Instrumenting 1st Gen Cloud Run Functions

// Example of a simple Cloud Run Function with custom traces and custom metrics
const tracer = require('dd-trace').init()
const functions = require('@google-cloud/functions-framework');
function handler(req, res) {
 tracer.dogstatsd.increment('dd.function.sent', 1, {'runtime':'nodejs'});
 return res.send('Welcome to Datadog💜!');
}
const handlerWithTrace = tracer.wrap('example-span', handler)
functions.http('httpexample', handlerWithTrace)
module.exports = handlerWithTrace

# Example of a simple Cloud Run Function with traces and custom metrics
import functions_framework
import ddtrace
from datadog import initialize, statsd
ddtrace.patch(logging=True)
initialize(**{'statsd_port': 8125})
@ddtrace.tracer.wrap()
@functions_framework.http
def dd_log_forwader(request):
 with ddtrace.tracer.trace('sending_trace') as span:
 span.set_tag('test', 'ninja')
 statsd.increment('dd.function.sent', tags=["runtime:python"])
 return "Welcome To Datadog! 💜"

// Example of a simple Cloud Run Function with traces and custom metricspackagecom.example;importcom.google.cloud.functions.HttpFunction;importcom.google.cloud.functions.HttpRequest;importcom.google.cloud.functions.HttpResponse;importjava.io.BufferedWriter;importcom.timgroup.statsd.NonBlockingStatsDClientBuilder;importcom.timgroup.statsd.StatsDClient;publicclass ExampleimplementsHttpFunction{@Overridepublicvoidservice(HttpRequestrequest,HttpResponseresponse)throwsException{StatsDClientStatsd=newNonBlockingStatsDClientBuilder().hostname("localhost").port(8125).build();BufferedWriterwriter=response.getWriter();Statsd.incrementCounter("dd.function.sent",newString[]{"runtime:java"});writer.write("Welcome to Datadog!");}}

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 <modelVersion>4.0.0</modelVersion>
 <groupId>cloudfunctions</groupId>
 <artifactId>http-function</artifactId>
 <version>1.0-SNAPSHOT</version>
 <properties>
 <maven.compiler.release>17</maven.compiler.release>
 </properties>
 <dependencies>
 <dependency>
 <groupId>com.google.cloud.functions</groupId>
 <artifactId>functions-framework-api</artifactId>
 <version>1.0.1</version>
 </dependency>
 <dependency>
 <groupId>com.datadoghq</groupId>
 <artifactId>java-dogstatsd-client</artifactId>
 <version>4.4.3</version>
 </dependency>
 </dependencies>
 <build>
 <plugins>
 <plugin>
 <groupId>org.apache.maven.plugins</groupId>
 <artifactId>maven-compiler-plugin</artifactId>
 <version>3.8.1</version>
 <configuration>
 <excludes>
 <exclude>.google/</exclude>
 </excludes>
 </configuration>
 </plugin>
 <plugin>
 <groupId>org.apache.maven.plugins</groupId>
 <artifactId>maven-antrun-plugin</artifactId>
 <version>1.8</version>
 <executions>
 <execution>
 <phase>initialize</phase>
 <configuration>
 <tasks>
 <get src="https://dtdg.co/latest-serverless-compat-java-agent" dest="dd-serverless-compat-java-agent.jar" />
 <get src="https://dtdg.co/latest-java-tracer" dest="dd-java-agent.jar" />
 </tasks>
 </configuration>
 <goals>
 <goal>run</goal>
 </goals>
 </execution>
 </executions>
 </plugin>
 </plugins>
 </build>
</project>

#ExampleofasimpleCloudRunFunctionwithtracesandcustommetricspackagecloud_functionimport("fmt""log""net/http""github.com/DataDog/datadog-go/statsd""github.com/DataDog/datadog-serverless-compat-go/datadogserverlesscompat"_"github.com/GoogleCloudPlatform/functions-framework-go/funcframework""github.com/GoogleCloudPlatform/functions-framework-go/functions""gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer")vardogstatsdClient*statsd.Clientfuncinit(){err:=datadogserverlesscompat.Start()log.Println("Starting datadog serverless compat: ",err)tracer.Start(tracer.WithAgentAddr("127.0.0.1:8126"))dogstatsdClient,_=statsd.New("127.0.0.1:8125")functions.HTTP("helloHTTP",helloHTTP)}// helloHTTP is an HTTP Cloud Function with a request parameter.funchelloHTTP(whttp.ResponseWriter,r*http.Request){span:=tracer.StartSpan("TEST-SPAN")deferspan.Finish()err:=dogstatsdClient.Incr("nina.test.counter",[]string{"runtime:go"},1)iferr!=nil{log.Println("Error incrementing dogstatsd counter: ",err)}fmt.Fprint(w,"Hello Datadog!")}