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Ubuntu 12.04 Server OpenStack Havana多节点(OVS+GRE)安装

2024-07-23 04:47:58   225人阅读

1.需求

节点角色　　NICs
控制节点　　eth0(10.10.10.51)eth1(192.168.100.51)
网络节点　　　　　　eth0(10.10.10.52)eth1(10.20.20.52)eth2(192.168.100.52)
计算结点eth0(10.10.10.53)eth1(10.20.20.53)

 

 

 

 

注意1：你总是可以使用dpkg -s <packagename>确认你是用的是Havana版本

注意2：这个是当前网络架构

2.控制节点

2.1.准备Ubuntu

  • 安装好Ubuntu12.04 server 64bits后，进入root模式进行安装。

sudo su -
  • 添加Havana仓库：
#apt-get install python-software-properties#add-apt-repository cloud-archive:havana
  • 升级系统：
#apt-get update#apt-get upgrade#apt-get dist-upgrade
 2.2设置网络

  • 配置网卡编辑/etc/network/interfaces:

#For Exposing OpenStack API over the internetauto eth1iface eth1 inet staticaddress 192.168.100.51netmask 255.255.255.0gateway 192.168.100.1dns-nameservers 8.8.8.8#Not internet connected(used for OpenStack management)auto eth0iface eth0 inet staticaddress 10.10.10.52netmask 255.255.255.0
  • 重启网络服务
#/etc/init.d/networking restart

  • 开启路由转发：

 
sed -i ‘s/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/‘ /etc/sysctl.confsysctl -p
 2.3安装MySQL
  • 安装MySQL并为root用户设置密码：
#apt-get install mysql-server python-mysqldb
  • 配置mysql监听所有网络请求
#sed -i ‘s/127.0.0.1/0.0.0.0/g‘ /etc/mysql/my.cnf#service mysql restart

2.4安装RabbitMQ和NTP

  • 安装RabbitMQ:
#apt-get install rabbitmq-server
  • 安装NTP服务
#apt-get install ntp
2.5创建数据库
  •  创建数据库
#mysql -u root -p#KeystoneCREATE DATABASE keystone;GRANT ALL ON keystone.* TO ‘keystoneUser‘@‘%‘ IDENTIFIED BY ‘keystonePass‘;#GlanceCREATE DATABASE glance;GRANT ALL ON glance.* TO ‘glanceUser‘@‘%‘ IDENTIFIED BY ‘glancePass‘;#NeutronCREATE DATABASE neutron;GRANT ALL ON neutron.* TO ‘neutronUser‘@‘%‘ IDENTIFIED BY ‘neutronPass‘;#NovaCREATE DATABASE nova;GRANT ALL ON nova.* TO ‘novaUser‘@‘%‘ IDENTIFIED BY ‘novaPass‘;#CinderCREATE DATABASE cinder;GRANT ALL ON cinder.* TO ‘cinderUser‘@‘%‘ IDENTIFIED BY ‘cinderPass‘;#SwiftCREATE DATABASE swift;GRANT ALL ON swift.* TO ‘swiftUser‘@‘%‘ IDENTIFIED BY ‘swiftPass‘;quit;

2.6.配置Keystone

  • 安装keystone软件包：

apt-get install keystone

  • 在/etc/keystone/keystone.conf中设置连接到新创建的数据库：

connection=mysql://keystone:keystonePass@10.10.10.51/keystone

  • 重启身份认证服务并同步数据库：

service keystone restartkeystone-manage db_dync

 

#!/bin/sh## Keystone Datas## Description: Fill Keystone with datas.## Please set 13, 30 lines of variablesADMIN_PASSWORD=${ADMIN_PASSWORD:-admin_pass}SERVICE_PASSWORD=${SERVICE_PASSWORD:-service_pass}export SERVICE_TOKEN="ADMIN"export SERVICE_ENDPOINT="http://10.10.10.51:35357/v2.0"SERVICE_TENANT_NAME=${SERVICE_TENANT_NAME:-service}KEYSTONE_REGION=RegionOne# If you need to provide the service, please to open keystone_wlan_ip and swift_wlan_ip# of course you are a multi-node architecture, and swift service# corresponding ip address set the following variablesKEYSTONE_IP="10.10.10.51"EXT_HOST_IP="192.168.100.51"SWIFT_IP="10.10.10.51"COMPUTE_IP=$KEYSTONE_IPEC2_IP=$KEYSTONE_IPGLANCE_IP=$KEYSTONE_IPVOLUME_IP=$KEYSTONE_IPNEUTRON_IP=$KEYSTONE_IPCEILOMETER=$KEYSTONE_IPget_id () {    echo `$@ | awk ‘/ id / { print $4 }‘`}# Create TenantsADMIN_TENANT=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT tenant-create --name=admin)SERVICE_TENANT=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT tenant-create --name=$SERVICE_TENANT_NAME)DEMO_TENANT=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT tenant-create --name=demo)INVIS_TENANT=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT tenant-create --name=invisible_to_admin)# Create UsersADMIN_USER=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-create --name=admin --pass="$ADMIN_PASSWORD" --email=admin@domain.com)DEMO_USER=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-create --name=demo --pass="$ADMIN_PASSWORD" --email=demo@domain.com)# Create RolesADMIN_ROLE=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT role-create --name=admin)KEYSTONEADMIN_ROLE=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT role-create --name=KeystoneAdmin)KEYSTONESERVICE_ROLE=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT role-create --name=KeystoneServiceAdmin)# Add Roles to Users in Tenantskeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --user-id $ADMIN_USER --role-id $ADMIN_ROLE --tenant-id $ADMIN_TENANTkeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --user-id $ADMIN_USER --role-id $ADMIN_ROLE --tenant-id $DEMO_TENANTkeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --user-id $ADMIN_USER --role-id $KEYSTONEADMIN_ROLE --tenant-id $ADMIN_TENANTkeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --user-id $ADMIN_USER --role-id $KEYSTONESERVICE_ROLE --tenant-id $ADMIN_TENANT# The Member role is used by Horizon and SwiftMEMBER_ROLE=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT role-create --name=Member)keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --user-id $DEMO_USER --role-id $MEMBER_ROLE --tenant-id $DEMO_TENANTkeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --user-id $DEMO_USER --role-id $MEMBER_ROLE --tenant-id $INVIS_TENANT# Configure service users/rolesNOVA_USER=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-create --name=nova --pass="$SERVICE_PASSWORD" --tenant-id $SERVICE_TENANT --email=nova@domain.com)keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --tenant-id $SERVICE_TENANT --user-id $NOVA_USER --role-id $ADMIN_ROLEGLANCE_USER=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-create --name=glance --pass="$SERVICE_PASSWORD" --tenant-id $SERVICE_TENANT --email=glance@domain.com)keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --tenant-id $SERVICE_TENANT --user-id $GLANCE_USER --role-id $ADMIN_ROLESWIFT_USER=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-create --name=swift --pass="$SERVICE_PASSWORD" --tenant-id $SERVICE_TENANT --email=swift@domain.com)keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --tenant-id $SERVICE_TENANT --user-id $SWIFT_USER --role-id $ADMIN_ROLERESELLER_ROLE=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT role-create --name=ResellerAdmin)keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --tenant-id $SERVICE_TENANT --user-id $NOVA_USER --role-id $RESELLER_ROLENEUTRON_USER=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-create --name=neutron --pass="$SERVICE_PASSWORD" --tenant-id $SERVICE_TENANT --email=neutron@domain.com)keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --tenant-id $SERVICE_TENANT --user-id $NEUTRON_USER --role-id $ADMIN_ROLECINDER_USER=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-create --name=cinder --pass="$SERVICE_PASSWORD" --tenant-id $SERVICE_TENANT --email=cinder@domain.com)keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --tenant-id $SERVICE_TENANT --user-id $CINDER_USER --role-id $ADMIN_ROLECEILOMETER_USER=$(get_id keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-create --name=ceilometer --pass="$SERVICE_PASSWORD" --tenant-id $SERVICE_TENANT --email=ceilometer@domain.com)keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT user-role-add --tenant-id $SERVICE_TENANT --user-id $CEILOMETER_USER --role-id $ADMIN_ROLE## Create ServiceKEYSTONE_ID=$(keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT service-create --name keystone --type identity --description ‘OpenStack Identity‘| awk ‘/ id / { print $4 }‘ )COMPUTE_ID=$(keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT service-create --name=nova --type=compute --description=‘OpenStack Compute Service‘| awk ‘/ id / { print $4 }‘ )CINDER_ID=$(keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT service-create --name=cinder --type=volume --description=‘OpenStack Volume Service‘| awk ‘/ id / { print $4 }‘ )GLANCE_ID=$(keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT service-create --name=glance --type=image --description=‘OpenStack Image Service‘| awk ‘/ id / { print $4 }‘ )SWIFT_ID=$(keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT service-create --name=swift --type=object-store --description=‘OpenStack Storage Service‘ | awk ‘/ id / { print $4 }‘  )EC2_ID=$(keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT service-create --name=ec2 --type=ec2 --description=‘OpenStack EC2 service‘| awk ‘/ id / { print $4 }‘ )NEUTRON_ID=$(keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT service-create --name=neutron --type=network --description=‘OpenStack Networking service‘| awk ‘/ id / { print $4 }‘  )CEILOMETER_ID=$(keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT service-create --name=ceilometer --type=metering --description=‘Ceilometer Metering Service‘| awk ‘/ id / { print $4 }‘ )## Create Endpoint#identityif [ "$KEYSTONE_WLAN_IP" != ‘‘ ];then    keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$KEYSTONE_ID --publicurl http://"$EXT_HOST_IP":5000/v2.0 --adminurl http://"$KEYSTONE_WLAN_IP":35357/v2.0 --internalurl http://"$KEYSTONE_WLAN_IP":5000/v2.0fikeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$KEYSTONE_ID --publicurl http://"$EXT_HOST_IP":5000/v2.0 --adminurl http://"$KEYSTONE_IP":35357/v2.0 --internalurl http://"$KEYSTONE_IP":5000/v2.0#computekeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$COMPUTE_ID --publicurl http://"$EXT_HOST_IP":8774/v2/\$\(tenant_id\)s --adminurl http://"$COMPUTE_IP":8774/v2/\$\(tenant_id\)s --internalurl http://"$COMPUTE_IP":8774/v2/\$\(tenant_id\)s#volumekeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$CINDER_ID --publicurl http://"$EXT_HOST_IP":8776/v1/\$\(tenant_id\)s --adminurl http://"$VOLUME_IP":8776/v1/\$\(tenant_id\)s --internalurl http://"$VOLUME_IP":8776/v1/\$\(tenant_id\)s#imagekeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$GLANCE_ID --publicurl http://"$EXT_HOST_IP":9292/v2 --adminurl http://"$GLANCE_IP":9292/v2 --internalurl http://"$GLANCE_IP":9292/v2#object-storeif [ "$SWIFT_WLAN_IP" != ‘‘ ];then    keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$SWIFT_ID --publicurl http://"$EXT_HOST_IP":8080/v1/AUTH_\$\(tenant_id\)s --adminurl http://"$SWIFT_WLAN_IP":8080/v1 --internalurl http://"$SWIFT_WLAN_IP":8080/v1/AUTH_\$\(tenant_id\)sfikeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$SWIFT_ID --publicurl http://"$EXT_HOST_IP":8080/v1/AUTH_\$\(tenant_id\)s --adminurl http://"$SWIFT_IP":8080/v1 --internalurl http://"$SWIFT_IP":8080/v1/AUTH_\$\(tenant_id\)s#ec2keystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$EC2_ID --publicurl http://"$EXT_HOST_IP":8773/services/Cloud --adminurl http://"$EC2_IP":8773/services/Admin --internalurl http://"$EC2_IP":8773/services/Cloud#networkkeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$NEUTRON_ID --publicurl http://"$EXT_HOST_IP":9696/ --adminurl http://"$NUETRON_IP":9696/ --internalurl http://"$NEUTRON_IP":9696/#ceilometerkeystone --token $SERVICE_TOKEN --endpoint $SERVICE_ENDPOINT endpoint-create --region $KEYSTONE_REGION --service-id=$CEILOMETER_ID --publicurl http://"$EXT_HOST_IP":8777/ --adminurl http://"$CEILOMETER_IP":8777/ --internalurl http://"$CEILOMETER_IP":8777/

 

  •  上述脚本文件为了填充keystone数据库，其中还有些内容根据自身情况修改。

  •  创建一个简单的凭据文件，这样稍后不会因为输入过多的环境变量而感到厌烦。

 

vi creds-adminexport OS_TENANT_NAME=adminexport OS_USERNAME=adminexport OS_PASSWORD=admin_passexport OS_AUTH_URL="http://192.168.100.51:5000/v2.0/"source creds-admin

 

  • 通过命令列出keystone中添加的用户以及得到token：

 
keystone user-listkeystone token-get

 

2.7.设置Glance

  • 安装Glance

apt-get install glance
  • 更新/etc/glance/glance-api-paste.ini
[filter:authtoken]paste.filter_factory = keystoneclient.middleware.auth_token:filter_factorydelay_auth_decision = trueauth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = glanceadmin_password = service_pass
  • 更新/etc/glance/glance-registry-paste.ini
[filter:authtoken]paste.filter_factory = keystoneclient.middleware.auth_token:filter_factoryauth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = glanceadmin_password = service_pass
  • 更新/etc/glance/glance-api.conf
sql_connection = mysql://glanceUser:glancePass@10.10.10.51/glance和[paste_deploy]flavor = keystone
  • 更新/etc/glance/glance-registry.conf
sql_connection = mysql://glanceUser:glancePass@10.10.10.51/glance和[paste_deploy]flavor = keystone
  • 重新启动glance服务：
cd /etc/init.d/;for i in $( ls glance-* );do service $i restart;done
  • 同步glance数据库
glance-manage db_sync
  • 测试Glance
mkdir imagescd imageswget http://cdn.download.cirros-cloud.net/0.3.1/cirros-0.3.1-x86_64-disk.imgglance image-create --name="Cirros 0.3.1" --disk-format=qcow2 --container-format=bare --is-public=true <cirros-0.3.1-x86_64-disk.img
  • 列出镜像检查是否上传成功：
glance image-list
2.8.设置Neutron

  • 安装Neutron组件：

apt-get install neutron-server

  • 编辑/etc/neutron/api-paste.ini

[filter:authtoken]paste.filter_factory = keystoneclient.middleware.auth_token:filter_factoryauth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = neutronadmin_password = service_pass

  • 编辑OVS配置文件/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini:

[OVS]tenant_network_type = gretunnel_id_ranges = 1:1000enable_tunneling = True#Firewall driver for realizing neutron security group function[SECURITYGROUP]firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver

  • 编辑/etc/neutron/neutron.conf

 
[database]connection = mysql://neutronUser:NEUTRON_DAPASS@10.10.10.51/neutron[keystone_authtoken]auth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = neutronadmin_password = service_passsigning_dir = /var/lib/neutron/keystone-signing
  • 重启Neutron所有服务：
cd /etc/init.d/; for i in $( ls neutron-* ); do sudo service $i restart; done
2.9.设置Nova
  • 安装nova组件：
apt-get install  nova-api nova-cert novnc nova-consoleauth nova-scheduler nova-novncproxy nova-doc nova-conductor nova-ajax-console-proxy
  • 编辑/etc/nova/api-paste.ini修改认证信息：
[filter:authtoken]paste.filter_factory = keystoneclient.middleware.auth_token:filter_factoryauth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = novaadmin_password = service_passsigning_dir = /var/lib/nova/keystone-signing# Workaround for https://bugs.launchpad.net/nova/+bug/1154809auth_version = v2.0
  • 编辑修改/etc/nova/nova.conf
[DEFAULT]logdir=/var/log/novastate_path=/var/lib/novalock_path=/run/lock/novaverbose=Trueapi_paste_config=/etc/nova/api-paste.inicompute_scheduler_driver=nova.scheduler.simple.SimpleSchedulerrabbit_host=10.10.10.51nova_url=http://10.10.10.51:8774/v1.1/sql_connection=mysql://novaUser:novaPass@10.10.10.51/novaroot_helper=sudo nova-rootwrap /etc/nova/rootwrap.conf# Authuse_deprecated_auth=falseauth_strategy=keystone# Imaging serviceglance_api_servers=10.10.10.51:9292image_service=nova.image.glance.GlanceImageService# Vnc configurationnovnc_enabled=truenovncproxy_base_url=http://192.168.100.51:6080/vnc_auto.htmlnovncproxy_port=6080vncserver_proxyclient_address=10.10.10.51vncserver_listen=0.0.0.0# Network settingsnetwork_api_class=nova.network.neutronv2.api.APIneutron_url=http://10.10.10.51:9696neutron_auth_strategy=keystoneneutron_admin_tenant_name=serviceneutron_admin_username=neutronneutron_admin_password=service_passneutron_admin_auth_url=http://10.10.10.51:35357/v2.0libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtHybridOVSBridgeDriverlinuxnet_interface_driver=nova.network.linux_net.LinuxOVSInterfaceDriver#If you want Neutron + Nova Security groupsfirewall_driver=nova.virt.firewall.NoopFirewallDriversecurity_group_api=neutron#If you want Nova Security groups only, comment the two lines above and uncomment line -1-.#-1-firewall_driver=nova.virt.libvirt.firewall.IptablesFirewallDriver#Metadataservice_neutron_metadata_proxy = Trueneutron_metadata_proxy_shared_secret = helloOpenStack# Compute #compute_driver=libvirt.LibvirtDriver# Cinder #volume_api_class=nova.volume.cinder.APIosapi_volume_listen_port=5900
  • 同步数据库：
nova-manage db sync
  • 重启Nova所有服务：
cd /etc/init.d/; for i in $( ls nova-* ); do  service $i restart; done
  • 检查所有nova服务是否启动正常：
nova-manage service list
2.10.设置Cinder
  • 安装Cinder软件包
apt-get install  cinder-api cinder-scheduler cinder-volume iscsitarget open-iscsi iscsitarget-dkms
  • 配置iscsi服务：
sed -i ‘s/false/true/g‘ /etc/default/iscsitarget
  • 重启服务：
service iscsitarget startservice open-iscsi start
  • 配置/etc/cinder/api-paste.ini
filter:authtoken]paste.filter_factory = keystoneclient.middleware.auth_token:filter_factoryservice_protocol = httpservice_host = 192.168.100.51service_port = 5000auth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = cinderadmin_password = service_pass
  • 编辑/etc/cinder/cinder.conf
[DEFAULT]rootwrap_config=/etc/cinder/rootwrap.confsql_connection = mysql://cinderUser:cinderPass@10.10.10.51/cinderapi_paste_config = /etc/cinder/api-paste.iniiscsi_helper=ietadmvolume_name_template = volume-%svolume_group = cinder-volumesverbose = Trueauth_strategy = keystone#osapi_volume_listen_port=5900
  • 接下来同步数据库：
cinder-manage db sync
  • 最后别忘记创建一个卷组命名为cinder-volumes:
dd if=/dev/zero of=cinder-volumes bs=1 count=0 seek=2Glosetup /dev/loop2 cinder-volumesfdisk /dev/loop2#Type in the followings:np1ENTERENTERt8ew
  • 创建物理卷和卷组：
pvcreate /dev/loop2vgcreate cinder-volumes /dev/loop2
  • 注意：重启后卷组不会自动挂载，如下进行设置：
vim /etc/init/losetup.confdescription "set up loop devices"start on mounted MOUNTPOINT=/taskexec /sbin/losetup  /dev/loop2 /home/cloud/cinder-volumes
  • 重启cinder服务：
cd /etc/init.d/; for i in $( ls cinder-* ); do service $i restart; done
  • 确认Cinder服务在运行：
cd /etc/init.d/; for i in $( ls cinder-* ); do service $i status; done
2.11.设置Horizon
  • 安装horizon：
apt-get install openstack-dashboard memcached
  • 如果你不喜欢OpenStack ubuntu主题，你可以停用它：
dpkg --purge openstack-dashboard-ubuntu-theme
  • 重启Apache和memcached服务：
service apache2 restart; service memcached restart

注意：重启apache2,出现could not reliably determine the server‘s fully domain name,using 127.0.0.1 for ServerName.这是由于没有解析出域名导致的。解决方法如下：编辑/etc/apache2/apache2.conf，添加如下操作即可。

ServerName localhost

2.12.设置Ceilometer

  • 安装Metering服务
apt-get install ceilometer-api ceilometer-collector ceilometer-agent-central python-ceilometerclient
  • 安装MongoDB数据库
apt-get install mongodb
  • 配置mongodb监听所有网络接口请求：
sed -i ‘s/127.0.0.1/0.0.0.0/g‘ /etc/mongodb.confservice mongodb restart
  • 创建ceilometer数据库用户：
#mongo>use ceilometer>db.addUser({ user:"ceilometer",pwd:"CEILOMETER_DBPASS",roles:["readWrite","dbAdmin"]})
  • 配置Metering服务使用数据库
...[database]...# The SQLAlchemy connection string used to connect to the# database (string value)connection = mongodb://ceilometer:CEILOMETER_DBPASS@10.10.10.51:27017/ceilometer...
  • 配置RabbitMQ访问,编辑/etc/ceilometer/ceilometer.conf
...[DEFAULT]rabbit_host = 10.10.10.51
  • 编辑/etc/ceilometer/ceilometer.conf使认证信息生效
[keystone_authtoken]auth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = ceilometeradmin_password = CEILOMETER_PASS
  • 简单获取镜像，你必须配置镜像服务以发送通知给总线，编辑/etc/glance/glance-api.conf修改[DEFAULT]部分
notifier_strategy=rabbitrabbit_host=10.10.10.51
  • 重启镜像服务
cd /etc/init.d/;for i in $(ls glance-* );do service $i restart;done
  • 重启服务，使配置信息生效
cd /etc/init.d;for i in $( ls ceilometer-* );do service $i restart;done
  • 编辑/etc/cinder/cinder.conf，获取volume。
control_exchange=cindernotification_driver=cinder.openstack.common.notifier.rpc_notifier
  • 重启Cinder服务
cd /etc/init.d/;for i in $( ls cinder-* );do service $i restart;done

3.网络结点

  • 安装好ubuntu 12.04 Server 64bits后，进入root模式下完成配置：

sudo su -
  • 添加Havana源：
#apt-get install python-software-properties#add-apt-repository cloud-archive:havana

  • 升级系统：

  • apt-get updateapt-get upgradeapt-get dist-upgrade
  • 安装ntp服务：
apt-get install ntp
  • 配置ntp服务从控制节点上同步时间：
sed -i ‘s/server 0.ubuntu.pool.ntp.org/#server 0.ubuntu.pool.ntp.org/g‘ /etc/ntp.confsed -i ‘s/server 1.ubuntu.pool.ntp.org/#server 1.ubuntu.pool.ntp.org/g‘ /etc/ntp.confsed -i ‘s/server 2.ubuntu.pool.ntp.org/#server 2.ubuntu.pool.ntp.org/g‘ /etc/ntp.confsed -i ‘s/server 3.ubuntu.pool.ntp.org/#server 3.ubuntu.pool.ntp.org/g‘ /etc/ntp.conf#Set the network node to follow up your conroller nodesed -i ‘s/server ntp.ubuntu.com/server 10.10.10.51/g‘ /etc/ntp.confservice ntp restart
  • 配置网络：
# OpenStack managementauto eth0iface eth0 inet staticaddress 10.10.10.52netmask 255.255.255.0# VM Configurationauto eth1iface eth1 inet staticaddress 10.20.20.52netmask 255.255.255.0# VM internet Accessauto eth2iface eth2 inet staticaddress 192.168.100.52netmask 255.255.255.0gateway 192.168.100.1dns-servers 8.8.8.8
  • 编辑/etc/sysctl.conf,开启路由转发和关闭包目的过滤，这样网络节点能协作VMs的traffic。
net.ipv4.ip_forward=1net.ipv4.conf.all.rp_filter=0net.ipv4.conf.default.rp_filter=0

#运行下面命令，使生效
sysctl -p

3.3.安装OpenVSwitch

  • 安装OpenVSwitch软件包：
apt-get install  openvswitch-controller openvswitch-switch openvswitch-datapath-dkms openvswitch-datapath-source
module-assistant auto-install openvswitch-datapath
/etc/init.d/openvswitch-switch restart
  • 创建网桥
#br-int will be used for VM integrationovs-vsctl add-br br-int#br-ex is used to make to VM accessable from the internetovs-vsctl add-br br-ex
  • 把网卡eth2加入br-ex：
ovs-vsctl add-port br-ex eth2
  • 重新修改网卡配置/etc/network/interfaces:
# This file describes the network interfaces available on your system# and how to activate them. For more information, see interfaces(5).# The loopback network interfaceauto loiface lo inet loopback# Not internet connected(used for OpenStack management)# The primary network interfaceauto eth0iface eth0 inet static# This is an autoconfigured IPv6 interface# iface eth0 inet6 autoaddress 10.10.10.52netmask 255.255.255.0auto eth1iface eth1 inet staticaddress 10.20.20.52netmask 255.255.255.0#For Exposing OpenStack API over the internetauto eth2iface eth2 inet manualup ifconfig $IFACE 0.0.0.0 upup ip link set $IFACE promisc ondown ip link set $IFACE promisc offdown ifconfig $IFACE downauto br-exiface br-ex inet staticaddress 192.168.0.52netmask 255.255.255.0gateway 192.168.100.1dns-nameservers 8.8.8.8
  • 重启网络服务：
/etc/init.d/networking restart
  • 查看网桥配置：
root@network:~# ovs-vsctl list-brbr-exbr-introot@network:~# ovs-vsctl show    Bridge br-int        Port br-int            Interface br-int                type: internal    Bridge br-ex        Port "eth2"            Interface "eth2"        Port br-ex            Interface br-ex                type: internal    ovs_version: "1.4.0+build0"

3.4.Neutron-*

  • 安装Neutron组件：
apt-get install neutron-plugin-openvswitch-agent neutron-dhcp-agent neutron-l3-agent neutron-metadata-agent
  • 编辑/etc/neutron/api-paste.ini
[filter:authtoken]paste.filter_factory = keystoneclient.middleware.auth_token:filter_factoryauth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = neutronadmin_password = service_pass
  • 编辑OVS配置文件：/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini
[OVS]tenant_network_type = greenable_tunneling = Truetunnel_id_ranges = 1:1000integration_bridge = br-inttunnel_bridge = br-tunlocal_ip = 10.20.20.52#Firewall driver for realizing neutron security group function[SECURITYGROUP]firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
  • 更新/etc/neutron/metadata_agent.ini:
auth_url = http://10.10.10.51:35357/v2.0auth_region = RegionOneadmin_tenant_name = serviceadmin_user = neutronadmin_password = service_pass# IP address used by Nova metadata servernova_metadata_ip = 10.10.10.51    # TCP Port used by Nova metadata servernova_metadata_port = 8775metadata_proxy_shared_secret = helloOpenStack
  • 编辑/etc/neutron/neutron.conf
rabbit_host = 10.10.10.51    [keystone_authtoken]auth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = neutronadmin_password = service_passsigning_dir = /var/lib/quantum/keystone-signing[database]connection = mysql://neutronUser:neutronPass@10.10.10.51/neutron
  • 编辑/etc/neutron/l3_agent.ini:
[DEFAULT]interface_driver = neutron.agent.linux.interface.OVSInterfaceDriveruse_namespaces = Trueexternal_network_bridge = br-exsigning_dir = /var/cache/neutronadmin_tenant_name = serviceadmin_user = neutronadmin_password = service_passauth_url = http://10.10.10.51:35357/v2.0l3_agent_manager = neutron.agent.l3_agent.L3NATAgentWithStateReportroot_helper = sudo neutron-rootwrap /etc/neutron/rootwrap.conf
  • 编辑/etc/neutron/dhcp_agent.ini:
[DEFAULT]interface_driver = neutron.agent.linux.interface.OVSInterfaceDriverdhcp_driver = neutron.agent.linux.dhcp.Dnsmasquse_namespaces = Truesigning_dir = /var/cache/neutronadmin_tenant_name = serviceadmin_user = neutronadmin_password = service_passauth_url = http://10.10.10.51:35357/v2.0dhcp_agent_manager = neutron.agent.dhcp_agent.DhcpAgentWithStateReportroot_helper = sudo neutron-rootwrap /etc/neutron/rootwrap.confstate_path = /var/lib/neutron
  • 重启服务：
cd /etc/init.d/; for i in $( ls neutron-* ); do service $i restart; done

 

4.计算结点

4.1.准备结点

  • 安装好ubuntu 12.04 Server 64bits后，进入root模式进行安装：
sudo su -
  • 添加Havana源：
#apt-get install python-software-properties#add-apt-repository cloud-archive:havana
  • 升级系统：
apt-get updateapt-get upgradeapt-get dist-upgrade
  • 安装ntp服务：
apt-get install ntp
  • 配置ntp服务从控制节点同步时间：
sed -i ‘s/server 0.ubuntu.pool.ntp.org/#server 0.ubuntu.pool.ntp.org/g‘ /etc/ntp.confsed -i ‘s/server 1.ubuntu.pool.ntp.org/#server 1.ubuntu.pool.ntp.org/g‘ /etc/ntp.confsed -i ‘s/server 2.ubuntu.pool.ntp.org/#server 2.ubuntu.pool.ntp.org/g‘ /etc/ntp.confsed -i ‘s/server 3.ubuntu.pool.ntp.org/#server 3.ubuntu.pool.ntp.org/g‘ /etc/ntp.conf    #Set the network node to follow up your conroller nodesed -i ‘s/server ntp.ubuntu.com/server 10.10.10.51/g‘ /etc/ntp.conf

service ntp restart

4.2.配置网络

  • 如下配置网络/etc/network/interfaces:
# The loopback network interfaceauto loiface lo inet loopback    # Not internet connected(used for OpenStack management)# The primary network interfaceauto eth0iface eth0 inet static# This is an autoconfigured IPv6 interface# iface eth0 inet6 autoaddress 10.10.10.53netmask 255.255.255.0    # VM Configurationauto eth1iface eth1 inet staticaddress 10.20.20.53netmask 255.255.255.0
  • 开启路由转发：
sed -i ‘s/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/‘ /etc/sysctl.confsysctl -p

4.3.KVM

  • 确保你的硬件启动virtualization:
apt-get install cpu-checkerkvm-ok
  • 安装kvm并配置它：
apt-get install -y kvm libvirt-bin pm-utils
  • 在/etc/libvirt/qemu.conf配置文件中启用cgroup_device_aci数组：
cgroup_device_acl = ["/dev/null", "/dev/full", "/dev/zero","/dev/random", "/dev/urandom","/dev/ptmx", "/dev/kvm", "/dev/kqemu","/dev/rtc", "/dev/hpet","/dev/net/tun"]
  • 删除默认的虚拟网桥：
virsh net-destroy defaultvirsh net-undefine default
  • 更新/etc/libvirt/libvirtd.conf配置文件：
listen_tls = 0listen_tcp = 1auth_tcp = "none"
  • 编辑libvirtd_opts变量在/etc/init/libvirt-bin.conf配置文件中：
env libvirtd_opts="-d -l"
  • 编辑/etc/default/libvirt-bin文件：
libvirtd_opts="-d -l"
  • 重启libvirt服务使配置生效：
service libvirt-bin restart

4.4.OpenVSwitch

  • 安装OpenVSwitch软件包：
apt-get install  openvswitch-switch openvswitch-datapath-dkms openvswitch-datapath-source
module-assistant auto-install openvswitch-datapath
service openvswitch-switch restart
  • 创建网桥：
ovs-vsctl add-br br-int

4.5.Neutron

  • 安装Neutron OpenVSwitch代理：
apt-get install neutron-plugin-openvswitch-agent
  • 编辑OVS配置文件/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini:
[OVS]tenant_network_type = gretunnel_id_ranges = 1:1000integration_bridge = br-inttunnel_bridge = br-tunlocal_ip = 10.20.20.53enable_tunneling = True    #Firewall driver for realizing quantum security group function[SECURITYGROUP]firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
  • 编辑/etc/neutron/neutron.conf
rabbit_host = 10.10.10.51[keystone_authtoken]auth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = neutronadmin_password = service_passsigning_dir = /var/lib/neutron/keystone-signing[database]connection = mysql://neutronUser:neutronPass@10.10.10.51/neutron
  • 重启服务：
service neutron-plugin-openvswitch-agent restart

4.6.Nova

  • 安装nova组件：
apt-get install nova-compute-kvm python-guestfs
  • 注意：如果你的宿主机不支持kvm虚拟化，可把nova-compute-kvm换成nova-compute-qemu
  • 同时/etc/nova/nova-compute.conf配置文件中的libvirt_type=qemu
  • 在/etc/nova/api-paste.ini配置文件中修改认证信息：
[filter:authtoken]paste.filter_factory = keystoneclient.middleware.auth_token:filter_factoryauth_host = 10.10.10.51auth_port = 35357auth_protocol = httpadmin_tenant_name = serviceadmin_user = novaadmin_password = service_passsigning_dirname = /tmp/keystone-signing-nova# Workaround for https://bugs.launchpad.net/nova/+bug/1154809auth_version = v2.0
  • 编辑修改/etc/nova/nova.conf
[DEFAULT]logdir=/var/log/novastate_path=/var/lib/novalock_path=/run/lock/novaverbose=Trueapi_paste_config=/etc/nova/api-paste.inicompute_scheduler_driver=nova.scheduler.simple.SimpleSchedulerrabbit_host=10.10.10.51nova_url=http://10.10.10.51:8774/v1.1/sql_connection=mysql://novaUser:novaPass@10.10.10.51/novaroot_helper=sudo nova-rootwrap /etc/nova/rootwrap.confmy_ip = 10.10.10.53# Authuse_deprecated_auth=falseauth_strategy=keystone# Imaging serviceglance_api_servers=10.10.10.51:9292image_service=nova.image.glance.GlanceImageService# Vnc configurationnovnc_enabled=truenovncproxy_base_url=http://192.168.100.51:6080/vnc_auto.htmlnovncproxy_port=6080vncserver_proxyclient_address=10.10.10.53                   #这是与控制节点不同的地方。vncserver_listen=0.0.0.0# Network settingsnetwork_api_class=nova.network.neutronv2.api.APIneutron_url=http://10.10.10.51:9696neutron_auth_strategy=keystoneneutron_admin_tenant_name=serviceneutron_admin_username=neutronneutron_admin_password=service_passneutron_admin_auth_url=http://10.10.10.51:35357/v2.0libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtHybridOVSBridgeDriverlinuxnet_interface_driver=nova.network.linux_net.LinuxOVSInterfaceDriver#If you want Neutron + Nova Security groupsfirewall_driver=nova.virt.firewall.NoopFirewallDriversecurity_group_api=neutron#If you want Nova Security groups only, comment the two lines above and uncomment line -1-.#-1-firewall_driver=nova.virt.libvirt.firewall.IptablesFirewallDriver#Metadataservice_neutron_metadata_proxy = Trueneutron_metadata_proxy_shared_secret = helloOpenStack# Compute #compute_driver=libvirt.LibvirtDriver# Cinder #volume_api_class=nova.volume.cinder.APIosapi_volume_listen_port=5900
  • 重启nova-*服务：
cd /etc/init.d/; for i in $( ls nova-* ); do service $i restart; done
  • 检查所有nova服务是否正常启动：
nova-manage service list

4.7. 为监控服务安装计算代理

  • 安装监控服务：
ap-get install ceilometer-agent-compute
  • 配置修改/etc/nova/nova.conf:
...[DEFAULT]...instance_usage_audit=Trueinstance_usage_audit_period=hournotify_on_state_change=vm_and_task_statenotification_driver=nova.openstack.common.notifier.rpc_notifiernotification_driver=ceilometer.compute.nova_notifier
  • 重启服务：
service ceilometer-agent-compute restart

 

5.创建第一VM

5.1.为admin租户创建内网、外网、路由器和虚拟机

  • 设置环境变量：
vim creds-admin#Paste the following:export OS_TENANT_NAME=adminexport OS_USERNAME=adminexport OS_PASSWORD=admin_passexport OS_AUTH_URL="http://192.168.100.51:5000/v2.0/"source creds-admin
  • 列出已创建的用户和租户：
keystone user-list

# keystone tenant-list
+----------------------------------+--------------------+---------+
| id | name | enabled |
+----------------------------------+--------------------+---------+
| 4cb714b719204285acc7ecea40c33ca8 | admin | True |
| eb8c703bee4549feb2c9c551013296d5 | demo | True |
| 1e78ea73b9d741a7bcde1eaf6a6b5555 | invisible_to_admin | True |
| 16542d36818f480d94554438c1fc0761 | service | True |
+----------------------------------+--------------------+---------+

  • 为admin租户创建网络：
neutron net-create --tenant-id $id_of_tenant --router:external=True net_admin

Created a new network:
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | True |
| id | 04d2e397-ceae-43df-b4e9-63e8ea12ddfa |
| name | net_admin |
| provider:network_type | gre |
| provider:physical_network | |
| provider:segmentation_id | 1 |
| shared | False |
| status | ACTIVE |
| subnets | |
| tenant_id | 4cb714b719204285acc7ecea40c33ca8 |
+---------------------------+--------------------------------------+

  • 为admin租户创建子网：

# neutron subnet-create --tenant-id 4cb714b719204285acc7ecea40c33ca8 net_admin 50.50.1.0/24
Created a new subnet:
+------------------+----------------------------------------------+
| Field | Value |
+------------------+----------------------------------------------+
| allocation_pools | {"start": "50.50.1.2", "end": "50.50.1.254"} |
| cidr | 50.50.1.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 50.50.1.1 |
| host_routes | |
| id | 13be7adc-5837-4462-8887-d20548f6283f |
| ip_version | 4 |
| name | |
| network_id | 04d2e397-ceae-43df-b4e9-63e8ea12ddfa |
| tenant_id | 4cb714b719204285acc7ecea40c33ca8 |
+------------------+----------------------------------------------+

  • 为admin租户创建路由器：

# neutron router-create --tenant-id 4cb714b719204285acc7ecea40c33ca8 router_admin
Created a new router:
+-----------------------+--------------------------------------+
| Field | Value |
+-----------------------+--------------------------------------+
| admin_state_up | True |
| external_gateway_info | |
| id | 04f207ec-6d4b-49e7-8614-b69eee12feb8 |
| name | router_admin |
| status | ACTIVE |
| tenant_id | 4cb714b719204285acc7ecea40c33ca8 |
+-----------------------+--------------------------------------+

  • 列出路由代理类型：

# neutron agent-list
+--------------------------------------+--------------------+---------+-------+----------------+
| id | agent_type | host | alive | admin_state_up |
+--------------------------------------+--------------------+---------+-------+----------------+
| 18c4a977-f9b3-4a36-bcb5-a7d92346522c | DHCP agent | network | :-) | True |
| 70e2b440-49d2-4860-9888-401dd7f6102b | Open vSwitch agent | network | :-) | True |
| b4b9781d-de82-476f-97f6-560914210f0a | L3 agent | network | :-) | True |
| d1a3c1cb-9383-410d-b84b-a9574ad328ec | Open vSwitch agent | compute | :-) | True |
+--------------------------------------+--------------------+---------+-------+----------------+

  • 将router_admin设置为L3代理类型：
neutron l3-agent-router-add $id_of_l3_agent router_adminAdded router router_admin to L3 agent
  • 将net_admin子网与router_admin路由关联：

# neutron router-interface-add 1568ec23-0c79-43d0-8b83-52b0a63cf1df c5ac3b09-829c-48d4-8ac7-f07619479a66 
Added interface 6e2533c9-f6a0-4e40-a05c-074b62164995 to router 1568ec23-0c79-43d0-8b83-52b0a63cf1df.

  • 创建外网net_external，注意设置--router:external=True：

# neutron net-create net_external --router:external=True --shared
Created a new network:
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | True |
| id | bcf6e1cb-dd57-40a8-9b61-a6bc6d0a6696 |
| name | net_external |
| provider:network_type | gre |
| provider:physical_network | |
| provider:segmentation_id | 2 |
| router:external | True |
| shared | True |
| status | ACTIVE |
| subnets | |
| tenant_id | 4cb714b719204285acc7ecea40c33ca8 |
+---------------------------+--------------------------------------+

  • 为net_admin创建子网，注意设置的gateway必须在给到的网段内：

neutron subnet-create --tenant-id 4cb714b719204285acc7ecea40c33ca8 --allocation-pool start=192.168.100.110,end=192.168.100.130 --gateway=192.168.100.1 net_external 192.168.100.0/24 --enable_dhcp=False
Created a new subnet:
+------------------+----------------------------------------------------+
| Field | Value |
+------------------+----------------------------------------------------+
| allocation_pools | {"start": "192.168.100.110", "end": "192.168.100.130"} |
| cidr | 192.168.100.0/24 |
| dns_nameservers | |
| enable_dhcp | False |
| gateway_ip | 192.168.100.1 |
| host_routes | |
| id | d8461e75-e259-43c5-9bdc-68221a6cf111 |
| ip_version | 4 |
| name | |
| network_id | bcf6e1cb-dd57-40a8-9b61-a6bc6d0a6696 |
| tenant_id | 4cb714b719204285acc7ecea40c33ca8 |
+------------------+----------------------------------------------------+

  • 将net_external与router_admin路由器关联：
neutron router-gateway-set router_admin net_externalSet gateway for router router_admin
  • 创建floating ip:

neutron floatingip-create net_external
Created a new floatingip:
+---------------------+--------------------------------------+
| Field | Value |
+---------------------+--------------------------------------+
| fixed_ip_address | |
| floating_ip_address | 192.168.100.111 |
| floating_network_id | bcf6e1cb-dd57-40a8-9b61-a6bc6d0a6696 |
| id | 942b66e7-d4a5-4136-8be0-3bf00688a56d |
| port_id | |
| router_id | |
| tenant_id | 4cb714b719204285acc7ecea40c33ca8 |
+---------------------+--------------------------------------+

# neutron floatingip-create net_external
Created a new floatingip:
+---------------------+--------------------------------------+
| Field | Value |
+---------------------+--------------------------------------+
| fixed_ip_address | |
| floating_ip_address | 192.168.100.112 |
| floating_network_id | bcf6e1cb-dd57-40a8-9b61-a6bc6d0a6696 |
| id | e46c9811-59f2-4a0f-a7b0-3c93185dde58 |
| port_id | |
| router_id | |
| tenant_id | 4cb714b719204285acc7ecea40c33ca8 |
+---------------------+--------------------------------------+

 

6.参考文档：

1.openstack官方文档：http://docs.openstack.org/havana/install-guide/install/apt/openstack-install-guide-apt-havana.pdf  目前openstack官方文档已经做的很好了，如何安装，配置，写的都挺不错的，还有neutron那一节对各种情况的网络结构列出的很详细。

2.感谢Bilel Msekni做出的贡献，https://github.com/mseknibilel/OpenStack-Grizzly-Install-Guide/blob/OVS_MultiNode/OpenStack_Grizzly_Install_Guide.rst

Ubuntu 12.04 Server OpenStack Havana多节点(OVS+GRE)安装


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