Monday, 2022-01-31

kata-irc-bot<fidencio> @wmoschet, haven't you worked on this before? https://github.com/kata-containers/kata-containers/pull/356519:20
kata-irc-bot<fidencio> James did: https://github.com/kata-containers/tests/pull/414419:25
kata-irc-bot<simon.kaegi> I'm wondering if anyone has thoughts on if and when to adopt the rust version of virtiofsd... Also does anyone know if it supports the same set of `-o` options as the c version?19:58
kata-irc-bot<wmoschet> @fidencio I opened the issue and @james.o.hunt worked on the implementation. IMO makes no sense to check revert patches20:01
kata-irc-bot<fidencio> Hey @simon.kaegi, there's been some discussions going back and forth on implementing all the `-o` options as the C version20:36
kata-irc-bot<fidencio> The last released binary didn't support, for instance, options that were hardcoded into kata-containers20:37
kata-irc-bot<fidencio> I think v1.1.0 should be good to go, but it's a matter of actually testing it.20:38
kata-irc-bot<simon.kaegi> fwiw we use -- `virtio_fs_extra_args = ["--thread-pool-size=1", "-o", "xattr", "-o", "modcaps=+sys_admin", "-o", "allow_direct_io", "--rlimit-nofile=524288"]`20:38
kata-irc-bot<fidencio> Gimme a few minutes and let me check it here20:39
kata-irc-bot<simon.kaegi> without the `-o xattr -o modcaps=+sys_admin` we can't run overlayfs which is important to us20:39
kata-irc-bot<simon.kaegi> the other we can live without20:40
kata-irc-bot<simon.kaegi> Thanks @fidencio -- I'll try it out too.20:41
kata-irc-bot<fidencio> Okay, kinda good news / bad news.20:52
kata-irc-bot<fidencio> You may need to rewrite that line, but I don't that's a big deal20:55
kata-irc-bot<fidencio> @simon.kaegi, okay,  passing`-o modcaps=+sys_admin`  makes everything explode20:59
kata-irc-bot<fidencio> @simon.kaegi, @gmaglion is one of the folks working on adding backwards compat, so he may be able to implement that in no time, as he did with other missing bits & pieces.21:00
kata-irc-bot<simon.kaegi> ok I'll test with our set-up and report back21:11

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