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qa/nvme_loop: fix an issue on ubuntu 18.04

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The following command:

```
echo /dev/sda | tee /sys/kernel/config/nvmet/subsystems/sda/namespaces/1/device_path
```

makes nvme_loop fail because fascinatingly, it adds an unexpected newline.

See:
```
/dev/sda
/dev/sda

1
tee: /sys/kernel/config/nvmet/subsystems/sda/namespaces/1/enable: No such file or directory
/dev/sda
1
```

Other distros don't have the same behavior:

```
CentOS 8
/dev/sda
/dev/sda
1

Ubuntu 20.04
/dev/sda
/dev/sda
1
```

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
This commit is contained in:
Guillaume Abrioux 2022-01-13 22:46:03 +01:00
parent 3c93ffdc92
commit f8e22fb3da
1 changed files with 1 additions and 1 deletions
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2
qa/tasks/nvme_loop.py
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@ -45,7 +45,7 @@ def task(ctx, config):
run.Raw('&&'),
'sudo', 'mkdir', '-p', f'{base}/subsystems/{short}/namespaces/1',
run.Raw('&&'),
'echo', dev, run.Raw('|'),
'echo', '-n', dev, run.Raw('|'),
'sudo', 'tee', f'{base}/subsystems/{short}/namespaces/1/device_path',
run.Raw('&&'),
'echo', '1', run.Raw('|'),