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Warning messages are printed and ignored if we use an unsupported option

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When an unsupported limit on cgroups V1 rootless systems
is requested, podman prints an warning message and
ignores the option/flag.

```
  Target options/flags:
    --cpu-period, --cpu-quota, --cpu-rt-period, --cpu-rt-runtime,
    --cpus, --cpu-shares, --cpuset-cpus, --cpuset-mems, --memory,
    --memory-reservation, --memory-swap, --memory-swappiness,
    --blkio-weight, --device-read-bps, --device-write-bps,
    --device-read-iops, --device-write-iops, --blkio-weight-device
```

Related to https://github.com/containers/podman/discussions/10152

Signed-off-by: Toshiki Sonoda <sonoda.toshiki@fujitsu.com>
This commit is contained in:
Toshiki Sonoda
2022-08-23 11:54:31 +09:00
parent 51d4b88ce9
commit 64339d47c1
18 changed files with 78 additions and 4 deletions
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docs/source/markdown/options/cpu-quota.md
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@ -10,3 +10,5 @@ ends (controllable via **--cpu-period**).
On some systems, changing the resource limits may not be allowed for non-root
users. For more details, see
https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
This option is not supported on cgroups V1 rootless systems.