tmrgo/demo/micro-go-course-master/section25

1 部署docker
docker run -p 2379:2379 -p 2380:2380 --mount type=bind,source=/tmp/etcd-data.tmp,destination=/etcd-data --name etcd-gcr-v3.4.7 gcr.io/etcd-development/etcd:v3.4.7 /usr/local/bin/etcd --name s1 --data-dir /etcd-data --listen-client-urls http://0.0.0.0:2379 --advertise-client-urls http://0.0.0.0:2379 --listen-peer-urls http://0.0.0.0:2380 --initial-advertise-peer-urls http://0.0.0.0:2380 --initial-cluster s1=http://0.0.0.0:2380 --initial-cluster-token tkn --initial-cluster-state new --log-level info --logger zap --log-outputs stderr

2 进入容器

docker exec -it 127211f71a26[设置自己运行容器的ID] /sh

3 设置属性值

etcdctl put call_service_d "0" 表示降级，不调用
etcdctl put call_service_d "1" 表示不降级，调用