vitess数据中心迁移步骤
#测试集群２操作//从全局ETCd拷贝数据到测试集群２
export ETCDCTL_API=3 && etcdctl make-mirror --endpoints="http://etcd-global.test.com:4001" --dest-prefix="/vt/test2" --prefix="/vt/test2" "http://etcd-test2.datacenter.local:4001"
export ETCDCTL_API=3 && etcdctl --endpoints="http://etcd-test2.datacenter.local:4001" --prefix=true --keys-only=true get /vt
//这部分需要好好校验
export ETCDCTL_API=3 && etcdctl --endpoints="http://etcd-global.test.com:4001" --prefix=true --keys-only=true get /vt/global/cells
//使用etcdctl更新删除cell信息
#/vt/global/cells/test2 信息没有用，需要从global删除; 删除后通过vtctld才能看到CellInfo
export ETCDCTL_API=3 && etcdctl --endpoints=http://etcd-global.test.com:4001 del "/vt/global/cells/test2"
//更新CellInfo
vtctl -topo_implementation etcd2 -topo_global_server_address http://etcd-global.test.com:４001 -topo_global_root /vt/global GetCellInfo test2
vtctl -topo_implementation etcd2 -topo_global_server_address http://etcd-global.test.com:4001 -topo_global_root /vt/global UpdateCellInfo -server_address http://etcd-test2.datacenter.local:4001 -root /vt/test2 test2
//使用滚动更新更新VTCTLD
//更新测试集群２
kubectl -s https://192.168.110.130:8080 --insecure-skip-tls-verify=true --username="user" --password="pwd" --namespace=datacenter rolling-update vtctld-test2 --image=192.168.110.110/vitesss/lite:mysql57_2.2.3_master
//使用滚动更新更新VTGATE
//更新测试集群２
kubectl -s https://192.168.110.130:8080 --insecure-skip-tls-verify=true --username="user" --password="pwd" --namespace=datacenter rolling-update vtgate-test2 --image=192.168.110.110/vitesss/lite:mysql57_2.2.3_master
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