bug#38432: dockerd is not started automatically

[Danny Milosavljevic]

Hi Maxim,

On Sun, 31 May 2020 23:27:30 -0400
Maxim Cournoyer <maxim.cournoyer@gmail.com> wrote:

> time="2020-05-31T22:28:15.885343166-04:00" level=warning msg="failed to load 
> plugin io.containerd.snapshotter.v1.aufs" error="modprobe aufs failed: 
> "modprobe: FATAL: Module aufs not found in directory 
> /lib/modules/5.4.43-gnu\n": exit status 1" 

We don't have aufs, but it's not mandatory anyway.

> The only new lines to appear in docker.log following my last reboot are:
> 
> --8<---------------cut here---------------start------------->8---
> time="2020-05-31T22:28:13.579626539-04:00" level=info msg="Starting up"
> failed to start containerd: exec: "containerd": executable file not found in 
> $PATH
> --8<---------------cut here---------------end--------------->8---
> 
> So, it seems the failure is related to kernel modules not being found
> where they are looked for?

I don't think so this time, at least according to these logs.

Could it be that containerd takes too long to start up or something?  And then 
it
tries to start it on its own?

To find out, try adding sleep to gnu/services/docker.scm docker-shepherd-service
before make-forkexec-constructor, to make it read

 #~(begin
     (sleep 2)
     (make-forkexec-constructor ....

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