我使用 AutoPilot 安装 OpenStack。在几个计算节点上，当我尝试配置虚拟机时，我在 nova-compute.log 中收到以下错误
2015-05-14 19:38:07.807 7494 WARNING nova.virt.disk.mount.nbd [-] No free nbd devices
2015-05-14 19:38:07.807 7494 INFO nova.virt.disk.mount.api [-] Device allocation failed. Will retry in 2 seconds.
2015-05-14 19:38:22.884 7494 ERROR nova.network.linux_net [-] Unable to execute ['ovs-vsctl', '--timeout=120', '--', '--if-exists', 'del-port', u'qvo6a2b71b0-f4', '--', 'add-port', 'br-int', u'qvo6a2b71b0-f4', '--', 'set', 'Interface', u'qvo6a2b71b0-f4', u'external-ids:iface-id=6a2b71b0-f4dd-4346-8ce3-cf37d3bee46a', 'external-ids:iface-status=active', u'external-ids:attached-mac=fa:16:3e:eb:dd:ae', 'external-ids:vm-uuid=4fc5ca8c-d353-4e3d-b953-998eb6b32370']. Exception: Unexpected error while running command.
Command: sudo nova-rootwrap /etc/nova/rootwrap.conf ovs-vsctl --timeout=120 -- --if-exists del-port qvo6a2b71b0-f4 -- add-port br-int qvo6a2b71b0-f4 -- set Interface qvo6a2b71b0-f4 external-ids:iface-id=6a2b71b0-f4dd-4346-8ce3-cf37d3bee46a external-ids:iface-status=active external-ids:attached-mac=fa:16:3e:eb:dd:ae external-ids:vm-uuid=4fc5ca8c-d353-4e3d-b953-998eb6b32370
Exit code: 1
Stdout: u''
Stderr: u'2015-05-14T19:38:22Z|00002|reconnect|WARN|unix:/var/run/openvswitch/db.sock: connection attempt failed (Protocol error)\novs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (Protocol error)\n'
2015-05-14 19:38:22.885 7494 ERROR nova.compute.manager [-] [instance: 4fc5ca8c-d353-4e3
任何帮助，将不胜感激。
环境配置，在自动驾驶仪中我配置了：KVM，Open vSwitch，Ceph，Ceph。
这是我的景观状态：
landscape@juju-machine-0-lxc-2:~$ juju status
environment: "1"
machines:
"0":
agent-state: started
agent-version: 1.22.1
dns-name: dumbledor.maas
instance-id: /MAAS/api/1.0/nodes/node-89fd853a-f5c3-11e4-bf21-0015c5607ff0/
series: trusty
containers:
0/lxc/0:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.150
instance-id: juju-machine-0-lxc-0
series: trusty
hardware: arch=amd64
0/lxc/1:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.151
instance-id: juju-machine-0-lxc-1
series: trusty
hardware: arch=amd64
hardware: arch=amd64 cpu-cores=4 mem=8192M
state-server-member-status: has-vote
"1":
agent-state: started
agent-version: 1.22.1
dns-name: malfoy.maas
instance-id: /MAAS/api/1.0/nodes/node-a91bece8-f50c-11e4-b4ed-0015c5607ff0/
series: trusty
containers:
1/lxc/0:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.158
instance-id: juju-machine-1-lxc-0
series: trusty
hardware: arch=amd64
1/lxc/1:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.159
instance-id: juju-machine-1-lxc-1
series: trusty
hardware: arch=amd64
hardware: arch=amd64 cpu-cores=4 mem=8192M
"2":
agent-state: started
agent-version: 1.22.1
dns-name: voldemort.maas
instance-id: /MAAS/api/1.0/nodes/node-bcc0e8c6-f515-11e4-b4ed-0015c5607ff0/
series: trusty
containers:
2/lxc/0:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.153
instance-id: juju-machine-2-lxc-0
series: trusty
hardware: arch=amd64
2/lxc/1:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.154
instance-id: juju-machine-2-lxc-1
series: trusty
hardware: arch=amd64
2/lxc/2:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.156
instance-id: juju-machine-2-lxc-2
series: trusty
hardware: arch=amd64
hardware: arch=amd64 cpu-cores=2 mem=4096M
"3":
agent-state: started
agent-version: 1.22.1
dns-name: weasley.maas
instance-id: /MAAS/api/1.0/nodes/node-70ff0c70-f550-11e4-bf17-0015c5607ff0/
series: trusty
containers:
3/lxc/0:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.160
instance-id: juju-machine-3-lxc-0
series: trusty
hardware: arch=amd64
3/lxc/1:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.161
instance-id: juju-machine-3-lxc-1
series: trusty
hardware: arch=amd64
3/lxc/2:
agent-state: started
agent-version: 1.22.1
dns-name: 10.10.1.162
instance-id: juju-machine-3-lxc-2
series: trusty
hardware: arch=amd64
hardware: arch=amd64 cpu-cores=4 mem=32768M
services:
ceph:
charm: cs:trusty/ceph-31
can-upgrade-to: cs:trusty/ceph-36
exposed: false
relations:
client:
- cinder
- glance
- landscape-client
- nova-compute
juju-info:
- landscape-client
mon:
- ceph
osd:
- ceph-osd
radosgw:
- ceph-radosgw
units:
ceph/0:
agent-state: started
agent-version: 1.22.1
machine: "0"
public-address: dumbledor.maas
subordinates:
landscape-client/0:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: dumbledor.maas
ceph/1:
agent-state: started
agent-version: 1.22.1
machine: "2"
public-address: voldemort.maas
subordinates:
landscape-client/7:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: voldemort.maas
ceph/2:
agent-state: started
agent-version: 1.22.1
machine: "3"
public-address: weasley.maas
subordinates:
landscape-client/9:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: weasley.maas
ceph-osd:
charm: cs:trusty/ceph-osd-5
can-upgrade-to: cs:trusty/ceph-osd-10
exposed: false
relations:
juju-info:
- landscape-client
mon:
- ceph
units:
ceph-osd/0:
agent-state: started
agent-version: 1.22.1
machine: "1"
public-address: malfoy.maas
subordinates:
landscape-client/8:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: malfoy.maas
ceph-radosgw:
charm: cs:trusty/ceph-radosgw-8
can-upgrade-to: cs:trusty/ceph-radosgw-12
exposed: false
relations:
identity-service:
- keystone
juju-info:
- landscape-client
mon:
- ceph
units:
ceph-radosgw/0:
agent-state: started
agent-version: 1.22.1
machine: 3/lxc/2
open-ports:
- 80/tcp
public-address: 10.10.1.162
subordinates:
landscape-client/11:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.162
cinder:
charm: cs:trusty/cinder-10
can-upgrade-to: cs:trusty/cinder-23
exposed: false
relations:
amqp:
- rabbitmq-server
ceph:
- ceph
cinder-volume-service:
- nova-cloud-controller
cluster:
- cinder
identity-service:
- keystone
image-service:
- glance
juju-info:
- landscape-client
shared-db:
- mysql
units:
cinder/0:
agent-state: started
agent-version: 1.22.1
machine: 2/lxc/2
public-address: 10.10.1.156
subordinates:
landscape-client/16:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.156
glance:
charm: cs:trusty/glance-9
can-upgrade-to: cs:trusty/glance-20
exposed: false
relations:
amqp:
- rabbitmq-server
ceph:
- ceph
cluster:
- glance
identity-service:
- keystone
image-service:
- cinder
- nova-cloud-controller
- nova-compute
juju-info:
- landscape-client
shared-db:
- mysql
units:
glance/0:
agent-state: started
agent-version: 1.22.1
machine: 3/lxc/0
open-ports:
- 9292/tcp
public-address: 10.10.1.160
subordinates:
landscape-client/15:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.160
keystone:
charm: cs:trusty/keystone-9
can-upgrade-to: cs:trusty/keystone-25
exposed: false
relations:
cluster:
- keystone
identity-service:
- ceph-radosgw
- cinder
- glance
- neutron-api
- nova-cloud-controller
- openstack-dashboard
juju-info:
- landscape-client
shared-db:
- mysql
units:
keystone/0:
agent-state: error
agent-state-info: 'hook failed: "identity-service-relation-changed" for neutron-api:identity-service'
agent-version: 1.22.1
machine: 0/lxc/0
public-address: 10.10.1.150
subordinates:
landscape-client/4:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.150
landscape-client:
charm: cs:trusty/landscape-client-11
can-upgrade-to: cs:trusty/landscape-client-12
exposed: false
relations:
ceph-client:
- ceph
container:
- ceph
- ceph-osd
- ceph-radosgw
- cinder
- glance
- keystone
- mysql
- neutron-api
- neutron-gateway
- nova-cloud-controller
- nova-compute
- ntpmaster
- openstack-dashboard
- rabbitmq-server
subordinate-to:
- ceph
- ceph-osd
- ceph-radosgw
- cinder
- glance
- keystone
- mysql
- neutron-api
- neutron-gateway
- nova-cloud-controller
- nova-compute
- ntpmaster
- openstack-dashboard
- rabbitmq-server
mysql:
charm: cs:trusty/percona-cluster-13
can-upgrade-to: cs:trusty/percona-cluster-21
exposed: false
relations:
cluster:
- mysql
juju-info:
- landscape-client
shared-db:
- cinder
- glance
- keystone
- neutron-api
- neutron-gateway
- nova-cloud-controller
- nova-compute
units:
mysql/0:
agent-state: error
agent-state-info: 'hook failed: "config-changed"'
agent-version: 1.22.1
machine: 2/lxc/0
public-address: 10.10.1.153
subordinates:
landscape-client/10:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.153
neutron-api:
charm: cs:trusty/neutron-api-5
can-upgrade-to: cs:trusty/neutron-api-14
exposed: false
relations:
amqp:
- rabbitmq-server
cluster:
- neutron-api
identity-service:
- keystone
juju-info:
- landscape-client
neutron-api:
- nova-cloud-controller
neutron-plugin-api:
- neutron-openvswitch
shared-db:
- mysql
units:
neutron-api/0:
agent-state: started
agent-version: 1.22.1
machine: 1/lxc/0
open-ports:
- 9696/tcp
public-address: 10.10.1.158
subordinates:
landscape-client/13:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.158
neutron-gateway:
charm: cs:trusty/quantum-gateway-8
can-upgrade-to: cs:trusty/quantum-gateway-16
exposed: false
relations:
amqp:
- rabbitmq-server
cluster:
- neutron-gateway
juju-info:
- landscape-client
- ntp
quantum-network-service:
- nova-cloud-controller
shared-db:
- mysql
units:
neutron-gateway/0:
agent-state: started
agent-version: 1.22.1
machine: "0"
public-address: dumbledor.maas
subordinates:
landscape-client/1:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: dumbledor.maas
ntp/0:
upgrading-from: cs:trusty/ntp-6
agent-state: started
agent-version: 1.22.1
public-address: dumbledor.maas
neutron-openvswitch:
charm: cs:trusty/neutron-openvswitch-1
can-upgrade-to: cs:trusty/neutron-openvswitch-7
exposed: false
relations:
amqp:
- rabbitmq-server
neutron-plugin:
- nova-compute
neutron-plugin-api:
- neutron-api
subordinate-to:
- nova-compute
nova-cloud-controller:
charm: cs:trusty/nova-cloud-controller-50
can-upgrade-to: cs:trusty/nova-cloud-controller-56
exposed: false
relations:
amqp:
- rabbitmq-server
cinder-volume-service:
- cinder
cloud-compute:
- nova-compute
cluster:
- nova-cloud-controller
identity-service:
- keystone
image-service:
- glance
juju-info:
- landscape-client
neutron-api:
- neutron-api
quantum-network-service:
- neutron-gateway
shared-db:
- mysql
units:
nova-cloud-controller/0:
agent-state: started
agent-version: 1.22.1
machine: 2/lxc/1
open-ports:
- 3333/tcp
- 8773/tcp
- 8774/tcp
- 9696/tcp
public-address: 10.10.1.154
subordinates:
landscape-client/17:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.154
nova-compute:
charm: cs:trusty/nova-compute-11
can-upgrade-to: cs:trusty/nova-compute-24
exposed: false
relations:
amqp:
- rabbitmq-server
ceph:
- ceph
cloud-compute:
- nova-cloud-controller
compute-peer:
- nova-compute
image-service:
- glance
juju-info:
- landscape-client
- ntp
neutron-plugin:
- neutron-openvswitch
shared-db:
- mysql
units:
nova-compute/0:
agent-state: error
agent-state-info: 'hook failed: "cloud-compute-relation-changed" for nova-cloud-controller:cloud-compute'
agent-version: 1.22.1
machine: "1"
public-address: malfoy.maas
subordinates:
landscape-client/3:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: malfoy.maas
neutron-openvswitch/0:
upgrading-from: cs:trusty/neutron-openvswitch-1
agent-state: started
agent-version: 1.22.1
public-address: malfoy.maas
ntp/1:
upgrading-from: cs:trusty/ntp-6
agent-state: started
agent-version: 1.22.1
public-address: malfoy.maas
nova-compute/1:
agent-state: error
agent-state-info: 'hook failed: "cloud-compute-relation-changed" for nova-cloud-controller:cloud-compute'
agent-version: 1.22.1
machine: "2"
public-address: voldemort.maas
subordinates:
landscape-client/5:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: voldemort.maas
neutron-openvswitch/1:
upgrading-from: cs:trusty/neutron-openvswitch-1
agent-state: started
agent-version: 1.22.1
public-address: voldemort.maas
ntp/2:
upgrading-from: cs:trusty/ntp-6
agent-state: started
agent-version: 1.22.1
public-address: voldemort.maas
nova-compute/2:
agent-state: started
agent-version: 1.22.1
machine: "3"
public-address: weasley.maas
subordinates:
landscape-client/6:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: weasley.maas
neutron-openvswitch/2:
upgrading-from: cs:trusty/neutron-openvswitch-1
agent-state: started
agent-version: 1.22.1
public-address: weasley.maas
ntp/3:
upgrading-from: cs:trusty/ntp-6
agent-state: started
agent-version: 1.22.1
public-address: weasley.maas
ntp:
charm: cs:trusty/ntp-6
can-upgrade-to: cs:trusty/ntp-8
exposed: false
relations:
juju-info:
- neutron-gateway
- nova-compute
master:
- ntpmaster
subordinate-to:
- neutron-gateway
- nova-compute
ntpmaster:
charm: cs:trusty/ntpmaster-2
exposed: false
relations:
juju-info:
- landscape-client
master:
- ntp
peer:
- ntpmaster
units:
ntpmaster/0:
agent-state: started
agent-version: 1.22.1
machine: 0/lxc/1
open-ports:
- 123/udp
public-address: 10.10.1.151
subordinates:
landscape-client/2:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.151
openstack-dashboard:
charm: cs:trusty/openstack-dashboard-8
can-upgrade-to: cs:trusty/openstack-dashboard-14
exposed: false
relations:
cluster:
- openstack-dashboard
identity-service:
- keystone
juju-info:
- landscape-client
units:
openstack-dashboard/0:
agent-state: started
agent-version: 1.22.1
machine: 1/lxc/1
open-ports:
- 80/tcp
- 443/tcp
public-address: 10.10.1.159
subordinates:
landscape-client/14:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.159
rabbitmq-server:
charm: cs:trusty/rabbitmq-server-24
can-upgrade-to: cs:trusty/rabbitmq-server-32
exposed: false
relations:
amqp:
- cinder
- glance
- neutron-api
- neutron-gateway
- neutron-openvswitch
- nova-cloud-controller
- nova-compute
cluster:
- rabbitmq-server
juju-info:
- landscape-client
units:
rabbitmq-server/0:
agent-state: started
agent-version: 1.22.1
machine: 3/lxc/1
open-ports:
- 5672/tcp
public-address: 10.10.1.161
subordinates:
landscape-client/12:
upgrading-from: cs:trusty/landscape-client-11
agent-state: started
agent-version: 1.22.1
public-address: 10.10.1.161
networks:
maas-eth1:
provider-id: maas-eth1
cidr: 10.10.0.0/16
答案1
我曾见过此问题，当执行 sudo 命令时计算节点无法解析自己的主机名，导致 stderr 输出，从而破坏 nova 和 neutron 之间的大部分命令解析。
您可以通过运行以下命令进行检查：
sudo su -
在任何计算节点上 - 如果您收到“无法解决”类型的消息，这就是问题所在。
这通常表示 MAAS 中的 DNS 设置存在某种配置错误