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openstack mitaka版本 使用

openstack mitaka版本 使用

作者: 挑战_bae7 | 来源:发表于2021-02-07 15:49 被阅读0次

    1. 修改管理员密码

    图片.png 
    默认账户default ---admin---ADMIN_PASS
[root@controller ~]# vim /root/admin-openrc 
export OS_PROJECT_DOMAIN_NAME=default
export OS_USER_DOMAIN_NAME=default
export OS_PROJECT_NAME=admin
export OS_USERNAME=admin
export OS_PASSWORD=123456 修改此项
export OS_AUTH_URL=http://controller:35357/v3
export OS_IDENTITY_API_VERSION=3
export OS_IMAGE_API_VERSION=2

source /root/admin-openrc   不然控制节点无法查看运行状态

    2. 想新建虚拟实例在指定的宿主机上

    图片.png
    图片.png

    3.新建普通用户 有删除创建实例的权限

    图片.png

    4. 新建项目 创建配额 限制普通用户创建实例

    图片.png
    图片.png
    图片.png
    限制生效.png

    5. glance 镜像服务迁移出来

    controller 停掉glance服务
[root@controller ~]# systemctl stop openstack-glance-api.service openstack-glance-registry.service 
[root@controller ~]# systemctl disable openstack-glance-api.service openstack-glance-registry.service 
Removed symlink /etc/systemd/system/multi-user.target.wants/openstack-glance-api.service.
Removed symlink /etc/systemd/system/multi-user.target.wants/openstack-glance-registry.service.
[root@controller ~]# mysqldump -B glance >glance.sql
scp /root/glance.sql root@10.0.0.12:/root
[root@controller ~]# ll /var/lib/glance/images/  glance镜像文件目录
总用量 12980
-rw-r----- 1 glance glance 13287936 2月   3 08:52 5c95b5dc-50e2-4cad-b334-dfe3a3c9302f

    修改控制节点数据库keystone
[root@controller ~]# source /root/admin-openrc
[root@controller ~]# openstack endpoint list|grep glance
| 6400a1d109f94fc7b0a68cf643731ba9 | RegionOne | glance       | image        | True    | internal  | http://controller:9292                    |
| a23581fa8fc64771a0c9d580868fa19f | RegionOne | glance       | image        | True    | public    | http://controller:9292                    |
| ae40a6fc6d4e44159950cecd32d17748 | RegionOne | glance       | image        | True    | admin     | http://controller:9292    
[root@controller ~]# mysqldump keystone endpoint > endpoint.sql
[root@controller ~]# cp endpoint.sql{,.bak}
[root@controller ~]# vim endpoint.sql
:%s#http://controller:9292#http://10.0.0.12:9292#gc    -y -y -y
[root@controller ~]# mysql keystone <endpoint.sql
[root@controller ~]# openstack endpoint list|grep glance
| 6400a1d109f94fc7b0a68cf643731ba9 | RegionOne | glance       | image        | True    | internal  | http://10.0.0.12:9292                     |
| a23581fa8fc64771a0c9d580868fa19f | RegionOne | glance       | image        | True    | public    | http://10.0.0.12:9292                     |
| ae40a6fc6d4e44159950cecd32d17748 | RegionOne | glance       | image        | True    | admin     | http://10.0.0.12:9292                     |

[root@controller ~]# openstack image list  检验
+--------------------------------------+--------+--------+
| ID                                   | Name   | Status |
+--------------------------------------+--------+--------+
| 5c95b5dc-50e2-4cad-b334-dfe3a3c9302f | cirros | active |
+--------------------------------------+--------+--------+

    排错 看最上面或者最下面
[root@controller ~]# cd /var/log/nova/
[root@controller nova]# ls -1 | awk '{print ">"$0}'
>nova-api.log
>nova-conductor.log
>nova-consoleauth.log
>nova-manage.log
>nova-novncproxy.log
>nova-scheduler.log
[root@controller nova]# ls -1 | awk '{print ">"$0}'|bash
[root@controller nova]# ls
nova-api.log  nova-conductor.log  nova-consoleauth.log  nova-manage.log  nova-novncproxy.log  nova-scheduler.log
[root@controller nova]# grep -i error *.log 

    排错
[root@controller ~]# openstack image list
Internal Server Error (HTTP 500)
[root@glance glance]# tailf api.log
ImportError: No module named memcache
yum install -y pythone-pip
pip install --upgrade pip

    glance节点
[root@localhost ~]# vim /etc/hosts
10.0.0.11       controller
yum install mariadb mariadb-server python2-PyMySQL -y
echo '[mysqld]
bind-address = 10.0.0.12
default-storage-engine = innodb
innodb_file_per_table
max_connections = 4096
collation-server = utf8_general_ci
character-set-server = utf8' >/etc/my.cnf.d/openstack.cnf

systemctl enable mariadb.service
systemctl start mariadb.service
mysql_secure_installation ---回车-n-y-y-y-y

    mysql -u root -p
CREATE DATABASE glance;
GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' \
  IDENTIFIED BY 'GLANCE_DBPASS';
GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' \
  IDENTIFIED BY 'GLANCE_DBPASS';
source /root/glance.sql;
show tables;查看

    yum install openstack-glance openstack-utils -y
scp -pr root@10.0.0.11:/etc/glance/glance-registry.conf /etc/glance/glance-registry.conf
scp -pr root@10.0.0.11:/etc/glance/glance-api.conf /etc/glance/glance-api.conf
openstack-config --set /etc/glance/glance-registry.conf  database  connection  mysql+pymysql://glance:GLANCE_DBPASS@10.0.0.12/glance
openstack-config --set /etc/glance/glance-api.conf  database  connection  mysql+pymysql://glance:GLANCE_DBPASS@10.0.0.12/glance
systemctl enable openstack-glance-api.service openstack-glance-registry.service
systemctl start openstack-glance-api.service openstack-glance-registry.service

    scp -pr root@10.0.0.11:/var/lib/glance/images/* /var/lib/glance/images/
[root@glance ~]# chown -R glance.glance /var/lib/glance/images/
[root@glance ~]# ll /var/lib/glance/images/
总用量 12980
-rw-r----- 1 glance glance 13287936 2月   3 08:52 5c95b5dc-50e2-4cad-b334-dfe3a3c9302f

    所有节点都运行
sed  "s#http://controller:9292#http://10.0.0.12:9292#g" /etc/nova/nova.conf|grep 9292
sed  -i "s#http://controller:9292#http://10.0.0.12:9292#g" /etc/nova/nova.conf
控制节点
systemctl restart openstack-nova-api.service
运算节点
systemctl restart openstack-nova-compute.service
创建一个实例 看是否启动
    图片.png
    添加镜像
    图片.png
    官方镜像源：
    https://docs.openstack.org/image-guide/obtain-images.html
    国内镜像地址:中科大镜像源
    http://mirrors.ustc.edu.cn/centos-cloud/centos/7/images/

    6. cinder 块存储服务

    mysql -u root -p
CREATE DATABASE cinder;
GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'localhost' \
  IDENTIFIED BY 'CINDER_DBPASS';
GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'%' \
  IDENTIFIED BY 'CINDER_DBPASS';
source /root/admin-openrc
openstack user create --domain default --password CINDER_PASS cinder
openstack role add --project service --user cinder admin
openstack service create --name cinder   --description "OpenStack Block Storage" volume
openstack service create --name cinderv2   --description "OpenStack Block Storage" volumev2
openstack endpoint create --region RegionOne   volume public http://controller:8776/v1/%\(tenant_id\)s
openstack endpoint create --region RegionOne   volume internal http://controller:8776/v1/%\(tenant_id\)s
openstack endpoint create --region RegionOne   volume admin http://controller:8776/v1/%\(tenant_id\)s
openstack endpoint create --region RegionOne   volumev2 public http://controller:8776/v2/%\(tenant_id\)s
openstack endpoint create --region RegionOne   volumev2 internal http://controller:8776/v2/%\(tenant_id\)s
openstack endpoint create --region RegionOne   volumev2 admin http://controller:8776/v2/%\(tenant_id\)s

    \cp /etc/cinder/cinder.conf{,.bak}
egrep -v "^$|#" /etc/cinder/cinder.conf.bak >/etc/cinder/cinder.conf
openstack-config --set /etc/cinder/cinder.conf  DEFAULT  rpc_backend  rabbit
openstack-config --set /etc/cinder/cinder.conf  DEFAULT  auth_strategy  keystone
openstack-config --set /etc/cinder/cinder.conf  DEFAULT  my_ip  10.0.0.11
openstack-config --set /etc/cinder/cinder.conf  database  connection  mysql+pymysql://cinder:CINDER_DBPASS@controller/cinder
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  auth_uri  http://controller:5000
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  auth_url  http://controller:35357
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  memcached_servers  controller:11211
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  auth_type  password
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  project_domain_name  default
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  user_domain_name  default
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  project_name  service
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  username  cinder
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  password  CINDER_PASS
openstack-config --set /etc/cinder/cinder.conf  oslo_concurrency  lock_path  /var/lib/cinder/tmp
openstack-config --set /etc/cinder/cinder.conf  oslo_messaging_rabbit  rabbit_host  controller
openstack-config --set /etc/cinder/cinder.conf  oslo_messaging_rabbit  rabbit_userid  openstack
openstack-config --set /etc/cinder/cinder.conf  oslo_messaging_rabbit  rabbit_password  RABBIT_PASS
[root@controller ~]# md5sum /etc/cinder/cinder.conf
e2119e2454022c6f13734d716afc7e1c  /etc/cinder/cinder.conf

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

openstack-config --set /etc/nova/nova.conf  cinder  os_region_name  RegionOne
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
[root@controller ~]# cinder service-list
+------------------+------------+------+---------+-------+------------+-----------------+
|      Binary      |    Host    | Zone |  Status | State | Updated_at | Disabled Reason |
+------------------+------------+------+---------+-------+------------+-----------------+
| cinder-scheduler | controller | nova | enabled |   up  |     -      |        -        |
+------------------+------------+------+---------+-------+------------+-----------------+

    配置一个存储节点

    yum install lvm2
systemctl enable lvm2-lvmetad.service
systemctl start lvm2-lvmetad.service

    添加2块硬盘
echo '- - -'/sys/class/scsi_host/host0/scan
fdisk -l
pvcreate /dev/vdb 
pvcreate /dev/vdc
vgcreate cinder-ssd /dev/vdb
vgcreate cinder-stat /dev/vdc
vim /etc/lvm/lvm.conf +130  根据数据情况 我这边是vd* 
filter = [ "a/vda/", "a/vdb/", "a/vdc/", "r/.*/"]

    \cp /etc/cinder/cinder.conf{,.bak}
egrep -v "^$|#" /etc/cinder/cinder.conf.bak >/etc/cinder/cinder.conf
openstack-config --set /etc/cinder/cinder.conf  database  connection  mysql+pymysql://cinder:CINDER_DBPASS@controller/cinder
openstack-config --set /etc/cinder/cinder.conf  DEFAULT  rpc_backend  rabbit
openstack-config --set /etc/cinder/cinder.conf  DEFAULT  auth_strategy  keystone
openstack-config --set /etc/cinder/cinder.conf  DEFAULT  my_ip  10.0.0.12 ##改成自己实际的
openstack-config --set /etc/cinder/cinder.conf  DEFAULT  glance_api_servers  http://10.0.0.12:9292 ##上面修改过glance
openstack-config --set /etc/cinder/cinder.conf  DEFAULT  enabled_backends  ssd,sata
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  auth_uri  http://controller:5000
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  auth_url  http://controller:35357
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  memcached_servers  controller:11211
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  auth_type  password
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  project_domain_name  default
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  user_domain_name  default
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  project_name  service
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  username  cinder
openstack-config --set /etc/cinder/cinder.conf  keystone_authtoken  password  CINDER_PASS
openstack-config --set /etc/cinder/cinder.conf  oslo_concurrency  lock_path  /var/lib/cinder/tmp
openstack-config --set /etc/cinder/cinder.conf  oslo_messaging_rabbit  rabbit_host  controller
openstack-config --set /etc/cinder/cinder.conf  oslo_messaging_rabbit  rabbit_userid  openstack
openstack-config --set /etc/cinder/cinder.conf  oslo_messaging_rabbit  rabbit_password  RABBIT_PASS
openstack-config --set /etc/cinder/cinder.conf  ssd  volume_driver  cinder.volume.drivers.lvm.LVMVolumeDriver
openstack-config --set /etc/cinder/cinder.conf  ssd  volume_group  cinder-ssd
openstack-config --set /etc/cinder/cinder.conf  ssd  iscsi_protocol  iscsi
openstack-config --set /etc/cinder/cinder.conf  ssd  iscsi_helper  lioadm
openstack-config --set /etc/cinder/cinder.conf  ssd  volume_backend_name  ssd
openstack-config --set /etc/cinder/cinder.conf  sata  volume_driver  cinder.volume.drivers.lvm.LVMVolumeDriver
openstack-config --set /etc/cinder/cinder.conf  sata  volume_group  cinder-sata
openstack-config --set /etc/cinder/cinder.conf  sata  iscsi_protocol  iscsi
openstack-config --set /etc/cinder/cinder.conf  sata  iscsi_helper  lioadm
openstack-config --set /etc/cinder/cinder.conf  sata  volume_backend_name  sata

    systemctl enable openstack-cinder-volume.service target.service
systemctl start openstack-cinder-volume.service target.service
[root@controller ~]# cinder service-list
+------------------+-------------+------+---------+-------+----------------------------+-----------------+
|      Binary      |     Host    | Zone |  Status | State |         Updated_at         | Disabled Reason |
+------------------+-------------+------+---------+-------+----------------------------+-----------------+
| cinder-scheduler |  controller | nova | enabled |   up  | 2021-02-06T08:45:35.000000 |        -        |
|  cinder-volume   | glance@sata | nova | enabled |   up  | 2021-02-06T08:45:25.000000 |        -        |
|  cinder-volume   |  glance@ssd | nova | enabled |   up  | 2021-02-06T08:45:25.000000 |        -        |
+------------------+-------------+------+---------+-------+----------------------------+-----------------+

    web界面下


    图片.png 
    [root@glance ~]# lvs
  LV                                          VG         Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  root                                        centos     -wi-ao---- 46.99g                                                    
  swap                                        centos     -wi-ao----  2.00g                                                    
  volume-ad6b4c0c-2080-4922-b697-543f7b9d1b60 cinder-ssd -wi-a-----  5.00g  
逻辑卷只能扩展不能缩容

    7. 根据需要创建不同类型的逻辑卷

    根据volume_backend_name指定


    图片.png
    图片.png 
    [root@glance ~]# lvs 验证
  LV                                          VG          Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  root                                        centos      -wi-ao---- 46.99g                                                    
  swap                                        centos      -wi-ao----  2.00g                                                    
  volume-d61a0b44-d72a-4a9c-aee0-b2ab7c14b273 cinder-sata -wi-a-----  3.00g                                                    
  volume-d589e037-6f72-4910-baf3-7a7f6343d84e cinder-ssd  -wi-a-----  1.00g
    图片.png 
    验证
ssh cirros@10.0.0.122
sudo su -
fdisk -l
mkfs.ext4 /dev/vdb
mount /dev/vdb /mnt
cd /mnt
echo "this is testing" >test.txt
在存储节点上
[root@glance ~]#  dd if=/dev/mapper/cinder--sata-volume--d61a0b44--d72a--4a9c--aee0--b2ab7c14b273 of=/opt/disk.raw
[root@glance ~]# qemu-img info /opt/disk.raw 
image: /opt/test.raw
file format: raw
virtual size: 3.0G (3221225472 bytes)
disk size: 3.0G
[root@glance ~]# mount -o loop /opt/disk.raw /test
[root@glance ~]# ll /test/
总用量 20
drwx------ 2 root root 16384 2月   6 17:14 lost+found
-rw------- 1 root root    16 2月   6 17:15 test.txt

    运算节点上 创建虚拟机目录文件 在每个运算节点上 
[root@compute1 ~]# ll /var/lib/nova/instances/5ebab777-fc9d-4ded-a354-135af1f228c3/
总用量 2280
-rw------- 1 root root   25459 2月   6 17:27 console.log
-rw-r--r-- 1 qemu qemu 2293760 2月   6 17:28 disk
-rw-r--r-- 1 nova nova      79 2月   6 17:26 disk.info
-rw-r--r-- 1 nova nova    2525 2月   6 17:26 libvirt.xml
    目录到逻辑卷.png 
    [root@controller ~]# openstack-config --set /etc/cinder/cinder.conf  DEFAULT  glance_api_servers  http://10.0.0.12:9292
[root@controller ~]# systemctl restart openstack-cinder-api.service 
[root@compute1 ~]# ll /var/lib/nova/instances/90c08ba3-ad28-412b-8fab-4a49dac3093f/
总用量 28              没有磁盘文件
-rw------- 1 root root 24141 2月   6 17:39 console.log
-rw-r--r-- 1 nova nova  2577 2月   6 17:39 libvirt.xml

    8. cinder使用nfs

    yum install nfs-utils -y
[root@compute3 ~]# vim /etc/exports
/data/ 10.0.0.0/24(rw,async,no_root_squash,no_all_squash)
mkdir /data
systemctl start nfs rpcbind
systemctl enable nfs rpcbind
[root@glance ~]# showmount -e 10.0.0.33
Export list for 10.0.0.33:
/data/ 10.0.0.0/24

    存储节点
openstack-config --set /etc/cinder/cinder.conf  DEFAULT  enabled_backends  ssd,sata,nfs
openstack-config --set /etc/cinder/cinder.conf  nfs  volume_driver  cinder.volume.drivers.nfs.NfsDriver
openstack-config --set /etc/cinder/cinder.conf  nfs  nfs_shares_config  /etc/cinder/nfs_shares
openstack-config --set /etc/cinder/cinder.conf  nfs  volume_backend_name  nfs

cat >/etc/cinder/nfs_shares <<EOF
10.0.0.33:/data
EOF

    [root@glance ~]# systemctl restart openstack-cinder-volume.service
[root@controller ~]# cinder service-list
+------------------+-------------+------+---------+-------+----------------------------+-----------------+
|      Binary      |     Host    | Zone |  Status | State |         Updated_at         | Disabled Reason |
+------------------+-------------+------+---------+-------+----------------------------+-----------------+
| cinder-scheduler |  controller | nova | enabled |   up  | 2021-02-07T08:19:37.000000 |        -        |
|  cinder-volume   |  glance@nfs | nova | enabled |   up  |             -              |        -        |
|  cinder-volume   | glance@sata | nova | enabled |   up  | 2021-02-07T08:19:40.000000 |        -        |
|  cinder-volume   |  glance@ssd | nova | enabled |   up  | 2021-02-07T08:19:40.000000 |        -        |
+------------------+-------------+------+---------+-------+----------------------------+-----------------+
    image.png
    image.png 
    [root@compute3 data]# ls
volume-de5974d1-5354-426e-81a5-42bb7c4d075a

ssh cirros@10.0.0.127
sudo su -
mount /dev/vdb /tmp
echo "this is nfs" >/tmp/testing.txt

[root@compute3 data]# mount -o loop volume-de5974d1-5354-426e-81a5-42bb7c4d075a /tmp
[root@compute3 data]# ll /tmp/
总用量 20
drwx------ 2 root root 16384 2月   7 16:45 lost+found
-rw-r--r-- 1 root root    12 2月   7 16:47 testing.txt

    8. 控制节点兼职计算节点

    控制节点
yum install -y openstack-nova-compute
openstack-config --set /etc/nova/nova.conf  vnc enabled  True
openstack-config --set /etc/nova/nova.conf  vnc vncserver_listen  0.0.0.0
openstack-config --set /etc/nova/nova.conf  vnc vncserver_proxyclient_address  '$my_ip'
openstack-config --set /etc/nova/nova.conf  vnc novncproxy_base_url  http://controller:6080/vnc_auto.html

    systemctl start libvirtd openstack-nova-compute.service 
systemctl enable libvirtd openstack-nova-compute.service 
[root@controller ~]# nova service-list
+----+------------------+-----------------------+----------+----------+-------+----------------------------+-----------------+
| Id | Binary           | Host                  | Zone     | Status   | State | Updated_at                 | Disabled Reason |
+----+------------------+-----------------------+----------+----------+-------+----------------------------+-----------------+
| 1  | nova-conductor   | controller            | internal | enabled  | up    | 2021-02-07T09:17:18.000000 | -               |
| 2  | nova-scheduler   | controller            | internal | enabled  | up    | 2021-02-07T09:17:18.000000 | -               |
| 3  | nova-consoleauth | controller            | internal | enabled  | up    | 2021-02-07T09:17:18.000000 | -               |
| 7  | nova-compute     | compute1              | nova     | enabled  | up    | 2021-02-07T09:17:16.000000 | -               |
| 8  | nova-compute     | localhost.localdomain | compute2 | disabled | down  | 2021-02-05T09:57:59.000000 | 123             |
| 9  | nova-compute     | compute2              | zhiding  | enabled  | down  | 2021-02-05T09:43:21.000000 | -               |
| 10 | nova-compute     | compute3              | compute3 | enabled  | up    | 2021-02-07T09:17:16.000000 | -               |
| 11 | nova-compute     | controller            | nova     | enabled  | up    | 2021-02-07T09:17:17.000000 | -               |
+----+------------------+-----------------------+----------+----------+-------+----------------------------+-----------------+

    9. 虚拟机冷迁移

    1：开启nova计算节点之间互信
冷迁移需要nova计算节点之间使用nova用户互相免密码访问
默认nova用户禁止登陆，开启所有计算节点的nova用户登录shell。

usermod -s /bin/bash nova
su - nova
ssh-keygen -t rsa
#生成密钥
cp -fa .ssh/id_rsa.pub .sshauthorized_keys

将公钥发送给其他计算节点的nova用户的/var/lib/nova/.ssh目录下，注意权限和所属组
[nova@compute1 ~]$ scp -rp .ssh root@10.0.0.33:`pwd`
[root@compute3 ~]# chown -R nova:nova /var/lib/nova/.ssh/

2：修改控制节点nova.conf
vim /etc/nova/nova.conf
[DEFAULT]
scheduler_default_filters=RetryFilter,AvailabilityZoneFilter,RamFilter,DiskFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,ServerGroupAntiAffinityFilter,ServerGroupAffinityFilter

重启openstack-nova-scheduler
systemctl restart openstack-nova-scheduler.service

3:修改所有计算节点的nova配置
vi /etc/nova/nova.conf
[DEFAULT]
allow_resize_to_same_host = True

重启openstack-nova-compute
systemctl restart openstack-nova-compute.service

4：dashboard上进行操作---->创建实例---->实现冷迁移操作

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