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[Feilong Wang <flwang@xxxxxxxxxxxxxxx>]

Public bug reported:

When enabling the DEBUG level for "console" handler in
local_settings.py, you can see a lot below errors.


DEBUG 2017-10-02 21:06:11,615 django.template Exception while resolving variable 'is_small' in template 'horizon/common/_data_table_row_actions_dropdown.html'.
Traceback (most recent call last):
  File "/home/feilong/MyWorkspace/workspace_catalyst/openstack-horizon/pike/local/lib/python2.7/site-packages/django/template/base.py", line 903, in _resolve_lookup
    (bit, current))  # missing attribute
VariableDoesNotExist: Failed lookup for key [is_small] in u'[{\'False\': False, \'None\': None, \'True\': True}, {\'x_trace_info\': \'{"X-Trace-HMAC": "79db818611c206ee6b8aacdf9cb6eecc1bcd5233", "X-Trace-Info": "eyJwYXJlbnRfaWQiOiAiYWM0OGIyYzgtOGZiOC00N2FjLTkyOTEtZTMxY2U5MmRlZDhlIiwgImJhc2VfaWQiOiAiYzdiNzUzMmQtOGY4OS00ZTlhLThmM2MtNTQzNTdlMGJjZTRlIiwgImhtYWNfa2V5IjogIlNFQ1JFVF9LRVkifQ=="}\', u\'csrf_token\': <SimpleLazyObject: <function _get_val at 0x7f3ef8e727d0>>, \'False\': False, u\'request\': <WSGIRequest: GET \'/project/instances/\'>, \'profiler_enabled\': True, \'JS_CATALOG\': \'horizon+openstack_dashboard+adjutant_ui.dashboards.management+distil_ui+horizon_plugins\', \'messages\': <django.contrib.messages.storage.fallback.FallbackStorage object at 0x7f3f0858e290>, u\'STATIC_URL\': \'/static/\', u\'LANGUAGES\': ((\'cs\', \'Czech\'), (\'de\', \'German\'), (\'en\', \'English\'), (\'en-au\', \'Australian English\'), (\'en-gb\', \'British English\'), (\'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)\')), \'WEBROOT\': \'/\', \'regions\': {\'current\': {\'endpoint\': u\'https://api.cloud.catalyst.net.nz:5000/v2.0\', \'name\': \'Default Region\'}, \'available\': [], \'support\': False}, \'keystone_providers\': {\'support\': False}, \'authorized_tenants\': [<Tenant {u\'description\': u\'\', u\'disabled_by\': u\'\', u\'enabled\': True, u\'disabled_at\': u\'\', u\'id\': u\'55d08ec945f144d9aeec8234e6cdebbc\', u\'name\': u\'feilong.catalyst.net.nz\'}>, <Tenant {u\'enabled\': True, u\'description\': u\'Openstack development tenant\', u\'name\': u\'openstack-dev.catalyst.net.nz\', u\'id\': u\'b23a5e41d1af4c20974bf58b4dff8e5a\'}>], u\'LANGUAGE_CODE\': \'en\', \'HORIZON_CONFIG\': <horizon.conf.LazySettings object at 0x7f3f0d2fce50>, \'DEFAULT_MESSAGE_LEVELS\': {\'DEBUG\': 10, \'INFO\': 20, \'WARNING\': 30, \'SUCCESS\': 25, \'ERROR\': 40}, \'True\': True, u\'LANGUAGE_BIDI\': False, u\'MEDIA_URL\': \'/media/\'}, {}, {\'row_id\': u\'8130d5dc-6db0-4976-bef3-b8655ff5a282\', \'row_actions\': [<CreateSnapshot: snapshot>, <AssociateIP: associate>, <AttachInterface: attach_interface>, <DetachInterface: detach_interface>, <EditInstance: edit>, <AttachVolume: attach_volume>, <DetachVolume: detach_volume>, <UpdateMetadata: update_metadata>, <EditInstanceSecurityGroups: edit_secgroups>, <ConsoleLink: console>, <LogLink: log>, <TogglePause: pause>, <ToggleSuspend: suspend>, <ToggleShelve: shelve>, <ResizeLink: resize>, <LockInstance: lock>, <UnlockInstance: unlock>, <SoftRebootInstance: soft_reboot>, <RebootInstance: reboot>, <StopInstance: stop>, <RebuildInstance: rebuild>, <DeleteInstance: delete>]}, {u\'forloop\': {u\'revcounter0\': 5, u\'last\': False, u\'counter\': 17, u\'parentloop\': {}, u\'revcounter\': 6, u\'counter0\': 16, u\'first\': False}, u\'action\': <UnlockInstance: unlock>}, {}]'

** Affects: horizon
     Importance: Medium
         Status: Confirmed

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https://bugs.launchpad.net/bugs/1720893

Title:
  VariableDoesNotExis error when enabling DEBUG logging

Status in OpenStack Dashboard (Horizon):
  Confirmed

Bug description:
  When enabling the DEBUG level for "console" handler in
  local_settings.py, you can see a lot below errors.

  
  DEBUG 2017-10-02 21:06:11,615 django.template Exception while resolving variable 'is_small' in template 'horizon/common/_data_table_row_actions_dropdown.html'.
  Traceback (most recent call last):
    File "/home/feilong/MyWorkspace/workspace_catalyst/openstack-horizon/pike/local/lib/python2.7/site-packages/django/template/base.py", line 903, in _resolve_lookup
      (bit, current))  # missing attribute
  VariableDoesNotExist: Failed lookup for key [is_small] in u'[{\'False\': False, \'None\': None, \'True\': True}, {\'x_trace_info\': \'{"X-Trace-HMAC": "79db818611c206ee6b8aacdf9cb6eecc1bcd5233", "X-Trace-Info": "eyJwYXJlbnRfaWQiOiAiYWM0OGIyYzgtOGZiOC00N2FjLTkyOTEtZTMxY2U5MmRlZDhlIiwgImJhc2VfaWQiOiAiYzdiNzUzMmQtOGY4OS00ZTlhLThmM2MtNTQzNTdlMGJjZTRlIiwgImhtYWNfa2V5IjogIlNFQ1JFVF9LRVkifQ=="}\', u\'csrf_token\': <SimpleLazyObject: <function _get_val at 0x7f3ef8e727d0>>, \'False\': False, u\'request\': <WSGIRequest: GET \'/project/instances/\'>, \'profiler_enabled\': True, \'JS_CATALOG\': \'horizon+openstack_dashboard+adjutant_ui.dashboards.management+distil_ui+horizon_plugins\', \'messages\': <django.contrib.messages.storage.fallback.FallbackStorage object at 0x7f3f0858e290>, u\'STATIC_URL\': \'/static/\', u\'LANGUAGES\': ((\'cs\', \'Czech\'), (\'de\', \'German\'), (\'en\', \'English\'), (\'en-au\', \'Australian English\'), (\'en-gb\', \'British English\'), (\'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)\')), \'WEBROOT\': \'/\', \'regions\': {\'current\': {\'endpoint\': u\'https://api.cloud.catalyst.net.nz:5000/v2.0\', \'name\': \'Default Region\'}, \'available\': [], \'support\': False}, \'keystone_providers\': {\'support\': False}, \'authorized_tenants\': [<Tenant {u\'description\': u\'\', u\'disabled_by\': u\'\', u\'enabled\': True, u\'disabled_at\': u\'\', u\'id\': u\'55d08ec945f144d9aeec8234e6cdebbc\', u\'name\': u\'feilong.catalyst.net.nz\'}>, <Tenant {u\'enabled\': True, u\'description\': u\'Openstack development tenant\', u\'name\': u\'openstack-dev.catalyst.net.nz\', u\'id\': u\'b23a5e41d1af4c20974bf58b4dff8e5a\'}>], u\'LANGUAGE_CODE\': \'en\', \'HORIZON_CONFIG\': <horizon.conf.LazySettings object at 0x7f3f0d2fce50>, \'DEFAULT_MESSAGE_LEVELS\': {\'DEBUG\': 10, \'INFO\': 20, \'WARNING\': 30, \'SUCCESS\': 25, \'ERROR\': 40}, \'True\': True, u\'LANGUAGE_BIDI\': False, u\'MEDIA_URL\': \'/media/\'}, {}, {\'row_id\': u\'8130d5dc-6db0-4976-bef3-b8655ff5a282\', \'row_actions\': [<CreateSnapshot: snapshot>, <AssociateIP: associate>, <AttachInterface: attach_interface>, <DetachInterface: detach_interface>, <EditInstance: edit>, <AttachVolume: attach_volume>, <DetachVolume: detach_volume>, <UpdateMetadata: update_metadata>, <EditInstanceSecurityGroups: edit_secgroups>, <ConsoleLink: console>, <LogLink: log>, <TogglePause: pause>, <ToggleSuspend: suspend>, <ToggleShelve: shelve>, <ResizeLink: resize>, <LockInstance: lock>, <UnlockInstance: unlock>, <SoftRebootInstance: soft_reboot>, <RebootInstance: reboot>, <StopInstance: stop>, <RebuildInstance: rebuild>, <DeleteInstance: delete>]}, {u\'forloop\': {u\'revcounter0\': 5, u\'last\': False, u\'counter\': 17, u\'parentloop\': {}, u\'revcounter\': 6, u\'counter0\': 16, u\'first\': False}, u\'action\': <UnlockInstance: unlock>}, {}]'

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