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[Goutham Pacha Ravi <gouthamr@xxxxxxxxxx>]

Tempest log for manila-tempest-dsvm-postgres-zfsonlinux on
https://review.openstack.org/#/c/545695/19

** Attachment added: "manila_zfsonlinux_postgresql_tempest_545695_PS19.txt.gz.txt"
   https://bugs.launchpad.net/nova/+bug/1804084/+attachment/5214342/+files/manila_zfsonlinux_postgresql_tempest_545695_PS19.txt.gz.txt

** Also affects: manila
   Importance: Undecided
       Status: New

** Changed in: manila
       Status: New => Opinion

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https://bugs.launchpad.net/bugs/1804084

Title:
  Nova API responds with HTTP 500 / DBError on instance creation

Status in Manila:
  Opinion
Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ===========
  When creating a new instance with the POST /servers API, a HTTP 500 is encountered:

  Request and Response: 
  500 POST http://38.108.68.93/compute/v2.1/servers 1.804s
  2018-11-19 07:17:28.015 3332 DEBUG tempest.lib.common.rest_client [req-807e4720-03a9-4acc-8c5a-a9fbeb8a5df9 ] Request - Headers: {'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}
          Body: {"server": {"name": "tempest-ShareManageUnmanageNFS-server-1394122281", "imageRef": "0ab32d82-b8f2-4bf7-969f-8f3339dd4efa", "key_name": "tempest-ShareManageUnmanageNFS-1797925906", "flavorRef": "100", "networks": [{"uuid": "4051f365-fc7c-46d3-8295-2f3e4317e5ee"}], "security_groups": [{"name": "tempest-secgroup-smoke-1206484509"}]}}
      Response - Headers: {'status': '500', u'content-length': '199', 'content-location': 'http://38.108.68.93/compute/v2.1/servers', u'x-compute-request-id': 'req-807e4720-03a9-4acc-8c5a-a9fbeb8a5df9', u'vary': 'OpenStack-API-Version,X-OpenStack-Nova-API-Version', u'server': 'Apache/2.4.29 (Ubuntu)', u'openstack-api-version': 'compute 2.1', u'connection': 'close', u'x-openstack-nova-api-version': '2.1', u'date': 'Mon, 19 Nov 2018 07:17:26 GMT', u'content-type': 'application/json; charset=UTF-8', u'x-openstack-request-id': 'req-807e4720-03a9-4acc-8c5a-a9fbeb8a5df9'}
          Body: {"computeFault": {"message": "Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.\n<class 'oslo_db.exception.DBError'>", "code": 500}} _log_request_full tempest/lib/common/rest_client.py:437

  
  Steps to reproduce
  ==================
  This occurred in the openstack/manila project gate when running "scenario" tests which attempt to create a Nova VM to mount shared file systems and perform I/O. The tests bail out on the first step, i.e, creating a VM.

  
  Environment
  ===========
  1. OpenStack version: master / Stein 

  2. Env: 
          Setup: DevStack/DevStack gate - local.conf is here [1] (Also Attached)
          Hypervisor: Libvirt/KVM
          Storage: LVM
          Networking type: Neutron with OpenVSwitch
          Database used: PostgreSQL

  Logs & Configs
  ==============
  nova-api logs are attached. Only the relevant sections of the manila/tempest logs are attached with this report. See this paste [3] for Relevant log file links and debug steps followed by the reporter. 

  [1] Local.conf: http://logs.openstack.org/67/616467/1/check/manila-tempest-dsvm-scenario/e765422/logs/local.conf.txt.gz
  [2] Nova API log: http://logs.openstack.org/67/616467/1/check/manila-tempest-dsvm-scenario/e765422/logs/screen-n-api.txt.gz
  [3] Paste with relevant details: http://paste.openstack.org/show/735697/

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