Upgrade redis client to v4.

ref: http://godoc.org/gopkg.in/redis.v4

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

config/config.go

@@ -76,7 +76,7 @@ type SectionStat struct {
 type SectionRedis struct {
 	Addr     string `yaml:"addr"`
 	Password string `yaml:"password"`
-	DB       int64  `yaml:"db"`
+	DB       int    `yaml:"db"`
 }
 
 // SectionBoltDB is sub seciont of config.

config/config_test.go

@@ -96,7 +96,7 @@ func (suite *ConfigTestSuite) TestValidateConfDefault() {
 	assert.Equal(suite.T(), "memory", suite.ConfGorushDefault.Stat.Engine)
 	assert.Equal(suite.T(), "localhost:6379", suite.ConfGorushDefault.Stat.Redis.Addr)
 	assert.Equal(suite.T(), "", suite.ConfGorushDefault.Stat.Redis.Password)
-	assert.Equal(suite.T(), int64(0), suite.ConfGorushDefault.Stat.Redis.DB)
+	assert.Equal(suite.T(), 0, suite.ConfGorushDefault.Stat.Redis.DB)
 
 	assert.Equal(suite.T(), "gorush.db", suite.ConfGorushDefault.Stat.BoltDB.Path)
 	assert.Equal(suite.T(), "gorush", suite.ConfGorushDefault.Stat.BoltDB.Bucket)
@@ -149,7 +149,7 @@ func (suite *ConfigTestSuite) TestValidateConf() {
 	assert.Equal(suite.T(), "memory", suite.ConfGorush.Stat.Engine)
 	assert.Equal(suite.T(), "localhost:6379", suite.ConfGorush.Stat.Redis.Addr)
 	assert.Equal(suite.T(), "", suite.ConfGorush.Stat.Redis.Password)
-	assert.Equal(suite.T(), int64(0), suite.ConfGorush.Stat.Redis.DB)
+	assert.Equal(suite.T(), 0, suite.ConfGorush.Stat.Redis.DB)
 
 	assert.Equal(suite.T(), "gorush.db", suite.ConfGorush.Stat.BoltDB.Path)
 	assert.Equal(suite.T(), "gorush", suite.ConfGorush.Stat.BoltDB.Bucket)

glide.yaml

@@ -1,7 +1,6 @@
 package: github.com/appleboy/gorush
 import:
 - package: gopkg.in/yaml.v2
-- package: gopkg.in/redis.v3
 - package: github.com/Sirupsen/logrus
   version: v0.10.0
 - package: gopkg.in/appleboy/gin-status-api.v1
@@ -20,3 +19,4 @@ import:
 - package: github.com/thoas/stats
 - package: github.com/tidwall/buntdb
 - package: github.com/syndtr/goleveldb
+- package: gopkg.in/redis.v4

storage/redis/redis.go

@@ -2,7 +2,7 @@ package redis
 
 import (
 	"github.com/appleboy/gorush/config"
-	"gopkg.in/redis.v3"
+	"gopkg.in/redis.v4"
 	"log"
 	"strconv"
 )