Failed to update container

[hongbin]

Reproducing steps:

$ CONTAINER_ID=$(openstack appcontainer run -c uuid -f value nginx)
$ openstack appcontainer set --memory 100 $CONTAINER_ID
Internal Server Error (HTTP 500) (Request-ID: req-9cfb7677-e6e5-4db6-97d3-0c8a2b5350c0)

Here is the logs:

4fda1c0f-0ba2-48a0-bf11-908931bafd4c:unsupported operand type(s) for -: 'unicode' and 'unicode': TypeError: unsupported operand type(s) for -: 'unicode' and 'unicode'
Sep 21 02:09:12 ip-172-31-1-38 <email address hidden>[22365]: 2018-09-21 02:09:12.825 22370 ERROR zun.common.exception Traceback (most recent call last):
Sep 21 02:09:12 ip-172-31-1-38 <email address hidden>[22365]: 2018-09-21 02:09:12.825 22370 ERROR zun.common.exception File "/opt/stack/zun/zun/common/exception.py", line 110, in wrapped
Sep 21 02:09:12 ip-172-31-1-38 <email address hidden>[22365]: 2018-09-21 02:09:12.825 22370 ERROR zun.common.exception return func(*args, **kwargs)
Sep 21 02:09:12 ip-172-31-1-38 <email address hidden>[22365]: 2018-09-21 02:09:12.825 22370 ERROR zun.common.exception File "/opt/stack/zun/zun/api/validation/__init__.py", line 33, in wrapper
Sep 21 02:09:12 ip-172-31-1-38 <email address hidden>[22365]: 2018-09-21 02:09:12.825 22370 ERROR zun.common.exception return func(*args, **kwargs)
Sep 21 02:09:12 ip-172-31-1-38 <email address hidden>[22365]: 2018-09-21 02:09:12.825 22370 ERROR zun.common.exception File "/opt/stack/zun/zun/api/controllers/v1/containers.py", line 689, in patch
Sep 21 02:09:12 ip-172-31-1-38 <email address hidden>[22365]: 2018-09-21 02:09:12.825 22370 ERROR zun.common.exception container_deltas['memory'] = patch['memory'] - container.memory
Sep 21 02:09:12 ip-172-31-1-38 <email address hidden>[22365]: 2018-09-21 02:09:12.825 22370 ERROR zun.common.exception TypeError: unsupported operand type(s) for -: 'unicode' and 'unicode'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/604247

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/604247
Committed: https://git.openstack.org/cgit/openstack/zun/commit/?id=78d56ee8f853403523acf7552eac7e119b962e69
Submitter: Zuul
Branch: master

commit 78d56ee8f853403523acf7552eac7e119b962e69
Author: Hongbin Lu <email address hidden>
Date: Fri Sep 21 02:29:54 2018 +0000

    Fix an issue on container update

    Convert memory from string to int before doing the substraction.

    Change-Id: I8056c74c1d22dcdba2da858ed4a8784a9a3b0685
    Closes-Bug: #1793625

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/zun 3.0.0.0rc1 release candidate.