caoyuan 68a7ef0c59 Update auth_url in install docs

Beginning with the Queens release, the keystone install guide
recommends running all interfaces on the same port. This patch
updates the install guide to reflect that change.

Change-Id: I8bf64e2c47b55512f3ce42da3849911603cbcde0

2018-05-13 00:19:27 +08:00

3.9 KiB

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Install and configure compute node

The compute node handles connectivity and security groups for instances.

Install the components

# zypper install --no-recommends \
  openstack-neutron-linuxbridge-agent bridge-utils

Configure the common component

The Networking common component configuration includes the authentication mechanism, message queue, and plug-in.

Edit the /etc/neutron/neutron.conf file and complete the following actions:
- In the [database] section, comment out any connection options because compute nodes do not directly access the database.
- In the [DEFAULT] section, configure RabbitMQ message queue access:
```
[DEFAULT]
# ...
transport_url = rabbit://openstack:RABBIT_PASS@controller
```
  Replace RABBIT_PASS with the password you chose for the openstack account in RabbitMQ.
- In the [DEFAULT] and [keystone_authtoken] sections, configure Identity service access:
```
[DEFAULT]
# ...
auth_strategy = keystone

[keystone_authtoken]
# ...
www_authenticate_uri = http://controller:5000
auth_url = http://controller:5000
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = neutron
password = NEUTRON_PASS
```
  Replace NEUTRON_PASS with the password you chose for the neutron user in the Identity service.
  
  Note
  
  Comment out or remove any other options in the [keystone_authtoken] section.

Configure networking options

Choose the same networking option that you chose for the controller node to configure services specific to it. Afterwards, return here and proceed to neutron-compute-compute-obs.

compute-install-option1-obs.rst compute-install-option2-obs.rst

Configure the Compute service to use the Networking service

Edit the /etc/nova/nova.conf file and complete the following actions:

In the [neutron] section, configure access parameters:

[neutron]
# ...
url = http://controller:9696
auth_url = http://controller:5000
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = neutron
password = NEUTRON_PASS

Replace NEUTRON_PASS with the password you chose for the neutron user in the Identity service.

Finalize installation

The Networking service initialization scripts expect the variable NEUTRON_PLUGIN_CONF in the /etc/sysconfig/neutron file to reference the ML2 plug-in configuration file. Ensure that the /etc/sysconfig/neutron file contains the following:
```
NEUTRON_PLUGIN_CONF="/etc/neutron/plugins/ml2/ml2_conf.ini"
```

Restart the Compute service:

# systemctl restart openstack-nova-compute.service

Start the Linux Bridge agent and configure it to start when the system boots:

# systemctl enable openstack-neutron-linuxbridge-agent.service
# systemctl start openstack-neutron-linuxbridge-agent.service

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