本文为解惑贴,问题为:
1.OpenStack Nova 数据库把数据库表记录或则搞坏的时候,该怎么做?重装还是重置,该如何重置?
如果使用 OpenStack 的时候遇到莫名其妙的问题,或者直接操作 OpenStack 数据表的时候把里面的关系或记录搞砸了,或者使用一些从网上抄来连自己都不理解的命令把数据库记录弄乱了,或者自己想推倒重来等等,碰到这些问题的时候大家想到的第一个办法就是“重装系统,重装 OpenStack”,其实大部分时候都不必要重装,只需要重置一下数据库就可以了,避免重复劳动把操作命令整理到下面的简单脚本里:
- #!/bin/bash
- # Reset nova database and restart nova services
- # written by vpsee.com
-
- # Delete the database and create a new one
- mysql -u root -ppassword -e "drop database nova;"
- mysql -u root -ppassword -e "create database nova;"
- mysql -u root -ppassword -e "set password for 'root'@'%'=password('password');"
- mysql -u root -ppassword -e "grant all privileges on *.* to 'root'@'%';"
-
- # Sync up the database scheme
- nova-manage db sync
-
- # Create a network
- nova-manage network create private 10.0.1.0/24 1 256
- nova-manage floating create 192.168.2.240/28
-
- # Create a admin user and a project and assign the admin user to it
- nova-manage user admin vpsee
- nova-manage project create vpseecloud vpsee
-
- # Restart all the services
- restart libvirt-bin
- restart nova-api
- restart nova-scheduler
- restart nova-network
- restart nova-volume
- restart nova-compute
-
- # Create novarc
- nova-manage project zipfile vpseecloud vpsee
- unzip nova.zip
- . novarc
-
- # Allowing icmp and ssh access to instances
- euca-authorize -P icmp -t -1:-1 default
- euca-authorize -P tcp -p 22 default
-
- # Create a keypair
- euca-add-keypair vpsee > vpsee.priv
- chmod 600 vpsee.priv
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