PMM-13477 Support MongoDB 8.0

Author: BupycHuk

exporter/diagnostic_data_collector.go

@@ -108,6 +108,9 @@ func (d *diagnosticDataCollector) collect(ch chan<- prometheus.Metric) {
 			err = errors.Wrapf(errUnexpectedDataType, "%T for data field", m["data"])
 			logger.Errorf("cannot decode getDiagnosticData: %s", err)
 		}
+		if c, ok := m["common"].(bson.M); ok {
+			m = c
+		}
 
 		logger.Debug("getDiagnosticData result")
 		debugResult(logger, m)

exporter/metrics.go

@@ -16,6 +16,7 @@
 package exporter
 
 import (
+	"fmt"
 	"regexp"
 	"strings"
 	"time"
@@ -186,6 +187,15 @@ func makeRawMetric(prefix, name string, value interface{}, labels map[string]str
 		rm.lv = append(rm.lv, name)
 	}
 
+	if name == "start" || name == "end" {
+		fmt.Println("fqName: ", fqName)
+		fmt.Println("help: ", help)
+		fmt.Println("val: ", *f)
+		fmt.Println("vt: ", metricType)
+		fmt.Println("ln: ", rm.ln)
+		fmt.Println("lv: ", rm.lv)
+	}
+
 	return rm, nil
 }