** Changed in: neutron
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1249609
Title:
Metadata agent fails with "Connection to neutron failed: Maximum
attempts reached"
Status in OpenStack Neutron (virtual network service):
Invalid
Bug description:
Using the current Havana release from the Cloud Archive
(2013.2-0ubuntu1~cloud0).
I have applied the patches that fix
https://bugs.launchpad.net/neutron/+bug/1211915 and
https://bugs.launchpad.net/nova/+bug/1229475
Still getting the error every time I try to access the metadata
service. This will trigger the error below:
ip netns exec qdhcp-e164fe97-f599-4b2e-81c9-ebca991a8af1 curl
http://169.254.169.254/latest/meta-data/
<html>
<head>
<title>500 Internal Server Error</title>
</head>
<body>
<h1>500 Internal Server Error</h1>
Remote metadata server experienced an internal server error.<br /><br />
</body>
in /var/log/neutron/metadata-agent.log:
2013-11-09 06:11:40.513 42522 ERROR neutron.agent.metadata.agent [-]
Unexpected error.
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent Traceback
(most recent call last):
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent File
"/usr/lib/python2.7/dist-packages/neutron/agent/metadata/agent.py", line 94, in
__call__
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent
instance_id = self._get_instance_id(req)
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent File
"/usr/lib/python2.7/dist-packages/neutron/agent/metadata/agent.py", line 124,
in _get_instance_id
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent
fixed_ips=['ip_address=%s' % remote_address])['ports']
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 108, in
with_params
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent ret =
self.function(instance, *args, **kwargs)
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 298, in
list_ports
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent
**_params)
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1197, in
list
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent for r in
self._pagination(collection, path, **params):
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1210, in
_pagination
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent res =
self.get(path, params=params)
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1183, in
get
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent
headers=headers, params=params)
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1175, in
retry_request
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent raise
exceptions.ConnectionFailed(reason=_("Maximum attempts reached"))
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent
ConnectionFailed: Connection to neutron failed: Maximum attempts reached
2013-11-09 06:11:40.513 42522 TRACE neutron.agent.metadata.agent
I have a neutron flat network configured:
/etc/neutron/neutron.conf:
[DEFAULT]
state_path = /var/lib/neutron
lock_path = $state_path/lock
core_plugin =
neutron.plugins.openvswitch.ovs_neutron_plugin.OVSNeutronPluginV2
auth_strategy = keystone
rpc_backend = neutron.openstack.common.rpc.impl_kombu
rabbit_host = 10.0.0.61
notification_driver = neutron.openstack.common.notifier.rpc_notifier
[quotas]
[agent]
root_helper = sudo /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf
[keystone_authtoken]
auth_host = 10.0.0.61
auth_port = 35357
auth_protocol = http
admin_tenant_name = service
admin_user = neutron
admin_password = service_pass
signing_dir = $state_path/keystone-signing
[database]
sql_connection = mysql://neutronUser:neutronPass@10.0.0.61/neutron
connection_debug = 0
[service_providers]
service_provider=LOADBALANCER:Haproxy:neutron.services.loadbalancer.drivers.haproxy.plugin_driver.HaproxyOnHostPluginDriver:default
/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini :
[ovs]
network_vlan_ranges = physnet1
bridge_mappings = physnet1:br-eth2
[agent]
[securitygroup]
firewall_driver =
neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
[database]
connection = mysql://neutronUser:neutronPass@10.0.0.61/neutron
# neutron net-show flat-provider-network
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | True |
| id | e164fe97-f599-4b2e-81c9-ebca991a8af1 |
| name | flat-provider-network |
| provider:network_type | flat |
| provider:physical_network | physnet1 |
| provider:segmentation_id | |
| router:external | False |
| shared | True |
| status | ACTIVE |
| subnets | 87a0b91e-1875-4849-8c57-25f51ecdd87f |
| tenant_id | fefce81749874bcb9b2030b1f6ade9dc |
+---------------------------+--------------------------------------+
/etc/neutron/metadata_agent.ini:
[DEFAULT]
debug = False
auth_url = http://10.0.0.61:5000/v2.0
auth_region = RegionOne
admin_tenant_name = service
admin_user = neutron
admin_password = service_pass
/etc/neutron# egrep -v "^$|^#" dhcp_agent.ini
[DEFAULT]
resync_interval = 5
interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver
dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
use_namespaces = True
enable_isolated_metadata = True
enable_metadata_network = True
/etc/neutron/l3_agent.ini
[DEFAULT]
interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
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