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5 安装和配置 nova -- 主节点

5.1 网络设置

5.1.1 网卡接口设置

安装桥接管理软件

yum install bridge-utils

删除网卡上的桥接

brctl show
brctl delbr <要删除的桥接网卡>

重新设置 ip

ifconfig eth0 192.168.1.1

将网卡设置为混杂模式

ifconfig eth0 promisc

设置 selinux 为 permissive

setenforce permissive

5.1.2 安装 dnsmasq

yum install dnsmasq-utils

5.2 配置数据库

mysql -u root -p
create database nova;
grant all on nova.* to 'nova'@'%' identified by nova;
grant all on nova.* to 'nova'@'%' identified by nova;

5.3 修改配置文件

/etc/nova/nova.conf

[DEFAULT]
# debug=True
# verbose=True
compute_scheduler_driver=nova.scheduler.filter_scheduler.FilterScheduler
logdir = /var/log/nova
state_path = /var/lib/nova
lock_path = /var/lib/nova/tmp
volumes_dir = /etc/nova/volumes
iscsi_helper = tgtadm
sql_connection = mysql://nova:[email protected]:3306/nova
compute_driver = libvirt.LibvirtDriver
firewall_driver = nova.virt.libvirt.firewall.IptablesFirewallDriver
#rpc_backend = nova.openstack.common.rpc.impl_qpid
rootwrap_config = /etc/nova/rootwrap.conf
libvirt_type = kvm
my_ip=192.168.1.1
# 注意此处路径需存在，且对nova用户具有权限
instances_path=/state/partition1/openstack/instance

#AUTH
auth_strategy = keystone
rabbit_host=127.0.0.1
api_paste_config=/etc/nova/api-paste.ini

#NETWORK
dhcpbridge = /usr/bin/nova-dhcpbridge
dhcpbridge_flagfile = /etc/nova/nova.conf
force_dhcp_release = False
libvirt_inject_partition = -1
injected_network_template = /usr/share/nova/interfaces.template
libvirt_nonblocking = True

network_manager = nova.network.manager.FlatDHCPManager
fixed_range=192.168.100.0/24
flat_network_bridge = br100
public_interface=peth0
flat_interface=peth0

#VNC
novncproxy_base_url=http://202.38.192.97:6080/vnc_auto.html

[keystone_authtoken]
admin_tenant_name = service
admin_user = nova
admin_password = nova
auth_host = 127.0.0.1
auth_port = 35357
auth_protocol = http
signing_dir = /tmp/keystone-signing-nova

5.4 同步数据库

nova-manage db sync

5.5 启动服务

for svc in api objectstore compute network volume scheduler cert;
do service openstack-nova-$svc restart; done

5.6 创建网络

nova-manage network create private --fixed_range_v4=192.168.100.0/24 --bridge_interface=br100 --num_networks=1 --network_size=256

5.7 验证 nova 安装

nova-manage service list

在返回中应该看到笑脸而不是X。

5.8 定义 nova 和 glance 认证

建立一个 openrc 文件

export OS_USERNAME=admin
export OS_TENANT_NAME=demo
export PASSWORD=admin
export OS_AUTH_URL=http://127.0.0.1:5000/v2.0/
export OS_REGION_NAME=scut

读入 openrc

source openrc

验证效果

nova image-list