openstack部署（四）-计算节点（Networking）

32饿312 · 发表于 2016-9-26 10:44:17

计算节点
增加Networking及配置【计算节点】

安装组件 yum install -y openstack-neutron openstack-neutron-linuxbridge ebtables ipset
配置普通组件 vim /etc/neutron/neutron.conf //更改或增加

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[DEFAULT]
rpc_backend = rabbit
auth_strategy = keystone
verbose = True
[oslo_messaging_rabbit]
rabbit_host = controller
rabbit_userid = openstack
rabbit_password = openstackpasswd
[keystone_authtoken]
auth_uri = http://controller:5000
auth_url = http://controller:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
project_name = service
username = neutron
password = neutronpasswd
[oslo_concurrency]
lock_path = /var/lib/neutron/tmp

配置linux桥接agent

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[iyunv@compute ~]# mv /etc/neutron/plugins/ml2/linuxbridge_agent.ini /etc/neutron/plugins/ml2/linuxbridge_agent.ini.bak
[iyunv@compute ~]# vim /etc/neutron/plugins/ml2/linuxbridge_agent.ini 增加以下内容
[linux_bridge]
physical_interface_mappings = public:eno16777736
[vxlan]
enable_vxlan = False
[agent]
prevent_arp_spoofing = True
[securitygroup]
enable_security_group = True
firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

配置compute使用网络
vi /etc/nova/nova.conf //更改或增加

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[neutron]
url = http://controller:9696
auth_url = http://controller:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
region_name = RegionOne
project_name = service
username = neutron
password = neutronpasswd

启动服务
systemctl restart openstack-nova-compute.service
systemctl enable neutron-linuxbridge-agent.service
systemctl start neutron-linuxbridge-agent.service

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[iyunv@compute ~]# systemctl restart openstack-nova-compute.service
[iyunv@compute ~]# systemctl enable neutron-linuxbridge-agent.service
Created symlink from /etc/systemd/system/multi-user.target.wants/neutron-linuxbridge-agent.service to /usr/lib/systemd/system/neutron-linuxbridge-agent.service.
[iyunv@compute ~]# systemctl start neutron-linuxbridge-agent.service
[iyunv@compute ~]#

验证配置(controller)

执行环境变量脚本
source admin-openrc.sh

列出所有的扩展
neutron ext-list

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列出所有agent
neutron agent-list

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agent type如下：
Linux bridge agent
Linux bridge agent
DHCP agent
Metadata agent
必须要有4个，否则说明上面的某个步骤配置有问题。

增加dashboard - horizon 【控制节点】
openstack dashboard也被称为Horizon，是一个web界面，使用管理员和用户能够管理openstack不同的资源和服务
dashboard 通过OpenStack APIs操作openstack云计算控制器
Horizon允许定制自己的商标
Horizon提供了核心类和可重复使用的木板和工具
这个部署使用的是 Apache web server.

安装包 yum install -y openstack-dashboard
编辑配置文件
vi /etc/openstack-dashboard/local_settings //更改或增加

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OPENSTACK_HOST = "controller" #配置openstack服务dashboard，运行在控制节点
ALLOWED_HOSTS = ['*', ]       #允许任何主机访问dashboard

#配置缓存会话存储服务，注意：注释掉其它session存储配置

CACHES = {
'default': {
      'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
      'LOCATION': '127.0.0.1:11211',
   }
}

OPENSTACK_KEYSTONE_DEFAULT_ROLE = "user"
OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT = True
OPENSTACK_API_VERSIONS = {
"identity": 3,
"volume": 2,
}

TIME_ZONE = "Asia/Chongqing"  #时区

重启服务 systemctl restart httpd.service memcached.service
此时可以去访问了 http://controller/dashboard 使用账号admin或者demon用户登陆即可，域为default
QQ截图20160926104402.png

block storage又叫做cinder，用来给openstack提供存储服务，比如我们在阿里云购买一台云主机，同时想购买容量大的磁盘，通常叫做云盘，这个云盘就是block storage。
创建库并授权cinder用户
mysql -uroot -proot
> CREATE DATABASE cinder;
> GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'localhost' IDENTIFIED BY 'cinder';
> GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'%' IDENTIFIED BY 'cinder';

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MariaDB [(none)]> CREATE DATABASE cinder;
Query OK, 1 row affected (0.03 sec)

MariaDB [(none)]> GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'localhost' IDENTIFIED BY 'cinder';
Query OK, 0 rows affected (0.14 sec)

MariaDB [(none)]> GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'%' IDENTIFIED BY 'cinder';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]>

执行初始化脚本
source admin-openrc.sh
创建cinder用户（密码为cinderpasswd）
openstack user create --domain default --password-prompt cinder

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添加admin角色
openstack role add --project service --user cinder admin

1 2	[iyunv@controller ~]# openstack role add --project service --user cinder admin [iyunv@controller ~]#

增加block storage - 前期准备【控制节点】
创建cinder和cinderv2 实例
openstack service create --name cinder \
--description "OpenStack Block Storage" volume

openstack service create --name cinderv2 \
--description "OpenStack Block Storage" volumev2

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创建块存储服务api终端
openstack endpoint create --region RegionOne volume public http://controller:8776/v1/%\(tenant_id\)s

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openstack endpoint create --region RegionOne volume internal http://controller:8776/v1/%\(tenant_id\)s

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openstack endpoint create --region RegionOne volume admin http://controller:8776/v1/%\(tenant_id\)s

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openstack endpoint create --region RegionOne volumev2 public http://controller:8776/v2/%\(tenant_id\)s

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openstack endpoint create --region RegionOne volumev2 internal http://controller:8776/v2/%\(tenant_id\)s

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openstack endpoint create --region RegionOne volumev2 admin http://controller:8776/v2/%\(tenant_id\)s

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增加block storage - 安装和配置【控制节点】

安装包 yum install -y openstack-cinder python-cinderclient
编辑配置文件 vim /etc/cinder/cinder.conf //更改或增加

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[database]
connection = mysql://cinder:cinder@controller/cinder
[DEFAULT]
rpc_backend = rabbit
auth_strategy = keystone
my_ip = 192.168.100.20
verbose = True
[keystone_authtoken]
auth_uri = http://controller:5000
auth_url = http://controller:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
project_name = service
username = cinder
password = cinderpasswd
[oslo_messaging_rabbit]
rabbit_host = controller
rabbit_userid = openstack
rabbit_password = openstackpasswd
[oslo_concurrency]
lock_path = /var/lib/cinder/tmp

同步数据 su -s /bin/sh -c "cinder-manage db sync" cinder

配置compute使用块存储
vi /etc/nova/nova.conf #增加以下配置

1 2	[cinder] os_region_name=RegionOne

启动服务
systemctl restart openstack-nova-api.service
systemctl enable openstack-cinder-api.service openstack-cinder-scheduler.service
systemctl start openstack-cinder-api.service openstack-cinder-scheduler.service

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[iyunv@controller ~]# systemctl restart openstack-nova-api.service
[iyunv@controller ~]# systemctl enable openstack-cinder-api.service openstack-cinder-scheduler.service
Created symlink from /etc/systemd/system/multi-user.target.wants/openstack-cinder-api.service to /usr/lib/systemd/system/openstack-cinder-api.service.
Created symlink from /etc/systemd/system/multi-user.target.wants/openstack-cinder-scheduler.service to /usr/lib/systemd/system/openstack-cinder-scheduler.service.
[iyunv@controller ~]# systemctl start openstack-cinder-api.service openstack-cinder-scheduler.service
[iyunv@controller ~]#

增加block storage - 配置storage节点【计算节点】

我们理应需要再准备一台单独的机器来做storage服务的，但是为了节省资源，我们就那compute节点和storage节点共用。这里需要为compute（storage）节点再增加一块磁盘（/dev/sdb）作为存储磁盘。
安装lvm
yum install -y lvm2
启动服务
systemctl enable lvm2-lvmetad.service
systemctl start lvm2-lvmetad.service

创建物理卷 pvcreate /dev/sdb
创建卷组 vgcreate cinder-volumes /dev/sdb

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[iyunv@compute ~]# pvcreate /dev/sdb
Physical volume "/dev/sdb" successfully created
[iyunv@compute ~]# vgcreate cinder-volumes /dev/sdb
Volume group "cinder-volumes" successfully created
[iyunv@compute ~]#

编辑配置文件 vi /etc/lvm/lvm.conf

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devices {
filter = [ "a/sdb/", "r/.*/"]
说明：如果还有第三块磁盘，应该再加上
filter = [ "a/sda/", "a/sdb/", "r/.*/"]

增加block storage - 配置storage节点 (compute)
安装包 yum install -y openstack-cinder targetcli python-oslo-policy

编辑配置文件 vi /etc/cinder/cinder.conf

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[DEFAULT]
rpc_backend = rabbit
auth_strategy = keystone
my_ip = 192.168.100.21
enabled_backends = lvm
glance_host = controller
verbose = True

[database]
connection = mysql://cinder:cinder@controller/cinder

[oslo_messaging_rabbit]
rabbit_host = controller
rabbit_userid = openstack
rabbit_password = openstackpasswd

[keystone_authtoken]
auth_uri = http://controller:5000
auth_url = http://controller:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
project_name = service
username = cinder
password = cinderpasswd

[lvm]
volume_driver = cinder.volume.drivers.lvm.LVMVolumeDriver
volume_group = cinder-volumes
iscsi_protocol = iscsi
iscsi_helper = lioadm

[oslo_concurrency]
lock_path = /var/lib/cinder/tmp

增加block storage - 启动和验证
启动服务 (compute)
systemctl enable openstack-cinder-volume.service target.service
systemctl start openstack-cinder-volume.service target.service

验证操作 (controller)
1. 执行初始化脚本
source admin-openrc.sh
2. 列出服务
cinder service-list

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至此所有节点基本安装完成可以创建实例

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