** Changed in: neutron
Status: Fix Committed => Fix Released
** Changed in: neutron
Milestone: None => kilo-2
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https://bugs.launchpad.net/bugs/1407618
Title:
unable to reload allocations neutron-dhcp-agent
Status in OpenStack Neutron (virtual network service):
Fix Released
Bug description:
In some cases dhcp agent dumps an exception because it's trying to use
replace_file over a directory
which was never created.
http://logstash.openstack.org/#eyJzZWFyY2giOiJcIlVuYWJsZSB0byByZWxvYWRfYWxsb2NhdGlvbnMgZGhjcCBmb3JcIiIsImZpZWxkcyI6WyJsb2dfdXJsIl0sIm9mZnNldCI6MCwidGltZWZyYW1lIjoiNjA0ODAwIiwiZ3JhcGhtb2RlIjoiY291bnQiLCJ0aW1lIjp7InVzZXJfaW50ZXJ2YWwiOjB9LCJzdGFtcCI6MTQyMDQ1MDU0OTY2M30=
[req-84e8f66a-5401-424c-82d5-068267d81c7b None] Unable to reload_allocations
dhcp for c2a866cf-a1db-4e50-9fc8-5da8b7320669.
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent Traceback (most
recent call last):
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent File
"/opt/stack/new/neutron/neutron/agent/dhcp_agent.py", line 129, in call_driver
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent
getattr(driver, action)(**action_kwargs)
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent File
"/opt/stack/new/neutron/neutron/agent/linux/dhcp.py", line 445, in
reload_allocations
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent
self._output_hosts_file()
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent File
"/opt/stack/new/neutron/neutron/agent/linux/dhcp.py", line 525, in
_output_hosts_file
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent
utils.replace_file(filename, buf.getvalue())
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent File
"/opt/stack/new/neutron/neutron/agent/linux/utils.py", line 112, in replace_file
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent tmp_file =
tempfile.NamedTemporaryFile('w+', dir=base_dir, delete=False)
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent File
"/usr/lib/python2.7/tempfile.py", line 462, in NamedTemporaryFile
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent (fd, name) =
_mkstemp_inner(dir, prefix, suffix, flags)
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent File
"/usr/lib/python2.7/tempfile.py", line 239, in _mkstemp_inner
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent fd =
_os.open(file, flags, 0600)
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent File
"/usr/local/lib/python2.7/dist-packages/eventlet/green/os.py", line 109, in open
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent fd =
__original_open__(file, flags, mode)
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent OSError: [Errno
2] No such file or directory:
'/opt/stack/data/neutron/dhcp/c2a866cf-a1db-4e50-9fc8-5da8b7320669/tmpJnpUfM'
2015-01-05 09:06:38.554 2489 TRACE neutron.agent.dhcp_agent
Proper directory creation must always happen before any attempt to
"replace_file"
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