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Move containerd.service from Requires= to Wants= 

Per the systemd.unit documentation:

> If this unit gets activated, the units listed will be activated as well. If one of the other units fails to activate, and an ordering dependency After= on the failing unit is set, this unit will not be started. Besides, with or without specifying After=, this unit will be stopped if one of the other units is explicitly stopped.
>
> Often, it is a better choice to use Wants= instead of Requires= in order to achieve a system that is more robust when dealing with failing services.

This should also be generally "safe" given we added `--containerd=/run/containerd/containerd.sock` to the flags we pass to `dockerd`.

Signed-off-by: Tianon Gravi <admwiggin@gmail.com>
Signed-off-by: Anca Iordache <anca.iordache@docker.com>
This commit is contained in:
Tianon Gravi 2020-12-04 16:45:40 -08:00 committed by Anca Iordache
parent c81abefdb1
commit a985655ac4
1 changed files with 2 additions and 2 deletions
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4
contrib/init/systemd/docker.service
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@ -2,8 +2,8 @@
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target docker.socket firewalld.service containerd.service
Wants=network-online.target
Requires=docker.socket containerd.service
Wants=network-online.target containerd.service
Requires=docker.socket
[Service]
Type=notify