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[Bug 1178608] Re: nova-baremetal-deploy-helper errors are opaque

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 29 May 2013 10:18:00 -0000
Reply-to: Bug 1178608 <1178608@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => havana-1

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https://bugs.launchpad.net/bugs/1178608

Title:
  nova-baremetal-deploy-helper errors are opaque

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  If the deploy helper has an error, the fact of the error, but not it's
  details are shown.

  I have a patch I'm going to push up in a minute.

  before:

  2013-05-10 10:00:58,114.114 13141 INFO nova.virt.baremetal.deploy_helper [-] start deployment for node 63, params {'swap_mb': 1, 'iqn': 'iqn-6f1501d7-786c-4b7d-88e2-81fc5ff91b5d', 'image_path': u'/var/lib/nova/instances/instance-000000ac/disk', 'address': '192.168.0.117', 'pxe_config_path': u'/tftpboot/6f1501d7-786c-4b7d-88e2-81fc5ff91b5d/config', 'port': '3260', 'lun': '1', 'root_mb': 10240}
  2013-05-10 10:00:58,200.200 13141 ERROR nova.virt.baremetal.deploy_helper [-] deployment to node 63 failed

  2013-05-10 10:16:25,015.015 3167 INFO nova.virt.baremetal.deploy_helper [req-7e80e861-5d27-42a3-801e-97ef26ffa90b None None] start deployment for node 63, params {'swap_mb': 1, 'iqn': 'iqn-99d3a2d9-9ce5-4eec-a095-cd374d54b6e3', 'image_path': u'/var/lib/nova/instances/instance-000000ad/disk', 'address': '192.168.0.117', 'pxe_config_path': u'/tftpboot/99d3a2d9-9ce5-4eec-a095-cd374d54b6e3/config', 'port': '3260', 'lun': '1', 'root_mb': 10240}
  2013-05-10 10:16:25,105.105 3167 ERROR nova.virt.baremetal.deploy_helper [req-7e80e861-5d27-42a3-801e-97ef26ffa90b None None] deployment to node 63 failed
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper Traceback (most recent call last):
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper   File "/opt/stack/venvs/nova/local/lib/python2.7/site-packages/nova/cmd/baremetal_deploy_helper.py", line 242, in run
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper     deploy(**params)
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper   File "/opt/stack/venvs/nova/local/lib/python2.7/site-packages/nova/cmd/baremetal_deploy_helper.py", line 200, in deploy
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper     discovery(address, port)
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper   File "/opt/stack/venvs/nova/local/lib/python2.7/site-packages/nova/cmd/baremetal_deploy_helper.py", line 56, in discovery
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper     check_exit_code=[0])
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper   File "/opt/stack/venvs/nova/local/lib/python2.7/site-packages/nova/utils.py", line 154, in execute
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper     return processutils.execute(*cmd, **kwargs)
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper   File "/opt/stack/venvs/nova/local/lib/python2.7/site-packages/nova/openstack/common/processutils.py", line 168, in execute
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper     cmd=' '.join(cmd))
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper ProcessExecutionError: Unexpected error while running command.
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper Command: sudo nova-rootwrap /etc/nova/rootwrap.conf iscsiadm -m discovery -t st -p 192.168.0.117:3260
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper Exit code: 1
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper Stdout: ''
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper Stderr: 'Traceback (most recent call last):\n  File "/usr/bin/nova-rootwrap", line 89, in <module>\n    env=filtermatch.get_environment(userargs))\n  File "/usr/lib/python2.7/subprocess.py", line 679, in __init__\n    errread, errwrite)\n  File "/usr/lib/python2.7/subprocess.py", line 1259, in _execute_child\n    raise child_exception\nOSError: [Errno 2] No such file or directory\n'
  2013-05-10 10:16:25,105.105 3167 TRACE nova.virt.baremetal.deploy_helper

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