slog: Datadog handler

A Datadog Handler for slog Go library.

See also:

• slog-multi: slog.Handler chaining, fanout, routing, failover, load balancing...
• slog-formatter: slog attribute formatting
• slog-sampling: slog sampling policy
• slog-gin: Gin middleware for slog logger
• slog-echo: Echo middleware for slog logger
• slog-fiber: Fiber middleware for slog logger
• slog-datadog: A slog handler for Datadog
• slog-rollbar: A slog handler for Rollbar
• slog-sentry: A slog handler for Sentry
• slog-syslog: A slog handler for Syslog
• slog-logstash: A slog handler for Logstash
• slog-fluentd: A slog handler for Fluentd
• slog-graylog: A slog handler for Graylog
• slog-loki: A slog handler for Loki
• slog-slack: A slog handler for Slack
• slog-telegram: A slog handler for Telegram
• slog-mattermost: A slog handler for Mattermost
• slog-microsoft-teams: A slog handler for Microsoft Teams
• slog-webhook: A slog handler for Webhook
• slog-kafka: A slog handler for Kafka

🚀 Install

go get github.com/samber/slog-datadog

Compatibility: go >= 1.21

No breaking changes will be made to exported APIs before v2.0.0.

💡 Usage

GoDoc: https://pkg.go.dev/github.com/samber/slog-datadog

Handler options

type Option struct {
	// log level (default: debug)
	Level slog.Leveler

	// datadog endpoint
	Client  *datadog.APIClient
	Context context.Context

	// source parameters
	Service    string
	Hostname   string
	GlobalTags map[string]string

	// optional: customize Datadog message builder
	Converter Converter
}

Attributes will be injected in log payload.

Example

import (
	"github.com/DataDog/datadog-api-client-go/v2/api/datadog"
	slogdatadog "github.com/samber/slog-datadog"
	"log/slog"
)

func newDatadogClient(endpoint string, apiKey string) (*datadog.APIClient, context.Context) {
	ctx := datadog.NewDefaultContext(context.Background())
	ctx = context.WithValue(
		ctx,
		datadog.ContextAPIKeys,
		map[string]datadog.APIKey{"apiKeyAuth": {Key: apiKey}},
	)
	ctx = context.WithValue(
		ctx,
		datadog.ContextServerVariables,
		map[string]string{"site": endpoint},
	)
	configuration := datadog.NewConfiguration()
	apiClient := datadog.NewAPIClient(configuration)

	return apiClient, ctx
}

func main() {
    host := "1.2.3.4"
	service := "api"
	endpoint := slogdatadog.DatadogHostEU
	apiKey := "xxx"
	apiClient, ctx := newDatadogClient(endpoint, apiKey)

	logger := slog.New(slogdatadog.Option{Level: slog.LevelDebug, Client: apiClient, Context: ctx, Hostname: host, Service: service}.NewDatadogHandler())
    logger = logger.
        With("environment", "dev").
        With("release", "v1.0.0")

    // log error
    logger.
        With("category", "sql").
        With("query.statement", "SELECT COUNT(*) FROM users;").
        With("query.duration", 1*time.Second).
        With("error", fmt.Errorf("could not count users")).
        Error("caramba!")

    // log user signup
    logger.
        With(
            slog.Group("user",
                slog.String("id", "user-123"),
                slog.Time("created_at", time.Now()),
            ),
        ).
        Info("user registration")
}

🤝 Contributing

• Ping me on twitter @samuelberthe (DMs, mentions, whatever :))
• Fork the project
• Fix open issues or request new features

Don't hesitate ;)

# Install some dev dependencies
make tools

# Run tests
make test
# or
make watch-test

👤 Contributors

💫 Show your support

Give a ⭐️ if this project helped you!

📝 License

Copyright © 2023 Samuel Berthe.

This project is MIT licensed.