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[Diana Burduja <diana_burduja@xxxxxxxxx>]

Thanks, it was the file permissions

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1169439

Title:
  nova-manage unable to open database

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  I'm following the http://docs.openstack.org/trunk/openstack-
  compute/install/apt/content/compute-verifying-install.html guide to
  install nova.

  "nova-manage --debug service list" gives me this error:
  2013-04-16 08:30:49 DEBUG nova.utils [req-3bb016b7-0b18-4440-9248-2802391617cc None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.pyc'> __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:506
  Command failed, please check log for more info
  2013-04-16 08:30:49 CRITICAL nova [req-3bb016b7-0b18-4440-9248-2802391617cc None None] (OperationalError) unable to open database file None None

  If I run "nova-manage config list" then the only sql_connection line is:
  sql_connection = sqlite:////usr/lib/python2.7/dist-packages/nova.sqlite
  even if in my /etc/nova/nova.conf I have
  sql_connection=mysql://nova:f00bar@192.168.206.130/nova

  It's funny that previously to "nova-manage --debug service list" I ran
  "nova-manage db sync" which connected to the mysql database and filled
  it up nicely.

  "nova-manage version":
  2012.2.2-dev (2012.2.2-LOCALBRANCH:LOCALREVISION)

  My /etc/nova/nova.conf is the one from the installation guide:
  [DEFAULT]

  # LOGS/STATE
  verbose=True
  logdir=/var/log/nova
  state_path=/var/lib/nova
  lock_path=/var/lock/nova
  rootwrap_config=/etc/nova/rootwrap.conf

  # SCHEDULER
  compute_scheduler_driver=nova.scheduler.filter_scheduler.FilterScheduler

  # VOLUMES
  volume_driver=nova.volume.driver.ISCSIDriver
  volume_group=nova-volumes
  volume_name_template=volume-%s
  iscsi_helper=tgtadm

  # DATABASE
  sql_connection=mysql://nova:f00bar@192.168.206.130/nova

  # COMPUTE
  libvirt_type=qemu
  compute_driver=libvirt.LibvirtDriver
  instance_name_template=instance-%08x
  api_paste_config=/etc/nova/api-paste.ini

  # COMPUTE/APIS: if you have separate configs for separate services
  # this flag is required for both nova-api and nova-compute
  allow_resize_to_same_host=True

  # APIS
  osapi_compute_extension=nova.api.openstack.compute.contrib.standard_extensions
  ec2_dmz_host=192.168.206.130
  s3_host=192.168.206.130

  # RABBITMQ
  rabbit_host=192.168.206.130

  # GLANCE
  image_service=nova.image.glance.GlanceImageService
  glance_api_servers=192.168.206.130:9292

  # NETWORK
  network_manager=nova.network.manager.FlatDHCPManager
  force_dhcp_release=True
  dhcpbridge_flagfile=/etc/nova/nova.conf
  firewall_driver=nova.virt.libvirt.firewall.IptablesFirewallDriver

  # Change my_ip to match each host
  my_ip=192.168.206.130
  public_interface=eth0
  vlan_interface=eth0
  flat_network_bridge=br100
  flat_interface=eth0
  fixed_range=''

  # NOVNC CONSOLE
  novncproxy_base_url=http://192.168.206.130:6080/vnc_auto.html

  # Change vncserver_proxyclient_address and vncserver_listen to match each compute host
  vncserver_proxyclient_address=192.168.206.130
  vncserver_listen=192.168.206.130

  # AUTHENTICATION
  auth_strategy=keystone

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