OpenStack Rocky : Configure Neutron#4 (Network Node)2018/10/19 |
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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] | Install some packages for Network Node. |
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root@network:~# apt -y install neutron-plugin-ml2 neutron-linuxbridge-agent neutron-l3-agent neutron-dhcp-agent neutron-metadata-agent python-neutronclient
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| [2] | Configure as a Network node. |
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root@network:~# mv /etc/neutron/neutron.conf /etc/neutron/neutron.conf.org
root@network:~#
vi /etc/neutron/neutron.conf # create new [DEFAULT] core_plugin = ml2 service_plugins = router auth_strategy = keystone state_path = /var/lib/neutron allow_overlapping_ips = 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 [oslo_concurrency] lock_path = $state_path/lock chmod 640 /etc/neutron/neutron.conf root@network:~# chgrp neutron /etc/neutron/neutron.conf
root@network:~#
vi /etc/neutron/l3_agent.ini # line 17: add
interface_driver = linuxbridge
root@network:~#
vi /etc/neutron/dhcp_agent.ini # line 17: add
interface_driver = linuxbridge
# line 28: uncomment dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq # line 37: uncomment and change enable_isolated_metadata = true
root@network:~#
vi /etc/neutron/metadata_agent.ini # line 22: uncomment and specify Nova API server nova_metadata_host = 10.0.0.30
# line 34: uncomment and specify any secret-words you like metadata_proxy_shared_secret = metadata_secret
root@network:~#
vi /etc/neutron/plugins/ml2/ml2_conf.ini # line 129: add ( it's OK with no value for [tenant_network_types] (set later if need) ) [ml2]
type_drivers = flat,vlan,vxlan
tenant_network_types = mechanism_drivers = linuxbridge,l2population extension_drivers = port_security
root@network:~#
vi /etc/neutron/plugins/ml2/linuxbridge_agent.ini # line 182: add [securitygroup]
enable_security_group = True
firewall_driver = iptables enable_ipset = True # line 235: set own IP address local_ip = 10.0.0.50 ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini root@network:~# for service in l3-agent dhcp-agent metadata-agent linuxbridge-agent; do
systemctl restart neutron-$service systemctl enable neutron-$service done |
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