Send logs to Datadog with Swift

What's New



Add new regions. Update URLs to v2 API endpoints (@guillaumekh)

DataDogLog 🐶

Swift Release Unit Test

This package implements a handler for swift-log which will send log messages to the Datadog's Log Management service.


Add Package 📦

Integrate the DataDogLog package as a dependency with Swift Package Manager. Add the following to Package.swift:

.package(url: "git@github.com:jagreenwood/swift-log-datadog.git", from: "0.0.1")

Add DataDogLog to your target dependencies:

.product(name: "DataDogLog", package: "swift-log-datadog")

Configure ⚙️

Configure the logger by bootstrapping a DataDogLogHandler instance.

import DataDogLog

// add handler to logging system
LoggingSystem.bootstrap {
    // initialize handler instance
    var handler = DataDogLogHandler(label: $0, key: "xxx", hostname: "hostname")
    // global metadata (optional)
    handler.metadata = ["foo":"bar"]

    return handler

Logging 🌲

To send logs to Datadog, initialize a Logger instance and send a message with optional additional metadata:

import DataDogLog

let logger = Logger(label: "com.swift-log.awesome-app")
logger.error("unfortunate error", metadata: ["request-id": "abc-123"], source: "module-name")

This call will send the following payload to Datadog:

    "message": "2020-05-27T06:37:17-0400 ERROR: unfortunate error",
    "hostname": "hostname",
    "ddsource": "module-name",
    "ddtags": "callsite:testLog():39,foo:bar,request-id:abc-123",
    "status": "error"
    "service": "com.swift-log.awesome-app"

Select Region 🌎

The Datadog API runs on multiple regions (e.g. US, EU, US3, US5, US1FED), with different API endpoints. If your account was not created in the default US region, you need to set the region option when initializing DataDogLogHandler:

DataDogLogHandler(label: $0, key: "xxx", hostname: "hostname", region: .EU)


  • Swift Tools 5.2.0
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Last updated: Tue Sep 05 2023 15:17:21 GMT-0900 (Hawaii-Aleutian Daylight Time)