Create IMDS-specific retry strategy in ClientConfiguration during setup

Author: kai-ion

src/aws-cpp-sdk-core/include/aws/core/client/ClientConfiguration.h

@@ -507,8 +507,12 @@ namespace Aws
                */
               long metadataServiceTimeout = 1;
 
-
             } imdsConfig;
+            
+            /**
+             * IMDS-specific retry strategy based on metadata_service_num_attempts
+             */
+            std::shared_ptr<RetryStrategy> imdsRetryStrategy = nullptr;
           }credentialProviderConfig;
         };
 

src/aws-cpp-sdk-core/source/client/ClientConfiguration.cpp

@@ -314,7 +314,11 @@ void setConfigFromEnvOrProfile(ClientConfiguration &config)
     // Parse and set IMDS num attempts
     long attempts = static_cast<long>(Aws::Utils::StringUtils::ConvertToInt32(numAttemptsStr.c_str()));
     config.credentialProviderConfig.imdsConfig.metadataServiceNumAttempts = attempts;
-
+    
+    // Create IMDS-specific retry strategy based on configured attempts
+    if (attempts > 0) {
+        config.credentialProviderConfig.imdsRetryStrategy = Aws::MakeShared<DefaultRetryStrategy>(CLIENT_CONFIG_TAG, attempts - 1, 1000);
+    }
 }
 
 ClientConfiguration::ClientConfiguration()

src/aws-cpp-sdk-core/source/internal/AWSHttpResourceClient.cpp

@@ -47,7 +47,7 @@ namespace Aws
 
     namespace Internal
     {
-        static ClientConfiguration MakeDefaultHttpResourceClientConfiguration(const char *logtag)
+        static ClientConfiguration MakeDefaultHttpResourceClientConfiguration(const char *logtag, const Aws::Client::ClientConfiguration* clientConfig = nullptr)
         {
             ClientConfiguration res;
 
@@ -196,7 +196,7 @@ namespace Aws
 
         EC2MetadataClient::EC2MetadataClient(const Aws::Client::ClientConfiguration &clientConfiguration,
             const char *endpoint) :
-            AWSHttpResourceClient(clientConfiguration, EC2_METADATA_CLIENT_LOG_TAG),
+            AWSHttpResourceClient(MakeDefaultHttpResourceClientConfiguration(EC2_METADATA_CLIENT_LOG_TAG, &clientConfiguration), EC2_METADATA_CLIENT_LOG_TAG),
             m_endpoint(endpoint),
             m_disableIMDS(clientConfiguration.disableIMDS),
             m_tokenRequired(true),