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[Bug 1167447] Re: dnsmasq fails to start

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Alan Pevec <1167447@xxxxxxxxxxxxxxxxxx>
Date: Fri, 10 May 2013 00:00:06 -0000
Reply-to: Bug 1167447 <1167447@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: nova/grizzly
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1167447

Title:
  dnsmasq fails to start

Status in OpenStack Compute (Nova):
  Fix Committed
Status in OpenStack Compute (nova) grizzly series:
  Fix Released

Bug description:
  running 2013.1 on CentOS 6.4, error only occurred after moving to grizzly (previously running folsom)
  upon starting nova-network:

  2013-04-10 11:51:28.993 54896 INFO nova.manager [-] Skipping periodic task _periodic_update_dns because its interval is negative
  2013-04-10 11:51:28.994 54896 INFO nova.network.driver [-] Loading network driver 'nova.network.linux_net'
  2013-04-10 11:51:29.016 54896 AUDIT nova.service [-] Starting network node (version 2013.1-1.el6)
  2013-04-10 11:51:33.176 54896 CRITICAL nova [-] Unexpected error while running command.
  Command: sudo nova-rootwrap /etc/nova/rootwrap.conf env CONFIG_FILE=["/etc/nova/nova.conf"] NETWORK_ID=1 dnsmasq --strict-order --bind-interfaces --conf-file=/etc/dnsmasq-nova.conf --domain='nova.local' --pid-file=/var/lib/nova/networks/nova-br128.pid --listen-address=10.1.128.12 --except-interface=lo --dhcp-range=set:rbchq0,10.1.128.3,static,255.255.252.0,120s --dhcp-lease-max=1024 --dhcp-hostsfile=/var/lib/nova/networks/nova-br128.conf --dhcp-script=/usr/bin/nova-dhcpbridge --leasefile-ro --no-hosts
  Exit code: 1
  Stdout: ''
  Stderr: '\ndnsmasq: bad command line options: try --help\n'
  2013-04-10 11:51:33.176 54896 TRACE nova Traceback (most recent call last):
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/bin/nova-network", line 54, in <module>
  2013-04-10 11:51:33.176 54896 TRACE nova     service.wait()
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/service.py", line 689, in wait
  2013-04-10 11:51:33.176 54896 TRACE nova     _launcher.wait()
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/service.py", line 209, in wait
  2013-04-10 11:51:33.176 54896 TRACE nova     super(ServiceLauncher, self).wait()
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/service.py", line 179, in wait
  2013-04-10 11:51:33.176 54896 TRACE nova     service.wait()
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/eventlet/greenthread.py", line 166, in wait
  2013-04-10 11:51:33.176 54896 TRACE nova     return self._exit_event.wait()
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/eventlet/event.py", line 116, in wait
  2013-04-10 11:51:33.176 54896 TRACE nova     return hubs.get_hub().switch()
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/eventlet/hubs/hub.py", line 177, in switch
  2013-04-10 11:51:33.176 54896 TRACE nova     return self.greenlet.switch()
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/eventlet/greenthread.py", line 192, in main
  2013-04-10 11:51:33.176 54896 TRACE nova     result = function(*args, **kwargs)
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/service.py", line 147, in run_server
  2013-04-10 11:51:33.176 54896 TRACE nova     server.start()
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/service.py", line 429, in start
  2013-04-10 11:51:33.176 54896 TRACE nova     self.manager.init_host()
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/network/manager.py", line 1680, in init_host
  2013-04-10 11:51:33.176 54896 TRACE nova     NetworkManager.init_host(self)
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/network/manager.py", line 345, in init_host
  2013-04-10 11:51:33.176 54896 TRACE nova     self._setup_network_on_host(ctxt, network)
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/openstack/common/lockutils.py", line 228, in inner
  2013-04-10 11:51:33.176 54896 TRACE nova     retval = f(*args, **kwargs)
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/network/manager.py", line 1837, in _setup_network_on_host
  2013-04-10 11:51:33.176 54896 TRACE nova     self.driver.update_dhcp(elevated, dev, network)
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/network/linux_net.py", line 938, in update_dhcp
  2013-04-10 11:51:33.176 54896 TRACE nova     restart_dhcp(context, dev, network_ref)
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/openstack/common/lockutils.py", line 242, in inner
  2013-04-10 11:51:33.176 54896 TRACE nova     retval = f(*args, **kwargs)
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/network/linux_net.py", line 1049, in restart_dhcp
  2013-04-10 11:51:33.176 54896 TRACE nova     _execute(*cmd, run_as_root=True)
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/network/linux_net.py", line 1142, in _execute
  2013-04-10 11:51:33.176 54896 TRACE nova     return utils.execute(*cmd, **kwargs)
  2013-04-10 11:51:33.176 54896 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/utils.py", line 239, in execute
  2013-04-10 11:51:33.176 54896 TRACE nova     cmd=' '.join(cmd))
  2013-04-10 11:51:33.176 54896 TRACE nova ProcessExecutionError: Unexpected error while running command.
  2013-04-10 11:51:33.176 54896 TRACE nova Command: sudo nova-rootwrap /etc/nova/rootwrap.conf env CONFIG_FILE=["/etc/nova/nova.conf"] NETWORK_ID=1 dnsmasq --strict-order --bind-interfaces --conf-file=/etc/dnsmasq-nova.conf --domain='nova.local' --pid-file=/var/lib/nova/networks/nova-br128.pid --listen-address=10.1.128.12 --except-interface=lo --dhcp-range=set:rbchq0,10.1.128.3,static,255.255.252.0,120s --dhcp-lease-max=1024 --dhcp-hostsfile=/var/lib/nova/networks/nova-br128.conf --dhcp-script=/usr/bin/nova-dhcpbridge --leasefile-ro --no-hosts
  2013-04-10 11:51:33.176 54896 TRACE nova Exit code: 1
  2013-04-10 11:51:33.176 54896 TRACE nova Stdout: ''
  2013-04-10 11:51:33.176 54896 TRACE nova Stderr: '\ndnsmasq: bad command line options: try --help\n'
  2013-04-10 11:51:33.176 54896 TRACE nova

  if i attempt to run the dnsmasq command myself it does not complain

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