mongo

package
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Published: Nov 20, 2018 License: BSD-3-Clause Imports: 8 Imported by: 0

Documentation

Overview

Package mongo provides functions to trace the mongodb/mongo-go-driver package (https://github.com/mongodb/mongo-go-driver). The minimum required version is v0.0.17 (Alpha 17). Since this driver is still in Alpha and subject to change from one release to another, stability of this package can not be guaranteed.

`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/clientopt"

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

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

	inventory.InsertOne(context.Background(), bson.NewDocument(
		bson.EC.String("item", "canvas"),
		bson.EC.Int32("qty", 100),
		bson.EC.ArrayFromElements("tags",
			bson.VC.String("cotton"),
		),
		bson.EC.SubDocumentFromElements("size",
			bson.EC.Int32("h", 28),
			bson.EC.Double("w", 35.5),
			bson.EC.String("uom", "cm"),
		),
	))
}
Output:

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewMonitor

func NewMonitor() *event.CommandMonitor

NewMonitor creates a new mongodb event CommandMonitor.

Types

This section is empty.

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