Case-insensitively resolve service-specific endpoint URLs (#1754)

Author: ianbotsf

.changes/376b0cd3-e023-4db2-bcf6-87092ee07e5e.json

@@ -0,0 +1,5 @@
+{
+    "id": "376b0cd3-e023-4db2-bcf6-87092ee07e5e",
+    "type": "feature",
+    "description": "Upgrade to **smithy-kotlin** release [**v1.5.24**](https://github.com/smithy-lang/smithy-kotlin/releases/tag/v1.5.24) to enable [case-insensitive environmental config resolution](https://github.com/smithy-lang/smithy-kotlin/pull/1469)"
+}

.changes/9704079b-98a1-4894-a21c-53f489768fd6.json

@@ -0,0 +1,5 @@
+{
+    "id": "9704079b-98a1-4894-a21c-53f489768fd6",
+    "type": "feature",
+    "description": "Support case-insensitive resolution of service-specific endpoint URLs from environment variables (e.g., `AWS_ENDPOINT_URL_DynamoDB` is equivalent to `AWS_ENDPOINT_URL_DYNAMODB`) and system properties (e.g., `aws.endpointUrlDynamoDB` is equivalent to `aws.endpointUrlDYNAMODB`)"
+}

aws-runtime/aws-config/common/src/aws/sdk/kotlin/runtime/config/AwsSdkSetting.kt

@@ -247,6 +247,7 @@ public fun AwsSdkSetting.resolveEndpointUrl(
     sysPropSuffix: String,
     envSuffix: String,
 ): Url? {
-    val serviceSetting = EnvironmentSetting(Url::parse)("aws.endpointUrl$sysPropSuffix", "AWS_ENDPOINT_URL_$envSuffix")
+    val serviceSetting = EnvironmentSetting(Url::parse)("aws.endpointUrl", "AWS_ENDPOINT_URL_")
+        .withCaseInsensitiveSuffixes(sysPropSuffix, envSuffix)
     return serviceSetting.resolve(provider) ?: AwsEndpointUrl.resolve(provider)
 }

gradle/libs.versions.toml

@@ -12,8 +12,8 @@ atomicfu-version = "0.29.0"
 binary-compatibility-validator-version = "0.18.0"
 
 # smithy-kotlin codegen and runtime are versioned separately
-smithy-kotlin-runtime-version = "1.5.22"
-smithy-kotlin-codegen-version = "0.35.22"
+smithy-kotlin-runtime-version = "1.5.24"
+smithy-kotlin-codegen-version = "0.35.24"
 
 # codegen
 smithy-version = "1.64.0"