Centos7搭建OpenStack T版本 --上

Centos7搭建OpenStack T版本 --上

1. 环境准备(所有节点操作)

主机名	IP
controller	192.168.100.100(仅主机) 192.168.200.X (NAT模式DHCP分配)
compute	192.168.100.200(仅主机) 192.168.200.X (NAT模式DHCP分配)

如果需要搭建存储节点则添加机器并配置网络即可，我的所有密码设置为123

1.1 修改主机名

所有节点都需要操作，且操作方法一样，只写了controller一个节点的结果，其他节点照常执行

IP地址自行配置

[root@localhost ~]# hostnamectl set-hostname controller

[root@localhost ~]# bash

1.2 关闭selinux 以及防火墙

将默认的enforcing改为disabled

[root@controller ~]# cat /etc/selinux/config 

# This file controls the state of SELinux on the system.

# SELINUX= can take one of these three values:

#     enforcing - SELinux security policy is enforced.

#     permissive - SELinux prints warnings instead of enforcing.

#     disabled - No SELinux policy is loaded.

SELINUX=disabled

[root@controller ~]# setenforce 0

[root@controller ~]# systemctl disable --now firewalld

1.3 修改hosts

[root@controller ~]# cat /etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

# 加上controller和compute，如果有其他节点也写进来

192.168.100.100 controller

192.168.100.110 compute

1.4 配置时间同步

controller 操作

[root@controller ~]# yum install chrony -y

[root@controller ~]# vim /etc/chrony.conf

# controller节点需要改这三个地方

server ntp.aliyun.com iburst   # 中间的ntp服务器可自己改，能同步就行

allow 192.168.100.0/24    #允许192.168.100.0/24 这个网段内的主机与这台服务器同步

local stratum 10

[root@controller ~]# chronyc sources

210 Number of sources = 1

MS Name/IP address         Stratum Poll Reach LastRx Last sample

===============================================================================

^* 203.107.6.88                  2   6    17     2   +319us[ +654us] +/-   23ms

compute以及其他节点操作

[root@compute ~]# yum install chrony -y

[root@compute ~]# vim /etc/chrony.conf

# 只需要改动一处地方

server controller iburst

[root@compute ~]# systemctl restart chronyd

[root@compute ~]# chronyc sources

210 Number of sources = 1

MS Name/IP address         Stratum Poll Reach LastRx Last sample

===============================================================================

^* controller                    3   6     7     1  +6342ns[ -921us] +/-   29ms

1.5 配置OpenStack 软件包

[root@controller ~]# yum install centos-release-openstack-train -y

[root@controller ~]# yum install python2-openstackclient -y

1.6 安装数据库

从这里开始只需要在controller节点上操作，其他节点不需要操作

[root@controller ~]# yum install mariadb mariadb-server python2-PyMySQL

[root@controller ~]# vim /etc/my.cnf.d/openstack.cnf

[mysqld]

# 官网有这一条配置，我没有打开，打开之后不方便排错

# bind-address = 192.168.100.100

default-storage-engine = innodb

innodb_file_per_table = on

max_connections = 4096

collation-server = utf8_general_ci

character-set-server = utf8

[root@controller ~]# systemctl enable --now mariadb

数据库初始化

[root@controller ~]# mysql_secure_installation

Enter current password for root (enter for none): # 直接按回车

Change the root password? [Y/n]  # 是否修改root密码，按Y然后输入密码

Remove anonymous users? [Y/n] # 移除匿名用户，建议移除

Disallow root login remotely? [Y/n] # 是否禁止root远程登录，建议开启，按n

Remove test database and access to it? [Y/n] # 移除测试数据库，建议按Y

Reload privilege tables now? [Y/n] # 重新加载权限，按Y

1.7 安装消息队列

[root@controller ~]#  yum install rabbitmq-server -y

[root@controller ~]# systemctl enable rabbitmq-server.service --now

# 这个地方RABBIT_PASS 设置为你自己的密码，我用的123

# rabbitmqctl add_user openstack RABBIT_PASS

[root@controller ~]# rabbitmqctl add_user openstack 123

[root@controller ~]# rabbitmqctl set_permissions openstack ".*" ".*" ".*"

1.8 安装memcached

[root@controller ~]# yum install memcached python-memcached -y

[root@controller ~]# vim /etc/sysconfig/memcached

# 修改这一行，加上controller

OPTIONS="-l 127.0.0.1,::1,controller"

[root@controller ~]# systemctl enable memcached.service --now

1.9 安装etcd

[root@controller ~]# yum install etcd -y

# 直接清空原先的配置，使用这些，注意将192.178.100.100 改为你自己的controller的IP

#[Member]

ETCD_DATA_DIR="/var/lib/etcd/default.etcd"

ETCD_LISTEN_PEER_URLS="http://192.168.100.100:2380"

ETCD_LISTEN_CLIENT_URLS="http://192.168.100.100:2379"

ETCD_NAME="controller"

#[Clustering]

ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.100.100:2380"

ETCD_ADVERTISE_CLIENT_URLS="http://192.168.100.100:2379"

ETCD_INITIAL_CLUSTER="controller=http://192.168.100.100:2380"

ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-01"

ETCD_INITIAL_CLUSTER_STATE="new"

[root@controller ~]# systemctl enable --now etcd

2. 安装Keystone

2.1 数据库操作

我的所有密码为123，之后不写注释了，你需要修改密码的话将123改为你想设的密码就好

[root@controller ~]# mysql -uroot -p123

# -p 后面跟上你的数据库root密码，如果不想这样直接显示登录的话可以直接-p 回车

MariaDB [(none)]> CREATE DATABASE keystone;

MariaDB [(none)]> GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY '123';

MariaDB [(none)]> GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'%'IDENTIFIED BY '123';

MariaDB [(none)]> glush privileges;

2.2 安装软件包

[root@controller ~]# yum install openstack-keystone httpd mod_wsgi -y

[root@controller ~]# vim /etc/keystone/keystone.conf

[database]

# 自己注意替换密码，123是你要替换的地方

connection = mysql+pymysql://keystone:123@controller/keystone

[token]

provider = fernet

[root@controller ~]# su -s /bin/sh -c "keystone-manage db_sync" keystone

[root@controller ~]#  keystone-manage fernet_setup --keystone-user keystone --keystone-group keystone

[root@controller ~]# keystone-manage credential_setup --keystone-user keystone --keystone-group keystone

# 命令比较长，注意自行替换123

[root@controller ~]#  keystone-manage bootstrap --bootstrap-password 123

  --bootstrap-admin-url http://controller:5000/v3/

  --bootstrap-internal-url http://controller:5000/v3/

  --bootstrap-public-url http://controller:5000/v3/

  --bootstrap-region-id RegionOne

[root@controller ~]# vim /etc/httpd/conf/httpd.conf

ServerName controller

[root@controller ~]# ln -s /usr/share/keystone/wsgi-keystone.conf /etc/httpd/conf.d/

[root@controller ~]# systemctl enable --now httpd

2.3 编写admin rc文件

[root@controller ~]# vim admin-login.sh

export OS_USERNAME=admin

export OS_PASSWORD=123

export OS_PROJECT_NAME=admin

export OS_USER_DOMAIN_NAME=Default

export OS_PROJECT_DOMAIN_NAME=Default

export OS_AUTH_URL=http://controller:5000/v3

export OS_IDENTITY_API_VERSION=3

export OS_IMAGE_API_VERSION=2

2.4 测试keystone是否正常工作

2.4.1 创建domain

[root@controller ~]# openstack domain create --description "An Example Domain" example

+-------------+----------------------------------+

| Field       | Value                            |

+-------------+----------------------------------+

| description | An Example Domain                |

| enabled     | True                             |

| id          | 2f4f80574fd84fe6ba9067228ae0a50c |

| name        | example                          |

| tags        | []                               |

+-------------+----------------------------------+

2.4.2 创建project

[root@controller ~]# openstack project create --domain default \

  --description "Service Project" service

+-------------+----------------------------------+

| Field       | Value                            |

+-------------+----------------------------------+

| description | Service Project                  |

| domain_id   | default                          |

| enabled     | True                             |

| id          | 24ac7f19cd944f4cba1d77469b2a73ed |

| is_domain   | False                            |

| name        | service                          |

| parent_id   | default                          |

| tags        | []                               |

+-------------+----------------------------------+

2.4.3 最后测试

[root@controller ~]# unset OS_AUTH_URL OS_PASSWORD

[root@controller ~]# openstack --os-auth-url http://controller:5000/v3 \

  --os-project-domain-name Default --os-user-domain-name Default \

  --os-project-name admin --os-username admin token issue

Password: # 这个地方输入admin密码

+------------+-----------------------------------------------------------------+

| Field      | Value                                                           |

+------------+-----------------------------------------------------------------+

| expires    | 2016-02-12T20:14:07.056119Z                                     |

| id         | gAAAAABWvi7_B8kKQD9wdXac8MoZiQldmjEO643d-e_j-XXq9AmIegIbA7UHGPv |

|            | atnN21qtOMjCFWX7BReJEQnVOAj3nclRQgAYRsfSU_MrsuWb4EDtnjU7HEpoBb4 |

|            | o6ozsA_NmFWEpLeKy0uNn_WeKbAhYygrsmQGA49dclHVnz-OMVLiyM9ws       |

| project_id | 343d245e850143a096806dfaefa9afdc                                |

| user_id    | ac3377633149401296f6c0d92d79dc16                                |

+------------+-----------------------------------------------------------------+

3. 安装glance

3.1 数据库操作

[root@controller ~]# mysql -u root -p123

MariaDB [(none)]> CREATE DATABASE glance;

MariaDB [(none)]> GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' \

  IDENTIFIED BY '123';

MariaDB [(none)]> GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' \

  IDENTIFIED BY '123';

3.2 创建 glance用户

[root@controller ~]# openstack user create --domain default --password-prompt glance

User Password:   # 输入两次密码

Repeat User Password:

+---------------------+----------------------------------+

| Field               | Value                            |

+---------------------+----------------------------------+

| domain_id           | default                          |

| enabled             | True                             |

| id                  | 3f4e777c4062483ab8d9edd7dff829df |

| name                | glance                           |

| options             | {}                               |

| password_expires_at | None                             |

+---------------------+----------------------------------+

[root@controller ~]# openstack role add --project service --user glance admin

[root@controller ~]# openstack service create --name glance --description "OpenStack Image" image

3.3 给glance创建服务端点

[root@controller ~]# openstack endpoint create --region RegionOne \

  image public http://controller:9292

[root@controller ~]# openstack endpoint create --region RegionOne \

  image internal http://controller:9292

[root@controller ~]# openstack endpoint create --region RegionOne \

  image admin http://controller:9292

3.4 安装配置glance

[root@controller ~]# yum install openstack-glance -y

3.4.1 glance-api 配置文件

[root@controller ~]# vim /etc/glance/glance-api.conf

[database]

connection = mysql+pymysql://glance:123@controller/glance

[keystone_authtoken]

www_authenticate_uri  = http://controller:5000

auth_url = http://controller:5000

memcached_servers = controller:11211

auth_type = password

project_domain_name = Default

user_domain_name = Default

project_name = service

username = glance

password = 123

[paste_deploy]

flavor = keystone

[glance_store]

stores = file,http

default_store = file

filesystem_store_datadir = /var/lib/glance/images/

3.5 同步数据库

[root@controller ~]# su -s /bin/sh -c "glance-manage db_sync" glance

3.6 启动服务

[root@controller ~]# systemctl enable openstack-glance-api.service --now

3.7 验证服务

[root@controller ~]# source admin-login.sh

[root@controller ~]# wget http://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img

[root@controller ~]# glance image-create --name "cirros" \

  --file cirros-0.4.0-x86_64-disk.img \

  --disk-format qcow2 --container-format bare \

  --visibility public

[root@controller ~]# openstack image list

+--------------------------------------+--------+--------+

| ID                                   | Name   | Status |

+--------------------------------------+--------+--------+

| 2a2ff041-0696-47a6-893b-b35d529b743d | cirros | active |

+--------------------------------------+--------+--------+

# 输出这个就代表没错

4. 安装placement

4.1 数据库操作

[root@controller ~]# mysql -u root -p123

MariaDB [(none)]> CREATE DATABASE placement;

MariaDB [(none)]> GRANT ALL PRIVILEGES ON placement.* TO 'placement'@'localhost' IDENTIFIED BY '123';

MariaDB [(none)]> GRANT ALL PRIVILEGES ON placement.* TO 'placement'@'%' IDENTIFIED BY '123';

4.2 配置用户

[root@controller ~]# openstack user create --domain default --password-prompt placement

[root@controller ~]# openstack role add --project service --user placement admin

[root@controller ~]# openstack service create --name placement \           --description "Placement API" placement

4.3 创建服务端点

[root@controller ~]# openstack endpoint create --region RegionOne \

  placement public http://controller:8778

[root@controller ~]# openstack endpoint create --region RegionOne \

  placement admin http://controller:8778

[root@controller ~]# openstack endpoint create --region RegionOne \

  placement internal http://controller:8778

4.4 安装placement

[root@controller ~]# yum install openstack-placement-api -y

4.5 placement配置文件

[placement_database]

connection = mysql+pymysql://placement:123@controller/placement

[api]

auth_strategy = keystone

[keystone_authtoken]

auth_url = http://controller:5000/v3

memcached_servers = controller:11211

auth_type = password

project_domain_name = Default

user_domain_name = Default

project_name = service

username = placement

password = 123

4.6 同步数据库

[root@controller ~]# su -s /bin/sh -c "placement-manage db sync" placement

4.7 重启httpd服务

[root@controller ~]# systemctl restart httpd

4.8 验证服务

[root@controller ~]# placement-status upgrade check

+----------------------------------+

| Upgrade Check Results            |

+----------------------------------+

| Check: Missing Root Provider IDs |

| Result: Success                  |

| Details: None                    |

+----------------------------------+

| Check: Incomplete Consumers      |

| Result: Success                  |

| Details: None                    |

+----------------------------------+

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OpenStack Centos7 T版本搭建