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OpenStack Ocata : Configure Neutron#5 (Compute Node)
2017/02/28 |
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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 Open vSwitch 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 | | Open vSwitch | | Libvirt |
| Memcached httpd | | L2,L3,Metadata Agent | | Nova Compute |
| Keystone Glance | | | | Open vSwitch |
| Nova API | | | | L2 Agent |
| Neutron Server | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Install Neutron services on Compute Node. |
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[root@node01 ~]# yum --enablerepo=centos-openstack-ocata,epel -y install openstack-neutron openstack-neutron-ml2 openstack-neutron-openvswitch
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| [2] | 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 # RabbitMQ connection info transport_url = rabbit://openstack:password@10.0.0.30 # 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 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 114: 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 247: uncomment and add enable_security_group = True firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
# end line: uncomment enable_ipset = True
[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 # the value of metadata_proxy_shared_secret is the same with the one in metadata_agent.ini [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 |
| [3] | If SELinux is enabled, change policy like follows. |
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[root@node01 ~]# setsebool -P neutron_can_network on
[root@node01 ~]#
vi neutron-compute_pol.te # create new
module neutron-compute_pol 1.0;
require {
type neutron_t;
type neutron_tmp_t;
type hostname_exec_t;
type ovsdb_port_t;
type openvswitch_t;
type openflow_port_t;
class dir search;
class file { execute execute_no_trans getattr open read };
class sock_file { create write unlink getattr setattr };
class tcp_socket { name_bind name_connect };
}
#============= neutron_t ==============
allow neutron_t neutron_tmp_t:sock_file { create write getattr unlink setattr };
allow neutron_t openflow_port_t:tcp_socket name_bind;
#============= openvswitch_t ==============
allow openvswitch_t neutron_t:file { getattr open read };
allow openvswitch_t ovsdb_port_t:tcp_socket name_bind;
allow openvswitch_t hostname_exec_t:file { execute execute_no_trans getattr open read };
allow openvswitch_t neutron_t:dir search;
checkmodule -m -M -o neutron-compute_pol.mod neutron-compute_pol.te checkmodule: loading policy configuration from neutron-compute_pol.te checkmodule: policy configuration loaded checkmodule: writing binary representation (version 17) to neutron-compute_pol.mod [root@node01 ~]# semodule_package --outfile neutron-compute_pol.pp --module neutron-compute_pol.mod [root@node01 ~]# semodule -i neutron-compute_pol.pp |
| [4] | Start Neutron services. |
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[root@node01 ~]# ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini [root@node01 ~]# systemctl start openvswitch [root@node01 ~]# systemctl enable openvswitch [root@node01 ~]# ovs-vsctl add-br br-int [root@node01 ~]# systemctl restart openstack-nova-compute [root@node01 ~]# systemctl start neutron-openvswitch-agent [root@node01 ~]# systemctl enable neutron-openvswitch-agent |