go install -v ./tools/etcd-dump-metrics

# for latest master branch
etcd-dump-metrics > docs/metrics-latest

# download etcd v3.3 to ./bin
goreman start
etcd-dump-metrics -addr http://localhost:2379/metrics > docs/metrics-v3.3

# download etcd v3.2 to ./bin
goreman start
etcd-dump-metrics -addr http://localhost:2379/metrics > docs/metrics-v3.2

# download etcd v3.1 to ./bin
goreman start
etcd-dump-metrics -addr http://localhost:2379/metrics > docs/metrics-v3.1