整個(gè)OpenStack是由控制節(jié)點(diǎn),計(jì)算節(jié)點(diǎn),網(wǎng)絡(luò)節(jié)點(diǎn),存儲節(jié)點(diǎn)四大部分組成。上篇博文詳細(xì)講述了控制節(jié)點(diǎn)服務(wù)controller中的keystone組件,本篇博文將對nova組件部署進(jìn)行分析,分為兩部分:控制節(jié)點(diǎn)和計(jì)算節(jié)點(diǎn)都需要設(shè)置。
成都創(chuàng)新互聯(lián)是一家專業(yè)提供辰溪企業(yè)網(wǎng)站建設(shè),專注與網(wǎng)站設(shè)計(jì)制作、成都網(wǎng)站建設(shè)、H5頁面制作、小程序制作等業(yè)務(wù)。10年已為辰溪眾多企業(yè)、政府機(jī)構(gòu)等服務(wù)。創(chuàng)新互聯(lián)專業(yè)網(wǎng)絡(luò)公司優(yōu)惠進(jìn)行中。
計(jì)算節(jié)點(diǎn)包含Nova,Neutron,Telemeter三個(gè)服務(wù)
1)基礎(chǔ)服務(wù)
Nova:提供虛擬機(jī)的創(chuàng)建,運(yùn)行,遷移,快照等各種圍繞虛擬機(jī)的服務(wù),并提供API與控制節(jié)點(diǎn)對接,由控制節(jié)點(diǎn)下發(fā)任務(wù)
Neutron:提供計(jì)算節(jié)點(diǎn)與網(wǎng)絡(luò)節(jié)點(diǎn)之間的通信服務(wù)
2)擴(kuò)展服務(wù)
Telmeter:提供計(jì)算節(jié)點(diǎn)的監(jiān)控代理,將虛擬機(jī)的情況反饋給控制節(jié)點(diǎn),是Centimeter的代理服務(wù)
計(jì)算節(jié)點(diǎn)包含最少兩個(gè)網(wǎng)絡(luò)端口
eth0:與控制節(jié)點(diǎn)進(jìn)行通信,受控制節(jié)點(diǎn)統(tǒng)一調(diào)配
eth2:與網(wǎng)絡(luò)節(jié)點(diǎn),存儲節(jié)點(diǎn)進(jìn)行通信
主機(jī) | 系統(tǒng) | IP地址 | 角色 |
---|---|---|---|
controller | CentOS7 | 192.168.37.128 | keystone、nova、ntp、mariadb、rabbitmq、memcached、etcd、apache |
compute | CentOS7 | 192.168.37.130 | nova、ntp |
cinder | CentOS7 | 192.168.37.131 | cinder、ntp |
++controller節(jié)點(diǎn)++
1、創(chuàng)建nova_api, nova, nova_cell0數(shù)據(jù)庫
MySQL -u root -p
CREATE DATABASE nova_api;
CREATE DATABASE nova;
CREATE DATABASE nova_cell0;
2、數(shù)據(jù)庫登錄授權(quán)
grant all privileges on nova_api. to 'nova'@'localhost' identified by '123456';
grant all privileges on nova_api. to 'nova'@'%' identified by '123456';
grant all privileges on nova. to 'nova'@'localhost' identified by '123456';
grant all privileges on nova. to 'nova'@'%' identified by '123456';
grant all privileges on nova_cell0. to 'nova'@'localhost' identified by '123456';
grant all privileges on nova_cell0. to 'nova'@'%' identified by '123456';
3、創(chuàng)建nova用戶
source ~/admin-openrc
openstack user create --domain default --password-prompt nova
密碼:123456
4、添加admin用戶為nova用戶
openstack role add --project service --user nova admin
5、創(chuàng)建nova服務(wù)端點(diǎn)
openstack service create --name nova --description "OpenStack Compute" compute
6、創(chuàng)建compute API 服務(wù)端點(diǎn)
openstack endpoint create --region RegionOne compute public http://controller:8774/v2.1 #public的API端點(diǎn)
openstack endpoint create --region RegionOne compute internal http://controller:8774/v2.1 #internal的API端點(diǎn)
openstack endpoint create --region RegionOne compute admin http://controller:8774/v2.1 #admin的API端點(diǎn)
一個(gè)資源提供者可以是一個(gè)計(jì)算節(jié)點(diǎn),共享存儲池,或一個(gè)IP分配池。
placement服務(wù)跟蹤每個(gè)供應(yīng)商的庫存和使用情況。
例如,在一個(gè)計(jì)算節(jié)點(diǎn)創(chuàng)建一個(gè)實(shí)例的可消費(fèi)資源如計(jì)算節(jié)點(diǎn)的資源提供者的CPU和內(nèi)存,磁盤從外部共享存儲池資源提供商和IP地址從外部IP資源提供者。
1、創(chuàng)建placement用戶
openstack user create --domain default --password-prompt placement
#密碼:123456
2、添加placement用戶為項(xiàng)目服務(wù)admin角色
openstack role add --project service --user placement admin
3、創(chuàng)建Placement API服務(wù)
openstack service create --name placement --description "Placement API" placement
4、創(chuàng)建Placement API服務(wù)端點(diǎn)
openstack endpoint create --region RegionOne placement public http://controller:8778 #public的API端點(diǎn)
openstack endpoint create --region RegionOne placement internal http://controller:8778 #internal的API端點(diǎn)
openstack endpoint create --region RegionOne placement admin http://controller:8778 #admin的API端點(diǎn)
1、安裝軟件包
yum install openstack-nova-api openstack-nova-conductor openstack-nova-console openstack-nova-novncproxy openstack-nova-scheduler openstack-nova-placement-api -y
2、編輯nova配置文件
vim /etc/nova/nova.conf
[DEFAULT]
#2756行
enabled_apis=osapi_compute,metadata #開啟API
#3156行
transport_url=rabbit://openstack:123456@controller #消息隊(duì)列
#1291行
my_ip=192.168.37.128 #主機(jī)IP
#1755行
use_neutron=true #開啟網(wǎng)絡(luò)組件
#2417行
firewall_driver=nova.virt.firewall.NoopFirewallDriver #防火墻設(shè)置
[api_database]
#3513行
connection=mysql+pymysql://nova:123456@controller/nova_api
[database]
#4637行
connection=mysql+pymysql://nova:123456@controller/nova
[api]
#3221行
auth_strategy=keystone #授權(quán)注冊
[keystone_authtoken] #令牌模塊
#6149行
auth_uri=http://controller:5000
auth_url=http://controller:35357
#6200行
memcached_servers=controller:11211
#6307行 :添加以下行數(shù)設(shè)置
auth_type=password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = 123456
[vnc]
#10292行
enabled=true
#10316行
server_listen=$my_ip
#10329行
server_proxyclient_address=$my_ip
[glance]
#5342行
api_servers=http://controller:9292
[oslo_concurrency]
#7920行
lock_path=/var/lib/nova/tmp
[placement]
#8819行
os_region_name=RegionOne
#8859行
auth_type=password
#8865行
auth_url=http://controller:35357/v3
#8880行
project_name=service
#8886行
project_domain_name=Default
#8906行
username=placement
#8912行
user_domain_name=Default
#8915行
password=123456
#注意:配置文件是實(shí)時(shí)更新的,行數(shù)標(biāo)注不一定準(zhǔn)確,需仔細(xì)對照修改內(nèi)容。另外,修改條目較多,可通過以下命令進(jìn)行查看:
grep -v "#" /etc/nova/nova.conf | grep -v "^$"
3、由于包錯(cuò)誤,必須啟用對Placement API的訪問,在文件末尾添加以下內(nèi)容
vim /etc/httpd/conf.d/00-nova-placement-api.conf
= 2.4>
Require all granted
Order allow,deny
Allow from all
1、由于修改了httpd配置文件,需重啟服務(wù)
systemctl restart httpd.service
2、同步nova-api數(shù)據(jù)庫
su -s /bin/sh -c "nova-manage api_db sync" nova
3、注冊cell0數(shù)據(jù)庫
su -s /bin/sh -c "nova-manage cell_v2 map_cell0" nova
4、注冊cell1 cell數(shù)據(jù)庫
su -s /bin/sh -c "nova-manage cell_v2 create_cell --name=cell1 --verbose" nova
5、同步nova數(shù)據(jù)庫
su -s /bin/sh -c "nova-manage db sync" nova
6、驗(yàn)證 nova、 cell0、 cell1數(shù)據(jù)庫是否注冊正確
nova-manage cell_v2 list_cells
7、開啟controller上所有nova服務(wù)模塊,設(shè)置開機(jī)自啟動
systemctl enable openstack-nova-api.service
systemctl enable openstack-nova-consoleauth.service
systemctl enable openstack-nova-scheduler.service
systemctl enable openstack-nova-conductor.service
systemctl enable openstack-nova-novncproxy.service
systemctl start openstack-nova-api.service
systemctl start openstack-nova-consoleauth.service
systemctl start openstack-nova-scheduler.service
systemctl start openstack-nova-conductor.service
systemctl start openstack-nova-novncproxy.service
++compute節(jié)點(diǎn)++
1、yum安裝nova節(jié)點(diǎn)包
yum install openstack-nova-compute -y
2、修改配置文件
vim /etc/nova/nova.conf
[DEFAULT]
#1291
my_ip = 192.168.37.130
#1755
use_neutron=true
#2417
firewall_driver=nova.virt.firewall.NoopFirewallDriver
#2756
enabled_apis = osapi_compute,metadata
#3156
transport_url = rabbit://openstack:123456@controller
[api]
#3221
auth_strategy=keystone
[keystone_authtoken]
#6148
auth_uri = http://192.168.37.128:5000
auth_url = http://controller:35357
#6199
memcached_servers=controller:11211
#6306
auth_type=password
project_domain_name=default
user_domain_name=default
project_name=service
username=nova
password=123456
[vnc]
#10291
enabled=true
#10315
server_listen=0.0.0.0
#10328
server_proxyclient_address=$my_ip
#10346
novncproxy_base_url=http://controller:6080/vnc_auto.html
[glance]
#5341
api_servers=http://controller:9292
[oslo_concurrency]
#7919
lock_path=/var/lib/nova/tmp
[placement]
#8818
os_region_name=RegionOne
#8858
auth_type = password
#8864
auth_url=http://controller:35357/v3
#8879
project_name = service
#8885
project_domain_name = Default
#8911
user_domain_name = Default
#8905
username = placement
#8914
password = 123456
#注意:配置文件是實(shí)時(shí)更新的,行數(shù)標(biāo)注不一定準(zhǔn)確,模塊和controller上相同,需仔細(xì)對照修改內(nèi)容。另外,修改條目較多,可通過以下命令進(jìn)行查看:
grep -v "#" /etc/nova/nova.conf | grep -v "^$"
3、開啟相關(guān)服務(wù),設(shè)置開機(jī)自啟動
systemctl enable libvirtd.service
systemctl enable openstack-nova-compute.service
systemctl stop libvirtd
systemctl start libvirtd
systemctl enable openstack-nova-compute.service
systemctl start openstack-nova-compute.service
++controller節(jié)點(diǎn)++
1、驗(yàn)證有幾個(gè)計(jì)算節(jié)點(diǎn)在數(shù)據(jù)庫中
source ~/admin-openrc
openstack compute service list --service nova-compute
2、查看計(jì)算節(jié)點(diǎn)
su -s /bin/sh -c "nova-manage cell_v2 discover_hosts --verbose" nova
3、列出計(jì)算節(jié)點(diǎn)服務(wù)
openstack compute service list
4、列出身份服務(wù)中的API端點(diǎn),驗(yàn)證與身份服務(wù)的連接
openstack catalog list
5、列出鏡像
openstack image list
+--------------------------------------+--------+--------+
| ID | Name | Status |
+--------------------------------------+--------+--------+
| 204c1831-4abf-481b-80ab-609eb9b06f2d | cirros | active |
+--------------------------------------+--------+--------+
6、檢查cells和placement API是否正常
nova-status upgrade check