Thursday, 2019-05-16

kata-irc-bot2<eric.ernst> hey reviewer folk: I need some ACKs on https://github.com/search?q=is%3Aopen+is%3Apr+org%3Akata-containers+1.7.000:49
kata-irc-bot2<eric.ernst> @manohar.r.castelino @archana.m.shinde ^^00:49
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stefanha@eric.ernst I have published a more complete version of the virtiofsd security guide here: https://gitlab.com/virtio-fs/qemu/merge_requests/6/diffs?commit_id=718c71fa44f6b92ac27558c903d27935236b08ef14:44
stefanha@eric.ernst Would you like me to update the "RFC: virtio-fs usage for Kata" Google doc based on this info?14:45
kata-irc-bot2<eric.ernst> Hey @stefanha -- I can pull info from there.15:09
kata-irc-bot2<eric.ernst> I want to merge into our documentation repo.15:09
kata-irc-bot2<eric.ernst> This is what I have right now, as a "quick get started" : https://github.com/kata-containers/documentation/blob/master/how-to/how-to-use-virtio-fs-with-kata.md15:09
kata-irc-bot2<eric.ernst> I think that our architecture documents should include this next level of detail on virtio-fs and virtiofsd15:10
stefanhaeric.ernst: Great, I reviewed how-to-use-virtio-fs-with-kata.md earlier today.  It looks good.  I will update the virtio-fs website to link there and archive the old Kata HowTo.15:14
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kata-irc-bot2<eric.ernst> thanks.15:21
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kata-irc-bot2<gmmaharaj> @gabriela.cervantes.te 1.14.1 release of cri-o is out.. in case you want to move the tree up from the sha we are on right now.18:31
kata-irc-bot2<gabriela.cervantes.te> @gmmaharaj, ok I will test it to see that we do not break thanks18:33
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kata-irc-bot2<salvador.fuentes> @eric.ernst @gmmaharaj I was running the docker tests with virtio-fs and see some strange failure, seems like network is broken when hugepages are configured (curls and apt/dnf does not work). Have you seen this?20:27
kata-irc-bot2<gmmaharaj> @salvador.fuentes no, it should work with virtio-fs.20:37
kata-irc-bot2<gmmaharaj> are you on ubuntu ? the host machine?20:37
kata-irc-bot2<gmmaharaj> are you able to do network access using runc?20:37
kata-irc-bot2<salvador.fuentes> yeah, using ubuntu... not an issue with virtio-fs, I can also reproduce the issue using 9p with hugepages20:44
kata-irc-bot2<salvador.fuentes> so seems like culprit is hugepages, when I turn them off the network works ok20:44
kata-irc-bot2<gmmaharaj> let me create a new Vm to test this out.20:46
kata-irc-bot2<gmmaharaj> @salvador.fuentes did you install it using kata-deploy? can i do that?20:46
kata-irc-bot2<salvador.fuentes> @gmmaharaj thanks, no, I did it using my CI script, the one on PR: https://github.com/kata-containers/tests/pull/153720:47
kata-irc-bot2<gmmaharaj> perfect. let me do the same.20:47
kata-irc-bot2<salvador.fuentes> thanks20:47
kata-irc-bot2<gmmaharaj> hehe. thank me once i verify it. ;)20:48
kata-irc-bot2<salvador.fuentes> also, I am not sure if this could also be because nemu... will try with qemu20:48
kata-irc-bot2<gmmaharaj> @salvador.fuentes if i run `.ci/setup.sh` followed by `.ci/install_nemu.sh` i should all the things i need right?20:51
kata-irc-bot2<salvador.fuentes> please checkout to pr 1537 and export VIRTIO_FS=true, KATA_HYPERVISOR=nemu20:52
kata-irc-bot2<salvador.fuentes> @gmmaharaj ^20:52
kata-irc-bot2<gmmaharaj> aha!! gotcha20:52
kata-irc-bot2<gmmaharaj> @gabriela.cervantes.te quick Q about footloose.. what happens if you do `kubectl delete -f $config_map.yaml`20:59
kata-irc-bot2<gmmaharaj> does that also hang?20:59
kata-irc-bot2<salvador.fuentes> @gmmaharaj I changed to use qemu-lite and that works correctly, so seems like an issue of nemu+hugepages21:01
kata-irc-bot2<gmmaharaj> hrm.. i have been doing nemu+hugepages+virtio-fs and i didn't see this issue before. Now that i re-collect, i saw it once, but when i re-created that on another system it didnt' happen.21:02
kata-irc-bot2<gmmaharaj> i wonder if it is a transient issue which only shows up under some conditions. I am creating that machien now. let me check again21:02
kata-irc-bot2<salvador.fuentes> ok, yeah, lets wait and see if you can reproduce it :slightly_smiling_face:21:03
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kata-irc-bot2<gmmaharaj> @salvador.fuentes yeah, seems i am not able to access network either.21:31
kata-irc-bot2<gmmaharaj> :(21:31
kata-irc-bot2Action: gmmaharaj wonders what is happening.21:31
kata-irc-bot2Action: gmmaharaj goes to try a disto other than ubuntu21:31
kata-irc-bot2<salvador.fuentes> yeah :( weird situation... I'm opening an issue, so people is aware, but I couldn't find any failure in the logs21:32
kata-irc-bot2<gmmaharaj> yeah, same here. nothing is obvious.21:34
kata-irc-bot2<gmmaharaj> @eric.ernst started creating static nemu binaries. Would be good to try them out!21:34
kata-irc-bot2<eric.ernst> Yeah. I’m ready to GitHub action it.21:35
kata-irc-bot2<gmmaharaj> wohhhoo!!!21:35
kata-irc-bot2<gmmaharaj> maybe we should our CI to start using that21:35
kata-irc-bot2<salvador.fuentes> ok, let me try them21:35
kata-irc-bot2<salvador.fuentes> the only issue I see by using our own nemu static binaries is that we won't know easily if new nemu releases will work with kata21:36
kata-irc-bot2<gmmaharaj> that's a fair point.21:37
kata-irc-bot2<gmmaharaj> i wonder what we can do there.21:37
kata-irc-bot2<salvador.fuentes> opened https://github.com/kata-containers/runtime/issues/1698 to track this, cc'ed Robert Bradford, maybe he can give us a clue of what might be wroing21:39
kata-irc-bot2<eric.ernst> This happens 100% the time?21:40
kata-irc-bot2<gmmaharaj> definitely on the new bionic VM i created.21:40
kata-irc-bot2<gmmaharaj> i was able to get network access using runc.21:40
kata-irc-bot2<gmmaharaj> let me do one mroe thin21:40
kata-irc-bot2<gmmaharaj> i suspect we are missing other qemu bits that we will need that do not come with the way we install nemu.21:41
kata-irc-bot2<salvador.fuentes> yeah 100% of the time21:43
kata-irc-bot2<gmmaharaj> yeah, 100% of the time now.21:45
kata-irc-bot2<gmmaharaj> i am curious how it worked before. or what changed between the patches landing and now in the tree21:46
kata-irc-bot2<salvador.fuentes> yeah, I have also seen other issues when running capabilities tests because missing bits from qemu I think21:46
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kata-irc-bot2<salvador.fuentes> need to commute, will be back later21:47
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kata-irc-bot2<gmmaharaj> @eric.ernst @salvador.fuentes testing something. give me abit and let me confirm.23:51

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