Merge pull request #40 from Gaboose/master

Try to fix import statements in etcd.go again. Update etcdv3 client.

go.mod

@@ -5,39 +5,22 @@ go 1.12
 require (
 	github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878 // indirect
 	github.com/aws/aws-sdk-go v1.16.23
-	github.com/coreos/bbolt v1.3.3 // indirect
-	github.com/coreos/etcd v3.3.13+incompatible
-	github.com/coreos/go-semver v0.2.0 // indirect
-	github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f // indirect
-	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
-	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
-	github.com/gogo/protobuf v1.2.0 // indirect
 	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
-	github.com/google/btree v1.0.0 // indirect
 	github.com/gorilla/websocket v1.4.0 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 // indirect
-	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.9.5 // indirect
 	github.com/hashicorp/consul/api v1.1.0
 	github.com/hashicorp/go-msgpack v0.5.5 // indirect
 	github.com/hashicorp/memberlist v0.1.4 // indirect
-	github.com/jonboulle/clockwork v0.1.0 // indirect
 	github.com/onsi/ginkgo v1.8.0 // indirect
 	github.com/onsi/gomega v1.5.0 // indirect
 	github.com/prometheus/client_golang v1.1.0 // indirect
-	github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4 // indirect
 	github.com/samuel/go-zookeeper v0.0.0-20180130194729-c4fab1ac1bec
-	github.com/soheilhy/cmux v0.1.4 // indirect
-	github.com/stretchr/testify v1.3.0
+	github.com/stretchr/testify v1.4.0
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect
-	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
 	go.etcd.io/bbolt v1.3.4
-	go.etcd.io/etcd v3.3.13+incompatible
-	go.uber.org/atomic v1.4.0 // indirect
-	go.uber.org/multierr v1.1.0 // indirect
-	go.uber.org/zap v1.10.0 // indirect
-	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect
-	golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6 // indirect
+	// v0.5.0-alpha.5.0.20200329194405-dd816f0735f8 is actually later than v3.3.20,
+	// but etcd's versioning is broken until they release this fix:
+	// https://github.com/etcd-io/etcd/pull/11823
+	go.etcd.io/etcd v0.5.0-alpha.5.0.20200329194405-dd816f0735f8
 	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
 	gopkg.in/redis.v5 v5.2.9
 )