OpenStack Victoria : Configure Neutron (Control Node)2021/08/31 |
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Configure OpenStack Network Service (Neutron).
This example is not All in One Settings like here, but Configure the 3 Nodes environment like follows.
Neutron needs a plugin software, it's possible to choose it from some softwares. This example chooses ML2 plugin. ( it uses LinuxBridge under the backend )
------------+---------------------------+---------------------------+------------
| | |
eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Network Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | L2 Agent | | Libvirt |
| Memcached httpd | | L3 Agent | | Nova Compute |
| Keystone Glance | | Metadata Agent | | L2 Agent |
| Nova API | | | | |
| Neutron Server | | | | |
| Metadata Agent | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | |
| [2] | Install Neutron Server on Control Node. For questions duruing the installation, it's OK with [No] to all. |
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root@dlp ~(keystone)# apt -y install neutron-server neutron-metadata-agent neutron-plugin-ml2 python3-neutronclient
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| [3] | Configure Neutron Server. |
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root@dlp ~(keystone)# mv /etc/neutron/neutron.conf /etc/neutron/neutron.conf.org
root@dlp ~(keystone)#
vi /etc/neutron/neutron.conf # create new [DEFAULT] core_plugin = ml2 service_plugins = router auth_strategy = keystone state_path = /var/lib/neutron dhcp_agent_notification = True allow_overlapping_ips = True notify_nova_on_port_status_changes = True notify_nova_on_port_data_changes = True # RabbitMQ connection info transport_url = rabbit://openstack:password@10.0.0.30 [agent] root_helper = sudo /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf # Keystone auth info [keystone_authtoken] www_authenticate_uri = http://10.0.0.30:5000 auth_url = http://10.0.0.30:5000 memcached_servers = 10.0.0.30:11211 auth_type = password project_domain_name = default user_domain_name = default project_name = service username = neutron password = servicepassword # MariaDB connection info [database] connection = mysql+pymysql://neutron:password@10.0.0.30/neutron_ml2 # Nova connection info [nova] auth_url = http://10.0.0.30:5000 auth_type = password project_domain_name = default user_domain_name = default region_name = RegionOne project_name = service username = nova password = servicepassword [oslo_concurrency] lock_path = $state_path/tmp chmod 640 /etc/neutron/neutron.conf root@dlp ~(keystone)# chgrp neutron /etc/neutron/neutron.conf
root@dlp ~(keystone)#
vi /etc/neutron/metadata_agent.ini # line 20 : uncomment and specify Nova API server nova_metadata_host = 10.0.0.30
# line 30 : uncomment and specify any secret key you like metadata_proxy_shared_secret = metadata_secret
# line 261 : add to specify Memcache server memcache_servers = 10.0.0.30:11211
root@dlp ~(keystone)#
vi /etc/neutron/plugins/ml2/ml2_conf.ini # line 142 : change mechanism_drivers = linuxbridge
# line 174 : comment out # flat_networks = external
root@dlp ~(keystone)#
vi /etc/nova/nova.conf # add follows into [DEFAULT] section use_neutron = True # add follows to the end : Neutron auth info # the value of [metadata_proxy_shared_secret] is the same with the one in [metadata_agent.ini] [neutron] auth_url = http://10.0.0.30:5000 auth_type = password project_domain_name = default user_domain_name = default region_name = RegionOne project_name = service username = neutron password = servicepassword service_metadata_proxy = True metadata_proxy_shared_secret = metadata_secret ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini root@dlp ~(keystone)# su -s /bin/bash neutron -c "neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini upgrade head" root@dlp ~(keystone)# systemctl restart neutron-api neutron-rpc-server neutron-metadata-agent nova-api root@dlp ~(keystone)# systemctl enable neutron-api neutron-rpc-server neutron-metadata-agent nova-api |
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