OpenStack Newton : Configure Nova#22017/07/02

Install and Configure OpenStack Compute Service (Nova).

This example is based on the environment like follows.

                  eth0|10.0.0.30 
          +-----------+-----------+
          |    [ Control Node ]   |
          |                       |
          |  MariaDB    RabbitMQ  |
          |  Memcached  httpd     |
          |  Keystone   Glance    |
          |  Nova API             |
          +-----------------------+

[1]	Install Nova services. For selection during the installation, select [No] to all or input any value (because create a new conf file later).

root@dlp ~(keystone)#

apt -y install nova-api nova-cert nova-conductor nova-consoleauth nova-scheduler nova-novncproxy python-novaclient

[2]	Configure Nova.

root@dlp ~(keystone)#

mv /etc/nova/nova.conf /etc/nova/nova.conf.org

root@dlp ~(keystone)#

vi /etc/nova/nova.conf

# create new

[DEFAULT]
# define own IP
my_ip = 10.0.0.30
state_path = /var/lib/nova
enabled_apis = osapi_compute,metadata
log_dir = /var/log/nova
# RabbitMQ connection info
transport_url = rabbit://openstack:password@10.0.0.30

[api]
auth_strategy = keystone

# Glance connection info
[glance]
api_servers = http://10.0.0.30:9292

[oslo_concurrency]
lock_path = $state_path/tmp

# MariaDB connection info
[api_database]
connection = mysql+pymysql://nova:password@10.0.0.30/nova_api

[database]
connection = mysql+pymysql://nova:password@10.0.0.30/nova

# Keystone auth info
[keystone_authtoken]
auth_uri = http://10.0.0.30:5000
auth_url = http://10.0.0.30:35357
memcached_servers = 10.0.0.30:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = servicepassword

[wsgi]
api_paste_config = /etc/nova/api-paste.ini

root@dlp ~(keystone)#

chmod 640 /etc/nova/nova.conf

root@dlp ~(keystone)#

chgrp nova /etc/nova/nova.conf

[3]	Add Data into Database and start Nova services.

root@dlp ~(keystone)#

su -s /bin/bash nova -c "nova-manage api_db sync"

root@dlp ~(keystone)#

su -s /bin/bash nova -c "nova-manage db sync"

root@dlp ~(keystone)#

for service in api conductor scheduler cert consoleauth novncproxy; do
systemctl restart nova-$service
systemctl enable nova-$service
done

# show status

root@dlp ~(keystone)#

openstack compute service list

+----+------------------+---------------+----------+---------+-------+----------------------------+
| ID | Binary           | Host          | Zone     | Status  | State | Updated At                 |
+----+------------------+---------------+----------+---------+-------+----------------------------+
|  1 | nova-scheduler   | dlp.srv.world | internal | enabled | up    | 2017-06-30T08:41:02.000000 |
|  3 | nova-conductor   | dlp.srv.world | internal | enabled | up    | 2017-06-30T08:41:08.000000 |
|  9 | nova-consoleauth | dlp.srv.world | internal | enabled | up    | 2017-06-30T08:41:02.000000 |
| 10 | nova-cert        | dlp.srv.world | internal | enabled | up    | 2017-06-30T08:41:02.000000 |
+----+------------------+---------------+----------+---------+-------+----------------------------+

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