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Hi Radomir,

Thank you for your response. I cannot find any related exception on
error.log. When I enable debugging on horizon, I think the following debug
logs are related. As suggested by you, I will report this bug to Launchpad.

[Wed Oct 21 17:48:06.123807 2020] [wsgi:error] [pid 3095280:tid
140002354386688] [remote 192.168.202.12:60886] DEBUG neutronclient.client
GET call to neutron for http://10.7.55.18:9696/v2.0/extensions used request
id req-95db8d1f-387b-492b-aff6-8238f09e504d
[Wed Oct 21 17:48:06.125925 2020] [wsgi:error] [pid 3095280:tid
140002354386688] [remote 192.168.202.12:60886] DEBUG django.template
Exception while resolving variable 'add_to_field' in template
'horizon/common/_workflow.html'.
[Wed Oct 21 17:48:06.126064 2020] [wsgi:error] [pid 3095280:tid
140002354386688] [remote 192.168.202.12:60886]
django.template.base.VariableDoesNotExist: Failed lookup for key
[add_to_field] in [{'True': True, 'False': False, 'None': None},
{'csrf_token': <SimpleLazyObject: <function csrf.<locals>._get_val at
0x7f54c8e30f70>>, 'LANGUAGES': (('cs', 'Czech'), ('de', 'German'), ('en',
'English'), ('en-au', 'Australian English'), ('en-gb', 'British English'),
('eo', 'Esperanto'), ('es', 'Spanish'), ('fr', 'French'), ('id',
'Indonesian'), ('it', 'Italian'), ('ja', 'Japanese'), ('ko', 'Korean
(Korea)'), ('pl', 'Polish'), ('pt-br', 'Portuguese (Brazil)'), ('ru',
'Russian'), ('tr', 'Turkish'), ('zh-cn', 'Simplified Chinese'), ('zh-tw',
'Chinese (Taiwan)')), 'LANGUAGE_CODE': 'en', 'LANGUAGE_BIDI': False,
'request': <WSGIRequest: GET
'/horizon/admin/networks/91f04dfb-7f69-4050-8b3b-142ee555ae55/ports/create'>,
'MEDIA_URL': '/horizon/media/', 'STATIC_URL': '/horizon/static/',
'messages': <django.contrib.messages.storage.fallback.FallbackStorage
object at 0x7f54c90ef760>, 'DEFAULT_MESSAGE_LEVELS': {'DEBUG': 10, 'INFO':
20, 'SUCCESS': 25, 'WARNING': 30, 'ERROR': 40}, 'HORIZON_CONFIG':
<horizon.conf.LazySettings object at 0x7f54d07eb880>, 'True': True,
'False': False, 'authorized_tenants': [<Project description=Bootstrap
project for initializing the cloud., domain_id=default, enabled=True,
id=84725e39c7a9462495e2cb6ae0cd111b, is_domain=False, links={'self': '
http://10.7.55.18:5000/v3/projects/84725e39c7a9462495e2cb6ae0cd111b'},
name=admin, options={}, parent_id=default, tags=[]>], 'keystone_providers':
{'support': False}, 'regions': {'support': False, 'current': {'endpoint': '
http://10.7.55.18:5000/v3/', 'name': 'Default Region'}, 'available': []},
'WEBROOT': '/horizon/', 'USER_MENU_LINKS': [{'name': 'OpenStack RC File',
'icon_classes': ['fa-download'], 'url':
'horizon:project:api_access:openrc'}], 'LOGOUT_URL':
'/horizon/auth/logout/', 'profiler_enabled': False, 'JS_CATALOG':
'horizon+openstack_dashboard'}, {}, {'network_id':
'91f04dfb-7f69-4050-8b3b-142ee555ae55', 'view':
<openstack_dashboard.dashboards.admin.networks.ports.views.CreateView
object at 0x7f54c90aabb0>, 'modal_backdrop': 'static', 'workflow':
<CreatePort: create_port>, 'REDIRECT_URL': None, 'layout': ['modal'],
'modal': True}, {'entry_point': 'create_info'}]

Best regards,

On Wed, Oct 21, 2020 at 8:29 PM Radomir Dopieralski <rdopiera at redhat.com>
wrote:

> This looks like a bug in Horizon's code, can you please report this as a
> bug in the Launchpad?
> A full exception text would be helpful too, if you can include that.
>
> On Wed, Oct 21, 2020 at 3:23 PM Lazuardi Nasution <mrxlazuardin at gmail.com>
> wrote:
>
>> Hi,
>>
>> With Ussuri on Ubuntu 20.04, I can create port with fixed IP address by
>> CLI but I cannot do the same by Horizon GUI. I find some error like
>> following on /var/log/apache2/error.log
>>
>> openstack_dashboard.dashboards.project.networks.ports.workflows Failed to
>> create a port for network 91f04dfb-7f69-4050-8b3b-142ee555ae55: dictionary
>> keys changed during iteration
>>
>> By more inspection, I can find that horizon never send that create port
>> request to neutron. So I think it is horizon problem. Is this expected
>> result or is this horizon bug? Is this related to policy?
>>
>> Best regards,
>>
>
>
> --
> Radomir Dopieralski
>
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