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Check if environment is supported by serverless compat #22

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Merged
duncanpharvey merged 3 commits into from
Mar 27, 2025
Merged

Check if environment is supported by serverless compat #22

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05df94d
check if environment is supported by serverless compat
duncanpharvey Mar 26, 2025
2a3a6f2
remove google cloud run function 2nd gen environment
duncanpharvey Mar 27, 2025
7b4e03b
Merge branch 'main' into duncan-harvey/check-environment
duncanpharvey Mar 27, 2025
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40 changes: 38 additions & 2 deletions src/main/java/com/datadog/ServerlessCompatAgent.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,17 @@
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

enum CloudEnvironment {
AZURE_FUNCTION,
AZURE_SPRING_APP,
GOOGLE_CLOUD_RUN_FUNCTION_1ST_GEN,
UNKNOWN
}

public class ServerlessCompatAgent {
private static final Logger log = LoggerFactory.getLogger(ServerlessCompatAgent.class);
private static final String os = System.getProperty("os.name").toLowerCase();
Expand All @@ -23,13 +31,32 @@ public static boolean isLinux() {
return os.contains("linux");
}

public static CloudEnvironment getEnvironment() {
Map<String, String> env = System.getenv();

if (env.get("FUNCTIONS_EXTENSION_VERSION") != null &&
env.get("FUNCTIONS_WORKER_RUNTIME") != null) {
return CloudEnvironment.AZURE_FUNCTION;
}

if (env.get("ASCSVCRT_SPRING__APPLICATION__NAME") != null) {
return CloudEnvironment.AZURE_SPRING_APP;
}

if (env.get("FUNCTION_NAME") != null &&
env.get("GCP_PROJECT") != null) {
return CloudEnvironment.GOOGLE_CLOUD_RUN_FUNCTION_1ST_GEN;
}

return CloudEnvironment.UNKNOWN;
}

public static String setPackageVersion() {
String packageVersion;

try {
packageVersion = ServerlessCompatAgent.class.getPackage().getImplementationVersion();
}
catch (Exception e) {
} catch (Exception e) {
log.error("Unable to identify package version", e);
packageVersion = "unknown";
}
Expand All @@ -38,6 +65,15 @@ public static String setPackageVersion() {
}

public static void premain(String agentArgs, Instrumentation instrumentation) {
CloudEnvironment environment = getEnvironment();
log.debug("Environment detected: {}", environment);

if (environment == CloudEnvironment.UNKNOWN) {
log.error("{} environment detected, will not start the Datadog Serverless Compatibility Layer",
environment);
return;
}

final String fileName;
final String tempDirPath;

Expand Down