feat: add support for account ID in IMDS credentials

.changes/525a1637-f0f1-4cbd-97dd-5e9c6bcd182e.json

@@ -0,0 +1,5 @@
+{
+    "id": "525a1637-f0f1-4cbd-97dd-5e9c6bcd182e",
+    "type": "feature",
+    "description": "Add support for fetching account ID from IMDS credentials on EC2"
+}

aws-runtime/aws-config/api/aws-config.api

@@ -77,6 +77,8 @@ public final class aws/sdk/kotlin/runtime/auth/credentials/EnvironmentCredential
 
 public final class aws/sdk/kotlin/runtime/auth/credentials/ImdsCredentialsProvider : aws/smithy/kotlin/runtime/auth/awscredentials/CloseableCredentialsProvider {
 	public fun <init> ()V
+	public fun <init> (Ljava/lang/String;Laws/sdk/kotlin/runtime/config/imds/InstanceMetadataProvider;Laws/smithy/kotlin/runtime/util/PlatformProvider;)V
+	public synthetic fun <init> (Ljava/lang/String;Laws/sdk/kotlin/runtime/config/imds/InstanceMetadataProvider;Laws/smithy/kotlin/runtime/util/PlatformProvider;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public fun <init> (Ljava/lang/String;Lkotlin/Lazy;Laws/smithy/kotlin/runtime/util/PlatformEnvironProvider;Laws/smithy/kotlin/runtime/time/Clock;)V
 	public synthetic fun <init> (Ljava/lang/String;Lkotlin/Lazy;Laws/smithy/kotlin/runtime/util/PlatformEnvironProvider;Laws/smithy/kotlin/runtime/time/Clock;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public fun close ()V
@@ -256,6 +258,7 @@ public final class aws/sdk/kotlin/runtime/config/AwsSdkSetting {
 	public final fun getAwsContainerCredentialsFullUri ()Laws/smithy/kotlin/runtime/config/EnvironmentSetting;
 	public final fun getAwsContainerCredentialsRelativeUri ()Laws/smithy/kotlin/runtime/config/EnvironmentSetting;
 	public final fun getAwsDisableRequestCompression ()Laws/smithy/kotlin/runtime/config/EnvironmentSetting;
+	public final fun getAwsEc2InstanceProfileName ()Laws/smithy/kotlin/runtime/config/EnvironmentSetting;
 	public final fun getAwsEc2MetadataDisabled ()Laws/smithy/kotlin/runtime/config/EnvironmentSetting;
 	public final fun getAwsEc2MetadataServiceEndpoint ()Laws/smithy/kotlin/runtime/config/EnvironmentSetting;
 	public final fun getAwsEc2MetadataServiceEndpointMode ()Laws/smithy/kotlin/runtime/config/EnvironmentSetting;
@@ -325,6 +328,8 @@ public final class aws/sdk/kotlin/runtime/config/endpoints/ResolversKt {
 
 public final class aws/sdk/kotlin/runtime/config/imds/EC2MetadataError : aws/sdk/kotlin/runtime/AwsServiceException {
 	public fun <init> (ILjava/lang/String;)V
+	public fun <init> (Laws/smithy/kotlin/runtime/http/HttpStatusCode;Ljava/lang/String;)V
+	public final fun getStatus ()Laws/smithy/kotlin/runtime/http/HttpStatusCode;
 	public final fun getStatusCode ()I
 }
 
@@ -394,6 +399,13 @@ public final class aws/sdk/kotlin/runtime/config/imds/ImdsClient$Companion {
 	public final fun invoke (Lkotlin/jvm/functions/Function1;)Laws/sdk/kotlin/runtime/config/imds/ImdsClient;
 }
 
+public final class aws/sdk/kotlin/runtime/config/imds/ImdsResolversKt {
+	public static final fun resolveDisableEc2Metadata (Laws/smithy/kotlin/runtime/util/PlatformProvider;Laws/smithy/kotlin/runtime/util/LazyAsyncValue;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
+	public static synthetic fun resolveDisableEc2Metadata$default (Laws/smithy/kotlin/runtime/util/PlatformProvider;Laws/smithy/kotlin/runtime/util/LazyAsyncValue;Lkotlin/coroutines/Continuation;ILjava/lang/Object;)Ljava/lang/Object;
+	public static final fun resolveEc2InstanceProfileName (Laws/smithy/kotlin/runtime/util/PlatformProvider;Laws/smithy/kotlin/runtime/util/LazyAsyncValue;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
+	public static synthetic fun resolveEc2InstanceProfileName$default (Laws/smithy/kotlin/runtime/util/PlatformProvider;Laws/smithy/kotlin/runtime/util/LazyAsyncValue;Lkotlin/coroutines/Continuation;ILjava/lang/Object;)Ljava/lang/Object;
+}
+
 public abstract interface class aws/sdk/kotlin/runtime/config/imds/InstanceMetadataProvider : java/io/Closeable {
 	public abstract fun get (Ljava/lang/String;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
 }
@@ -494,6 +506,8 @@ public final class aws/sdk/kotlin/runtime/config/profile/AwsProfileKt {
 	public static synthetic fun getBooleanOrNull$default (Laws/sdk/kotlin/runtime/config/profile/ConfigSection;Ljava/lang/String;Ljava/lang/String;ILjava/lang/Object;)Ljava/lang/Boolean;
 	public static final fun getCredentialProcess (Laws/sdk/kotlin/runtime/config/profile/ConfigSection;)Ljava/lang/String;
 	public static final fun getDisableRequestCompression (Laws/sdk/kotlin/runtime/config/profile/ConfigSection;)Ljava/lang/Boolean;
+	public static final fun getEc2InstanceProfileName (Laws/sdk/kotlin/runtime/config/profile/ConfigSection;)Ljava/lang/String;
+	public static final fun getEc2MetadataDisabled (Laws/sdk/kotlin/runtime/config/profile/ConfigSection;)Ljava/lang/Boolean;
 	public static final fun getEndpointUrl (Laws/sdk/kotlin/runtime/config/profile/ConfigSection;)Laws/smithy/kotlin/runtime/net/url/Url;
 	public static final fun getIgnoreEndpointUrls (Laws/sdk/kotlin/runtime/config/profile/ConfigSection;)Ljava/lang/Boolean;
 	public static final fun getIntOrNull (Laws/sdk/kotlin/runtime/config/profile/ConfigSection;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Integer;

aws-runtime/aws-config/build.gradle.kts

@@ -9,6 +9,7 @@ import org.jetbrains.dokka.gradle.DokkaTaskPartial
 
 plugins {
     alias(libs.plugins.aws.kotlin.repo.tools.smithybuild)
+    alias(libs.plugins.kotlinx.serialization)
 }
 
 description = "Support for AWS configuration"
@@ -53,6 +54,7 @@ kotlin {
                 implementation(libs.kotlinx.coroutines.test)
                 implementation(libs.smithy.kotlin.http.test)
                 implementation(libs.kotlinx.serialization.json)
+                implementation(libs.kotest.framework.datatest)
             }
         }
         jvmTest {

aws-runtime/aws-config/common/src/aws/sdk/kotlin/runtime/auth/credentials/DefaultChainCredentialsProvider.kt

@@ -41,7 +41,7 @@ import aws.smithy.kotlin.runtime.util.PlatformProvider
  * @param region the region to make credentials requests to.
  * @return the newly-constructed credentials provider
  */
-public class DefaultChainCredentialsProvider constructor(
+public class DefaultChainCredentialsProvider(
     public val profileName: String? = null,
     public val platformProvider: PlatformProvider = PlatformProvider.System,
     httpClient: HttpClientEngine? = null,
@@ -51,6 +51,11 @@ public class DefaultChainCredentialsProvider constructor(
     private val manageEngine = httpClient == null
     private val engine = httpClient ?: DefaultHttpEngine()
 
+    private val imdsClient = ImdsClient {
+        platformProvider = this@DefaultChainCredentialsProvider.platformProvider
+        engine = this@DefaultChainCredentialsProvider.engine
+    }
+
     private val chain = CredentialsProviderChain(
         SystemPropertyCredentialsProvider(platformProvider::getProperty),
         EnvironmentCredentialsProvider(platformProvider::getenv),
@@ -59,12 +64,7 @@ public class DefaultChainCredentialsProvider constructor(
         ProfileCredentialsProvider(profileName = profileName, platformProvider = platformProvider, httpClient = engine, region = region),
         EcsCredentialsProvider(platformProvider, engine),
         ImdsCredentialsProvider(
-            client = lazy {
-                ImdsClient {
-                    platformProvider = this@DefaultChainCredentialsProvider.platformProvider
-                    engine = this@DefaultChainCredentialsProvider.engine
-                }
-            },
+            client = imdsClient,
             platformProvider = platformProvider,
         ),
     )
@@ -75,6 +75,7 @@ public class DefaultChainCredentialsProvider constructor(
 
     override fun close() {
         provider.close()
+        imdsClient.close()
         if (manageEngine) {
             engine.closeIfCloseable()
         }