如何重启openstack的服务
这篇文章主要介绍如何重启openstack的服务，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
实际生产环境是juno版本，参考了官网的文档《openstack-ops-manual》，文档上是先servcie stop，后start，挺麻烦的，直接restart，整理后的重启命令如下：
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补充：rabbitmq服务状态查看命令：rabbitmqctl status
OpenStack Identity:
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OpenStack Image Service:
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OpenStack Compute:
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OpenStack Block Storage:
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Restart compute services:
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Restart ceilometer services:
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neutron部分参照下面列出的服务名：
[root@node-9 ~]# chkconfig --list|grep neutron
neutron-dhcp-agent0:off1:off2:on3:on4:on5:on6:off
neutron-l3-agent0:off1:off2:on3:on4:on5:on6:off
neutron-lbaas-agent0:off1:off2:off3:off4:off5:off6:off
neutron-metadata-agent0:off1:off2:on3:on4:on5:on6:off
neutron-openvswitch-agent0:off1:off2:on3:on4:on5:on6:off
neutron-ovs-cleanup0:off1:off2:on3:on4:on5:on6:off
neutron-server 0:off1:off2:on3:on4:on5:on6:off
具体命令就是service + 上面的服务名 + restart ，这里就不重复了。
最后，可以通过下面的命令检查一下是不是有遗漏的服务没有重启，一般来说，上面的重启命令应该就足够了，有一些不是关键进程，可以不重启，具体需要看你的需求了。
[root@node-9 ~]# chkconfig --list|grep openstack
openstack-cinder-api0:off1:off2:on3:on4:on5:on6:off
openstack-cinder-backup0:off1:off2:off3:off4:off5:off6:off
openstack-cinder-scheduler0:off1:off2:on3:on4:on5:on6:off
openstack-cinder-volume0:off1:off2:off3:off4:off5:off6:off
openstack-glance-api0:off1:off2:on3:on4:on5:on6:off
openstack-glance-registry0:off1:off2:on3:on4:on5:on6:off
openstack-glance-scrubber0:off1:off2:off3:off4:off5:off6:off
openstack-heat-api0:off1:off2:on3:on4:on5:on6:off
openstack-heat-api-cfn0:off1:off2:on3:on4:on5:on6:off
openstack-heat-api-cloudwatch0:off1:off2:on3:on4:on5:on6:off
openstack-heat-engine0:off1:off2:on3:on4:on5:on6:off
openstack-keystone0:off1:off2:on3:on4:on5:on6:off
openstack-nova-api0:off1:off2:on3:on4:on5:on6:off
openstack-nova-cert0:off1:off2:on3:on4:on5:on6:off
openstack-nova-conductor0:off1:off2:on3:on4:on5:on6:off
openstack-nova-console0:off1:off2:off3:off4:off5:off6:off
openstack-nova-consoleauth0:off1:off2:on3:on4:on5:on6:off
openstack-nova-metadata-api0:off1:off2:off3:off4:off5:off6:off
openstack-nova-novncproxy0:off1:off2:on3:on4:on5:on6:off
openstack-nova-objectstore0:off1:off2:on3:on4:on5:on6:off
openstack-nova-scheduler0:off1:off2:on3:on4:on5:on6:off
openstack-nova-xvpvncproxy0:off1:off2:off3:off4:off5:off6:off
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