OpenStack Juno : Configure Nova
2015/01/03 |
Install and Configure OpenStack Compute Service (Nova).
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[1] | Install Nova. |
[root@dlp ~]# yum -y install openstack-nova
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[2] | 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 19 Server version: 10.0.13-MariaDB-wsrep MariaDB Server, wsrep_25.10.r4123 Copyright (c) 2000, 2014, Oracle, SkySQL 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)]>
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)]>
MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec) exit Bye |
[3] | Configure Nova. |
[root@dlp ~]# mv /etc/nova/nova.conf /etc/nova/nova.conf.org
[root@dlp ~]#
vi /etc/nova/nova.conf # create new [DEFAULT] # RabbitMQ server's hostname or IP rabbit_host=10.0.0.30 rabbit_port=5672 # RabbitMQ server's User for auth rabbit_userid=guest # RabbitMQ server's password of the User above rabbit_password=password notification_driver=nova.openstack.common.notifier.rpc_notifier rpc_backend=rabbit # define own IP my_ip=10.0.0.30 # add it if not need IPv6 use_ipv6=false state_path=/var/lib/nova enabled_apis=ec2,osapi_compute,metadata osapi_compute_listen=0.0.0.0 osapi_compute_listen_port=8774 rootwrap_config=/etc/nova/rootwrap.conf api_paste_config=api-paste.ini auth_strategy=keystone # Glance server's hostname or IP glance_host=10.0.0.30 glance_port=9292 glance_protocol=http lock_path=/var/lib/nova/tmp log_dir=/var/log/nova # Memcached server's hostname or IP memcached_servers=10.0.0.30:11211 scheduler_driver=nova.scheduler.filter_scheduler.FilterScheduler
[database]
# connection info for MariaDB ( the "password" is the one you inputed with "openstack-db" command ) connection=mysql://nova:password@10.0.0.30/nova
[keystone_authtoken]
# Keystone server's hostname or IP auth_host=10.0.0.30 auth_port=35357 auth_protocol=http auth_version=v2.0 admin_user=nova # Nova user's password added in Keystone admin_password=servicepassword admin_tenant_name=service signing_dir=/var/lib/nova/keystone-signing chmod 640 /etc/nova/nova.conf [root@dlp ~]# chgrp nova /etc/nova/nova.conf |
[3] | Configure Networking. The follows is for the case you use legacy nova-networking function. |
[root@dlp ~]#
vi /etc/nova/nova.conf # add follows in [DEFAULT] section network_driver=nova.network.linux_net libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtGenericVIFDriver linuxnet_interface_driver=nova.network.linux_net.LinuxBridgeInterfaceDriver firewall_driver=nova.virt.libvirt.firewall.IptablesFirewallDriver network_api_class=nova.network.api.API security_group_api=nova 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=eno16777736 # specify any name you like for bridge flat_network_bridge=br100 # specify nic for flat DHCP bridge flat_interface=dummy0 # add a dummy interface which is for the flat DHCP bridge
[root@dlp ~]#
[root@dlp ~]# cat > /etc/sysconfig/network-scripts/ifcfg-dummy0 <<EOF
DEVICE=dummy0 BOOTPROTO=none ONBOOT=yes TYPE=Ethernet NM_CONTROLLED=no EOF echo "alias dummy0 dummy" > /etc/modprobe.d/dummy.conf [root@dlp ~]# ifup dummy0 |
[4] | Start Nova Service. If you don't use legacy nova-network, exclude the word "network" below. |
[root@dlp ~]# nova-manage db sync
[root@dlp ~]#
for service in api objectstore conductor scheduler cert consoleauth compute network; do
systemctl start openstack-nova-$service systemctl enable openstack-nova-$service done # display status [root@dlp ~]# nova-manage service list Binary Host Zone Status State Updated_At nova-conductor dlp.srv.world internal enabled :-) 2015-01-05 16:13:14 nova-scheduler dlp.srv.world internal enabled :-) 2015-01-05 16:13:15 nova-cert dlp.srv.world internal enabled :-) 2015-01-05 16:13:06 nova-consoleauth dlp.srv.world internal enabled :-) 2015-01-05 16:13:07 nova-compute dlp.srv.world nova enabled :-) 2015-01-05 16:13:08 nova-network dlp.srv.world internal enabled :-) 2015-01-05 16:13:09 |