DataDog · bm1549 · Jun 9, 2026 · Jun 10, 2026
@@ -33,6 +33,7 @@ Build images used for system tests.
 * `php`
 * `python`
 * `ruby`
+* `rust`
 
 `cpp` is not available for `build.sh` because only parametric tests are runnable for `dd-trace-cpp`.
 
@@ -46,6 +47,7 @@ Build images used for system tests.
 * For `php`: `apache-mod-8.1`, `apache-mod-8.0` (default), `apache-mod-7.4`, `apache-mod-7.3`, `apache-mod-7.2`, `apache-mod-7.1`, `apache-mod-7.0`, `apache-mod-8.1-zts`, `apache-mod-8.0-zts`, `apache-mod-7.4-zts`, `apache-mod-7.3-zts`, `apache-mod-7.2-zts`, `apache-mod-7.1-zts`, `apache-mod-7.0-zts`, `php-fpm-8.1`, `php-fpm-8.0`, `php-fpm-7.4`, `php-fpm-7.3`, `php-fpm-7.2`, `php-fpm-7.1`, `php-fpm-7.0`
 * For `python`: `flask-poc` (default), `fastapi`, `uwsgi-poc`, `django-poc`, `python3.12`
 * For `ruby`: `rails70` (default), `rack`, `sinatra21`, and lot of other sinatra/rails versions
+* For `rust`: `axum` (default)
 
 
 ## Real life examples

@@ -697,7 +697,7 @@ manifest:
   tests/k8s_lib_injection/test_k8s_lib_injection_profiling.py::TestK8sLibInjectioProfilingClusterOverride: v1.9.0
   tests/k8s_lib_injection/test_k8s_lib_injection_profiling.py::TestK8sLibInjectioProfilingDisabledByDefault: v1.9.0
   tests/otel/test_context_propagation.py::Test_Otel_Context_Propagation_Default_Propagator_Api: incomplete_test_app (endpoint not implemented)
-  tests/otel/test_tracing_otlp.py::Test_Otel_Tracing_OTLP: missing_feature
+  tests/otel/test_tracing_otlp.py::Test_Otel_Tracing_OTLP: v1.21.0-dev
   tests/otel_tracing_e2e/test_e2e.py::Test_OTelLogE2E: irrelevant
   tests/otel_tracing_e2e/test_e2e.py::Test_OTelMetricE2E: irrelevant
   tests/otel_tracing_e2e/test_e2e.py::Test_OTelTracingE2E: irrelevant

@@ -2048,7 +2048,7 @@ manifest:
         "*": incomplete_test_app (endpoint not implemented)
         rails72: v2.0.0
   tests/otel/test_context_propagation.py::Test_Otel_Context_Propagation_Default_Propagator_Api::test_propagation_extract: incomplete_test_app (Ruby extract seems to fail even though it should be supported)
-  tests/otel/test_tracing_otlp.py::Test_Otel_Tracing_OTLP: missing_feature
+  tests/otel/test_tracing_otlp.py::Test_Otel_Tracing_OTLP: v2.36.0-dev
   tests/otel_tracing_e2e/test_e2e.py::Test_OTelLogE2E: irrelevant
   tests/otel_tracing_e2e/test_e2e.py::Test_OTelMetricE2E: irrelevant
   tests/otel_tracing_e2e/test_e2e.py::Test_OTelTracingE2E: irrelevant

@@ -54,7 +54,7 @@ manifest:
   tests/integrations/test_mongo.py::Test_Mongo: missing_feature (Endpoint is not implemented on weblog)
   tests/integrations/test_service_overrides.py::Test_SqlServiceNameSource: irrelevant (Only implemented for Java)
   tests/integrations/test_sql.py::Test_Sql: missing_feature (Endpoint is not implemented on weblog)
-  tests/otel/test_tracing_otlp.py::Test_Otel_Tracing_OTLP: missing_feature
+  tests/otel/test_tracing_otlp.py::Test_Otel_Tracing_OTLP: v0.3.4-dev
   tests/otel_tracing_e2e/test_e2e.py::Test_OTelLogE2E: irrelevant
   tests/otel_tracing_e2e/test_e2e.py::Test_OTelMetricE2E: irrelevant
   tests/otel_tracing_e2e/test_e2e.py::Test_OTelTracingE2E: irrelevant

@@ -0,0 +1,37 @@
+FROM rust:1.87-slim-bookworm AS builder
+WORKDIR /usr/app
+
+# Bring in the weblog sources.
+COPY utils/build/docker/rust/weblog .
+
+# Bring in the binaries folder, which may contain a dd-trace-rs checkout and/or a rust-load-from-git file.
+COPY binaries/ /binaries/
+
+RUN apt-get update && apt-get install -y --no-install-recommends openssh-client git jq build-essential perl libssl-dev pkg-config curl
+
+# Resolves the dd-trace-rs source into /binaries/dd-trace-rs and stamps a -dev version (trace-only,
+# no gRPC features) so this builds against the feature branch on the rust:1.87 toolchain.
+RUN bash ./install_ddtrace.sh
+
+RUN \
+    --mount=type=cache,target=/usr/app/target/ \
+    --mount=type=cache,target=/usr/local/cargo/registry/ \
+    cargo build --release && cp ./target/release/weblog /usr/app/weblog
+
+# Resolve the tracer version from the lockfile so the weblog can report it on /healthcheck.
+RUN ./system_tests_library_version.sh > /usr/app/SYSTEM_TESTS_LIBRARY_VERSION
+
+FROM debian:bookworm-slim AS final
+RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /usr/app/weblog /usr/app/weblog
+COPY --from=builder /usr/app/Cargo.lock /usr/app/Cargo.lock
+COPY --from=builder /usr/app/SYSTEM_TESTS_LIBRARY_VERSION /usr/app/SYSTEM_TESTS_LIBRARY_VERSION
+
+WORKDIR /usr/app
+
+# The harness invokes ./app.sh; export the resolved tracer version so /healthcheck can return it.
+RUN printf '#!/bin/bash\nexport SYSTEM_TESTS_LIBRARY_VERSION="$(cat /usr/app/SYSTEM_TESTS_LIBRARY_VERSION)"\nexec ./weblog\n' > app.sh \
+    && chmod +x app.sh
+
+CMD ["./app.sh"]
@@ -0,0 +1 @@
+target
@@ -0,0 +1,37 @@
+[package]
+name          = "weblog"
+version       = "0.0.1"
+description   = "Dockerized Rust/Axum based HTTP weblog for end-to-end System tests"
+edition       = "2021"
+license       = "Apache-2.0"
+publish       = false
+
+rust-version  = "1.87" # should match Dockerfile rustc version
+
+[[bin]]
+name = "weblog"
+path = "src/main.rs"
+doc = false
+bench = false
+
+[dependencies]
+anyhow                  = { version = "1.0" }
+axum                    = { version = "0.8.4", features = [ "http1", "json", "query" ] }
+hyper                   = { version = "1.0", features = ["client", "http1"] }
+hyper-util              = { version = "0.1", features = ["tokio", "client", "client-legacy", "http1"] }
+http-body-util         = { version = "0.1" }
+reqwest                 = { version = "0.12", default-features = false, features = ["json"] }
+serde                   = { version = "1.0", features = [ "derive" ] }
+serde_json              = { version = "1.0" }
+tokio                   = { version = "1", features = [ "macros", "rt-multi-thread", "signal", "net" ] }
+tracing                 = { version = "0.1", default-features = false }
+tracing-subscriber      = { version = "0.3", default-features = false, features = [ "env-filter", "fmt" ] }
+opentelemetry           = { version = "0.31.0" }
+opentelemetry_sdk       = { version = "0.31.0" }
+opentelemetry-http      = { version = "0.31.0" }
+opentelemetry-semantic-conventions = { version = "0.31.0", features = [ "semconv_experimental" ] }
+
+# Trace-only OTLP export: default features (no metrics/logs gRPC), which keeps the dependency tree
+# off tonic and lets this build on the rust:1.87 base image. The path points at the dd-trace-rs
+# checkout placed in /binaries by the weblog build (see axum.Dockerfile).
+datadog-opentelemetry  = { path = "/binaries/dd-trace-rs/datadog-opentelemetry" }
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+# Prepares the dd-trace-rs (datadog-opentelemetry) source the weblog depends on.
+#
+# Unlike the parametric install_ddtrace.sh, this script does NOT enable the metrics/logs gRPC
+# features: the OTLP trace-export weblog only needs trace export over http/json, and pulling in
+# tonic via the gRPC features raises the minimum rustc above the base image's toolchain.
+#
+# Resolution order:
+#   1. /binaries/rust-load-from-git present -> clone that branch/ref of dd-trace-rs.
+#   2. /binaries/dd-trace-rs present        -> use the pre-supplied checkout as-is.
+#   3. otherwise                            -> swap the path dependency for the crates.io release.
+
+set -eu
+
+cd /usr/app
+
+REPO_URL=https://github.com/DataDog/dd-trace-rs
+
+if [ -e /binaries/rust-load-from-git ] && [ ! -e /binaries/dd-trace-rs ]; then
+    rev_or_branch=$(</binaries/rust-load-from-git)
+    echo "Clone $REPO_URL -b $rev_or_branch into /binaries/dd-trace-rs"
+    git clone -b "$rev_or_branch" "$REPO_URL" /binaries/dd-trace-rs
+fi
+
+if [ -e /binaries/dd-trace-rs ]; then
+    echo "Using dd-trace-rs from /binaries/dd-trace-rs"
+
+    cd /binaries/dd-trace-rs
+
+    # Stamp a -dev version so system-tests treats this as an unreleased/in-development build.
+    current_version=$(cargo metadata --no-deps --format-version 1 \
+        | jq -r '.packages[] | select(.name == "datadog-opentelemetry") | .version')
+
+    IFS=. read -r major minor patch <<<"$current_version"
+    if [[ -z "${minor:-}" || -z "${patch:-}" ]]; then
+        echo "expected semver MAJOR.MINOR.PATCH, got: $current_version" >&2
+        exit 1
+    fi
+    new_version="${major}.${minor}.$((patch + 1))"
+
+    if [ -e /binaries/dd-trace-rs/.git ]; then
+        dev_version="${new_version}-dev+$(git -C /binaries/dd-trace-rs rev-parse --short HEAD)"
+    else
+        dev_version="${new_version}-dev"
+    fi
+
+    echo "generating dev version $dev_version from $current_version"
+    sed -i "s/^version = \"${current_version}\"/version = \"${dev_version}\"/" /binaries/dd-trace-rs/Cargo.toml
+
+    cd /usr/app
+else
+    echo "No local dd-trace-rs checkout; using crates.io release"
+    cargo remove datadog-opentelemetry || true
+    cargo add datadog-opentelemetry
+fi