** Changed in: neutron
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1444201
Title:
change in ipset elements breaks agent
Status in OpenStack Neutron (virtual network service):
Fix Released
Status in neutron kilo series:
Fix Released
Bug description:
If an ipset element count changes (e.g. due to
https://review.openstack.org/#/c/170328/), the previous elements will
cause the create command to fail even though the -exist flag is being
passed. This prevents the agent from setting up the ipsets correctly.
Example exception:
015-03-30 15:31:40.887 DEBUG oslo_concurrency.lockutils
[req-13ed77d8-6224-44ba-a2a9-becaa991663c None None] Releasing file lock
"/opt/stack/data/neutron/lock/neutron-
ipset" after holding it for 0.005s release
/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:227
2015-03-30 15:31:40.888 DEBUG oslo_concurrency.lockutils
[req-13ed77d8-6224-44ba-a2a9-becaa991663c None None] Lock "ipset" released by
"set_members" :: held 0.005s inne
r /usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:456
2015-03-30 15:31:40.888 ERROR
neutron.plugins.openvswitch.agent.ovs_neutron_agent
[req-13ed77d8-6224-44ba-a2a9-becaa991663c None None] Error while processing VIF
ports
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Traceback (most recent call
last):
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/plugins/openvswitch/agent/ovs_neutron_agent.p
y", line 1586, in rpc_loop
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent ovs_restarted)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/plugins/openvswitch/agent/ovs_neutron_agent.p
y", line 1350, in process_network_ports
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
port_info.get('updated', set()))
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 360, in se
tup_port_filters
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
self.prepare_devices_filter(new_devices)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 219, in de
corated_function
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent *args, **kwargs)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 244, in pr
epare_devices_filter
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent security_groups,
security_group_member_ips)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent self.gen.next()
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/firewall.py", line 106, in defer_apply
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
self.filter_defer_apply_off()
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/iptables_firewall.py", line 659,
in filter_defer_apply_off
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent self.unfiltered_ports)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
File "/opt/stack/neutron/neutron/agent/linux/iptables_firewall.py", line
155, in _setup_chains_apply
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent self._setup_chain(port,
INGRESS_DIRECTION)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/iptables_firewall.py", line 182, in
_setup_chain
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
self._add_rules_by_security_group(port, DIRECTION)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/iptables_firewall.py", line 411, in
_add_rules_by_security_group
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
self._update_ipset_members(remote_sg_ids)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/iptables_firewall.py", line 448, in
_update_ipset_members
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
self.ipset.set_members(sg_id, ip_version, current_ips)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line
445, in inner
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent return f(*args,
**kwargs)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/ipset_manager.py", line 74, in
set_members
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
self._create_set(set_name, ethertype)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/ipset_manager.py", line 123, in
_create_set
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent self._apply(cmd)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/ipset_manager.py", line 132, in _apply
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent self.execute(cmd_ns,
run_as_root=True, process_input=input)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 137, in execute
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent raise RuntimeError(m)
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent RuntimeError:
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Command: ['ipset',
'create', '-exist', u'IPv45d5e4955-d64c-40af-853e', 'hash:ip', 'family',
'inet', 'hashsize', '2048', 'maxelem', '131072']
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Exit code: 1
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Stdin:
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Stdout:
2015-03-30 15:31:40.888 32755 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Stderr: ipset v6.20.1: Set
cannot be created: set with the same name already exists
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