Add Prometheus monitoring function (#1337)

* Code adaptation k8s: service discovery and registration adaptation, configuration adaptation

* Initial submission of the help charts script for openim API

* change the help charts script

* change the help charts script

* change helm chart codes

* change dockerfiles script

* change chart script:add configmap mounts

* change chart script:change repository

* change chart script:msggateway add one service

* change config.yaml

* roll back some config values

* change chart script:change Ingress rule with a rewrite annotation

* add mysql charts scrible

* change chart script:add mysql.config.yaml

* add nfs provisioner charts

* change chart script:add nfs.config.yaml

* add ingress-nginx charts

* change chart script:add ingress-nginx.config.yaml

* add redis &mongodb charts

* add kafka&minio charts

* change chart script:change redis.values.yaml

* change chart script:add redis.config.yaml

* change chart script:change redis.config.yaml

* change chart script:change mongodb.value.yaml

* change chart script:change mongodb.value.yaml

* change chart script:add mongodb.config.yaml

* change chart script:change minio.values.yaml

* change chart script:add minio.config.yaml

* change chart script:change kafka.values.yaml

* change chart script:add kafka.config.yaml

* change chart script:change services.config.yaml

* bug fix:Delete websocket's Port restrictions

* bug fix:change port value

* change chart script:Submit a stable version script

* fix bug:Implement option interface

* fix bug:change K8sDR.Register

* change config.yaml

* change chats script:minio service add ingress

* change chats script:minio service add ingress

* change chats script:kafka.replicaCount=3& change minio.api ingress

* delete change chats script

* change config.yaml

* change openim.yaml

* merge go.sum

* Add monitoring function and struct for Prometheus on gin and GRPC

* Add GRPC and gin server monitoring logic

* Add GRPC and gin server monitoring logic2

* Add GRPC and gin server monitoring logic3

* Add GRPC and gin server monitoring logic4

* Add GRPC and gin server monitoring logic5

* Add GRPC and gin server monitoring logic6

* Add GRPC and gin server monitoring logic7

* delete:old monitoring code

* add for test

* fix bug:change packname

* fix bug:delete getPromPort funciton

* fix bug:delete getPromPort funciton

* fix bug:change logs

* fix bug:change registerName logic in GetGrpcCusMetrics function

* add getPrometheus url api

* fix:config path logic

* fix:prometheus enable function

* fix:prometheus enable function

* fix:transfer Multi process monitoring logic

* del:del not using manifest

* fix:openim-msgtransfer.sh

* fix:openim-msgtransfer.sh

---------

Co-authored-by: lin.huang <lin.huang@apulis.com>
Co-authored-by: Xinwei Xiong <3293172751@qq.com>

pkg/common/config/parse.go

@@ -35,6 +35,16 @@ const (
 	DefaultFolderPath    = "../config/"
 )
 
+// return absolude path join ../config/, this is k8s container config path
+func GetDefaultConfigPath() string {
+	b, err := filepath.Abs(os.Args[0])
+	if err != nil {
+		fmt.Println("filepath.Abs error,err=", err)
+		return ""
+	}
+	return filepath.Join(filepath.Dir(b), "../config/")
+}
+
 // getProjectRoot returns the absolute path of the project root directory
 func GetProjectRoot() string {
 	b, _ := filepath.Abs(os.Args[0])
@@ -65,9 +75,11 @@ func initConfig(config interface{}, configName, configFolderPath string) error {
 	_, err := os.Stat(configFolderPath)
 	if err != nil {
 		if !os.IsNotExist(err) {
+			fmt.Println("stat config path error:", err.Error())
 			return fmt.Errorf("stat config path error: %w", err)
 		}
 		configFolderPath = filepath.Join(GetProjectRoot(), "config", configName)
+		fmt.Println("flag's path,enviment's path,default path all is not exist,using project path:", configFolderPath)
 	}
 	data, err := os.ReadFile(configFolderPath)
 	if err != nil {
@@ -86,7 +98,7 @@ func InitConfig(configFolderPath string) error {
 		if envConfigPath != "" {
 			configFolderPath = envConfigPath
 		} else {
-			configFolderPath = DefaultFolderPath
+			configFolderPath = GetDefaultConfigPath()
 		}
 	}