support config consul by env

add env variable 'ConsulAddress' to config consul

Issue-ID: MSB-247

Change-Id: I37770d098751fa448199d692166081584106bf3a
Signed-off-by: Lvbo163 <lv.bo163@zte.com.cn>

3 files changed, 45 insertions, 1 deletions

diff --git a/msb2pilot/src/msb2pilot/consul/controller.go b/msb2pilot/src/msb2pilot/consul/controller.go
index 1ba2cd8..b6e798f 100644
--- a/msb2pilot/src/msb2pilot/consul/controller.go
+++ b/msb2pilot/src/msb2pilot/consul/controller.go
@@ -13,7 +13,9 @@ package consul
 
 import (
 	"msb2pilot/log"
+	"msb2pilot/models"
 	"msb2pilot/util"
+	"os"
 	"path/filepath"
 
 	"github.com/hashicorp/consul/api"
@@ -44,6 +46,11 @@ func init() {
 }
 
 func getConsulAddress(path string) string {
+	res := os.Getenv(models.EnvConsulAddress)
+	if res != "" {
+		return res
+	}
+
 	cfg, err := loadCfgInfo(path)
 	if err != nil {
 		log.Log.Error("load consul config info error", err)
diff --git a/msb2pilot/src/msb2pilot/consul/controller_test.go b/msb2pilot/src/msb2pilot/consul/controller_test.go
index 1b05653..a6569bd 100644
--- a/msb2pilot/src/msb2pilot/consul/controller_test.go
+++ b/msb2pilot/src/msb2pilot/consul/controller_test.go
@@ -12,33 +12,54 @@
 package consul
 
 import (
+	"msb2pilot/models"
+	"os"
 	"testing"
 )
 
 func TestSetConsulAddress(t *testing.T) {
 	cases := []struct {
-		path, want string
+		env, path, want string
 	}{
 		{
+			env:  "testEnv",
+			path: "",
+			want: `testEnv`,
+		},
+		{
+			env:  "",
 			path: cfgFilePath,
 			want: `http://127.0.0.1:8500`,
 		},
 		{
+			env:  "testEnvWithPath",
+			path: cfgFilePath,
+			want: `testEnvWithPath`,
+		},
+		{
+			env:  "",
 			path: ``,
 			want: `http://localhost:8500`,
 		},
 		{
+			env:  "",
 			path: `controller.go`,
 			want: `http://localhost:8500`,
 		},
 	}
 
+	oldEnv := os.Getenv(models.EnvConsulAddress)
+
 	for _, cas := range cases {
+		os.Setenv(models.EnvConsulAddress, cas.env)
+
 		res := getConsulAddress(cas.path)
 		if res != cas.want {
 			t.Errorf("getConsulAddress() => want %s, got %s", cas.want, res)
 		}
 	}
+
+	os.Setenv(models.EnvConsulAddress, oldEnv)
 }
 
 func TestLoadCfgInfo(t *testing.T) {
diff --git a/msb2pilot/src/msb2pilot/models/config.go b/msb2pilot/src/msb2pilot/models/config.go
new file mode 100644
index 0000000..7f34514
--- /dev/null
+++ b/msb2pilot/src/msb2pilot/models/config.go
@@ -0,0 +1,16 @@
+/**
+ * Copyright (c) 2018 ZTE Corporation.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and the Apache License 2.0 which both accompany this distribution,
+ * and are available at http://www.eclipse.org/legal/epl-v10.html
+ * and http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Contributors:
+ *     ZTE - initial Project
+ */
+package models
+
+const (
+	EnvConsulAddress = "ConsulAddress" //http://localhost:8500
+)