删除Openstack所有组件
我们有时在机器上安装了一次OpenStack后，发现配置有问题或者其他原因，想将整个openstack环境删除，避免重装机器，可以用下面的脚本在执行# Warning! Dangerous step! Destroys VMs
for x in $(virsh list --all | grep instance- | awk '{print $2}') ; do
virsh destroy $x ;
virsh undefine $x ;
done ;
# Warning! Dangerous step! Removes lots of packages, including many
# which may be unrelated to RDO.
yum remove -y nrpe "*nagios*" puppet "*ntp*" "*openstack*" \
"*nova*" "*keystone*" "*glance*" "*cinder*" "*swift*" \
mysql mysql-server httpd "*memcache*" scsi-target-utils \
iscsi-initiator-utils perl-DBI perl-DBD-MySQL ;
ps -ef | grep -i repli | grep swift | awk '{print $2}' | xargs kill ;
# Warning! Dangerous step! Deletes local application data
rm -rf /etc/nagios /etc/yum.repos.d/packstack_* /root/.my.cnf \
/var/lib/mysql/ /var/lib/glance /var/lib/nova /etc/nova /etc/swift \
/srv/node/device*/* /var/lib/cinder/ /etc/rsync.d/frag* \
/var/cache/swift /var/log/keystone ;
umount /srv/node/device* ;
killall -9 dnsmasq tgtd httpd ;
setenforce 1 ;
vgremove -f cinder-volumes ;
losetup -a | sed -e 's/:.*//g' | xargs losetup -d ;
find /etc/pki/tls -name "ssl_ps*" | xargs rm -rf ;
for x in $(df | grep "/lib/" | sed -e 's/.* //g') ; do
umount $x ;
done
yum -y remove `rpm -qa|grep qemu`
执行完了，记得重启一下，数据库如果安装在其它的机器上，需要清空。
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