Ubuntu 14.04
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OpenStack Mitaka : Configure Nova2016/04/20
 
Install and Configure OpenStack Compute Service (Nova).
[1] Add users and others for Nova in Keystone.
# add nova user (set in service project)

root@dlp:~#
openstack user create --domain default --project service --password servicepassword nova 

+--------------------+----------------------------------+
| Field              | Value                            |
+--------------------+----------------------------------+
| default_project_id | 0aa29b9e087e44358ca8a598b4ef39b4 |
| domain_id          | e547aee8ce3a44958e7a53b32f2bd0ae |
| enabled            | True                             |
| id                 | ef694c8c3100464fbac4d89c103044e0 |
| name               | nova                             |
+--------------------+----------------------------------+
# add nova user in admin role

root@dlp:~#
openstack role add --project service --user nova admin
# add service entry for nova

root@dlp:~#
openstack service create --name nova --description "OpenStack Compute service" compute 

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Compute service        |
| enabled     | True                             |
| id          | 60d5f6a3237f4d58882da61152ca8f31 |
| name        | nova                             |
| type        | compute                          |
+-------------+----------------------------------+
# define keystone host

root@dlp:~#
export controller=10.0.0.30
# add endpoint for nova (public)

root@dlp:~#
openstack endpoint create --region RegionOne compute public http://$controller:8774/v2/%\(tenant_id\)s 

+--------------+------------------------------------------+
| Field        | Value                                    |
+--------------+------------------------------------------+
| enabled      | True                                     |
| id           | e8d9ba17ae4949ae8eaa1ce666d321a9         |
| interface    | public                                   |
| region       | RegionOne                                |
| region_id    | RegionOne                                |
| service_id   | 60d5f6a3237f4d58882da61152ca8f31         |
| service_name | nova                                     |
| service_type | compute                                  |
| url          | http://10.0.0.30:8774/v2/%(tenant_id)s   |
+--------------+------------------------------------------+
# add endpoint for nova (internal)

root@dlp:~#
openstack endpoint create --region RegionOne compute internal http://$controller:8774/v2/%\(tenant_id\)s 

+--------------+------------------------------------------+
| Field        | Value                                    |
+--------------+------------------------------------------+
| enabled      | True                                     |
| id           | b43385df804f45ebb182da7c5ffe65da         |
| interface    | internal                                 |
| region       | RegionOne                                |
| region_id    | RegionOne                                |
| service_id   | 60d5f6a3237f4d58882da61152ca8f31         |
| service_name | nova                                     |
| service_type | compute                                  |
| url          | http://10.0.0.30:8774/v2/%(tenant_id)s   |
+--------------+------------------------------------------+
# add endpoint for nova (admin)

root@dlp:~#
openstack endpoint create --region RegionOne compute admin http://$controller:8774/v2/%\(tenant_id\)s 

+--------------+------------------------------------------+
| Field        | Value                                    |
+--------------+------------------------------------------+
| enabled      | True                                     |
| id           | 04783824525b446f85e9139e5b0d6d98         |
| interface    | admin                                    |
| region       | RegionOne                                |
| region_id    | RegionOne                                |
| service_id   | 60d5f6a3237f4d58882da61152ca8f31         |
| service_name | nova                                     |
| service_type | compute                                  |
| url          | http://10.0.0.30:8774/v2/%(tenant_id)s   |
+--------------+------------------------------------------+
[2] Install Nova.
root@dlp:~#
apt-get -y install nova-api nova-cert nova-conductor nova-consoleauth nova-objectstore nova-scheduler nova-novncproxy nova-compute-kvm python-novaclient
[3] Add a User and Database on MariaDB for Nova.
root@dlp:~#
mysql -u root -p 

Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 42
Server version: 5.5.46-MariaDB-1ubuntu0.14.04.2 (Ubuntu)

Copyright (c) 2000, 2015, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]>
create database nova;

Query OK, 1 row affected (0.00 sec)
MariaDB [(none)]>
create database nova_api;

Query OK, 1 row affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on nova.* to nova@'localhost' identified by 'password';

Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on nova.* to nova@'%' identified by 'password';

Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on nova_api.* to nova@'localhost' identified by 'password';

Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on nova_api.* to nova@'%' identified by 'password';

Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
flush privileges;

Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
exit

Bye
[4] Configure Nova.
root@dlp:~#
mv /etc/nova/nova.conf /etc/nova/nova.conf.org

root@dlp:~#
vi /etc/nova/nova.conf
# create new

[DEFAULT]
# define own IP

my_ip = 10.0.0.30
# add if not need IPv6

use_ipv6 = false
state_path = /var/lib/nova
enabled_apis = osapi_compute,metadata
osapi_compute_listen = 0.0.0.0
osapi_compute_listen_port = 8774
rootwrap_config = /etc/nova/rootwrap.conf
api_paste_config = /etc/nova/api-paste.ini
auth_strategy = keystone
log_dir = /var/log/nova
scheduler_driver = nova.scheduler.filter_scheduler.FilterScheduler
rpc_backend = rabbit
# enable VNC

[vnc]
enabled = True
vncserver_listen = 0.0.0.0
vncserver_proxyclient_address = $my_ip
novncproxy_base_url = http://10.0.0.30:6080/vnc_auto.html
# specify Glance server

[glance]
api_servers = http://10.0.0.30:9292
[oslo_concurrency]
lock_path = /var/lib/nova/tmp
# specify RabbitMQ server connection info

[oslo_messaging_rabbit]
rabbit_host = 10.0.0.30
rabbit_port = 5672
rabbit_userid = openstack
rabbit_password = password
# specify MariaDB server 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
# specify Keystone server 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
root@dlp:~#
chmod 640 /etc/nova/nova.conf

root@dlp:~#
chgrp nova /etc/nova/nova.conf

[5] Configure Networking.
The follows is for the case you use legacy nova-network function.
root@dlp:~#
apt-get -y install nova-network

root@dlp:~#
echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf

root@dlp:~#
sysctl -p

net.ipv4.ip_forward = 1
root@dlp:~#
vi /etc/nova/nova.conf
# add follows in [DEFAULT] section

use_neutron = False
dhcpbridge_flagfile = /etc/nova/nova.conf
dhcpbridge = /usr/bin/nova-dhcpbridge
force_dhcp_release = True
libvirt_use_virtio_for_bridges = True
libvirt_vif_driver = nova.virt.libvirt.vif.LibvirtGenericVIFDriver
linuxnet_interface_driver = nova.network.linux_net.LinuxBridgeInterfaceDriver
firewall_driver = nova.virt.libvirt.firewall.IptablesFirewallDriver
network_manager = nova.network.manager.FlatDHCPManager
network_size = 254
allow_same_net_traffic = False
multi_host = True
send_arp_for_ha = True
share_dhcp_address = True
force_dhcp_release = True
# specify nic for public

public_interface = eth0
# specify any name you like for bridge

flat_network_bridge = br100
# specify nic for flat DHCP bridge

flat_interface = eth1
[6] Start Nova Service.
If you don't use legacy nova-network, exclude the word "network" below.
root@dlp:~#
su -s /bin/bash nova -c "nova-manage api_db sync"

root@dlp:~#
su -s /bin/bash nova -c "nova-manage db sync"

root@dlp:~#
for service in api conductor scheduler cert consoleauth compute novncproxy network; do
initctl restart nova-$service
done
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