mongo

package
v1.13.0 Latest Latest
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Published: Apr 18, 2019 License: BSD-3-Clause Imports: 9 Imported by: 0

Documentation

Overview

Package mongo provides functions to trace the mongodb/mongo-go-driver package (https://github.com/mongodb/mongo-go-driver). It support v0.2.0 of github.com/mongodb/mongo-go-driver

`NewMonitor` will return an event.CommandMonitor which is used to trace requests.

Example
package main

import (
	"context"

	"github.com/mongodb/mongo-go-driver/bson"
	"github.com/mongodb/mongo-go-driver/mongo"
	"github.com/mongodb/mongo-go-driver/mongo/options"

	mongotrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/mongodb/mongo-go-driver/mongo"
)

func main() {
	// connect to MongoDB
	opts := options.Client()
	opts.SetMonitor(mongotrace.NewMonitor())
	client, err := mongo.Connect(context.Background(), "mongodb://localhost:27017", opts)
	if err != nil {
		panic(err)
	}
	db := client.Database("example")
	inventory := db.Collection("inventory")

	inventory.InsertOne(context.Background(), bson.D{
		{Key: "item", Value: "canvas"},
		{Key: "qty", Value: 100},
		{Key: "tags", Value: bson.A{"cotton"}},
		{Key: "size", Value: bson.D{
			{Key: "h", Value: 28},
			{Key: "w", Value: 35.5},
			{Key: "uom", Value: "cm"},
		}},
	})
}
Output:

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewMonitor

func NewMonitor(opts ...Option) *event.CommandMonitor

NewMonitor creates a new mongodb event CommandMonitor.

Types

type Option added in v1.11.0

type Option func(*config)

Option represents an option that can be passed to Dial.

func WithAnalytics added in v1.11.0

func WithAnalytics(on bool) Option

WithAnalytics enables Trace Analytics for all started spans.

func WithAnalyticsRate added in v1.11.0

func WithAnalyticsRate(rate float64) Option

WithAnalyticsRate sets the sampling rate for Trace Analytics events correlated to started spans.

func WithServiceName added in v1.11.0

func WithServiceName(name string) Option

WithServiceName sets the given service name for the dialled connection. When the service name is not explicitly set it will be inferred based on the request to AWS.

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