Unable to establish connection to tokens

安装openstack后遇到的第一个问题。

执行命令nova list得到如下结果：

[root@localhost ~(keystone_admin)]# nova list

No handlers could be found for logger "keystoneauth.identity.generic.base"

ERROR (ConnectFailure): Unable to establish connection to http://10.20.0.14:5000/v2.0/tokens

猜测可能是keystone没有开启

查看service的状况

1.[root@localhost ~(keystone_admin)]# openstack-status

== Nova services ==

openstack-nova-api: active

openstack-nova-compute: active

openstack-nova-network: inactive (disabled on boot)

openstack-nova-scheduler: active

openstack-nova-cert: active

openstack-nova-conductor: active

openstack-nova-console: inactive (disabled on boot)

openstack-nova-consoleauth: active

openstack-nova-xvpvncproxy: inactive (disabled on boot)

== Glance services ==

openstack-glance-api: active

openstack-glance-registry: active

== Keystone service ==

openstack-keystone: inactive (disabled on boot)

== Horizon service ==

openstack-dashboard: uncontactable

== neutron services ==

neutron-server: failed

neutron-dhcp-agent: active

neutron-l3-agent: active

neutron-metadata-agent: active

neutron-openvswitch-agent: active

neutron-metering-agent: active

== Swift services ==

openstack-swift-proxy: active

openstack-swift-account: active

openstack-swift-container: active

openstack-swift-object: active

== Cinder services ==

openstack-cinder-api: active

openstack-cinder-scheduler: active

openstack-cinder-volume: active

openstack-cinder-backup: active

== Ceilometer services ==

openstack-ceilometer-api: inactive (disabled on boot)

openstack-ceilometer-central: active

openstack-ceilometer-compute: active

openstack-ceilometer-collector: active

openstack-ceilometer-notification: active

== Heat services ==

openstack-heat-api: active

openstack-heat-api-cfn: inactive (disabled on boot)

openstack-heat-api-cloudwatch: inactive (disabled on boot)

openstack-heat-engine: active

== Support services ==

mysqld: inactive (disabled on boot)

openvswitch: active

dbus: active

target: active

rabbitmq-server: active

memcached: active

== Keystone users ==

/usr/lib/python2.7/site-packages/keystoneclient/shell.py:64: DeprecationWarning: The keystone CLI is deprecated in favor of python-openstackclient. For a Python library, continue using python-keystoneclient.

'python-keystoneclient.', DeprecationWarning)

/usr/lib/python2.7/site-packages/keystoneclient/v2_0/client.py:145: DeprecationWarning: Constructing an instance of the keystoneclient.v2_0.client.Client class without a session is deprecated as of the 1.7.0 release and may be removed in the 2.0.0 release.

'the 2.0.0 release.', DeprecationWarning)

/usr/lib/python2.7/site-packages/keystoneclient/v2_0/client.py:147: DeprecationWarning: Using the 'tenant_name' argument is deprecated in version '1.7.0' and will be removed in version '2.0.0', please use the 'project_name' argument instead

super(Client, self).__init__(**kwargs)

/usr/lib/python2.7/site-packages/debtcollector/renames.py:45: DeprecationWarning: Using the 'tenant_id' argument is deprecated in version '1.7.0' and will be removed in version '2.0.0', please use the 'project_id' argument instead

return f(*args, **kwargs)

/usr/lib/python2.7/site-packages/keystoneclient/httpclient.py:371: DeprecationWarning: Constructing an HTTPClient instance without using a session is deprecated as of the 1.7.0 release and may be removed in the 2.0.0 release.

'the 2.0.0 release.', DeprecationWarning)

/usr/lib/python2.7/site-packages/keystoneclient/session.py:140: DeprecationWarning: keystoneclient.session.Session is deprecated as of the 2.1.0 release in favor of keystoneauth1.session.Session. It will be removed in future releases.

DeprecationWarning)

/usr/lib/python2.7/site-packages/keystoneclient/auth/identity/base.py:56: DeprecationWarning: keystoneclient auth plugins are deprecated as of the 2.1.0 release in favor of keystoneauth1 plugins. They will be removed in future releases.

'in future releases.', DeprecationWarning)

Authorization Failed: Unable to establish connection to http://10.20.0.14:5000/v2.0/tokens

== Glance images ==

Unable to establish connection to http://10.20.0.14:5000/v2.0/tokens

== Nova managed services ==

No handlers could be found for logger "keystoneauth.identity.generic.base"

ERROR (ConnectFailure): Unable to establish connection to http://10.20.0.14:5000/v2.0/tokens

== Nova networks ==

No handlers could be found for logger "keystoneauth.identity.generic.base"

ERROR (ConnectFailure): Unable to establish connection to http://10.20.0.14:5000/v2.0/tokens

== Nova instance flavors ==

No handlers could be found for logger "keystoneauth.identity.generic.base"

ERROR (ConnectFailure): Unable to establish connection to http://10.20.0.14:5000/v2.0/tokens

== Nova instances ==

No handlers could be found for logger "keystoneauth.identity.generic.base"

ERROR (ConnectFailure): Unable to establish connection to http://10.20.0.14:5000/v2.0/tokens

红色部分确定是keyston没有启动。

运行命令启动

启动keystone：

systemctl start openstack-keystone

问题解决！

巴特西

Unable to establish connection to tokens

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