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OpenStack Mitaka : Configure Neutron#3 (Compute Node)
2016/04/28 |
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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. ( it uses Open vSwitch under the backend )
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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 Compute Node on here.
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| [1] | Change the kernel parameters for rp_filter. |
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[root@node01 ~]# echo 'net.ipv4.conf.default.rp_filter=0' >> /etc/sysctl.conf [root@node01 ~]# echo 'net.ipv4.conf.all.rp_filter=0' >> /etc/sysctl.conf [root@node01 ~]# sysctl -p |
| [2] | Install some packages for Compute Node. |
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[root@node01 ~]# yum --enablerepo=centos-openstack-mitaka,epel -y install openstack-neutron openstack-neutron-ml2 openstack-neutron-openvswitch
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| [3] | Configure as a Compute node. |
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[root@node01 ~]# mv /etc/neutron/neutron.conf /etc/neutron/neutron.conf.org
[root@node01 ~]#
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@node01 ~]# chgrp neutron /etc/neutron/neutron.conf
[root@node01 ~]#
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,gre,vxlan
tenant_network_types = mechanism_drivers = openvswitch,l2population extension_drivers = port_security # line 233: uncomment & add enable_security_group = True firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
# end line: uncomment enable_ipset = True ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini
[root@node01 ~]#
vi /etc/nova/nova.conf # add follows into [DEFAULT] section
use_neutron = True
linuxnet_interface_driver = nova.network.linux_net.LinuxOVSInterfaceDriver
firewall_driver = nova.virt.firewall.NoopFirewallDriver
vif_plugging_is_fatal = True
vif_plugging_timeout = 300
# add follows to the end: Neutron auth info
[neutron]
url = http://10.0.0.30:9696
auth_url = http://10.0.0.30:35357
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
systemctl start openvswitch [root@node01 ~]# systemctl enable openvswitch [root@node01 ~]# ovs-vsctl add-br br-int [root@node01 ~]# systemctl restart openstack-nova-compute openstack-nova-metadata-api [root@node01 ~]# systemctl start neutron-openvswitch-agent [root@node01 ~]# systemctl enable neutron-openvswitch-agent |