Use the orchestrator client for ECS and IMDS credentials in aws-config (

#2997)

This ports the direct uses of the `aws_smithy_client::Client` in
aws_config to the orchestrator.

----

_By submitting this pull request, I confirm that you can use, modify,
copy, and redistribute this contribution, under the terms of your
choice._

CHANGELOG.next.toml

@@ -241,3 +241,15 @@ message = "The `futures_core::stream::Stream` trait has been removed from [`Byte
 references = ["smithy-rs#2983"]
 meta = { "breaking" = true, "tada" = false, "bug" = false, "target" = "client" }
 author = "ysaito1001"
+
+[[smithy-rs]]
+message = "`StaticUriEndpointResolver`'s `uri` constructor now takes a `String` instead of a `Uri`."
+references = ["smithy-rs#2997"]
+meta = { "breaking" = true, "tada" = false, "bug" = false, "target" = "client" }
+author = "jdisanti"
+
+[[aws-sdk-rust]]
+message = "The IMDS Client builder's `build()` method is no longer async."
+references = ["smithy-rs#2997"]
+meta = { "breaking" = true, "tada" = false, "bug" = false }
+author = "jdisanti"

aws/rust-runtime/aws-config/Cargo.toml

@@ -9,7 +9,7 @@ license = "Apache-2.0"
 repository = "https://github.com/awslabs/smithy-rs"
 
 [features]
-client-hyper = ["aws-smithy-client/client-hyper"]
+client-hyper = ["aws-smithy-client/client-hyper", "aws-smithy-runtime/connector-hyper"]
 rustls = ["aws-smithy-client/rustls", "client-hyper"]
 native-tls = []
 allow-compilation = [] # our tests use `cargo test --all-features` and native-tls breaks CI
@@ -27,7 +27,10 @@ aws-smithy-client = { path = "../../sdk/build/aws-sdk/sdk/aws-smithy-client", de
 aws-smithy-http = { path = "../../sdk/build/aws-sdk/sdk/aws-smithy-http" }
 aws-smithy-http-tower = { path = "../../sdk/build/aws-sdk/sdk/aws-smithy-http-tower" }
 aws-smithy-json = { path = "../../sdk/build/aws-sdk/sdk/aws-smithy-json" }
+aws-smithy-runtime = { path = "../../sdk/build/aws-sdk/sdk/aws-smithy-runtime", features = ["client"] }
+aws-smithy-runtime-api = { path = "../../sdk/build/aws-sdk/sdk/aws-smithy-runtime-api", features = ["client"] }
 aws-smithy-types = { path = "../../sdk/build/aws-sdk/sdk/aws-smithy-types" }
+aws-runtime = { path = "../../sdk/build/aws-sdk/sdk/aws-runtime" }
 aws-types = { path = "../../sdk/build/aws-sdk/sdk/aws-types" }
 hyper = { version = "0.14.26", default-features = false }
 time = { version = "0.3.4", features = ["parsing"] }
@@ -48,6 +51,7 @@ hex = { version = "0.4.3", optional = true }
 zeroize = { version = "1", optional = true }
 
 [dev-dependencies]
+aws-smithy-runtime = { path = "../../sdk/build/aws-sdk/sdk/aws-smithy-runtime", features = ["client", "test-util"] }
 futures-util = { version = "0.3.16", default-features = false }
 tracing-test = "0.2.1"
 tracing-subscriber = { version = "0.3.16", features = ["fmt", "json"] }

aws/rust-runtime/aws-config/examples/imds.rs

@@ -12,8 +12,8 @@
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     use aws_config::imds::Client;
 
-    let imds = Client::builder().build().await?;
+    let imds = Client::builder().build();
     let instance_id = imds.get("/latest/meta-data/instance-id").await?;
-    println!("current instance id: {}", instance_id);
+    println!("current instance id: {}", instance_id.as_ref());
     Ok(())
 }

aws/rust-runtime/aws-config/src/ecs.rs

@@ -55,7 +55,7 @@ use aws_credential_types::provider::{self, error::CredentialsError, future, Prov
 use aws_smithy_client::erase::boxclone::BoxCloneService;
 use aws_smithy_http::endpoint::apply_endpoint;
 use aws_smithy_types::error::display::DisplayErrorContext;
-use http::uri::{InvalidUri, Scheme};
+use http::uri::{InvalidUri, PathAndQuery, Scheme};
 use http::{HeaderValue, Uri};
 use tower::{Service, ServiceExt};
 
@@ -166,6 +166,15 @@ impl Provider {
             Err(EcsConfigurationError::NotConfigured) => return Provider::NotConfigured,
             Err(err) => return Provider::InvalidConfiguration(err),
         };
+        let path = uri.path().to_string();
+        let endpoint = {
+            let mut parts = uri.into_parts();
+            parts.path_and_query = Some(PathAndQuery::from_static("/"));
+            Uri::from_parts(parts)
+        }
+        .expect("parts will be valid")
+        .to_string();
+
         let http_provider = HttpCredentialProvider::builder()
             .configure(&provider_config)
             .connector_settings(
@@ -174,7 +183,7 @@ impl Provider {
                     .read_timeout(DEFAULT_READ_TIMEOUT)
                     .build(),
             )
-            .build("EcsContainer", uri);
+            .build("EcsContainer", &endpoint, path);
         Provider::Configured(http_provider)
     }