Merge pull request #14 from ankitrgadiya/master

Upgrading etcd client/api to v3

Author: hsluoyz

README.md

@@ -5,7 +5,7 @@ Etcd Watcher is the [Etcd](https://github.com/coreos/etcd) watcher for [Casbin](
 
 ## Installation
 
-    go get github.com/casbin/etcd-watcher
+    go get github.com/casbin/etcd-watcher/v2
 
 ## Simple Example
 
@@ -15,8 +15,8 @@ package main
 import (
     "log"
 
-    "github.com/casbin/casbin"
-    "github.com/casbin/etcd-watcher"
+    casbin "github.com/casbin/casbin/v2"
+    etcdwatcher "github.com/casbin/etcd-watcher/v2"
 )
 
 func updateCallback(rev string) {
@@ -26,7 +26,7 @@ func updateCallback(rev string) {
 func main() {
     // Initialize the watcher.
     // Use the endpoint of etcd cluster as parameter.
-    w, _ := etcdwatcher.NewWatcher("http://127.0.0.1:2379")
+    w, _ := etcdwatcher.NewWatcher([]string{"http://127.0.0.1:2379"}, "keyname")
 
     // Initialize the enforcer.
     e, _ := casbin.NewEnforcer("examples/rbac_model.conf", "examples/rbac_policy.csv")

go.mod

@@ -1,20 +1,9 @@
-module github.com/casbin/etcd-watcher
+module github.com/casbin/etcd-watcher/v2
 
 go 1.16
 
 require (
 	github.com/casbin/casbin/v2 v2.30.2
-	github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403 // indirect
-	github.com/coreos/etcd v3.3.25+incompatible // indirect
-	github.com/coreos/go-semver v0.3.0 // indirect
-	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
-	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
-	github.com/envoyproxy/go-control-plane v0.9.5 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/google/uuid v1.2.0 // indirect
-	github.com/stretchr/testify v1.5.1 // indirect
-	go.etcd.io/etcd v3.3.25+incompatible
-	go.uber.org/zap v1.16.0 // indirect
-	google.golang.org/grpc v1.26.0 // indirect; updating this breaks etcd
+	go.etcd.io/etcd/api/v3 v3.5.0
+	go.etcd.io/etcd/client/v3 v3.5.0
 )