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Stage 1 systemd

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systemd in NixOs's stage 1, replacing the current bash tooling https://github.com/NixOS/nixpkgs/projects/5126 Servers

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31 May 2023
@elvishjerricco:matrix.org@elvishjerricco:matrix.orger, actually, I guess sshd.service isn't wanted by network.target...12:00:36
@elvishjerricco:matrix.org@elvishjerricco:matrix.orgso that wouldn't actually work12:01:09
@gdamjan:spodeli.org@gdamjan:spodeli.orgyou can add that too :)12:01:47
@copadium:matrix.orgCopa Dium
In reply to @elvishjerricco:matrix.org
possibly?
https://hastebin.skyra.pw/itupozaruc.yaml
12:02:25
@elvishjerricco:matrix.org@elvishjerricco:matrix.org ok so there's initrd-fs.target: Triggering OnFailure= dependencies. three different times 12:03:57
@elvishjerricco:matrix.org@elvishjerricco:matrix.org and finally initrd-switch-root.service: Triggering OnFailure= dependencies. once 12:04:09
@elvishjerricco:matrix.org@elvishjerricco:matrix.orgthat's all odd12:04:16
@elvishjerricco:matrix.org@elvishjerricco:matrix.org oh actually zfs-import-rpool.service starts and fails 3 times as well 12:07:56
@elvishjerricco:matrix.org@elvishjerricco:matrix.orgI wonder if this has anything to do with it: https://github.com/NixOS/nixpkgs/pull/22720812:14:55
@elvishjerricco:matrix.org@elvishjerricco:matrix.orgbleh; still extremely sleepy. I need to like... actually wake up before I start messing with this any more12:17:43
@oddlama:matrix.orgoddlamaIs there a way to inject udev rules into the initrd? I have some interfaces that I usually rename in stage2, but apparently the rules are not applied if the interface is already configured in stage120:06:29
@elvishjerricco:matrix.org@elvishjerricco:matrix.org

Ok so the zfs import service appears not to be ordered after cryptsetup.target. Then, when it fails, initrd-fs.target fails and local-fs.target is finally reached, and two things happen simultaneously: 1) initrd-parse-etc.service starts, which reloads the daemon and starts initrd-fs.target again, and 2) emergency mode is entered. So now that initrd-fs.target is starting again, the zfs import service starts one more time, and again will fail when you timeout. After the second failure, initrd.target is reached, and it attempts to move on to initrd-cleanup.service, which isolates initrd-switch-root.target. This kills the emergency mode. Finally, initrd-swithc-root.service fails, re-entering emergency mode.

Two unexplained things. 1) Why does Copa Dium's log have three attempts at zfs-import-${pool}.service, when I only have two in my test? 2) In my test, there's an additional, third attempt to mount the root fs because initrd-switch-root.service depends on initrd-fs.target, but for some reason this doesn't start zfs-import-${pool}.service a third time.

21:59:18
@elvishjerricco:matrix.org@elvishjerricco:matrix.org anyway, I think we just need to add after = ["cryptsetup.target"];, which I could swear we already had :P 22:00:07
@elvishjerricco:matrix.org@elvishjerricco:matrix.organd yea, that does appear to fix it22:06:39
@elvishjerricco:matrix.org@elvishjerricco:matrix.orgnow testing what happens when you let it time out with ext4 instead of zfs22:06:54
@elvishjerricco:matrix.org@elvishjerricco:matrix.org I think zfs no longer has a timeout problem because of the ordering Before=sysroot.mount 22:07:11
@elvishjerricco:matrix.org@elvishjerricco:matrix.org which means sysroot.mount is never started, and it never starts counting time 22:07:27
@elvishjerricco:matrix.org@elvishjerricco:matrix.org meanwhile with ext4, sysroot.mount is started, and the cryptsetup service is waiting in the background? 22:07:53
@elvishjerricco:matrix.org@elvishjerricco:matrix.orghm nevermind; testing with ext4, it does not appear to be timing out for me?22:09:13
@copadium:matrix.orgCopa Dium

Why does Copa Dium's log have three attempts at zfs-import-${pool}.service
Maybe because I sshed into it to read the logs?

22:09:25
@copadium:matrix.orgCopa Dium *

Why does Copa Dium's log have three attempts at zfs-import-${pool}.service

Maybe because I sshed into it to read the logs?

22:09:30
@elvishjerricco:matrix.org@elvishjerricco:matrix.orgI wouldn't expect that to cause that...22:09:40
@elvishjerricco:matrix.org@elvishjerricco:matrix.orgbut maybe?22:09:42
@elvishjerricco:matrix.org@elvishjerricco:matrix.org
In reply to @oddlama:matrix.org
Is there a way to inject udev rules into the initrd? I have some interfaces that I usually rename in stage2, but apparently the rules are not applied if the interface is already configured in stage1
oh, oddlama: boot.initrd.services.udev.rules
22:10:18
@oddlama:matrix.orgoddlama
In reply to @oddlama:matrix.org
Is there a way to inject udev rules into the initrd? I have some interfaces that I usually rename in stage2, but apparently the rules are not applied if the interface is already configured in stage1
Got that sorted out. Turned out to be boot.initrd.services.udev.packages which I initially dismissed because there was no systemd in the name
22:10:19
@oddlama:matrix.orgoddlamaLol same time xD Thanks tho22:10:37
@oddlama:matrix.orgoddlamaA bit weird is that it wasn't necessary to include interface renaming rules in the non-systemd initrd22:11:12

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