diff --git a/.gitignore b/.gitignore
index 3769d10aa12348464cb315fd336bf6b7234069cc..1e651f122beb2ff487b0ef897af6fa74be9bfd1d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,9 +17,9 @@ coverage.txt
 target/
 classes
 
-
-# Gopkg.lock
+# go mod, go test
 vendor/
+coverage.txt
 
 logs/
 .vscode/
diff --git a/common/url.go b/common/url.go
index c594df235134d71d98b83c11b2f6eb9312283aae..36454f91b95d3f9b2babfd06f44a065a20f5a0c0 100644
--- a/common/url.go
+++ b/common/url.go
@@ -108,16 +108,19 @@ func WithParams(params url.Values) option {
 		url.Params = params
 	}
 }
+
 func WithParamsValue(key, val string) option {
 	return func(url *URL) {
 		url.Params.Set(key, val)
 	}
 }
+
 func WithProtocol(proto string) option {
 	return func(url *URL) {
 		url.Protocol = proto
 	}
 }
+
 func WithIp(ip string) option {
 	return func(url *URL) {
 		url.Ip = ip
@@ -141,6 +144,7 @@ func WithLocation(location string) option {
 		url.Location = location
 	}
 }
+
 func NewURLWithOptions(opts ...option) *URL {
 	url := &URL{}
 	for _, opt := range opts {
diff --git a/config/config_loader.go b/config/config_loader.go
index b033aced5365dc58b06887d95b15b24ec91980a9..c5127c8c43622e7b26c998eb54e1b1803e6575ec 100644
--- a/config/config_loader.go
+++ b/config/config_loader.go
@@ -36,8 +36,8 @@ var (
 	maxWait        = 3
 )
 
-// loaded comsumer & provider config from xxx.yml, and log config from xxx.xml
-// Namely: dubbo.comsumer.xml & dubbo.provider.xml in java dubbo
+// loaded consumer & provider config from xxx.yml, and log config from xxx.xml
+// Namely: dubbo.consumer.xml & dubbo.provider.xml in java dubbo
 func init() {
 	var (
 		confConFile, confProFile string
@@ -70,9 +70,8 @@ func Load() {
 				SetConsumerService(genericService)
 			}
 			rpcService := GetConsumerService(key)
-
 			if rpcService == nil {
-				logger.Warnf("%s is not exsist!", key)
+				logger.Warnf("%s does not exist!", key)
 				continue
 			}
 			ref.id = key
@@ -99,7 +98,7 @@ func Load() {
 						break
 					}
 					if refconfig.invoker == nil {
-						logger.Warnf("The interface %s invoker not exsist , may you should check your interface config.", refconfig.InterfaceName)
+						logger.Warnf("The interface %s invoker not exist , may you should check your interface config.", refconfig.InterfaceName)
 					}
 				}
 			}
@@ -120,7 +119,7 @@ func Load() {
 		for key, svs := range providerConfig.Services {
 			rpcService := GetProviderService(key)
 			if rpcService == nil {
-				logger.Warnf("%s is not exsist!", key)
+				logger.Warnf("%s does not exist!", key)
 				continue
 			}
 			svs.id = key
diff --git a/examples/consul/README.md b/examples/consul/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..bb475526e8c1ccc6c9cc2365caa2a06b2f69d997
--- /dev/null
+++ b/examples/consul/README.md
@@ -0,0 +1,44 @@
+# consul
+
+Examples for consul registry. Before running examples below, make sure that consul has been started.
+
+## requirement
+
+- consul
+- go 1.12
+- java 8
+- maven 3.6.1
+
+## go-server
+
+```
+$ cd examples/consul/go-server
+$ export CONF_PROVIDER_FILE_PATH="config/server.yml"
+$ export APP_LOG_CONF_FILE="config/log.yml"
+$ go run .
+```
+
+## go-client
+
+```
+$ cd examples/consul/go-client
+$ export CONF_CONSUMER_FILE_PATH="config/client.yml"
+$ export APP_LOG_CONF_FILE="config/log.yml"
+$ go run .
+```
+
+## java-server
+
+```
+$ cd examples/consul/java-server
+$ mvn clean package
+$ java -jar target/java-server-1.0.0.jar
+```
+
+## java-client
+
+```
+$ cd examples/consul/java-client
+$ mvn clean package
+$ java -jar target/java-client-1.0.0.jar
+```
\ No newline at end of file
diff --git a/examples/consul/go-client/client.go b/examples/consul/go-client/client.go
new file mode 100644
index 0000000000000000000000000000000000000000..73a9bc9c3cddb7fc23cae2cd8d776bc68ef26af8
--- /dev/null
+++ b/examples/consul/go-client/client.go
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"fmt"
+)
+
+import (
+	_ "github.com/apache/dubbo-go/cluster/cluster_impl"
+	_ "github.com/apache/dubbo-go/cluster/loadbalance"
+	_ "github.com/apache/dubbo-go/common/proxy/proxy_factory"
+	"github.com/apache/dubbo-go/config"
+	_ "github.com/apache/dubbo-go/filter/impl"
+	_ "github.com/apache/dubbo-go/protocol/dubbo"
+	_ "github.com/apache/dubbo-go/registry/consul"
+	_ "github.com/apache/dubbo-go/registry/protocol"
+)
+
+func main() {
+	config.Load()
+
+	message, err := dubboService.SayHello([]interface{}{"world"})
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(message)
+}
diff --git a/examples/consul/go-client/config/client.yml b/examples/consul/go-client/config/client.yml
new file mode 100644
index 0000000000000000000000000000000000000000..8a7458c384bc80b5096aa1b3496f9f1430753a07
--- /dev/null
+++ b/examples/consul/go-client/config/client.yml
@@ -0,0 +1,52 @@
+application_config:
+  organization : "ikurento.com"
+  name  : "BDTService"
+  module : "dubbogo user-info client"
+  version : "0.0.1"
+  owner : "ZX"
+  environment : "test"
+
+registries :
+  "consul":
+    protocol: "consul"
+    timeout	: "3s"
+    address: "127.0.0.1:8500"
+    username: ""
+    password: ""
+
+references:
+  "DubboService":
+    protocol : "dubbo"
+    interface : "dubbo.DubboService"
+    cluster: "failover"
+    methods :
+      - name: "SayHello"
+        retries: 3
+
+protocol_conf:
+  dubbo:
+    reconnect_interval: 0
+    connection_number: 2
+    heartbeat_period: "5s"
+    session_timeout: "20s"
+    fail_fast_timeout: "5s"
+    pool_size: 64
+    pool_ttl: 600
+    getty_session_param:
+      compress_encoding: false
+      tcp_no_delay: true
+      tcp_keep_alive: true
+      keep_alive_period: "120s"
+      tcp_r_buf_size: 262144
+      tcp_w_buf_size: 65536
+      pkg_rq_size: 1024
+      pkg_wq_size: 512
+      tcp_read_timeout: "1s"
+      tcp_write_timeout: "5s"
+      wait_timeout: "1s"
+      max_msg_len: 10240
+      session_name: "client"
+
+check: true
+request_timeout : "3s"
+connect_timeout : "3s"
diff --git a/examples/consul/go-client/config/log.yml b/examples/consul/go-client/config/log.yml
new file mode 100644
index 0000000000000000000000000000000000000000..baee0b7248484e425f88f35ab128212c931ff85e
--- /dev/null
+++ b/examples/consul/go-client/config/log.yml
@@ -0,0 +1,28 @@
+
+level: "info"
+development: false
+disableCaller: false
+disableStacktrace: true
+sampling:
+encoding: "console"
+
+# encoder
+encoderConfig:
+  messageKey: "message"
+  levelKey: "level"
+  timeKey: "time"
+  nameKey: "logger"
+  callerKey: "caller"
+  stacktraceKey: "stacktrace"
+  lineEnding: ""
+  levelEncoder: "capitalColor"
+  timeEncoder: "iso8601"
+  durationEncoder: "seconds"
+  callerEncoder: "short"
+  nameEncoder: ""
+
+outputPaths:
+  - "stderr"
+errorOutputPaths:
+  - "stderr"
+initialFields:
diff --git a/examples/consul/go-client/service.go b/examples/consul/go-client/service.go
new file mode 100644
index 0000000000000000000000000000000000000000..0f7cca59857f0b66e8fab51c0ec95e3adfead44a
--- /dev/null
+++ b/examples/consul/go-client/service.go
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"github.com/apache/dubbo-go/config"
+)
+
+var dubboService = new(DubboService)
+
+func init() {
+	config.SetConsumerService(dubboService)
+}
+
+type DubboService struct {
+	SayHello func(req interface{}) (string, error)
+}
+
+func (s *DubboService) Reference() string {
+	return "DubboService"
+}
diff --git a/examples/consul/go-server/config/log.yml b/examples/consul/go-server/config/log.yml
new file mode 100644
index 0000000000000000000000000000000000000000..baee0b7248484e425f88f35ab128212c931ff85e
--- /dev/null
+++ b/examples/consul/go-server/config/log.yml
@@ -0,0 +1,28 @@
+
+level: "info"
+development: false
+disableCaller: false
+disableStacktrace: true
+sampling:
+encoding: "console"
+
+# encoder
+encoderConfig:
+  messageKey: "message"
+  levelKey: "level"
+  timeKey: "time"
+  nameKey: "logger"
+  callerKey: "caller"
+  stacktraceKey: "stacktrace"
+  lineEnding: ""
+  levelEncoder: "capitalColor"
+  timeEncoder: "iso8601"
+  durationEncoder: "seconds"
+  callerEncoder: "short"
+  nameEncoder: ""
+
+outputPaths:
+  - "stderr"
+errorOutputPaths:
+  - "stderr"
+initialFields:
diff --git a/examples/consul/go-server/config/server.yml b/examples/consul/go-server/config/server.yml
new file mode 100644
index 0000000000000000000000000000000000000000..c12800e68d1c32793cb6860561f3240f196a6a78
--- /dev/null
+++ b/examples/consul/go-server/config/server.yml
@@ -0,0 +1,52 @@
+application_config:
+  organization : "ikurento.com"
+  name : "BDTService"
+  module : "dubbogo user-info server"
+  version : "0.0.1"
+  owner : "ZX"
+  environment : "test"
+
+registries :
+  "consul":
+    protocol: "consul"
+    timeout	: "3s"
+    address: "127.0.0.1:8500"
+    username: ""
+    password: ""
+
+services:
+  "DubboService":
+    protocol : "dubbo"
+    interface : "dubbo.DubboService"
+    loadbalance: "random"
+    warmup: "100"
+    cluster: "failover"
+    methods:
+      - name: "SayHello"
+        retries: 1
+        loadbalance: "random"
+
+protocols:
+  "dubbo1":
+      name: "dubbo"
+      port: 20000
+
+protocol_conf:
+  dubbo:
+    session_number: 700
+    fail_fast_timeout: "5s"
+    session_timeout: "20s"
+    getty_session_param:
+      compress_encoding: false
+      tcp_no_delay: true
+      tcp_keep_alive: true
+      keep_alive_period: "120s"
+      tcp_r_buf_size: 262144
+      tcp_w_buf_size: 65536
+      pkg_rq_size: 1024
+      pkg_wq_size: 512
+      tcp_read_timeout: "1s"
+      tcp_write_timeout: "5s"
+      wait_timeout: "1s"
+      max_msg_len: 1024
+      session_name: "server"
diff --git a/examples/consul/go-server/server.go b/examples/consul/go-server/server.go
new file mode 100644
index 0000000000000000000000000000000000000000..798fe7c7b0632bf7d366d4bf500846fd6ced73e9
--- /dev/null
+++ b/examples/consul/go-server/server.go
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+)
+
+import (
+	_ "github.com/apache/dubbo-go/cluster/cluster_impl"
+	_ "github.com/apache/dubbo-go/cluster/loadbalance"
+	"github.com/apache/dubbo-go/common/logger"
+	_ "github.com/apache/dubbo-go/common/proxy/proxy_factory"
+	"github.com/apache/dubbo-go/config"
+	_ "github.com/apache/dubbo-go/filter/impl"
+	_ "github.com/apache/dubbo-go/protocol/dubbo"
+	_ "github.com/apache/dubbo-go/registry/consul"
+	_ "github.com/apache/dubbo-go/registry/protocol"
+)
+
+var (
+	survivalTimeout = int(3e9)
+)
+
+func main() {
+	config.Load()
+	initSignal()
+}
+
+func initSignal() {
+	signals := make(chan os.Signal, 1)
+	// It is not possible to block SIGKILL or syscall.SIGSTOP
+	signal.Notify(signals, os.Interrupt, os.Kill, syscall.SIGHUP, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
+	for {
+		sig := <-signals
+		logger.Infof("get signal %s", sig.String())
+		switch sig {
+		case syscall.SIGHUP:
+			// reload()
+		default:
+			go time.AfterFunc(time.Duration(float64(survivalTimeout)*float64(time.Second)), func() {
+				logger.Warnf("app exit now by force...")
+				os.Exit(1)
+			})
+
+			// The program exits normally or timeout forcibly exits.
+			fmt.Println("provider app exit now...")
+			return
+		}
+	}
+}
diff --git a/examples/consul/go-server/service.go b/examples/consul/go-server/service.go
new file mode 100644
index 0000000000000000000000000000000000000000..7c08ec99b93ce1d383fad3e717b4fdf2da0b5d6c
--- /dev/null
+++ b/examples/consul/go-server/service.go
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"github.com/apache/dubbo-go/config"
+)
+
+func init() {
+	config.SetProviderService(new(DubboService))
+}
+
+type DubboService struct{}
+
+func (s *DubboService) SayHello(message string) (string, error) {
+	return "hello " + message, nil
+}
+
+func (s *DubboService) Reference() string {
+	return "DubboService"
+}
diff --git a/examples/consul/java-client/.gitignore b/examples/consul/java-client/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..0bbcf418ec53691d6895a6ea8eeb56a264f2b735
--- /dev/null
+++ b/examples/consul/java-client/.gitignore
@@ -0,0 +1,7 @@
+.idea
+.gradle
+*.iml
+dependency-reduced-pom.xml
+out/
+build/
+target/
\ No newline at end of file
diff --git a/examples/consul/java-client/pom.xml b/examples/consul/java-client/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..cf7a588d688b8c9dcc125bd4dbbf5485ca4255f3
--- /dev/null
+++ b/examples/consul/java-client/pom.xml
@@ -0,0 +1,74 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>consul</groupId>
+    <artifactId>java-client</artifactId>
+    <version>1.0.0</version>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <version>1.2.17</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo</artifactId>
+            <version>2.7.1</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.ecwid.consul</groupId>
+            <artifactId>consul-api</artifactId>
+            <version>1.4.2</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>commons-logging</groupId>
+            <artifactId>commons-logging</artifactId>
+            <version>1.2</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.1.1</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <transformers>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>dubbo.client.Main</mainClass>
+                                </transformer>
+                            </transformers>
+                            <filters>
+                                <filter>
+                                    <artifact>*:*</artifact>
+                                    <excludes>
+                                        <exclude>META-INF/*.SF</exclude>
+                                        <exclude>META-INF/*.DSA</exclude>
+                                        <exclude>META-INF/*.RSA</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>
\ No newline at end of file
diff --git a/examples/consul/java-client/src/main/java/dubbo/DubboService.java b/examples/consul/java-client/src/main/java/dubbo/DubboService.java
new file mode 100644
index 0000000000000000000000000000000000000000..de6b5b53355d72f678355de5773aeb1f00ec1751
--- /dev/null
+++ b/examples/consul/java-client/src/main/java/dubbo/DubboService.java
@@ -0,0 +1,5 @@
+package dubbo;
+
+public interface DubboService {
+    String SayHello(String message);
+}
diff --git a/examples/consul/java-client/src/main/java/dubbo/client/Main.java b/examples/consul/java-client/src/main/java/dubbo/client/Main.java
new file mode 100644
index 0000000000000000000000000000000000000000..748273c6ae512ce457a29089269507bdd152336e
--- /dev/null
+++ b/examples/consul/java-client/src/main/java/dubbo/client/Main.java
@@ -0,0 +1,25 @@
+package dubbo.client;
+
+import org.apache.dubbo.config.ApplicationConfig;
+import org.apache.dubbo.config.ReferenceConfig;
+import org.apache.dubbo.config.RegistryConfig;
+import dubbo.DubboService;
+
+public class Main {
+    public static void main(String[] args) {
+        ApplicationConfig applicationConfig = new ApplicationConfig();
+        applicationConfig.setName("java-client");
+        applicationConfig.setQosPort(33333);
+
+        RegistryConfig registryConfig = new RegistryConfig();
+        registryConfig.setAddress("consul://127.0.0.1:8500");
+
+        ReferenceConfig<DubboService> referenceConfig = new ReferenceConfig<>();
+        referenceConfig.setApplication(applicationConfig);
+        referenceConfig.setRegistry(registryConfig);
+        referenceConfig.setInterface(DubboService.class);
+
+        DubboService dubboService = referenceConfig.get();
+        System.out.println(dubboService.SayHello("world"));
+    }
+}
diff --git a/examples/consul/java-client/src/main/resources/log4j.properties b/examples/consul/java-client/src/main/resources/log4j.properties
new file mode 100644
index 0000000000000000000000000000000000000000..097fa4309c1811750de0164bfaf2ebf354615d57
--- /dev/null
+++ b/examples/consul/java-client/src/main/resources/log4j.properties
@@ -0,0 +1,4 @@
+log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.Stdout.layout.conversionPattern=[%p] %c | %m\n
+log4j.rootLogger=INFO,Stdout
\ No newline at end of file
diff --git a/examples/consul/java-server/.gitignore b/examples/consul/java-server/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..0bbcf418ec53691d6895a6ea8eeb56a264f2b735
--- /dev/null
+++ b/examples/consul/java-server/.gitignore
@@ -0,0 +1,7 @@
+.idea
+.gradle
+*.iml
+dependency-reduced-pom.xml
+out/
+build/
+target/
\ No newline at end of file
diff --git a/examples/consul/java-server/pom.xml b/examples/consul/java-server/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..fb7018ccf8dbb1f4f5119eb970d6e011143a8635
--- /dev/null
+++ b/examples/consul/java-server/pom.xml
@@ -0,0 +1,74 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>consul</groupId>
+    <artifactId>java-server</artifactId>
+    <version>1.0.0</version>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <version>1.2.17</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo</artifactId>
+            <version>2.7.1</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.ecwid.consul</groupId>
+            <artifactId>consul-api</artifactId>
+            <version>1.4.2</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>commons-logging</groupId>
+            <artifactId>commons-logging</artifactId>
+            <version>1.2</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.1.1</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <transformers>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>dubbo.server.Main</mainClass>
+                                </transformer>
+                            </transformers>
+                            <filters>
+                                <filter>
+                                    <artifact>*:*</artifact>
+                                    <excludes>
+                                        <exclude>META-INF/*.SF</exclude>
+                                        <exclude>META-INF/*.DSA</exclude>
+                                        <exclude>META-INF/*.RSA</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>
\ No newline at end of file
diff --git a/examples/consul/java-server/src/main/java/dubbo/DubboService.java b/examples/consul/java-server/src/main/java/dubbo/DubboService.java
new file mode 100644
index 0000000000000000000000000000000000000000..de6b5b53355d72f678355de5773aeb1f00ec1751
--- /dev/null
+++ b/examples/consul/java-server/src/main/java/dubbo/DubboService.java
@@ -0,0 +1,5 @@
+package dubbo;
+
+public interface DubboService {
+    String SayHello(String message);
+}
diff --git a/examples/consul/java-server/src/main/java/dubbo/server/Impl/DubboServiceImpl.java b/examples/consul/java-server/src/main/java/dubbo/server/Impl/DubboServiceImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..61c5e9039c1eaaad0dcebaa0c43653eb23f2f92b
--- /dev/null
+++ b/examples/consul/java-server/src/main/java/dubbo/server/Impl/DubboServiceImpl.java
@@ -0,0 +1,11 @@
+package dubbo.server.Impl;
+
+import dubbo.DubboService;
+
+public class DubboServiceImpl implements DubboService {
+
+    @Override
+    public String SayHello(String message) {
+        return "hello " + message;
+    }
+}
diff --git a/examples/consul/java-server/src/main/java/dubbo/server/Main.java b/examples/consul/java-server/src/main/java/dubbo/server/Main.java
new file mode 100644
index 0000000000000000000000000000000000000000..10de77da797958e75a250bf2159abed48f971910
--- /dev/null
+++ b/examples/consul/java-server/src/main/java/dubbo/server/Main.java
@@ -0,0 +1,35 @@
+package dubbo.server;
+
+import org.apache.dubbo.config.ApplicationConfig;
+import org.apache.dubbo.config.ProtocolConfig;
+import org.apache.dubbo.config.RegistryConfig;
+import org.apache.dubbo.config.ServiceConfig;
+import dubbo.DubboService;
+import dubbo.server.Impl.DubboServiceImpl;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        ApplicationConfig applicationConfig = new ApplicationConfig();
+        applicationConfig.setName("java-server");
+
+        RegistryConfig registryConfig = new RegistryConfig();
+        registryConfig.setAddress("consul://127.0.0.1:8500");
+
+        ProtocolConfig protocolConfig = new ProtocolConfig();
+        protocolConfig.setName("dubbo");
+        protocolConfig.setHost("127.0.0.1");
+        protocolConfig.setPort(12345);
+
+        ServiceConfig<DubboService> serviceConfig = new ServiceConfig<>();
+        serviceConfig.setApplication(applicationConfig);
+        serviceConfig.setRegistry(registryConfig);
+        serviceConfig.setProtocol(protocolConfig);
+        serviceConfig.setInterface(DubboService.class);
+        serviceConfig.setRef(new DubboServiceImpl());
+        serviceConfig.export();
+
+        System.in.read();
+    }
+}
diff --git a/examples/consul/java-server/src/main/resources/log4j.properties b/examples/consul/java-server/src/main/resources/log4j.properties
new file mode 100644
index 0000000000000000000000000000000000000000..097fa4309c1811750de0164bfaf2ebf354615d57
--- /dev/null
+++ b/examples/consul/java-server/src/main/resources/log4j.properties
@@ -0,0 +1,4 @@
+log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.Stdout.layout.conversionPattern=[%p] %c | %m\n
+log4j.rootLogger=INFO,Stdout
\ No newline at end of file
diff --git a/go.mod b/go.mod
index 8ced5e0edfe1ba3bb0c36af4963c1d107b7a109a..12ab8c15559e2a56da44541727a0abbccebe4f25 100644
--- a/go.mod
+++ b/go.mod
@@ -10,25 +10,24 @@ require (
 	github.com/coreos/go-semver v0.3.0 // 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/dubbogo/getty v1.2.2
 	github.com/dubbogo/gost v1.1.1
 	github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239 // indirect
 	github.com/go-errors/errors v1.0.1 // indirect
-	github.com/gogo/protobuf v1.2.1 // indirect
 	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
 	github.com/golang/mock v1.3.1
 	github.com/google/btree v1.0.0 // 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 v1.5.3
+	github.com/hashicorp/consul/api v1.1.0
 	github.com/jehiah/go-strftime v0.0.0-20171201141054-1d33003b3869 // indirect
 	github.com/jonboulle/clockwork v0.1.0 // indirect
 	github.com/lestrrat/go-envload v0.0.0-20180220120943-6ed08b54a570 // indirect
 	github.com/lestrrat/go-file-rotatelogs v0.0.0-20180223000712-d3151e2a480f // indirect
 	github.com/lestrrat/go-strftime v0.0.0-20180220042222-ba3bf9c1d042 // indirect
 	github.com/magiconair/properties v1.8.1
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/nacos-group/nacos-sdk-go v0.0.0-20190723125407-0242d42e3dbb
 	github.com/pkg/errors v0.8.1
 	github.com/prometheus/client_golang v1.1.0 // indirect
diff --git a/go.sum b/go.sum
index dd8fc7a825c63eae394ede0797f33c58250bd526..40541db3605afa82a32cc03f376579c884ad2560 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,33 @@
+cloud.google.com/go v0.26.0 h1:e0WKqKTd5BnrG8aKH3J3h+QvEIQtSUcf2n5UZ5ZgLtQ=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/Azure/azure-sdk-for-go v16.0.0+incompatible h1:gr1qKY/Ll72VjFTZmaBwRK1yQHAxCnV25ekOKroc9ws=
+github.com/Azure/azure-sdk-for-go v16.0.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
+github.com/Azure/go-autorest v10.7.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
+github.com/Azure/go-autorest v10.15.3+incompatible h1:nhKI/bvazIs3C3TFGoSqKY6hZ8f5od5mb5/UcS6HVIY=
+github.com/Azure/go-autorest v10.15.3+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/DataDog/datadog-go v2.2.0+incompatible h1:V5BKkxACZLjzHjSgBbr2gvLA2Ae49yhc6CSY7MLy5k4=
+github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
+github.com/Jeffail/gabs v1.1.0 h1:kw5zCcl9tlJNHTDme7qbi21fDHZmXrnjMoXos3Jw/NI=
+github.com/Jeffail/gabs v1.1.0/go.mod h1:6xMvQMK4k33lb7GUUpaAPh6nKMmemQeg5d4gn7/bOXc=
+github.com/Microsoft/go-winio v0.4.3 h1:M3NHMuPgMSUPdE5epwNUHlRPSVzHs8HpRTrVXhR0myo=
+github.com/Microsoft/go-winio v0.4.3/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
+github.com/NYTimes/gziphandler v1.0.1 h1:iLrQrdwjDd52kHDA5op2UBJFjmOb9g+7scBan4RN8F0=
+github.com/NYTimes/gziphandler v1.0.1/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
+github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 h1:TngWCqHvy9oXAN6lEVMRuU21PR1EtLVZJmdB18Gu3Rw=
+github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5/go.mod h1:lmUJ/7eu/Q8D7ML55dXQrVaamCz2vxCfdQBasLZfHKk=
+github.com/SAP/go-hdb v0.12.0 h1:5hBQZ2jjyZ268qjDmoDZJuCyLzR6oRLI60eYzmTW9m4=
+github.com/SAP/go-hdb v0.12.0/go.mod h1:etBT+FAi1t5k3K3tf5vQTnosgYmhDkRi8jEnQqCnxF0=
+github.com/SermoDigital/jose v0.0.0-20180104203859-803625baeddc h1:LkkwnbY+S8WmwkWq1SVyRWMH9nYWO1P5XN3OD1tts/w=
+github.com/SermoDigital/jose v0.0.0-20180104203859-803625baeddc/go.mod h1:ARgCUhI1MHQH+ONky/PAtmVHQrP5JlGY0F3poXOp/fA=
+github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 h1:fLjPD/aNc3UIOA6tDi6QXUemppXK3P9BI7mr2hd6gx8=
+github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/Workiva/go-datastructures v1.0.50 h1:slDmfW6KCHcC7U+LP3DDBbm4fqTwZGn1beOFPfGaLvo=
 github.com/Workiva/go-datastructures v1.0.50/go.mod h1:Z+F2Rca0qCsVYDS8z7bAGm8f3UkzuWYS/oBZz5a7VVA=
+github.com/abdullin/seq v0.0.0-20160510034733-d5467c17e7af h1:DBNMBMuMiWYu0b+8KMJuWmfCkcxl09JwdlqwDZZ6U14=
+github.com/abdullin/seq v0.0.0-20160510034733-d5467c17e7af/go.mod h1:5Jv4cbFiHJMsVxt52+i0Ha45fjshj6wxYr1r19tB9bw=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/aliyun/alibaba-cloud-sdk-go v0.0.0-20190802083043-4cd0c391755e h1:MSuLXx/mveDbpDNhVrcWTMeV4lbYWKcyO4rH+jAxmX0=
@@ -9,14 +35,44 @@ github.com/aliyun/alibaba-cloud-sdk-go v0.0.0-20190802083043-4cd0c391755e/go.mod
 github.com/aliyun/aliyun-oss-go-sdk v0.0.0-20190307165228-86c17b95fcd5/go.mod h1:T/Aws4fEfogEE9v+HPhhw+CntffsBHJ8nXQCwKr0/g8=
 github.com/apache/dubbo-go-hessian2 v1.2.5-0.20190731020727-1697039810c8 h1:7zJlM+8bpCAUhv03TZnXkT4MLlLWng1s7An8CLuN73E=
 github.com/apache/dubbo-go-hessian2 v1.2.5-0.20190731020727-1697039810c8/go.mod h1:LWnndnrFXZmJLAzoyNAPNHSIJ1KOHVkTSsHgC3YYWlo=
+github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e h1:QEF07wC0T1rKkctt1RINW/+RMTVmiwxETico2l3gxJA=
+github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
+github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da h1:8GUt8eRujhVEGZFFEjBj46YV4rDjvGrNxb0KMWYkL2I=
+github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
+github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878 h1:EFSB7Zo9Eg91v7MJPVsifUysc/wPdN+NOnVe6bWbdBM=
+github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878/go.mod h1:3AMJUQhVx52RsWOnlkpikZr01T/yAVN2gn0861vByNg=
+github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310 h1:BUAU3CGlLvorLI26FmByPp2eC2qla6E1Tw+scpcg/to=
+github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
+github.com/asaskevich/govalidator v0.0.0-20180319081651-7d2e70ef918f h1:/8NcnxL60YFll4ehCwibKotx0BR9v2ND40fomga8qDs=
+github.com/asaskevich/govalidator v0.0.0-20180319081651-7d2e70ef918f/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
+github.com/aws/aws-sdk-go v1.15.24 h1:xLAdTA/ore6xdPAljzZRed7IGqQgC+nY+ERS5vaj4Ro=
+github.com/aws/aws-sdk-go v1.15.24/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
 github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f/go.mod h1:AuiFmCCPBSrqvVMvuqFuk0qogytodnVFVSN5CeJB8Gc=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQkY=
+github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932 h1:mXoPYz/Ul5HYEDvkta6I8/rnYM5gSdSV2tJ6XbZuEtY=
+github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932/go.mod h1:NOuUCSz6Q9T7+igc/hlvDOUdtWKryOrtFyIVABv/p7k=
+github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 h1:DDGfHa7BWjL4YnC6+E63dPcxHo2sUxDIu8g3QgEJdRY=
+github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869/go.mod h1:Ekp36dRnpXw/yCqJaO+ZrUyxD+3VXMFFr56k5XYrpB4=
+github.com/boltdb/bolt v1.3.1 h1:JQmyP4ZBrce+ZQu0dY660FMfatumYDLun9hBCUVIkF4=
+github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23 h1:D21IyuvjDCshj1/qq+pCNd3VZOAEI9jy6Bi131YlXgI=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
+github.com/cenkalti/backoff v2.1.1+incompatible h1:tKJnvO2kl0zmb/jA5UKAt4VoEVw1qxKWjE/Bpp46npY=
+github.com/cenkalti/backoff v2.1.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
+github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible h1:C29Ae4G5GtYyYMm1aztcyj/J5ckgJm2zwdDajFbx1NY=
+github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
+github.com/circonus-labs/circonusllhist v0.1.3 h1:TJH+oke8D16535+jHExHj4nQvzlZrj7ug5D7I/orNUA=
+github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/containerd/continuity v0.0.0-20181203112020-004b46473808 h1:4BX8f882bXEDKfWIf0wa8HRvpnBoPszJJXL+TVbBw4M=
+github.com/containerd/continuity v0.0.0-20181203112020-004b46473808/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
+github.com/coredns/coredns v1.1.2 h1:bAFHrSsBeTeRG5W3Nf2su3lUGw7Npw2UKeCJm/3A638=
+github.com/coredns/coredns v1.1.2/go.mod h1:zASH/MVDgR6XZTbxvOnsZfffS+31vg6Ackf/wo1+AM0=
 github.com/coreos/bbolt v1.3.3 h1:n6AiVyVRKQFNb6mJlwESEvvLoDyiTzXX7ORAUlkeBdY=
 github.com/coreos/bbolt v1.3.3/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.13+incompatible h1:8F3hqu9fGYLBifCmRCJsicFqDx/D68Rt3q1JMazcgBQ=
@@ -30,22 +86,60 @@ github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfc
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/denisenkom/go-mssqldb v0.0.0-20180620032804-94c9c97e8c9f h1:JtRnQbMXb3TcSIm1j452zI45lPMiAQ0puF8iK5EnY9M=
+github.com/denisenkom/go-mssqldb v0.0.0-20180620032804-94c9c97e8c9f/go.mod h1:xN/JuLBIz4bjkxNmByTiV1IbhfnYb6oo99phBn4Eqhc=
+github.com/denverdino/aliyungo v0.0.0-20170926055100-d3308649c661 h1:lrWnAyy/F72MbxIxFUzKmcMCdt9Oi8RzpAxzTNQHD7o=
+github.com/denverdino/aliyungo v0.0.0-20170926055100-d3308649c661/go.mod h1:dV8lFg6daOBZbT6/BDGIz6Y3WFGn8juu6G+CQ6LHtl0=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/digitalocean/godo v1.1.1/go.mod h1:h6faOIcZ8lWIwNQ+DN7b3CgX4Kwby5T+nbpNqkUIozU=
+github.com/digitalocean/godo v1.10.0 h1:uW1/FcvZE/hoixnJcnlmIUvTVNdZCLjRLzmDtRi1xXY=
+github.com/digitalocean/godo v1.10.0/go.mod h1:h6faOIcZ8lWIwNQ+DN7b3CgX4Kwby5T+nbpNqkUIozU=
+github.com/docker/go-connections v0.3.0 h1:3lOnM9cSzgGwx8VfK/NGOW5fLQ0GjIlCkaktF+n1M6o=
+github.com/docker/go-connections v0.3.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
+github.com/docker/go-units v0.3.3 h1:Xk8S3Xj5sLGlG5g67hJmYMmUgXv5N4PhkjJHHqrwnTk=
+github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/dubbogo/getty v1.2.2 h1:qDC9WXjxcs5NPvWZz2ruVKBKr2r1Jjm6i0Sq//CQwbE=
 github.com/dubbogo/getty v1.2.2/go.mod h1:K4b3MkGLf7T+lMgQNFgpg0dI1Wvv1PTisFs1Psf86kU=
 github.com/dubbogo/gost v1.1.1 h1:JCM7vx5edPIjDA5ovJTuzEEXuw2t7xLyrlgi2mi5jHI=
 github.com/dubbogo/gost v1.1.1/go.mod h1:R7wZm1DrmrKGr50mBZVcg6C9ekG8aL5hP+sgWcIDwQg=
+github.com/duosecurity/duo_api_golang v0.0.0-20190308151101-6c680f768e74 h1:2MIhn2R6oXQbgW5yHfS+d6YqyMfXiu2L55rFZC4UD/M=
+github.com/duosecurity/duo_api_golang v0.0.0-20190308151101-6c680f768e74/go.mod h1:UqXY1lYT/ERa4OEAywUqdok1T4RCRdArkhic1Opuavo=
+github.com/elazarl/go-bindata-assetfs v0.0.0-20160803192304-e1a2a7ec64b0 h1:ZoRgc53qJCfSLimXqJDrmBhnt5GChDsExMCK7t48o0Y=
+github.com/elazarl/go-bindata-assetfs v0.0.0-20160803192304-e1a2a7ec64b0/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
+github.com/envoyproxy/go-control-plane v0.8.0 h1:uE6Fp4fOcAJdc1wTQXLJ+SYistkbG1dNoi6Zs1+Ybvk=
+github.com/envoyproxy/go-control-plane v0.8.0/go.mod h1:GSSbY9P1neVhdY7G4wu+IK1rk/dqhiCC/4ExuWJZVuk=
+github.com/envoyproxy/protoc-gen-validate v0.0.14 h1:YBW6/cKy9prEGRYLnaGa4IDhzxZhRCtKsax8srGKDnM=
+github.com/envoyproxy/protoc-gen-validate v0.0.14/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239 h1:Ghm4eQYC0nEPnSJdVkTrXpu9KtoVCSo1hg7mtI7G9KU=
 github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239/go.mod h1:Gdwt2ce0yfBxPvZrHkprdPPTTS3N5rwmLE8T22KBXlw=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/structs v0.0.0-20180123065059-ebf56d35bba7 h1:bGT+Ub6bpzHl7AAYQhBrZ5nYTAH2SF/848WducU0Ao4=
+github.com/fatih/structs v0.0.0-20180123065059-ebf56d35bba7/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-errors/errors v1.0.1 h1:LUHzmkK3GUKUrL/1gfBUxAHzcev3apQlezX/+O7ma6w=
 github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
+github.com/go-ini/ini v1.25.4 h1:Mujh4R/dH6YL8bxuISne3xX2+qcQ9p0IxKAP6ExWoUo=
+github.com/go-ini/ini v1.25.4/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
+github.com/go-ldap/ldap v3.0.2+incompatible h1:kD5HQcAzlQ7yrhfn+h+MSABeAy/jAJhvIJ/QDllP44g=
+github.com/go-ldap/ldap v3.0.2+incompatible/go.mod h1:qfd9rJvER9Q0/D/Sqn1DfHRoBp40uXYvFoEVrNEPqRc=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
+github.com/go-ole/go-ole v1.2.1 h1:2lOsA72HgjxAuMlKpFiCbHTvu44PIVkZ5hqm3RSdI/E=
+github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
+github.com/go-sql-driver/mysql v0.0.0-20180618115901-749ddf1598b4 h1:1LlmVz15APoKz9dnm5j2ePptburJlwEH+/v/pUuoxck=
+github.com/go-sql-driver/mysql v0.0.0-20180618115901-749ddf1598b4/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/go-test/deep v1.0.2 h1:onZX1rnHT3Wv6cqNgYyFOOlgVKJrksuCMCRvJStbMYw=
+github.com/go-test/deep v1.0.2/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
+github.com/gocql/gocql v0.0.0-20180617115710-e06f8c1bcd78 h1:G7iRamCffNivybfZvsJjtk3k2qHa73xW+OysVkukcGk=
+github.com/gocql/gocql v0.0.0-20180617115710-e06f8c1bcd78/go.mod h1:4Fw1eo5iaEhDUs8XyuhSVCVy52Jq3L+/3GJgYkwc+/0=
+github.com/gogo/googleapis v1.1.0 h1:kFkMAZBNAn4j7K0GiZr8cRYzejq68VbheufiV3YuyFI=
+github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
@@ -61,36 +155,147 @@ github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/snappy v0.0.0-20170215233205-553a64147049/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0 h1:0udJVsspx3VBr5FwtLhQQtuAsVc79tTq0ocGIPAU6qo=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-github v17.0.0+incompatible h1:N0LgJ1j65A7kfXrZnUDaYCs/Sf4rEjNlfyDHW9dolSY=
+github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ=
+github.com/google/go-querystring v0.0.0-20170111101155-53e6ce116135 h1:zLTLjkaOFEFIOxY5BWLFLwh+cL8vOBW4XJ2aqLE/Tf0=
+github.com/google/go-querystring v0.0.0-20170111101155-53e6ce116135/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
+github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf/go.mod h1:HP5RmnzzSNb993RKQDq4+1A4ia9nllfqcQFTQJedwGI=
+github.com/google/gofuzz v1.0.0 h1:A8PeW59pxE9IoFRqBp37U+mSNaQoZ46F1f0f863XSXw=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/googleapis/gnostic v0.2.0 h1:l6N3VoaVzTncYYW+9yOz2LJJammFZGBO13sqgEhpy9g=
+github.com/googleapis/gnostic v0.2.0/go.mod h1:sJBsCZ4ayReDTBIg8b9dl28c5xFWyhBTVRp3pOg5EKY=
+github.com/gophercloud/gophercloud v0.0.0-20180828235145-f29afc2cceca h1:wobTb8SE189AuxzEKClyYxiI4nUGWlpVtl13eLiFlOE=
+github.com/gophercloud/gophercloud v0.0.0-20180828235145-f29afc2cceca/go.mod h1:3WdhXV3rUYy9p6AUW8d94kr+HS62Y4VL9mBnFxsD8q4=
+github.com/gopherjs/gopherjs v0.0.0-20180825215210-0210a2f0f73c/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gotestyourself/gotestyourself v2.2.0+incompatible h1:AQwinXlbQR2HvPjQZOmDhRqsv5mZf+Jb1RnSLxcqZcI=
+github.com/gotestyourself/gotestyourself v2.2.0+incompatible/go.mod h1:zZKM6oeNM8k+FRljX1mnzVYeS8wiGgQyvST1/GafPbY=
+github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7 h1:pdN6V1QBWetyv/0+wjACpqVH+eVULgEjkurDLq3goeM=
+github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:FecbI9+v66THATjSRHfNgh1IVFe/9kFxbXtjV0ctIMA=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 h1:Iju5GlWwrvL6UBg4zJJt3btmonfrMlCDdsejg4CZE7c=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.9.5 h1:UImYN5qQ8tuGpGE16ZmjvcTtTw24zw1QAp/SlnNrZhI=
 github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
+github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed h1:5upAirOpQc1Q53c0bnx2ufif5kANL7bfZWcc6VJWJd8=
+github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed/go.mod h1:tMWxXQ9wFIaZeTI9F+hmhFiGpFmhOHzyShyFUhRm0H4=
+github.com/hashicorp/consul v1.5.3 h1:EmTWRf/cuqZk6Ug9tgFUVE9xNgJPpmBvJwJMvm+agSk=
+github.com/hashicorp/consul v1.5.3/go.mod h1:61E2GJCPEP3oq8La7sfDdWGQ66+Zbxzw5ecOdFD7xIE=
+github.com/hashicorp/consul/api v1.1.0 h1:BNQPM9ytxj6jbjjdRPioQ94T6YXriSopn0i8COv6SRA=
+github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
+github.com/hashicorp/consul/sdk v0.1.1 h1:LnuDWGNsoajlhGyHJvuWW6FVqRl8JOTPqS6CPTsYjhY=
+github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
+github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
+github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/go-bexpr v0.1.0 h1:hA/9CWGPsQ6YZXvPvizD+VEEjBG4V6Un0Qcyav5ghK4=
+github.com/hashicorp/go-bexpr v0.1.0/go.mod h1:ANbpTX1oAql27TZkKVeW8p1w8NTdnyzPe/0qqPCKohU=
+github.com/hashicorp/go-checkpoint v0.0.0-20171009173528-1545e56e46de/go.mod h1:xIwEieBHERyEvaeKF/TcHh1Hu+lxPM+n2vT1+g9I4m4=
+github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
+github.com/hashicorp/go-cleanhttp v0.5.1 h1:dH3aiDG9Jvb5r5+bYHsikaOUIpcM0xvgMXVoDkXMzJM=
+github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
+github.com/hashicorp/go-discover v0.0.0-20190403160810-22221edb15cd h1:SynRxs8h2h7lLSA5py5a3WWkYpImhREtju0CuRd97wc=
+github.com/hashicorp/go-discover v0.0.0-20190403160810-22221edb15cd/go.mod h1:ueUgD9BeIocT7QNuvxSyJyPAM9dfifBcaWmeybb67OY=
+github.com/hashicorp/go-hclog v0.9.1 h1:9PZfAcVEvez4yhLH2TBU64/h/z4xlFI80cWXRrxuKuM=
+github.com/hashicorp/go-hclog v0.9.1/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
+github.com/hashicorp/go-immutable-radix v1.0.0 h1:AKDB1HM5PWEA7i4nhcpwOrO2byshxBjXVn/J/3+z5/0=
+github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
+github.com/hashicorp/go-memdb v0.0.0-20180223233045-1289e7fffe71 h1:yxxFgVz31vFoKKTtRUNbXLNe4GFnbLKqg+0N7yG42L8=
+github.com/hashicorp/go-memdb v0.0.0-20180223233045-1289e7fffe71/go.mod h1:kbfItVoBJwCfKXDXN4YoAXjxcFVZ7MRrJzyTX6H4giE=
+github.com/hashicorp/go-msgpack v0.5.3 h1:zKjpN5BK/P5lMYrLmBHdBULWbJ0XpYR+7NGzqkZzoD4=
+github.com/hashicorp/go-msgpack v0.5.3/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
+github.com/hashicorp/go-msgpack v0.5.5 h1:i9R9JSrqIz0QVLz3sz+i3YJdT7TTSLcfLLzJi9aZTuI=
+github.com/hashicorp/go-msgpack v0.5.5/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
+github.com/hashicorp/go-multierror v1.0.0 h1:iVjPR7a6H0tWELX5NxNe7bYopibicUzc7uPribsnS6o=
+github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
+github.com/hashicorp/go-plugin v0.0.0-20180331002553-e8d22c780116 h1:Y4V/yReWjQo/Ngyc0w6C3EKXKincp4YgvXeo8lI4LrI=
+github.com/hashicorp/go-plugin v0.0.0-20180331002553-e8d22c780116/go.mod h1:JSqWYsict+jzcj0+xElxyrBQRPNoiWQuddnxArJ7XHQ=
+github.com/hashicorp/go-raftchunking v0.6.1 h1:moEnaG3gcwsWNyIBJoD5PCByE+Ewkqxh6N05CT+MbwA=
+github.com/hashicorp/go-raftchunking v0.6.1/go.mod h1:cGlg3JtDy7qy6c/3Bu660Mic1JF+7lWqIwCFSb08fX0=
+github.com/hashicorp/go-retryablehttp v0.5.3 h1:QlWt0KvWT0lq8MFppF9tsJGF+ynG7ztc2KIPhzRGk7s=
+github.com/hashicorp/go-retryablehttp v0.5.3/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
+github.com/hashicorp/go-rootcerts v1.0.0 h1:Rqb66Oo1X/eSV1x66xbDccZjhJigjg0+e82kpwzSwCI=
+github.com/hashicorp/go-rootcerts v1.0.0/go.mod h1:K6zTfqpRlCUIjkwsN4Z+hiSfzSTQa6eBIzfwKfwNnHU=
+github.com/hashicorp/go-sockaddr v1.0.0 h1:GeH6tui99pF4NJgfnhp+L6+FfobzVW3Ah46sLo0ICXs=
+github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerXegt+ozgdvDeDU=
+github.com/hashicorp/go-syslog v1.0.0 h1:KaodqZuhUoZereWVIYmpUgZysurB1kBLX2j0MwMrUAE=
+github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdvsLplgctolz4=
+github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/hashicorp/go-uuid v1.0.1 h1:fv1ep09latC32wFoVwnqcnKJGnMSdBanPczbHAYm1BE=
+github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/hashicorp/go-version v0.0.0-20170202080759-03c5bf6be031 h1:c3Xdf5fTpk+hqhxqCO+ymqjfUXV9+GZqNgTtlnVzDos=
+github.com/hashicorp/go-version v0.0.0-20170202080759-03c5bf6be031/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
+github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
+github.com/hashicorp/golang-lru v0.5.0 h1:CL2msUPvZTLb5O648aiLNJw3hnBxN2+1Jq8rCOH9wdo=
+github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
+github.com/hashicorp/hcl v0.0.0-20180906183839-65a6292f0157 h1:PJ+K03hio6ADVjEc6lFu5r866o67xEEMQ73CFdI6R2U=
+github.com/hashicorp/hcl v0.0.0-20180906183839-65a6292f0157/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
+github.com/hashicorp/hil v0.0.0-20160711231837-1e86c6b523c5 h1:uk280DXEbQiCOZgCOI3elFSeNxf8YIZiNsbr2pQLYD0=
+github.com/hashicorp/hil v0.0.0-20160711231837-1e86c6b523c5/go.mod h1:KHvg/R2/dPtaePb16oW4qIyzkMxXOL38xjRN64adsts=
+github.com/hashicorp/logutils v1.0.0 h1:dLEQVugN8vlakKOUE3ihGLTZJRB4j+M2cdTm/ORI65Y=
+github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
+github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
+github.com/hashicorp/mdns v1.0.1 h1:XFSOubp8KWB+Jd2PDyaX5xUd5bhSP/+pTDZVDMzZJM8=
+github.com/hashicorp/mdns v1.0.1/go.mod h1:4gW7WsVCke5TE7EPeYliwHlRUyBtfCwuFwuMg2DmyNY=
+github.com/hashicorp/memberlist v0.1.3 h1:EmmoJme1matNzb+hMpDuR/0sbJSUisxyqBGG676r31M=
+github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
+github.com/hashicorp/memberlist v0.1.4 h1:gkyML/r71w3FL8gUi74Vk76avkj/9lYAY9lvg0OcoGs=
+github.com/hashicorp/memberlist v0.1.4/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
+github.com/hashicorp/net-rpc-msgpackrpc v0.0.0-20151116020338-a14192a58a69 h1:lc3c72qGlIMDqQpQH82Y4vaglRMMFdJbziYWriR4UcE=
+github.com/hashicorp/net-rpc-msgpackrpc v0.0.0-20151116020338-a14192a58a69/go.mod h1:/z+jUGRBlwVpUZfjute9jWaF6/HuhjuFQuL1YXzVD1Q=
+github.com/hashicorp/raft v1.1.1 h1:HJr7UE1x/JrJSc9Oy6aDBHtNHUUBHjcQjTgvUVihoZs=
+github.com/hashicorp/raft v1.1.1/go.mod h1:vPAJM8Asw6u8LxC3eJCUZmRP/E4QmUGE1R7g7k8sG/8=
+github.com/hashicorp/raft-boltdb v0.0.0-20171010151810-6e5ba93211ea h1:xykPFhrBAS2J0VBzVa5e80b5ZtYuNQtgXjN40qBZlD4=
+github.com/hashicorp/raft-boltdb v0.0.0-20171010151810-6e5ba93211ea/go.mod h1:pNv7Wc3ycL6F5oOWn+tPGo2gWD4a5X+yp/ntwdKLjRk=
+github.com/hashicorp/serf v0.8.2 h1:YZ7UKsJv+hKjqGVUUbtE3HNj79Eln2oQ75tniF6iPt0=
+github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
+github.com/hashicorp/vault v0.10.3 h1:3Hf6mwC4rggOq6ViWSoJ2yfk1oBS5ed58LLcP33gmEg=
+github.com/hashicorp/vault v0.10.3/go.mod h1:KfSyffbKxoVyspOdlaGVjIuwLobi07qD1bAbosPMpP0=
+github.com/hashicorp/vault-plugin-secrets-kv v0.0.0-20190318174639-195e0e9d07f1 h1:7IvvWArBoSjStPohKqHj3ksXNjcyPsyXYDIhCQw6Vtg=
+github.com/hashicorp/vault-plugin-secrets-kv v0.0.0-20190318174639-195e0e9d07f1/go.mod h1:VJHHT2SC1tAPrfENQeBhLlb5FbZoKZM+oC/ROmEftz0=
+github.com/hashicorp/vic v1.5.1-0.20190403131502-bbfe86ec9443 h1:O/pT5C1Q3mVXMyuqg7yuAWUg/jMZR1/0QTzTRdNR6Uw=
+github.com/hashicorp/vic v1.5.1-0.20190403131502-bbfe86ec9443/go.mod h1:bEpDU35nTu0ey1EXjwNwPjI9xErAsoOCmcMb9GKvyxo=
+github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d h1:kJCB4vdITiW1eC1vq2e6IsrXKrZit1bv/TDYFGMp4BQ=
+github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/imdario/mergo v0.3.6 h1:xTNEAn+kxVO7dTZGu0CegyqKZmoWFI0rF8UxjlB2d28=
+github.com/imdario/mergo v0.3.6/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/jarcoal/httpmock v0.0.0-20180424175123-9c70cfe4a1da h1:FjHUJJ7oBW4G/9j1KzlHaXL09LyMVM9rupS39lncbXk=
+github.com/jarcoal/httpmock v0.0.0-20180424175123-9c70cfe4a1da/go.mod h1:ks+b9deReOc7jgqp+e7LuFiCBH6Rm5hL32cLcEAArb4=
+github.com/jefferai/jsonx v0.0.0-20160721235117-9cc31c3135ee h1:AQ/QmCk6x8ECPpf2pkPtA4lyncEEBbs8VFnVXPYKhIs=
+github.com/jefferai/jsonx v0.0.0-20160721235117-9cc31c3135ee/go.mod h1:N0t2vlmpe8nyZB5ouIbJQPDSR+mH6oe7xHB9VZHSUzM=
 github.com/jehiah/go-strftime v0.0.0-20171201141054-1d33003b3869 h1:IPJ3dvxmJ4uczJe5YQdrYB16oTJlGSC/OyZDqUk9xX4=
 github.com/jehiah/go-strftime v0.0.0-20171201141054-1d33003b3869/go.mod h1:cJ6Cj7dQo+O6GJNiMx+Pa94qKj+TG8ONdKHgMNIyyag=
+github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jonboulle/clockwork v0.1.0 h1:VKV+ZcuP6l3yW9doeqz6ziZGgcynBVQO+obU0+0hcPo=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
+github.com/joyent/triton-go v0.0.0-20180628001255-830d2b111e62 h1:JHCT6xuyPUrbbgAPE/3dqlvUKzRHMNuTBKKUb6OeR/k=
+github.com/joyent/triton-go v0.0.0-20180628001255-830d2b111e62/go.mod h1:U+RSyWxWd04xTqnuOQxnai7XGS2PrPY2cfGoDKtMHjA=
 github.com/json-iterator/go v1.1.5/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.7 h1:KfgG9LzI+pYjr4xvmz/5H4FXjokeP+rlHLhv3iH62Fo=
 github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/keybase/go-crypto v0.0.0-20180614160407-5114a9a81e1b h1:VE6r2OwP5gj+Z9aCkSKl3MlmnZbfMAjhvR5T7abKHEo=
+github.com/keybase/go-crypto v0.0.0-20180614160407-5114a9a81e1b/go.mod h1:ghbZscTyKdM07+Fw3KSi0hcJm+AlEUWj8QLlPtijN/M=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
@@ -107,10 +312,36 @@ github.com/lestrrat/go-file-rotatelogs v0.0.0-20180223000712-d3151e2a480f h1:sgU
 github.com/lestrrat/go-file-rotatelogs v0.0.0-20180223000712-d3151e2a480f/go.mod h1:UGmTpUd3rjbtfIpwAPrcfmGf/Z1HS95TATB+m57TPB8=
 github.com/lestrrat/go-strftime v0.0.0-20180220042222-ba3bf9c1d042 h1:Bvq8AziQ5jFF4BHGAEDSqwPW1NJS3XshxbRCxtjFAZc=
 github.com/lestrrat/go-strftime v0.0.0-20180220042222-ba3bf9c1d042/go.mod h1:TPpsiPUEh0zFL1Snz4crhMlBe60PYxRHr5oFF3rRYg0=
+github.com/lib/pq v0.0.0-20180523175426-90697d60dd84 h1:it29sI2IM490luSc3RAhp5WuCYnc6RtbfLVAB7nmC5M=
+github.com/lib/pq v0.0.0-20180523175426-90697d60dd84/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
+github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-isatty v0.0.3 h1:ns/ykhmWi7G9O+8a448SecJU3nSMBXJfqQkl0upE1jI=
+github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
+github.com/miekg/dns v1.0.14 h1:9jZdLNd/P4+SfEJ0TNyxYpsK8N4GtfylBLqtbYN1sbA=
+github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
+github.com/mitchellh/cli v1.0.0 h1:iGBIsUe3+HZ/AD/Vd7DErOt5sU9fa8Uj7A2s1aggv1Y=
+github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
+github.com/mitchellh/copystructure v1.0.0 h1:Laisrj+bAB6b/yJwB5Bt3ITZhGJdqmxquMKeZ+mmkFQ=
+github.com/mitchellh/copystructure v1.0.0/go.mod h1:SNtv71yrdKgLRyLFxmLdkAbkKEFWgYaq1OVrnRcwhnw=
+github.com/mitchellh/go-homedir v1.0.0 h1:vKb8ShqSby24Yrqr/yDYkuFz8d0WUjys40rvnGC8aR0=
+github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
+github.com/mitchellh/go-testing-interface v1.0.0 h1:fzU/JVNcaqHQEcVFAKeR41fkiLdIPrefOvVG1VZ96U0=
+github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=
+github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS42BGNg=
+github.com/mitchellh/hashstructure v0.0.0-20170609045927-2bca23e0e452 h1:hOY53G+kBFhbYFpRVxHl5eS7laP6B1+Cq+Z9Dry1iMU=
+github.com/mitchellh/hashstructure v0.0.0-20170609045927-2bca23e0e452/go.mod h1:QjSHrPWS+BGUVBYkbTZWEnOh3G1DutKwClXU/ABz6AQ=
+github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0QubkSMEySY=
+github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
+github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
+github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
+github.com/mitchellh/reflectwalk v1.0.0/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
+github.com/mitchellh/reflectwalk v1.0.1 h1:FVzMWA5RllMAKIdUSC8mdWo3XtwoecrH79BY70sEEpE=
+github.com/mitchellh/reflectwalk v1.0.1/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@@ -120,49 +351,104 @@ github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3Rllmb
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/nacos-group/nacos-sdk-go v0.0.0-20190723125407-0242d42e3dbb h1:lbmvw8r9W55w+aQgWn35W1nuleRIECMoqUrmwAOAvoI=
 github.com/nacos-group/nacos-sdk-go v0.0.0-20190723125407-0242d42e3dbb/go.mod h1:CEkSvEpoveoYjA81m4HNeYQ0sge0LFGKSEqO3JKHllo=
+github.com/nicolai86/scaleway-sdk v1.10.2-0.20180628010248-798f60e20bb2 h1:BQ1HW7hr4IVovMwWg0E0PYcyW8CzqDcVmaew9cujU4s=
+github.com/nicolai86/scaleway-sdk v1.10.2-0.20180628010248-798f60e20bb2/go.mod h1:TLb2Sg7HQcgGdloNxkrmtgDNR9uVYF3lfdFIN4Ro6Sk=
+github.com/oklog/run v0.0.0-20180308005104-6934b124db28 h1:Hbr3fbVPXea52oPQeP7KLSxP52g6SFaNY1IqAmUyEW0=
+github.com/oklog/run v0.0.0-20180308005104-6934b124db28/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
+github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/gomega v1.4.1/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
+github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
+github.com/opencontainers/go-digest v1.0.0-rc1 h1:WzifXhOVOEOuFYOJAW6aQqW0TooG2iki3E3Ii+WN7gQ=
+github.com/opencontainers/go-digest v1.0.0-rc1/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
+github.com/opencontainers/image-spec v1.0.1 h1:JMemWkRwHx4Zj+fVxWoMCFm/8sYGGrUVojFA6h/TRcI=
+github.com/opencontainers/image-spec v1.0.1/go.mod h1:BtxoFyWECRxE4U/7sNtV5W15zMzWCbyJoFRP3s7yZA0=
+github.com/opencontainers/runc v0.1.1 h1:GlxAyO6x8rfZYN9Tt0Kti5a/cP41iuiO2yYT0IJGY8Y=
+github.com/opencontainers/runc v0.1.1/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U=
+github.com/ory/dockertest v3.3.4+incompatible h1:VrpM6Gqg7CrPm3bL4Wm1skO+zFWLbh7/Xb5kGEbJRh8=
+github.com/ory/dockertest v3.3.4+incompatible/go.mod h1:1vX4m9wsvi00u5bseYwXaSnhNrne+V0E6LAcBILJdPs=
+github.com/packethost/packngo v0.1.1-0.20180711074735-b9cb5096f54c h1:vwpFWvAO8DeIZfFeqASzZfsxuWPno9ncAebBEP0N3uE=
+github.com/packethost/packngo v0.1.1-0.20180711074735-b9cb5096f54c/go.mod h1:otzZQXgoO96RTzDB/Hycg0qZcXZsWJGJRSXbmEIJ+4M=
+github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c h1:Lgl0gzECD8GnQ5QCWA8o6BtfL6mDH5rQgM4/fX3avOs=
+github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
+github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
+github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
+github.com/patrickmn/go-cache v0.0.0-20180527043350-9f6ff22cfff8 h1:BR6MM54q4W9pn0SySwg6yctZtBKlTdUq6a+b0kArBnE=
+github.com/patrickmn/go-cache v0.0.0-20180527043350-9f6ff22cfff8/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
+github.com/peterbourgon/diskv v2.0.1+incompatible h1:UBdAOUP5p4RWqPBg048CAvpKN+vxiaj6gdUUzhl4XmI=
+github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR/tNboyR3/BZd58JJSHlUSCU=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/posener/complete v1.1.1 h1:ccV59UEOTzVDnDUEFdT95ZzHVZ+5+158q8+SJb2QV5w=
+github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
+github.com/prometheus/client_golang v0.9.2/go.mod h1:OsXs2jCmiKlQ1lTBmv21f2mNfw4xf/QclQDMrYNZzcM=
 github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
 github.com/prometheus/client_golang v1.1.0 h1:BQ53HtBmfOitExawJ6LokA4x8ov/z0SYYb0+HxJfRI8=
 github.com/prometheus/client_golang v1.1.0/go.mod h1:I1FGZT9+L76gKKOs5djB6ezCbFQP1xR9D75/vuwEF3g=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90 h1:S/YWwWx/RA8rT8tKFRuGUZhuA90OyIBpPCXkcbwU8DE=
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/prometheus/common v0.0.0-20181126121408-4724e9255275/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
 github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.6.0 h1:kRhiuYSXR3+uv2IbVbZhUxK5zVD/2pp3Gd2PpvPkpEo=
 github.com/prometheus/common v0.6.0/go.mod h1:eBmuwkDJBwy6iBfxCBob6t6dR6ENT/y+J+Zk0j9GMYc=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
+github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.0.3 h1:CTwfnzjQ+8dS6MhHHu4YswVAD99sL2wjPqP+VkURmKE=
 github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
+github.com/renier/xmlrpc v0.0.0-20170708154548-ce4a1a486c03 h1:Wdi9nwnhFNAlseAOekn6B5G/+GMtks9UKbvRU/CMM/o=
+github.com/renier/xmlrpc v0.0.0-20170708154548-ce4a1a486c03/go.mod h1:gRAiPF5C5Nd0eyyRdqIu9qTiFSoZzpTq727b5B8fkkU=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
+github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
+github.com/ryanuber/go-glob v0.0.0-20170128012129-256dc444b735 h1:7YvPJVmEeFHR1Tj9sZEYsmarJEQfMVYpd/Vyy/A8dqE=
+github.com/ryanuber/go-glob v0.0.0-20170128012129-256dc444b735/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIHxIXzX/Yc=
 github.com/samuel/go-zookeeper v0.0.0-20180130194729-c4fab1ac1bec h1:6ncX5ko6B9LntYM0YBRXkiSaZMmLYeZ/NWcmeB43mMY=
 github.com/samuel/go-zookeeper v0.0.0-20180130194729-c4fab1ac1bec/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E=
 github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
 github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
+github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 h1:nn5Wsu0esKSJiIVhscUtVbo7ada43DJhG55ua/hjS5I=
+github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
+github.com/shirou/gopsutil v0.0.0-20181107111621-48177ef5f880 h1:1Ge4j/3uB2rxzPWD3TC+daeCw+w91z8UCUL/7WH5gn8=
+github.com/shirou/gopsutil v0.0.0-20181107111621-48177ef5f880/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4 h1:udFKJ0aHUL60LboW/A+DfgoHVedieIzIXE8uylPue0U=
+github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4/go.mod h1:qsXQc7+bwAM3Q1u/4XEfrquwF8Lw7D7y5cD8CuHnfIc=
+github.com/sirupsen/logrus v1.0.6/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc=
 github.com/sirupsen/logrus v1.2.0 h1:juTguoYk5qI21pwyTXY3B3Y5cOTH3ZUyZCg1v/mihuo=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
+github.com/smartystreets/assertions v0.0.0-20180820201707-7c9eb446e3cf/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
+github.com/smartystreets/goconvey v0.0.0-20180222194500-ef6db91d284a/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s=
 github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a h1:pa8hGb/2YqsZKovtsgrwcDH1RZhVbTKCjLp47XpqCDs=
 github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
+github.com/softlayer/softlayer-go v0.0.0-20180806151055-260589d94c7d h1:bVQRCxQvfjNUeRqaY/uT0tFuvuFY0ulgnczuR684Xic=
+github.com/softlayer/softlayer-go v0.0.0-20180806151055-260589d94c7d/go.mod h1:Cw4GTlQccdRGSEf6KiMju767x0NEHE0YIVPJSaXjlsw=
 github.com/soheilhy/cmux v0.1.4 h1:0HKaf1o97UwFjHH9o5XsHUOF+tqmdA7KEzXLpiyaw0E=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
+github.com/spf13/pflag v1.0.2/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
+github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.1.1 h1:2vfRuCMp5sSVIDSqO8oNnWJq7mPa6KVP3iPIwFBuy8A=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/tebeka/strftime v0.1.3 h1:5HQXOqWKYRFfNyBMNVc9z5+QzuBtIXy03psIhtdJYto=
 github.com/tebeka/strftime v0.1.3/go.mod h1:7wJm3dZlpr4l/oVK0t1HYIc4rMzQ2XJlOMIUJUJH6XQ=
+github.com/tent/http-link-go v0.0.0-20130702225549-ac974c61c2f9/go.mod h1:RHkNRtSLfOK7qBTHaeSX1D6BNpI3qw7NTxsmNr4RvN8=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 h1:LnC5Kc/wtumK+WB441p7ynQJzVuNRJiqddSIE3IlSEQ=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/toolkits/concurrent v0.0.0-20150624120057-a4371d70e3e3 h1:kF/7m/ZU+0D4Jj5eZ41Zm3IH/J8OElK1Qtd7tVKAwLk=
 github.com/toolkits/concurrent v0.0.0-20150624120057-a4371d70e3e3/go.mod h1:QDlpd3qS71vYtakd2hmdpqhJ9nwv6mD6A30bQ1BPBFE=
+github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926 h1:G3dpKMzFDjgEh2q1Z7zUUtKa8ViPtH+ocF0bE0g00O8=
+github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=
+github.com/vmware/govmomi v0.18.0 h1:f7QxSmP7meCtoAmiKZogvVbLInT+CZx6Px6K5rYsJZo=
+github.com/vmware/govmomi v0.18.0/go.mod h1:URlwyTFZX72RmxtxuaFL2Uj3fD1JTvZdx59bHWk6aFU=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5Qo6v2eYzo7kUS51QINcR5jNpbZS8=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 go.etcd.io/bbolt v1.3.3 h1:MUGmc65QhB3pIlaQ5bB4LwqSj6GIonVJXpZiaKNyaKk=
@@ -176,55 +462,103 @@ go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/
 go.uber.org/zap v1.10.0 h1:ORx85nbTijNz8ljznvCMR1ZBIPKFn3jQrag10X2AsuM=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c h1:Vj5n4GlwjmQteupaxJ9+0FNOmBrHfq7vN4btdGoDZgI=
+golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190320064053-1272bf9dcd53/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980 h1:dfGZHvZk057jK2MCeWus/TowKpJ8y4AmooUzdBSR9GU=
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/oauth2 v0.0.0-20170807180024-9a379c6b3e95/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be h1:vEDujvNQGv4jgYKudGeI/+DAX4Jffq6hpD55MmoEvKs=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190508220229-2d0786266e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190523142557-0e01d883c5c5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3 h1:4y9KwBHBgBNwDbtu44R5o1fdOCQUEXhbk/P4A9WmJq0=
 golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+google.golang.org/api v0.0.0-20180829000535-087779f1d2c9 h1:z1TeLUmxf9ws9KLICfmX+KGXTs+rjm+aGWzfsv7MZ9w=
+google.golang.org/api v0.0.0-20180829000535-087779f1d2c9/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
+google.golang.org/appengine v1.1.0 h1:igQkv0AAhEIvTEpD5LIpAfav2eeVO9HBTjvKHVJPRSs=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 h1:Nw54tB0rB7hY/N0NQvRW8DG4Yk3Q6T9cu9RcFQDu1tc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
+google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.22.1 h1:/7cs52RnTJmD43s3uxzlq2U7nqVTd/37viQwMrMNlOM=
 google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
+gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d h1:TxyelI5cVkbREznMhfzycHdkp5cLA7DpE+GKjSslYhM=
+gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d/go.mod h1:cuepJuh7vyXfUyUwEgHQXw849cJrilpS5NeIjOWESAw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
+gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
+gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/ini.v1 v1.42.0 h1:7N3gPTt50s8GuLortA00n8AqRTk75qOP98+mTPpgzRk=
 gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/mgo.v2 v2.0.0-20160818020120-3f83fa500528 h1:/saqWwm73dLmuzbNhe92F0QsZ/KiFND+esHco2v1hiY=
+gopkg.in/mgo.v2 v2.0.0-20160818020120-3f83fa500528/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
+gopkg.in/ory-am/dockertest.v3 v3.3.4 h1:oen8RiwxVNxtQ1pRoV4e4jqh6UjNsOuIZ1NXns6jdcw=
+gopkg.in/ory-am/dockertest.v3 v3.3.4/go.mod h1:s9mmoLkaGeAh97qygnNj4xWkiN7e1SKekYC6CovU+ek=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/square/go-jose.v2 v2.3.1 h1:SK5KegNXmKmqE342YYN2qPHEnUYeoMiXXl1poUlI+o4=
+gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
+gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+istio.io/gogo-genproto v0.0.0-20190124151557-6d926a6e6feb/go.mod h1:eIDJ6jNk/IeJz6ODSksHl5Aiczy5JUq6vFhJWI5OtiI=
+k8s.io/api v0.0.0-20180806132203-61b11ee65332/go.mod h1:iuAfoD4hCxJ8Onx9kaTIt30j7jUFS00AXQi6QMi99vA=
+k8s.io/api v0.0.0-20190325185214-7544f9db76f6 h1:9MWtbqhwTyDvF4cS1qAhxDb9Mi8taXiAu+5nEacl7gY=
+k8s.io/api v0.0.0-20190325185214-7544f9db76f6/go.mod h1:iuAfoD4hCxJ8Onx9kaTIt30j7jUFS00AXQi6QMi99vA=
+k8s.io/apimachinery v0.0.0-20180821005732-488889b0007f/go.mod h1:ccL7Eh7zubPUSh9A3USN90/OzHNSVN6zxzde07TDCL0=
+k8s.io/apimachinery v0.0.0-20190223001710-c182ff3b9841 h1:Q4RZrHNtlC/mSdC1sTrcZ5RchC/9vxLVj57pWiCBKv4=
+k8s.io/apimachinery v0.0.0-20190223001710-c182ff3b9841/go.mod h1:ccL7Eh7zubPUSh9A3USN90/OzHNSVN6zxzde07TDCL0=
+k8s.io/client-go v8.0.0+incompatible h1:tTI4hRmb1DRMl4fG6Vclfdi6nTM82oIrTT7HfitmxC4=
+k8s.io/client-go v8.0.0+incompatible/go.mod h1:7vJpHMYJwNQCWgzmNV+VYUl1zCObLyodBc8nIyt8L5s=
diff --git a/registry/consul/listener.go b/registry/consul/listener.go
new file mode 100644
index 0000000000000000000000000000000000000000..b047a4c08c9f6c809ed3dca8bd0d06ceaa576cae
--- /dev/null
+++ b/registry/consul/listener.go
@@ -0,0 +1,206 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package consul
+
+import (
+	"sync"
+)
+
+import (
+	consul "github.com/hashicorp/consul/api"
+	"github.com/hashicorp/consul/api/watch"
+	perrors "github.com/pkg/errors"
+)
+
+import (
+	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/common/logger"
+	"github.com/apache/dubbo-go/registry"
+	"github.com/apache/dubbo-go/remoting"
+)
+
+// Consul listener wraps the consul watcher, to
+// listen the service information change in consul
+// registry.
+type consulListener struct {
+	// Registry url.
+	registryUrl common.URL
+
+	// Consumer url.
+	consumerUrl common.URL
+
+	// Consul watcher.
+	plan *watch.Plan
+
+	// Most recent service urls return by
+	// watcher.
+	urls []common.URL
+
+	// All service information changes will
+	// be wrapped into ServiceEvent, and be
+	// sent into eventCh. Then listener's
+	// Next method will get event from eventCh,
+	// and return to upstream.
+	eventCh chan *registry.ServiceEvent
+
+	// All errors, happening in the listening
+	// period, will be caught and send into
+	// errCh. Then listener's Next method will
+	// get error from errCh, and return to
+	// upstream.
+	errCh chan error
+
+	// Done field represents whether consul
+	// listener has been closed. When closing
+	// listener, this field will be closed,
+	// and will notify consul watcher to close.
+	done chan struct{}
+
+	// After listener notifies consul watcher
+	// to close, listener will call wg.wait to
+	// make sure that consul watcher is closed
+	// before the listener closes.
+	wg sync.WaitGroup
+}
+
+func newConsulListener(registryUrl common.URL, consumerUrl common.URL) (*consulListener, error) {
+	params := make(map[string]interface{}, 8)
+	params["type"] = "service"
+	params["service"] = consumerUrl.Service()
+	params["tag"] = "dubbo"
+	params["passingonly"] = true
+	plan, err := watch.Parse(params)
+	if err != nil {
+		return nil, err
+	}
+
+	listener := &consulListener{
+		registryUrl: registryUrl,
+		consumerUrl: consumerUrl,
+		plan:        plan,
+		urls:        make([]common.URL, 0, 8),
+		eventCh:     make(chan *registry.ServiceEvent, 32),
+		errCh:       make(chan error, 32),
+		done:        make(chan struct{}),
+	}
+
+	// Set handler to consul watcher, and
+	// make watcher begin to watch service
+	// information change.
+	listener.plan.Handler = listener.handler
+	listener.wg.Add(1)
+	go listener.run()
+	return listener, nil
+}
+
+// Wrap the consul watcher run api. There are three
+// conditions that will finish the run:
+//   - close done
+//   - call plan.Stop
+//   - close eventCh and errCh
+// If run meets first two conditions, it will close
+// gracefully. However, if run meets the last condition,
+// run will close with panic, so use recover to cover
+// this case.
+func (l *consulListener) run() {
+	defer func() {
+		p := recover()
+		if p != nil {
+			logger.Warnf("consul listener finish with panic %v", p)
+		}
+		l.wg.Done()
+	}()
+
+	for {
+		select {
+		case <-l.done:
+			return
+		default:
+			err := l.plan.Run(l.registryUrl.Location)
+			if err != nil {
+				l.errCh <- err
+			}
+		}
+	}
+}
+
+func (l *consulListener) handler(idx uint64, raw interface{}) {
+	var (
+		service *consul.ServiceEntry
+		event   *registry.ServiceEvent
+		url     common.URL
+		ok      bool
+		err     error
+	)
+
+	services, ok := raw.([]*consul.ServiceEntry)
+	if !ok {
+		err = perrors.New("handler get non ServiceEntry type parameter")
+		l.errCh <- err
+		return
+	}
+	newUrls := make([]common.URL, 0, 8)
+	events := make([]*registry.ServiceEvent, 0, 8)
+
+	for _, service = range services {
+		url, err = retrieveURL(service)
+		if err != nil {
+			l.errCh <- err
+			return
+		}
+		newUrls = append(newUrls, url)
+	}
+
+	for _, url = range l.urls {
+		ok = in(url, newUrls)
+		if !ok {
+			event := &registry.ServiceEvent{Action: remoting.EventTypeDel, Service: url}
+			events = append(events, event)
+		}
+	}
+
+	for _, url = range newUrls {
+		ok = in(url, l.urls)
+		if !ok {
+			event := &registry.ServiceEvent{Action: remoting.EventTypeAdd, Service: url}
+			events = append(events, event)
+		}
+	}
+
+	l.urls = newUrls
+	for _, event = range events {
+		l.eventCh <- event
+	}
+}
+
+func (l *consulListener) Next() (*registry.ServiceEvent, error) {
+	select {
+	case event := <-l.eventCh:
+		return event, nil
+	case err := <-l.errCh:
+		return nil, err
+	}
+}
+
+func (l *consulListener) Close() {
+	close(l.done)
+	l.plan.Stop()
+	close(l.eventCh)
+	close(l.errCh)
+	l.wg.Wait()
+}
diff --git a/registry/consul/listener_test.go b/registry/consul/listener_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..7dccbaa9f590e08d9aab539789b8348999672fde
--- /dev/null
+++ b/registry/consul/listener_test.go
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package consul
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+import (
+	"github.com/apache/dubbo-go/remoting"
+)
+
+func (suite *consulRegistryTestSuite) testListener(action remoting.EventType) {
+	event, err := suite.listener.Next()
+	assert.NoError(suite.t, err)
+	assert.Equal(suite.t, action, event.Action)
+	assert.True(suite.t, suite.providerUrl.URLEqual(event.Service))
+}
diff --git a/registry/consul/registry.go b/registry/consul/registry.go
new file mode 100644
index 0000000000000000000000000000000000000000..e01879ec2dc570354de5b297515f96cb5e83d801
--- /dev/null
+++ b/registry/consul/registry.go
@@ -0,0 +1,143 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package consul
+
+import (
+	"strconv"
+)
+
+import (
+	consul "github.com/hashicorp/consul/api"
+)
+
+import (
+	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/common/constant"
+	"github.com/apache/dubbo-go/common/extension"
+	"github.com/apache/dubbo-go/registry"
+)
+
+func init() {
+	extension.SetRegistry("consul", newConsulRegistry)
+}
+
+// Consul registry wraps the consul client, to
+// register and subscribe service.
+type consulRegistry struct {
+	// Registry url.
+	*common.URL
+
+	// Consul client.
+	client *consul.Client
+
+	// Done field represents whether
+	// consul registry is closed.
+	done chan struct{}
+}
+
+func newConsulRegistry(url *common.URL) (registry.Registry, error) {
+	config := &consul.Config{Address: url.Location}
+	client, err := consul.NewClient(config)
+	if err != nil {
+		return nil, err
+	}
+
+	r := &consulRegistry{
+		URL:    url,
+		client: client,
+		done:   make(chan struct{}),
+	}
+
+	return r, nil
+}
+
+func (r *consulRegistry) Register(url common.URL) error {
+	var err error
+
+	role, _ := strconv.Atoi(r.URL.GetParam(constant.ROLE_KEY, ""))
+	if role == common.PROVIDER {
+		err = r.register(url)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (r *consulRegistry) register(url common.URL) error {
+	service, err := buildService(url)
+	if err != nil {
+		return err
+	}
+	return r.client.Agent().ServiceRegister(service)
+}
+
+func (r *consulRegistry) Unregister(url common.URL) error {
+	var err error
+
+	role, _ := strconv.Atoi(r.URL.GetParam(constant.ROLE_KEY, ""))
+	if role == common.PROVIDER {
+		err = r.unregister(url)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (r *consulRegistry) unregister(url common.URL) error {
+	return r.client.Agent().ServiceDeregister(buildId(url))
+}
+
+func (r *consulRegistry) Subscribe(url common.URL) (registry.Listener, error) {
+	var (
+		listener registry.Listener
+		err      error
+	)
+
+	role, _ := strconv.Atoi(r.URL.GetParam(constant.ROLE_KEY, ""))
+	if role == common.CONSUMER {
+		listener, err = r.getListener(url)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return listener, nil
+}
+
+func (r *consulRegistry) getListener(url common.URL) (registry.Listener, error) {
+	listener, err := newConsulListener(*r.URL, url)
+	return listener, err
+}
+
+func (r *consulRegistry) GetUrl() common.URL {
+	return *r.URL
+}
+
+func (r *consulRegistry) IsAvailable() bool {
+	select {
+	case <-r.done:
+		return false
+	default:
+		return true
+	}
+}
+
+func (r *consulRegistry) Destroy() {
+	close(r.done)
+}
diff --git a/registry/consul/registry_test.go b/registry/consul/registry_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..8ec80c83d13946d238fe5db44b7b0c7b7b4335c9
--- /dev/null
+++ b/registry/consul/registry_test.go
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package consul
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+func (suite *consulRegistryTestSuite) testNewProviderRegistry() {
+	providerRegistryUrl := newProviderRegistryUrl(registryHost, registryPort)
+	providerRegistry, err := newConsulRegistry(providerRegistryUrl)
+	assert.NoError(suite.t, err)
+	suite.providerRegistry = providerRegistry
+}
+
+func (suite *consulRegistryTestSuite) testNewConsumerRegistry() {
+	consumerRegistryUrl := newConsumerRegistryUrl(registryHost, registryPort)
+	consumerRegistry, err := newConsulRegistry(consumerRegistryUrl)
+	assert.NoError(suite.t, err)
+	suite.consumerRegistry = consumerRegistry
+}
+
+func (suite *consulRegistryTestSuite) testRegister() {
+	providerUrl := newProviderUrl(providerHost, providerPort, service, protocol)
+	suite.providerUrl = providerUrl
+	err := suite.providerRegistry.Register(providerUrl)
+	assert.NoError(suite.t, err)
+}
+
+func (suite *consulRegistryTestSuite) testUnregister() {
+	consulProviderRegistry, _ := suite.providerRegistry.(*consulRegistry)
+	err := consulProviderRegistry.Unregister(suite.providerUrl)
+	assert.NoError(suite.t, err)
+}
+
+func (suite *consulRegistryTestSuite) testSubscribe() {
+	consumerUrl := newConsumerUrl(consumerHost, consumerPort, service, protocol)
+	suite.consumerUrl = consumerUrl
+	listener, err := suite.consumerRegistry.Subscribe(consumerUrl)
+	assert.NoError(suite.t, err)
+	suite.listener = listener
+}
diff --git a/registry/consul/utils.go b/registry/consul/utils.go
new file mode 100644
index 0000000000000000000000000000000000000000..6ecb0573ec5683d66795f539a8beb2eff5b6be2c
--- /dev/null
+++ b/registry/consul/utils.go
@@ -0,0 +1,114 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package consul
+
+import (
+	"context"
+	"crypto/md5"
+	"encoding/hex"
+	"fmt"
+	"strconv"
+)
+
+import (
+	consul "github.com/hashicorp/consul/api"
+	perrors "github.com/pkg/errors"
+)
+
+import (
+	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/common/utils"
+)
+
+func buildId(url common.URL) string {
+	t := md5.Sum([]byte(url.String()))
+	return hex.EncodeToString(t[:])
+}
+
+func buildService(url common.URL) (*consul.AgentServiceRegistration, error) {
+	var err error
+
+	// id
+	id := buildId(url)
+
+	// address
+	if url.Ip == "" {
+		url.Ip, _ = utils.GetLocalIP()
+	}
+
+	// port
+	port, err := strconv.Atoi(url.Port)
+	if err != nil {
+		return nil, err
+	}
+
+	// tcp
+	tcp := fmt.Sprintf("%s:%d", url.Ip, port)
+
+	// tags
+	tags := make([]string, 0, 8)
+	for k := range url.Params {
+		tags = append(tags, k+"="+url.Params.Get(k))
+	}
+	tags = append(tags, "dubbo")
+
+	// meta
+	meta := make(map[string]string, 8)
+	meta["url"] = url.String()
+
+	// check
+	check := &consul.AgentServiceCheck{
+		TCP:                            tcp,
+		Interval:                       url.GetParam("consul-check-interval", "10s"),
+		Timeout:                        url.GetParam("consul-check-timeout", "1s"),
+		DeregisterCriticalServiceAfter: url.GetParam("consul-deregister-critical-service-after", "20s"),
+	}
+
+	service := &consul.AgentServiceRegistration{
+		Name:    url.Service(),
+		ID:      id,
+		Address: url.Ip,
+		Port:    port,
+		Tags:    tags,
+		Meta:    meta,
+		Check:   check,
+	}
+
+	return service, nil
+}
+
+func retrieveURL(service *consul.ServiceEntry) (common.URL, error) {
+	url, ok := service.Service.Meta["url"]
+	if !ok {
+		return common.URL{}, perrors.New("retrieve url fails with no url key in service meta")
+	}
+	url1, err := common.NewURL(context.Background(), url)
+	if err != nil {
+		return common.URL{}, perrors.WithStack(err)
+	}
+	return url1, nil
+}
+
+func in(url common.URL, urls []common.URL) bool {
+	for _, url1 := range urls {
+		if url.URLEqual(url1) {
+			return true
+		}
+	}
+	return false
+}
diff --git a/registry/consul/utils_test.go b/registry/consul/utils_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..36b2b354ed44ce2dc05fe4ddafd983aa4dc7c731
--- /dev/null
+++ b/registry/consul/utils_test.go
@@ -0,0 +1,226 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package consul
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net"
+	"net/url"
+	"os"
+	"strconv"
+	"sync"
+	"testing"
+)
+
+import (
+	"github.com/hashicorp/consul/agent"
+)
+
+import (
+	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/common/constant"
+	"github.com/apache/dubbo-go/registry"
+	"github.com/apache/dubbo-go/remoting"
+)
+
+var (
+	registryHost = "localhost"
+	registryPort = 8500
+	providerHost = "localhost"
+	providerPort = 8000
+	consumerHost = "localhost"
+	consumerPort = 8001
+	service      = "HelloWorld"
+	protocol     = "tcp"
+)
+
+func newProviderRegistryUrl(host string, port int) *common.URL {
+	url1 := common.NewURLWithOptions(
+		common.WithIp(host),
+		common.WithPort(strconv.Itoa(port)),
+		common.WithParams(url.Values{}),
+		common.WithParamsValue(constant.ROLE_KEY, strconv.Itoa(common.PROVIDER)),
+	)
+	return url1
+}
+
+func newConsumerRegistryUrl(host string, port int) *common.URL {
+	url1 := common.NewURLWithOptions(
+		common.WithIp(host),
+		common.WithPort(strconv.Itoa(port)),
+		common.WithParams(url.Values{}),
+		common.WithParamsValue(constant.ROLE_KEY, strconv.Itoa(common.CONSUMER)),
+	)
+	return url1
+}
+
+func newProviderUrl(host string, port int, service string, protocol string) common.URL {
+	url1 := common.NewURLWithOptions(
+		common.WithIp(host),
+		common.WithPort(strconv.Itoa(port)),
+		common.WithPath(service),
+		common.WithProtocol(protocol),
+	)
+	return *url1
+}
+
+func newConsumerUrl(host string, port int, service string, protocol string) common.URL {
+	url1 := common.NewURLWithOptions(
+		common.WithIp(host),
+		common.WithPort(strconv.Itoa(port)),
+		common.WithPath(service),
+		common.WithProtocol(protocol),
+	)
+	return *url1
+}
+
+type testConsulAgent struct {
+	dataDir   string
+	testAgent *agent.TestAgent
+}
+
+func newConsulAgent(t *testing.T, port int) *testConsulAgent {
+	dataDir, _ := ioutil.TempDir("./", "agent")
+	hcl := `
+		ports { 
+			http = ` + strconv.Itoa(port) + `
+		}
+		data_dir = "` + dataDir + `"
+	`
+	testAgent := &agent.TestAgent{Name: t.Name(), DataDir: dataDir, HCL: hcl}
+	testAgent.Start(t)
+
+	consulAgent := &testConsulAgent{
+		dataDir:   dataDir,
+		testAgent: testAgent,
+	}
+	return consulAgent
+}
+
+func (consulAgent *testConsulAgent) close() {
+	consulAgent.testAgent.Shutdown()
+	os.RemoveAll(consulAgent.dataDir)
+}
+
+type testServer struct {
+	listener net.Listener
+	wg       sync.WaitGroup
+	done     chan struct{}
+}
+
+func newServer(host string, port int) *testServer {
+	addr := fmt.Sprintf("%s:%d", host, port)
+	tcpAddr, _ := net.ResolveTCPAddr("tcp", addr)
+	listener, _ := net.ListenTCP("tcp", tcpAddr)
+
+	server := &testServer{
+		listener: listener,
+		done:     make(chan struct{}),
+	}
+
+	server.wg.Add(1)
+	go server.serve()
+	return server
+}
+
+func (server *testServer) serve() {
+	defer server.wg.Done()
+	for {
+		select {
+		case <-server.done:
+			return
+		default:
+			conn, err := server.listener.Accept()
+			if err != nil {
+				continue
+			}
+			conn.Write([]byte("Hello World"))
+			conn.Close()
+		}
+	}
+}
+
+func (server *testServer) close() {
+	close(server.done)
+	server.listener.Close()
+	server.wg.Wait()
+}
+
+type consulRegistryTestSuite struct {
+	t                *testing.T
+	providerRegistry registry.Registry
+	consumerRegistry registry.Registry
+	listener         registry.Listener
+	providerUrl      common.URL
+	consumerUrl      common.URL
+}
+
+func newConsulRegistryTestSuite(t *testing.T) *consulRegistryTestSuite {
+	suite := &consulRegistryTestSuite{t: t}
+	return suite
+}
+
+func (suite *consulRegistryTestSuite) close() {
+	suite.listener.Close()
+	suite.providerRegistry.Destroy()
+	suite.consumerRegistry.Destroy()
+}
+
+// register -> subscribe -> unregister
+func test1(t *testing.T) {
+	consulAgent := newConsulAgent(t, registryPort)
+	defer consulAgent.close()
+
+	server := newServer(providerHost, providerPort)
+	defer server.close()
+
+	suite := newConsulRegistryTestSuite(t)
+	defer suite.close()
+
+	suite.testNewProviderRegistry()
+	suite.testRegister()
+	suite.testNewConsumerRegistry()
+	suite.testSubscribe()
+	suite.testListener(remoting.EventTypeAdd)
+	suite.testUnregister()
+	suite.testListener(remoting.EventTypeDel)
+}
+
+// subscribe -> register
+func test2(t *testing.T) {
+	consulAgent := newConsulAgent(t, registryPort)
+	defer consulAgent.close()
+
+	server := newServer(providerHost, providerPort)
+	defer server.close()
+
+	suite := newConsulRegistryTestSuite(t)
+	defer suite.close()
+
+	suite.testNewConsumerRegistry()
+	suite.testSubscribe()
+	suite.testNewProviderRegistry()
+	suite.testRegister()
+	suite.testListener(remoting.EventTypeAdd)
+}
+
+func TestConsulRegistry(t *testing.T) {
+	t.Run("test1", test1)
+	t.Run("test2", test2)
+}
diff --git a/registry/directory/directory.go b/registry/directory/directory.go
index 11687f82ee5fe0dba6f2bca38b6454ee9c666d91..0ef5023c619d27cc4dc1daf5129be0186b90e903 100644
--- a/registry/directory/directory.go
+++ b/registry/directory/directory.go
@@ -55,7 +55,6 @@ type registryDirectory struct {
 	serviceType      string
 	registry         registry.Registry
 	cacheInvokersMap *sync.Map //use sync.map
-	//cacheInvokersMap map[string]protocol.Invoker
 	Options
 }
 
@@ -80,7 +79,7 @@ func NewRegistryDirectory(url *common.URL, registry registry.Registry, opts ...O
 	}, nil
 }
 
-//subscibe from registry
+//subscribe from registry
 func (dir *registryDirectory) Subscribe(url common.URL) {
 	for {
 		if !dir.registry.IsAvailable() {
@@ -115,16 +114,13 @@ func (dir *registryDirectory) Subscribe(url common.URL) {
 	}
 }
 
-//subscribe service from registry , and update the cacheServices
+//subscribe service from registry, and update the cacheServices
 func (dir *registryDirectory) update(res *registry.ServiceEvent) {
 	if res == nil {
 		return
 	}
-
 	logger.Debugf("registry update, result{%s}", res)
-
 	logger.Debugf("update service name: %s!", res.Service)
-
 	dir.refreshInvokers(res)
 }
 
@@ -150,7 +146,6 @@ func (dir *registryDirectory) refreshInvokers(res *registry.ServiceEvent) {
 }
 
 func (dir *registryDirectory) toGroupInvokers() []protocol.Invoker {
-
 	newInvokersList := []protocol.Invoker{}
 	groupInvokersMap := make(map[string][]protocol.Invoker)
 	groupInvokersList := []protocol.Invoker{}
diff --git a/registry/nacos/registry.go b/registry/nacos/registry.go
index f10e230bc44dba8f8007ea659db3747a237c9de1..bf86ead7a31f5873078b9dc4acd3f0dcf6aec783 100644
--- a/registry/nacos/registry.go
+++ b/registry/nacos/registry.go
@@ -120,7 +120,7 @@ func appendParam(target *bytes.Buffer, url common.URL, key string) {
 func createRegisterParam(url common.URL, serviceName string) vo.RegisterInstanceParam {
 	category := getCategory(url)
 	params := make(map[string]string, len(url.Params)+3)
-	for k, _ := range url.Params {
+	for k := range url.Params {
 		params[k] = url.Params.Get(k)
 	}
 	params[constant.NACOS_CATEGORY_KEY] = category
diff --git a/registry/nacos/registry_test.go b/registry/nacos/registry_test.go
index 97dea0d2b016c8f84ee7cf6f4856ba545b720a48..9ce9dcfe4d9f7d3974a3d07e093f59888e73a91d 100644
--- a/registry/nacos/registry_test.go
+++ b/registry/nacos/registry_test.go
@@ -18,7 +18,7 @@ import (
 	"github.com/apache/dubbo-go/common/constant"
 )
 
-func Test_Register(t *testing.T) {
+func TestNacosRegistry_Register(t *testing.T) {
 	regurl, _ := common.NewURL(context.TODO(), "registry://console.nacos.io:80", common.WithParamsValue(constant.ROLE_KEY, strconv.Itoa(common.PROVIDER)))
 	urlMap := url.Values{}
 	urlMap.Set(constant.GROUP_KEY, "guangzhou-idc")
@@ -91,7 +91,7 @@ func TestNacosRegistry_Subscribe_del(t *testing.T) {
 	urlMap.Set(constant.GROUP_KEY, "guangzhou-idc")
 	urlMap.Set(constant.ROLE_KEY, strconv.Itoa(common.PROVIDER))
 	urlMap.Set(constant.INTERFACE_KEY, "com.ikurento.user.UserProvider")
-	urlMap.Set(constant.VERSION_KEY, "1.0.0")
+	urlMap.Set(constant.VERSION_KEY, "2.0.0")
 	urlMap.Set(constant.CLUSTER_KEY, "mock")
 	urlMap.Set(constant.NACOS_PATH_KEY, "")
 	url1, _ := common.NewURL(context.TODO(), "dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider", common.WithParams(urlMap), common.WithMethods([]string{"GetUser", "AddUser"}))
@@ -139,8 +139,8 @@ func TestNacosRegistry_Subscribe_del(t *testing.T) {
 	assert.Regexp(t, ".*ServiceEvent{Action{add}.*", serviceEvent2.String())
 
 	nacosReg := reg.(*nacosRegistry)
-	//deregister  instance to mock instance offline
-	nacosReg.namingClient.DeregisterInstance(vo.DeregisterInstanceParam{Ip: "127.0.0.2", Port: 20000, ServiceName: "providers:com.ikurento.user.UserProvider:1.0.0:guangzhou-idc"})
+	//deregister instance to mock instance offline
+	nacosReg.namingClient.DeregisterInstance(vo.DeregisterInstanceParam{Ip: "127.0.0.2", Port: 20000, ServiceName: "providers:com.ikurento.user.UserProvider:2.0.0:guangzhou-idc"})
 
 	serviceEvent3, _ := listener.Next()
 	assert.NoError(t, err)
diff --git a/remoting/zookeeper/client.go b/remoting/zookeeper/client.go
index 008848ea61ba2deb1a70aba5c29da097c3c48da9..a7fc568f567d720448d0be63c592fae5f8df9bbf 100644
--- a/remoting/zookeeper/client.go
+++ b/remoting/zookeeper/client.go
@@ -65,7 +65,7 @@ func StateToString(state zk.State) string {
 	case zk.StateConnectedReadOnly:
 		return "zookeeper connect readonly"
 	case zk.StateSaslAuthenticated:
-		return "zookeeper sasl authenticaed"
+		return "zookeeper sasl authenticated"
 	case zk.StateExpired:
 		return "zookeeper connection expired"
 	case zk.StateConnected:
@@ -118,7 +118,7 @@ func ValidateZookeeperClient(container zkClientFacade, opts ...Option) error {
 	defer lock.Unlock()
 
 	if container.ZkClient() == nil {
-		//in dubbp ,every registry only connect one node ,so this is []string{r.Address}
+		//in dubbo ,every registry only connect one node ,so this is []string{r.Address}
 		timeout, err := time.ParseDuration(url.GetParam(constant.REGISTRY_TIMEOUT_KEY, constant.DEFAULT_REG_TIMEOUT))
 		if err != nil {
 			logger.Errorf("timeout config %v is invalid ,err is %v",
@@ -128,7 +128,7 @@ func ValidateZookeeperClient(container zkClientFacade, opts ...Option) error {
 		zkAddresses := strings.Split(url.Location, ",")
 		newClient, err := newZookeeperClient(opions.zkName, zkAddresses, timeout)
 		if err != nil {
-			logger.Warnf("newZookeeperClient(name{%s}, zk addresss{%v}, timeout{%d}) = error{%v}",
+			logger.Warnf("newZookeeperClient(name{%s}, zk address{%v}, timeout{%d}) = error{%v}",
 				opions.zkName, url.Location, timeout.String(), err)
 			return perrors.WithMessagef(err, "newZookeeperClient(address:%+v)", url.Location)
 		}
diff --git a/remoting/zookeeper/facade_test.go b/remoting/zookeeper/facade_test.go
index 46edd49bf7cd22011bd7dfc8b89227257c5ad2ab..58e0d69dcfd9bf645c147f6e920e56ed5f3951eb 100644
--- a/remoting/zookeeper/facade_test.go
+++ b/remoting/zookeeper/facade_test.go
@@ -75,7 +75,7 @@ func (r *mockFacade) IsAvailable() bool {
 	return true
 }
 
-func Test_Fascade(t *testing.T) {
+func Test_Facade(t *testing.T) {
 	ts, z, event, err := NewMockZookeeperClient("test", 15*time.Second)
 	assert.NoError(t, err)
 	defer ts.Stop()
diff --git a/remoting/zookeeper/listener.go b/remoting/zookeeper/listener.go
index d9efd4fed1db7bac69ac5368b08cb0bd28aa7dea..7e0140e6ed73107a8c35e641ca56ec2f9d7783e7 100644
--- a/remoting/zookeeper/listener.go
+++ b/remoting/zookeeper/listener.go
@@ -47,9 +47,11 @@ func NewZkEventListener(client *ZookeeperClient) *ZkEventListener {
 		pathMap: make(map[string]struct{}),
 	}
 }
+
 func (l *ZkEventListener) SetClient(client *ZookeeperClient) {
 	l.client = client
 }
+
 func (l *ZkEventListener) ListenServiceNodeEvent(zkPath string, listener ...remoting.DataListener) bool {
 	l.wg.Add(1)
 	defer l.wg.Done()
@@ -72,7 +74,6 @@ func (l *ZkEventListener) ListenServiceNodeEvent(zkPath string, listener ...remo
 					content, _, _ := l.client.Conn.Get(zkEvent.Path)
 					listener[0].DataChange(remoting.Event{Path: zkEvent.Path, Action: remoting.EvnetTypeUpdate, Content: string(content)})
 				}
-
 			case zk.EventNodeCreated:
 				logger.Warnf("zk.ExistW(key{%s}) = event{EventNodeCreated}", zkPath)
 				if len(listener) > 0 {
@@ -100,7 +101,6 @@ func (l *ZkEventListener) handleZkNodeEvent(zkPath string, children []string, li
 				return true
 			}
 		}
-
 		return false
 	}
 
@@ -130,14 +130,14 @@ func (l *ZkEventListener) handleZkNodeEvent(zkPath string, children []string, li
 			continue
 		}
 		// listen l service node
-		go func(node string) {
+		go func(node string, zkPath string, listener remoting.DataListener) {
 			logger.Infof("delete zkNode{%s}", node)
 			if l.ListenServiceNodeEvent(node, listener) {
 				logger.Infof("delete content{%s}", node)
 				listener.DataChange(remoting.Event{Path: zkPath, Action: remoting.EventTypeDel})
 			}
 			logger.Warnf("listenSelf(zk path{%s}) goroutine exit now", zkPath)
-		}(newNode)
+		}(newNode, zkPath, listener)
 	}
 
 	// old node was deleted
@@ -205,11 +205,10 @@ func (l *ZkEventListener) listenDirEvent(zkPath string, listener remoting.DataLi
 		}
 		failTimes = 0
 		for _, c := range children {
-
 			// listen l service node
 			dubboPath := path.Join(zkPath, c)
 
-			//Save the path to avoid listen repeatly
+			//Save the path to avoid listen repeatedly
 			l.pathMapLock.Lock()
 			_, ok := l.pathMap[dubboPath]
 			l.pathMapLock.Unlock()
@@ -231,14 +230,14 @@ func (l *ZkEventListener) listenDirEvent(zkPath string, listener remoting.DataLi
 				continue
 			}
 			logger.Infof("listen dubbo service key{%s}", dubboPath)
-			go func(zkPath string) {
-				if l.ListenServiceNodeEvent(dubboPath) {
-					listener.DataChange(remoting.Event{Path: dubboPath, Action: remoting.EventTypeDel})
+			go func(zkPath string, listener remoting.DataListener) {
+				if l.ListenServiceNodeEvent(zkPath) {
+					listener.DataChange(remoting.Event{Path: zkPath, Action: remoting.EventTypeDel})
 				}
 				logger.Warnf("listenSelf(zk path{%s}) goroutine exit now", zkPath)
-			}(dubboPath)
+			}(dubboPath, listener)
 
-			//liten sub path recursive
+			//listen sub path recursive
 			go func(zkPath string, listener remoting.DataListener) {
 				l.listenDirEvent(zkPath, listener)
 				logger.Warnf("listenDirEvent(zkPath{%s}) goroutine exit now", zkPath)
@@ -324,7 +323,7 @@ func timeSecondDuration(sec int) time.Duration {
 	return time.Duration(sec) * time.Second
 }
 
-// this func is invoked by ZkConsumerRegistry::Registe/ZkConsumerRegistry::get/ZkConsumerRegistry::getListener
+// this func is invoked by ZkConsumerRegistry::Register/ZkConsumerRegistry::get/ZkConsumerRegistry::getListener
 // registry.go:Listen -> listenServiceEvent -> listenDirEvent -> ListenServiceNodeEvent
 //                            |
 //                            --------> ListenServiceNodeEvent
@@ -355,7 +354,6 @@ func (l *ZkEventListener) ListenServiceEvent(zkPath string, listener remoting.Da
 	}
 
 	for _, c := range children {
-
 		// listen l service node
 		dubboPath = path.Join(zkPath, c)
 		content, _, err := l.client.Conn.Get(dubboPath)
@@ -366,12 +364,12 @@ func (l *ZkEventListener) ListenServiceEvent(zkPath string, listener remoting.Da
 			continue
 		}
 		logger.Infof("listen dubbo service key{%s}", dubboPath)
-		go func(zkPath string) {
-			if l.ListenServiceNodeEvent(dubboPath) {
-				listener.DataChange(remoting.Event{Path: dubboPath, Action: remoting.EventTypeDel})
+		go func(zkPath string, listener remoting.DataListener) {
+			if l.ListenServiceNodeEvent(zkPath) {
+				listener.DataChange(remoting.Event{Path: zkPath, Action: remoting.EventTypeDel})
 			}
 			logger.Warnf("listenSelf(zk path{%s}) goroutine exit now", zkPath)
-		}(dubboPath)
+		}(dubboPath, listener)
 	}
 
 	logger.Infof("listen dubbo path{%s}", zkPath)