in an hour. Thanks in advance. | 11:26 |
| kata-dev-irc-bot | <bergwolf> here it is https://github.com/kubernetes/frakti/blob/master/pkg/hyper/container.go#L165 | 11:27 |
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| kata-dev-irc-bot | <bergwolf> volume.add() is called by hyperd here: https://github.com/hyperhq/hyperd/blob/master/daemon/pod/provision.go#L441 | 11:28 |
| kata-dev-irc-bot | <bergwolf> the idea is to prepare volumes/nics/rootfs in parallel | 11:30 |
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| kata-dev-irc-bot | <samuel.ortiz> @bergwolf Still around? | 16:18 |
| kata-dev-irc-bot | <bergwolf> yup | 16:18 |
| kata-dev-irc-bot | <samuel.ortiz> Let me try to understand: You guys do 2 things in parallel: start the VM and then in parallel: add storage to the vm, prepare the container rootfs on the host and hotplug it in the VM? | 16:20 |
| kata-dev-irc-bot | <bergwolf> yes | 16:21 |
| kata-dev-irc-bot | <bergwolf> and nics are added in parallel as well | 16:22 |
| kata-dev-irc-bot | <samuel.ortiz> So if starting the VM would include adding storage and NICs to it in parallel, you could start the VM and prepare the rootfs on the host in parallel as well, right ? | 16:23 |
| kata-dev-irc-bot | <bergwolf> that is different. In CRI, CreateContainer() is separate from RunPodSandbox() so there is no way to know which rootfs/volume/nics to prepare when starting them VM. | 16:25 |
| kata-dev-irc-bot | <bergwolf> And there can be more than one CreateContainer() | 16:25 |
| kata-dev-irc-bot | <samuel.ortiz> Then add storage and nics to CreateContainer(), in parallel, as well? | 16:25 |
| kata-dev-irc-bot | <bergwolf> The flow is, we get CRI `CreateContainer()`, then we need to 1. prepare the rootfs and hotplug it 2. prepare the volume and hotplug it 3. prepare the nics and hotplug it 4. call `sandbox.CreateContainer` We want to parallel 1/2/3 and then do 4. what sequence are you suggesting? | 16:28 |
| kata-dev-irc-bot | <bergwolf> If we do not export hotplug API, we have to wait in 1, and then call `sandbox.CreateContainer` which would internally do 2/3, wait, and then create the container. So it's 1 waiting vs. 2 waitings. | 16:30 |
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| kata-dev-irc-bot | <bergwolf> I gotta sleep. ttyl | 16:42 |
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