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OpenStack Mitaka : Configure Neutron#2 (Network Node)
2016/05/28 |
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Configure OpenStack Network Service (Neutron).
For this example, Install Neutron Server on Control Node which Keystone/Glance/Nova API are already installed,
and Install DHCP Agent, L3 Agent, L2 Agent, Metadata Agent on Network Node, and also Install L2 Agent on Compute Node on here.
( it's possible to install on a server as All-in-One, though, if you want )
Neutron needs a plugin software, it's possible to choose it from some softwares. This example chooses ML2 plugin.
( this example selects LinuxBridge as a backend for the plugin )
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+------------------+ | +------------------------+
| [ Control Node ] | | | [ Network Node ] |
| Keystone |10.0.0.30 | 10.0.0.50| DHCP Agent |
| Glance |------------+------------| L3 Agent |
| Nova API |eth0 | eth0| L2 Agent |
| Neutron Server | | | Metadata Agent |
+------------------+ | +------------------------+
eth0|10.0.0.51
+--------------------+
| [ Compute Node ] |
| Nova Compute |
| L2 Agent |
+--------------------+
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Configure Network Node on here.
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| [1] | Change Kernel parameters for IP fowarding and so on. |
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root@network:~# echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf root@network:~# echo 'net.ipv4.conf.default.rp_filter=0' >> /etc/sysctl.conf root@network:~# echo 'net.ipv4.conf.all.rp_filter=0' >> /etc/sysctl.conf root@network:~# sysctl -p |
| [2] | Install some packages for Network Node. |
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root@network:~# apt-get -y install neutron-plugin-ml2 neutron-plugin-linuxbridge-agent neutron-l3-agent neutron-dhcp-agent neutron-metadata-agent python-neutronclient
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| [3] | 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 rpc_backend = rabbit [agent] root_helper = sudo /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf # 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 = neutron password = servicepassword [oslo_concurrency] lock_path = $state_path/lock # RabbitMQ connection info [oslo_messaging_rabbit] rabbit_host = 10.0.0.30 rabbit_port = 5672 rabbit_userid = openstack rabbit_password = password chmod 640 /etc/neutron/neutron.conf root@network:~# chgrp neutron /etc/neutron/neutron.conf
root@network:~#
vi /etc/neutron/l3_agent.ini # line 24: add
interface_driver = neutron.agent.linux.interface.BridgeInterfaceDriver
# line 110: add (it's OK with no value (set later if need) ) external_network_bridge =
root@network:~#
vi /etc/neutron/dhcp_agent.ini # line 24: add
interface_driver = neutron.agent.linux.interface.BridgeInterfaceDriver
# line 39: uncomment dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq # line 48: uncomment and change enable_isolated_metadata = True
root@network:~#
vi /etc/neutron/metadata_agent.ini # line 22: uncomment and specify Nova API server nova_metadata_ip = 10.0.0.30
# line 27: uncomment nova_metadata_port = 8775 # line 34: uncomment and specify any secret-words you like metadata_proxy_shared_secret = metadata_secret
root@network:~#
vi /etc/neutron/plugins/ml2/ml2_conf.ini # line 100: add ( it's OK with no value for "tenant_network_types" (set later if need) ) [ml2]
type_drivers = flat,vlan,vxlan
tenant_network_types = mechanism_drivers = linuxbridge,l2population extension_drivers = port_security # line 233: uncomment and add enable_security_group = True firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver
# bottom line: uncomment enable_ipset = True ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini root@network:~# for service in l3-agent dhcp-agent metadata-agent linuxbridge-agent; do
systemctl restart neutron-$service systemctl enable neutron-$service done |