GNU bug report logs - #55936
dockerd fails to start on boot

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From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Luciano Laratelli <luciano <at> laratel.li>
Cc: 55936 <at> debbugs.gnu.org
Subject: bug#55936: dockerd fails to start on boot
Date: Fri, 24 Jun 2022 01:11:57 -0400

Hello,

Luciano Laratelli <luciano <at> laratel.li> writes:

> Hi, hope you are doing well.
>
> I’m running Guix System and am seeing that `dockerd' fails to start on boot due to not being able to find `containerd':
>
> $ sudo tail /var/log/docker.log
> 2022-06-12 18:25:29 time=“2022-06-12T18:25:29.969005384-04:00” level=warning msg=“Error (Unable to complete atomic operation, key modified) deleting object [endpoint 062e6856b7776daf35f1d570dc7e055d3c0f3eefc0f58c5e279eba20035c8e9e eb10082295c7a53d882e36d93a8b5eb20e980a5950c4a67fa03444274448b232], retrying….”
> 2022-06-12 18:25:30 time=“2022-06-12T18:25:30.068910364-04:00” level=info msg=“Removing stale sandbox e35667a7ef1441bced213cf035efc9d6c71a0dce7f8941e3fbb63f5a27265bca (91314e5594f72585f9df121ba16cc8d67c4e1fcb91fc3c7b9b0660aed1b3054a)”
> 2022-06-12 18:25:30 time=“2022-06-12T18:25:30.080685302-04:00” level=warning msg=“Error (Unable to complete atomic operation, key modified) deleting object [endpoint 062e6856b7776daf35f1d570dc7e055d3c0f3eefc0f58c5e279eba20035c8e9e 825f4a6f68b1b81b24b2edc0b382deca116e72a75e6207036f24e18ba6434c81], retrying….”
> 2022-06-12 18:25:30 time=“2022-06-12T18:25:30.143624227-04:00” level=info msg=“Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option –bip can be used to set a preferred IP address”
> 2022-06-12 18:25:31 time=“2022-06-12T18:25:31.400700443-04:00” level=info msg=“Loading containers: done.”
> 2022-06-12 18:25:31 time=“2022-06-12T18:25:31.689183684-04:00” level=info msg=“Docker daemon” commit=v19.03.15 graphdriver(s)=overlay2 version=19.03.15-ce
> 2022-06-12 18:25:31 time=“2022-06-12T18:25:31.691171101-04:00” level=info msg=“Daemon has completed initialization”
> 2022-06-12 18:25:31 time=“2022-06-12T18:25:31.961049886-04:00” level=info msg=“API listen on /var/run/docker.sock”
> 2022-06-12 18:43:43 time=“2022-06-12T18:43:43.503118343-04:00” level=info msg=“Starting up”
> 2022-06-12 18:43:43 failed to start containerd: exec: “containerd”: executable file not found in $PATH

It seems there's a race condition between containerd and docker (the
later starts before the former is done launching and it fails to see it,
aborting, if I understand).  We should see if we can migrate the
dockerd-service-type to use the newly introduced systemd-style
constructor.

Thanks,

Maxim

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