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                [TOC] ## 環境和軟件規劃 ### 資料來源 采用以下鏈接中已制作好的centos7.4的ova模板直接導入VMware中做模板機,同時鏈接中包含有緩存好的rpm包,可加快速度并統一軟件版本,避免不必要的踩坑 **資料包** https://pan.baidu.com/s/1tQzbz\_qeGF0tht3vXh8RTg 密碼:artp **安裝文檔** 本次安裝選用的是Mitaka版 [openstack官方文檔地址](https://docs.openstack.org/) ### 主機規劃 | 主機名 | IP地址 | 操作系統 | 內存 | 主機用途 | | --- | --- | --- | --- |--- | | controller | 10.0.0.11 | centos7.4 | 3G | 控制節點 | | compute01 | 10.0.0.31 | centos7.4 | 1G | 計算節點1 | | compute02 | 10.0.0.32 | centos7.4 | 1G | 計算節點2 | ## 主機準備 以下大部分操作三臺主機都要執行,但配置中的主機名和IP以各自的為準,如果三臺機器有不一樣的操作,會單獨說明. 以下配置以`compute02 `為例記錄,注意識別修改 ### 上傳模板并克隆 先將centos7.4的光盤鏡像掛載并啟用,然后克隆 克隆過程略 ### 克隆后主要修改項 1. 改ip ```sh vim /etc/sysconfig/network-scripts/ifcfg-eth0 IPADDR=10.0.0.31 GATEWAY=10.0.0.254 systemctl restart network ``` 2. 修改主機名 ```sh hostnamectl set-hostname compute01 #重新登陸生效 ``` 3. 修改hosts解析 在hosts文件中增加以下解析信息 ```sh vim /etc/hosts 10.0.0.11 controller 10.0.0.31 compute01 10.0.0.32 compute02 ``` ### 配置本地yum源 1. 掛載光盤 ```sh mount /dev/cdrom /mnt echo 'mount /dev/cdrom /mnt' >>/etc/rc.local chmod +x /etc/rc.d/rc.local ``` 2. 上傳rpm包并解壓 ```sh cd /opt/ rz ...#上傳 tar xf openstack_rpm.tar.gz ``` 3. 生成repo配置文件 ```sh cat >/etc/yum.repos.d/local.repo <<EOF [local] name=local baseurl=file:///mnt gpgcheck=0 [openstack] name=openstack baseurl=file:///opt/repo gpgcheck=0 EOF yum makecache ``` ### 設置時間同步chrony * 控制節點: 修改配置文件第26行為 ```sh vim /etc/chrony.conf allow 10.0.0.0/24 systemctl restart chronyd ``` * 計算節點: 修改配置文件第3行為 ```sh vim /etc/chrony.conf server 10.0.0.11 iburst systemctl restart chronyd ``` ### 安裝openstack客戶端 ```sh yum install python-openstackclient openstack-selinux -y ``` ### 安裝配置mariadb/mysql 以下僅控制節點 需要安裝 1. 安裝數據庫 ```sh yum install mariadb mariadb-server python2-PyMySQL -y ``` 2. 配置數據庫啟動文件 ```sh cat >/etc/my.cnf.d/openstack.cnf <<EOF [mysqld] bind-address = 10.0.0.11 default-storage-engine = innodb innodb_file_per_table max_connections = 4096 collation-server = utf8_general_ci character-set-server = utf8 EOF ``` 3. 啟動數據庫 ```sh systemctl start mariadb systemctl enable mariadb ``` 4. 數據庫安全初始化 ```sh mysql_secure_installation #本次是測試環境,數據庫不設置密碼 ``` ### 安裝配置rabbitmq 僅控制節點操作: 用戶nova組件間通信 1. 安裝啟動rabbitmq ```sh yum install rabbitmq-server -y systemctl start rabbitmq-server.service systemctl enable rabbitmq-server.service ``` 2. 創建授權用戶并開啟web插件 插件安裝好后可以訪問如下地址:http://10.0.0.11:15672,用戶名和密碼默認都是`guest` ```sh rabbitmqctl add_user openstack RABBIT_PASS rabbitmqctl set_permissions openstack ".*" ".*" ".*" rabbitmq-plugins enable rabbitmq_management ``` ### 安裝memcache 僅控制節點操作: 用戶認證服務緩存 ```sh yum install memcached python-memcached -y sed -i 's#127.0.0.1#10.0.0.11#g' /etc/sysconfig/memcached systemctl restart memcached.service systemctl enable memcached.service ``` 至此,準備工作完成,可以開始6大節點的安裝了
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