Bad disk configuration when it's an NVMe disk

[Erickson Silva de Oliveira]

Brief Description
-----------------
The issue was not confirmed on hardware, but it most likely exists based on inspection of the code. The current version of partition_info.sh was run from a shell on a previously installed system with NVMe drivers and has runtime errors.

Introduced by
https://review.opendev.org/c/starlingx/config/+/864801
https://review.opendev.org/c/starlingx/config/+/866815

Severity
--------
Critical

Steps to Reproduce
------------------
Run the script passing the disk path.
e.g.: ./partition_info.sh /dev/disk/by-path/pci-0000:b2:05.5-pci-10000:01:00.0-nvme-1

Expected Behavior
------------------
Should work

Actual Behavior
----------------
Fails

Reproducibility
---------------
100%

Branch/Pull Time/Commit
-----------------------
Dec 6 2022

Timestamp/Logs
--------------
$ sudo ./partition_info.sh /dev/disk/by-path/pci-0000:02:00.0-nvme-1
./partition_info.sh: line 55: * 512 / (1024*1024): syntax error: operand expected (error token is "* 512 / (1024*1024)")

Workaround
----------
None

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/starlingx/config/+/866941

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/starlingx/config/+/866941
Committed: https://opendev.org/starlingx/config/commit/611d89efb346a05a38c882344103f262f353500d
Submitter: "Zuul (22348)"
Branch: master

commit 611d89efb346a05a38c882344103f262f353500d
Author: Erickson Silva de Oliveira <email address hidden>
Date: Wed Dec 7 22:08:30 2022 +0000

    Fix the partition_info.sh script

    The issue was not confirmed on hardware, but it most likely exists
    based on inspection of the code. The current version of partition_info.sh
    was run from a shell on a system with NVMe drivers and has runtime errors.

    The problem was introduced by:
    https://review.opendev.org/c/starlingx/config/+/864801
    https://review.opendev.org/c/starlingx/config/+/866815

    Test Plan:
     ./partition_info.sh /dev/disk/by-path/pci-0000:02:00.0-nvme-1

    Closes-Bug: 1999088

    Signed-off-by: Erickson Silva de Oliveira <email address hidden>
    Change-Id: Ie7c2b4d9474090c9ce33ce37687346d005297f97