feat: add openim images config path

Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com>

pkg/common/metrics/metrics.go

@@ -0,0 +1,45 @@
+package prom_metrics
+
+import (
+	grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
+	config2 "github.com/openimsdk/open-im-server/v3/pkg/common/config"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/ginprom"
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/collectors"
+)
+
+func NewGrpcPromObj(cusMetrics []prometheus.Collector) (*prometheus.Registry, *grpc_prometheus.ServerMetrics, error) {
+	////////////////////////////////////////////////////////
+	reg := prometheus.NewRegistry()
+	grpcMetrics := grpc_prometheus.NewServerMetrics()
+	grpcMetrics.EnableHandlingTimeHistogram()
+	cusMetrics = append(cusMetrics, grpcMetrics, collectors.NewGoCollector())
+	reg.MustRegister(cusMetrics...)
+	return reg, grpcMetrics, nil
+}
+
+func GetGrpcCusMetrics(registerName string) []prometheus.Collector {
+	switch registerName {
+	case config2.Config.RpcRegisterName.OpenImMessageGatewayName:
+		return []prometheus.Collector{OnlineUserGauge}
+	case config2.Config.RpcRegisterName.OpenImMsgName:
+		return []prometheus.Collector{SingleChatMsgProcessSuccessCounter, SingleChatMsgProcessFailedCounter, GroupChatMsgProcessSuccessCounter, GroupChatMsgProcessFailedCounter}
+	case "Transfer":
+		return []prometheus.Collector{MsgInsertRedisSuccessCounter, MsgInsertRedisFailedCounter, MsgInsertMongoSuccessCounter, MsgInsertMongoFailedCounter, SeqSetFailedCounter}
+	case config2.Config.RpcRegisterName.OpenImPushName:
+		return []prometheus.Collector{MsgOfflinePushFailedCounter}
+	case config2.Config.RpcRegisterName.OpenImAuthName:
+		return []prometheus.Collector{UserLoginCounter}
+	default:
+		return nil
+	}
+}
+
+func GetGinCusMetrics(name string) []*ginprom.Metric {
+	switch name {
+	case "Api":
+		return []*ginprom.Metric{ApiCustomCnt}
+	default:
+		return []*ginprom.Metric{ApiCustomCnt}
+	}
+}