feat: support prometheus metric url. (#168)

config/config.go

@@ -38,6 +38,7 @@ type SectionAPI struct {
 	StatAppURI string `yaml:"stat_app_uri"`
 	ConfigURI  string `yaml:"config_uri"`
 	SysStatURI string `yaml:"sys_stat_uri"`
+	MetricURI  string `yaml:"metric_uri"`
 }
 
 // SectionAndroid is sub section of config.
@@ -129,6 +130,7 @@ func BuildDefaultPushConf() ConfYaml {
 	conf.API.StatAppURI = "/api/stat/app"
 	conf.API.ConfigURI = "/api/config"
 	conf.API.SysStatURI = "/sys/stats"
+	conf.API.MetricURI = "/metrics"
 
 	// Android
 	conf.Android.Enabled = false

config/config.yml

@@ -19,6 +19,7 @@ api:
   stat_app_uri: "/api/stat/app"
   config_uri: "/api/config"
   sys_stat_uri: "/sys/stats"
+  metric_uri: "/metrics"
 
 android:
   enabled: true

config/config_test.go

@@ -1,13 +1,14 @@
 package config
 
 import (
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
 	"io/ioutil"
 	"log"
 	"os"
 	"runtime"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/suite"
 )
 
 // Test file is missing
@@ -74,6 +75,7 @@ func (suite *ConfigTestSuite) TestValidateConfDefault() {
 	assert.Equal(suite.T(), "/api/stat/app", suite.ConfGorushDefault.API.StatAppURI)
 	assert.Equal(suite.T(), "/api/config", suite.ConfGorushDefault.API.ConfigURI)
 	assert.Equal(suite.T(), "/sys/stats", suite.ConfGorushDefault.API.SysStatURI)
+	assert.Equal(suite.T(), "/metrics", suite.ConfGorushDefault.API.MetricURI)
 
 	// Android
 	assert.Equal(suite.T(), false, suite.ConfGorushDefault.Android.Enabled)
@@ -129,6 +131,7 @@ func (suite *ConfigTestSuite) TestValidateConf() {
 	assert.Equal(suite.T(), "/api/stat/app", suite.ConfGorush.API.StatAppURI)
 	assert.Equal(suite.T(), "/api/config", suite.ConfGorush.API.ConfigURI)
 	assert.Equal(suite.T(), "/sys/stats", suite.ConfGorush.API.SysStatURI)
+	assert.Equal(suite.T(), "/metrics", suite.ConfGorush.API.MetricURI)
 
 	// Android
 	assert.Equal(suite.T(), true, suite.ConfGorush.Android.Enabled)