OpenStack Bobcat : Neutron 設定 (Compute ノード)2023/10/24 |
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OpenStack Network Service（Neutron）の設定です。
当例では All in One 構成ではなく、以下のようにノードを役割ごとに分離した 3 ノード構成で設定します。
なお、Neutron はプラグイン方式で、プラグインとして利用するソフトウェアを選択する必要があります。 当例では ML2 プラグインを選択して設定します。( バックエンドは Open vSwitch を選択 )
------------+--------------------------+--------------------------+------------
| | |
eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ dlp.srv.world ] | | [ network.srv.world ] | | [ node01.srv.world ] |
| (Control Node) | | (Network Node) | | (Compute Node) |
| | | | | |
| MariaDB RabbitMQ | | Neutron L2/L3 Agent | | Libvirt |
| Memcached Nginx | | Neutron Metadata | | Nova Compute |
| Keystone httpd | | Open vSwitch | | Neutron L2 Agent |
| Glance Nova API | | | | Open vSwitch |
| Neutron Server | | | | |
| Neutron Metadata | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Compute ノードに必要なパッケージをインストールします。 |
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[root@node01 ~]# dnf --enablerepo=centos-openstack-bobcat,epel,crb -y install openstack-neutron openstack-neutron-ml2 openstack-neutron-openvswitch
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| [2] | Compute ノードの Neutron サービスの設定です。 |
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[root@node01 ~]# mv /etc/neutron/neutron.conf /etc/neutron/neutron.conf.org
[root@node01 ~]#
vi /etc/neutron/neutron.conf # 新規作成 [DEFAULT] core_plugin = ml2 service_plugins = router auth_strategy = keystone state_path = /var/lib/neutron allow_overlapping_ips = True # RabbitMQ 接続情報 transport_url = rabbit://openstack:password@dlp.srv.world # Keystone 認証情報 [keystone_authtoken] www_authenticate_uri = https://dlp.srv.world:5000 auth_url = https://dlp.srv.world:5000 memcached_servers = dlp.srv.world:11211 auth_type = password project_domain_name = default user_domain_name = default project_name = service username = neutron password = servicepassword # httpd Keystone で自己署名の証明書を使用の場合は [true] insecure = false [oslo_concurrency] lock_path = $state_path/lock [oslo_policy] enforce_new_defaults = true
[root@node01 ~]#
chmod 640 /etc/neutron/neutron.conf [root@node01 ~]# chgrp neutron /etc/neutron/neutron.conf
[root@node01 ~]#
vi /etc/neutron/plugins/ml2/ml2_conf.ini # 最終行に追記 # [tenant_network_types] の値はブランクで OK (後ほど必要な時にセット)
[ml2]
type_drivers = flat,vlan,gre,vxlan tenant_network_types = mechanism_drivers = openvswitch extension_drivers = port_security,qos
[root@node01 ~]#
vi /etc/neutron/plugins/ml2/openvswitch_agent.ini # 最終行に追記
[securitygroup]
firewall_driver = openvswitch enable_security_group = true enable_ipset = true
[root@node01 ~]#
vi /etc/nova/nova.conf # [DEFAULT] セクション内の適当な場所へ追記
vif_plugging_is_fatal = True
vif_plugging_timeout = 300
# 最終行へ追記 : Neutron 認証情報
# [metadata_proxy_shared_secret] の値は [metadata_agent.ini] で指定した値
[neutron]
auth_url = https://dlp.srv.world:5000
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
insecure = false
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| [3] | SELinux を有効にしている場合は、ポリシーの変更が必要です。 |
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[root@node01 ~]# dnf --enablerepo=centos-openstack-bobcat -y install openstack-selinux [root@node01 ~]# setsebool -P neutron_can_network on [root@node01 ~]# setsebool -P daemons_enable_cluster_mode on
[root@node01 ~]#
vi ovsofctl.te # 以下の内容で新規作成
module ovsofctl 1.0;
require {
type crontab_exec_t;
type hostname_exec_t;
type openflow_port_t;
type keepalived_exec_t;
type neutron_t;
type pasta_exec_t;
type gpg_exec_t;
type neutron_tmp_t;
type neutron_exec_t;
type neutron_t;
type dnsmasq_t;
type tracefs_t;
type openvswitch_load_module_t;
type openvswitch_t;
type ovsdb_port_t;
type cache_home_t;
class file { create execute_no_trans getattr ioctl open write };
class dir { search create };
class lnk_file read;
class sock_file { create unlink write };
class tcp_socket name_bind;
class capability { dac_override sys_rawio };
}
#============= neutron_t ==============
allow neutron_t self:capability { dac_override sys_rawio };
allow neutron_t neutron_exec_t:file execute_no_trans;
allow neutron_t crontab_exec_t:file getattr;
allow neutron_t gpg_exec_t:file getattr;
allow neutron_t hostname_exec_t:file getattr;
allow neutron_t keepalived_exec_t:file getattr;
allow neutron_t neutron_tmp_t:sock_file { create unlink write };
allow neutron_t openflow_port_t:tcp_socket name_bind;
allow neutron_t pasta_exec_t:lnk_file read;
allow neutron_t cache_home_t:dir create;
allow neutron_t cache_home_t:file { create getattr ioctl open write };
#============= openvswitch_load_module_t ==============
allow openvswitch_load_module_t tracefs_t:dir search;
#============= openvswitch_t ==============
allow openvswitch_t ovsdb_port_t:tcp_socket name_bind;
#============= dnsmasq_t ==============
allow dnsmasq_t self:capability dac_override;
checkmodule -m -M -o ovsofctl.mod ovsofctl.te [root@node01 ~]# semodule_package --outfile ovsofctl.pp --module ovsofctl.mod [root@node01 ~]# semodule -i ovsofctl.pp |
| [4] | Neutron サービスを起動します。 |
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[root@node01 ~]# ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini [root@node01 ~]# systemctl enable --now openvswitch [root@node01 ~]# ovs-vsctl add-br br-int [root@node01 ~]# systemctl restart openstack-nova-compute [root@node01 ~]# systemctl enable --now neutron-openvswitch-agent |
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