Fix: Exporter not initiating connection to mongo when Unauthorized

exporter/currentop_collector.go

@@ -17,6 +17,7 @@ package exporter
 
 import (
 	"context"
+	"os"
 	"strconv"
 	"time"
 
@@ -90,6 +91,13 @@ func (d *currentopCollector) collect(ch chan<- prometheus.Metric) {
 
 	var r primitive.M
 	if err := res.Decode(&r); err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == Unauthorized {
+				logger.Errorf("unauthorized to run currtop: %s", err)
+				os.Exit(1)
+			}
+		}
+
 		logger.Errorf("Failed to decode currentOp response: %s", err)
 		ch <- prometheus.NewInvalidMetric(prometheus.NewInvalidDesc(err), err)
 		return

exporter/dbstats_collector.go

@@ -17,6 +17,7 @@ package exporter
 
 import (
 	"context"
+	"os"
 
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/sirupsen/logrus"
@@ -84,6 +85,12 @@ func (d *dbstatsCollector) collect(ch chan<- prometheus.Metric) {
 		r := client.Database(db).RunCommand(d.ctx, cmd)
 		err := r.Decode(&dbStats)
 		if err != nil {
+			if e, ok := err.(mongo.CommandError); ok {
+				if e.Code == Unauthorized {
+					logger.Errorf("unauthorized to run replSetGetStatus: %s", err)
+					os.Exit(1)
+				}
+			}
 			logger.Errorf("Failed to get $dbstats for database %s: %s", db, err)
 
 			continue

exporter/diagnostic_data_collector.go

@@ -17,6 +17,7 @@ package exporter
 
 import (
 	"context"
+	"os"
 
 	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
@@ -94,6 +95,12 @@ func (d *diagnosticDataCollector) collect(ch chan<- prometheus.Metric) {
 		}
 	} else {
 		if err := res.Decode(&m); err != nil {
+			if e, ok := err.(mongo.CommandError); ok {
+				if e.Code == Unauthorized {
+					logger.Errorf("unauthorized to run getDiagnosticData: %s", err)
+					os.Exit(1)
+				}
+			}
 			logger.Errorf("cannot run getDiagnosticData: %s", err)
 			return
 		}
@@ -163,6 +170,12 @@ func (d *diagnosticDataCollector) getSecurityMetricFromLineOptions(client *mongo
 		return nil, errors.Wrap(resCmdLineOptions.Err(), "cannot execute getCmdLineOpts command")
 	}
 	if err := resCmdLineOptions.Decode(&cmdLineOpionsBson); err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == Unauthorized {
+				errors.New("unauthorized to run getCmdLineOpts")
+				os.Exit(1)
+			}
+		}
 		return nil, errors.Wrap(err, "cannot parse response of the getCmdLineOpts command")
 	}
 

exporter/feature_compatibility_version_collector.go

@@ -18,6 +18,7 @@ package exporter
 import (
 	"context"
 	"fmt"
+	"os"
 	"strconv"
 
 	"github.com/prometheus/client_golang/prometheus"
@@ -61,6 +62,12 @@ func (d *featureCompatibilityCollector) collect(ch chan<- prometheus.Metric) {
 	if err := res.Decode(&m); err != nil {
 		d.base.logger.Errorf("Failed to decode featureCompatibilityVersion: %v", err)
 		ch <- prometheus.NewInvalidMetric(prometheus.NewInvalidDesc(err), err)
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == Unauthorized {
+				d.base.logger.Errorf("Failed to decode featureCompatibilityVersion: %v", err)
+				os.Exit(1)
+			}
+		}
 		return
 	}
 

exporter/replset_status_collector.go

@@ -17,6 +17,7 @@ package exporter
 
 import (
 	"context"
+	"os"
 
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/sirupsen/logrus"
@@ -27,6 +28,7 @@ import (
 const (
 	replicationNotEnabled        = 76
 	replicationNotYetInitialized = 94
+	Unauthorized                 = 13
 )
 
 type replSetGetStatusCollector struct {
@@ -72,6 +74,10 @@ func (d *replSetGetStatusCollector) collect(ch chan<- prometheus.Metric) {
 			if e.Code == replicationNotYetInitialized || e.Code == replicationNotEnabled {
 				return
 			}
+			if e.Code == Unauthorized {
+				logger.Errorf("unauthorized to run replSetGetStatus: %s", err)
+				os.Exit(1)
+			}
 		}
 		logger.Errorf("cannot get replSetGetStatus: %s", err)
 

exporter/top_collector.go

@@ -18,6 +18,7 @@ package exporter
 import (
 	"context"
 	"fmt"
+	"os"
 
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/sirupsen/logrus"
@@ -66,6 +67,12 @@ func (d *topCollector) collect(ch chan<- prometheus.Metric) {
 
 	var m primitive.M
 	if err := res.Decode(&m); err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == Unauthorized {
+				logger.Errorf("unauthorized to run top command")
+				os.Exit(1)
+			}
+		}
 		ch <- prometheus.NewInvalidMetric(prometheus.NewInvalidDesc(err), err)
 		return
 	}

exporter/topology_info.go

@@ -18,6 +18,7 @@ package exporter
 import (
 	"context"
 	"fmt"
+	"os"
 	"sync"
 
 	"github.com/pkg/errors"
@@ -143,6 +144,12 @@ func getNodeType(ctx context.Context, client *mongo.Client) (mongoDBNodeType, er
 	}
 	md := proto.MasterDoc{}
 	if err := client.Database("admin").RunCommand(ctx, primitive.M{"isMaster": 1}).Decode(&md); err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == Unauthorized {
+				errors.New("unauthorized to getisMaster")
+				os.Exit(1)
+			}
+		}
 		return "", err
 	}
 
@@ -171,6 +178,12 @@ func getClusterRole(ctx context.Context, client *mongo.Client) (string, error) {
 	}
 
 	if err := res.Decode(&cmdOpts); err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == Unauthorized {
+				errors.New("unauthorized to getCmdLineOpts")
+				os.Exit(1)
+			}
+		}
 		return "", errors.Wrap(err, "cannot decode getCmdLineOpts response")
 	}
 

exporter/v1_compatibility.go

@@ -19,6 +19,7 @@ import (
 	"context"
 	"fmt"
 	"math"
+	"os"
 	"strings"
 	"time"
 
@@ -835,6 +836,12 @@ func retrieveMongoDBBuildInfo(ctx context.Context, client *mongo.Client, l *logr
 	var buildInfoDoc bson.M
 	err := res.Decode(&buildInfoDoc)
 	if err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == Unauthorized {
+				errors.Wrap(err, "unauthorized to run command buildInfo")
+				os.Exit(1)
+			}
+		}
 		return buildInfo{}, errors.Wrap(err, "Failed to run buildInfo command")
 	}
 
@@ -1176,6 +1183,12 @@ func chunksBalancerRunning(ctx context.Context, client *mongo.Client) (prometheu
 	res := client.Database("admin").RunCommand(ctx, cmd)
 
 	if err := res.Decode(&m); err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == Unauthorized {
+				errors.Wrap(err, "unauthorized to run command balancerStatus")
+				os.Exit(1)
+			}
+		}
 		return nil, err
 	}
 
@@ -1201,6 +1214,12 @@ func balancerEnabled(ctx context.Context, client *mongo.Client) (prometheus.Metr
 	cmd := bson.D{{Key: "balancerStatus", Value: "1"}}
 	err := client.Database("admin").RunCommand(ctx, cmd).Decode(&bs)
 	if err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == Unauthorized {
+				errors.Wrap(err, "unauthorized to run command balancerStatus")
+				os.Exit(1)
+			}
+		}
 		return nil, err
 	}
 	if bs.Mode == "full" {

internal/util/util.go

@@ -17,6 +17,8 @@ package util
 
 import (
 	"context"
+	"fmt"
+	"os"
 
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
@@ -29,6 +31,7 @@ const (
 	ErrNotYetInitialized     = int32(94)
 	ErrNoReplicationEnabled  = int32(76)
 	ErrNotPrimaryOrSecondary = int32(13436)
+	ErrNotUnauthorized       = int32(13)
 )
 
 // MyState returns the replica set and the instance's state if available.
@@ -37,6 +40,12 @@ func MyState(ctx context.Context, client *mongo.Client) (string, int, error) {
 
 	err := client.Database("admin").RunCommand(ctx, bson.M{"replSetGetStatus": 1}).Decode(&status)
 	if err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == ErrNotUnauthorized {
+				fmt.Fprintf(os.Stderr, "unauthorized to run command replSetGetStatus: %v\n", err)
+				os.Exit(1)
+			}
+		}
 		return "", 0, err
 	}
 
@@ -48,6 +57,12 @@ func MyRole(ctx context.Context, client *mongo.Client) (*proto.HelloResponse, er
 	var role proto.HelloResponse
 	err := client.Database("admin").RunCommand(ctx, bson.M{"isMaster": 1}).Decode(&role)
 	if err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == ErrNotUnauthorized {
+				fmt.Fprintf(os.Stderr, "unauthorized to run command isMaster: %v\n", err)
+				os.Exit(1)
+			}
+		}
 		return nil, err
 	}
 
@@ -57,6 +72,12 @@ func MyRole(ctx context.Context, client *mongo.Client) (*proto.HelloResponse, er
 func ReplicasetConfig(ctx context.Context, client *mongo.Client) (*proto.ReplicasetConfig, error) {
 	var rs proto.ReplicasetConfig
 	if err := client.Database("admin").RunCommand(ctx, bson.M{"replSetGetConfig": 1}).Decode(&rs); err != nil {
+		if e, ok := err.(mongo.CommandError); ok {
+			if e.Code == ErrNotUnauthorized {
+				fmt.Fprintf(os.Stderr, "unauthorized to run command replSetGetConfig: %v\n", err)
+				os.Exit(1)
+			}
+		}
 		return nil, err
 	}