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OpenStack Newton : Configure Neutron#5 ( Compute Node )
2017/07/03 |
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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 | | | | L2 Agent |
| Nova API | | | | |
| Neutron Server | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Change the kernel parameters for rp_filter. |
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root@node01:~# modprobe br_netfilter root@node01:~# echo br_netfilter >> /etc/modules 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:~# echo 'net.bridge.bridge-nf-call-iptables=1' >> /etc/sysctl.conf root@node01:~# echo 'net.bridge.bridge-nf-call-ip6tables=1' >> /etc/sysctl.conf root@node01:~# sysctl -p |
| [2] | Install Neutron services for Compute Node. For selection during the installation, select [No] to all or input any value (because create a new conf file later). |
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root@node01:~# apt -y install neutron-common neutron-plugin-openvswitch-agent
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| [3] | Configure 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 [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 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 90: change type_drivers = flat,vlan,vxlan
# line 94: change (set empty now) tenant_network_types = 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 # 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
root@node01:~#
vi /etc/neutron/plugins/ml2/openvswitch_agent.ini # line 99: comment out # tunnel_types = gre
# line 174: add own IP address local_ip = 10.0.0.51 # line 180: change (set empty now) bridge_mappings = ovs-vsctl add-br br-int root@node01:~# systemctl restart nova-compute neutron-openvswitch-agent root@node01:~# systemctl enable neutron-openvswitch-agent |