Add --force-rm flag

frameworks/Rust/hyper/hyper.dockerfile

@@ -1,8 +1,17 @@
 FROM rust:1.85 AS hyper
 
 WORKDIR /src
-COPY . .
-RUN RUSTFLAGS="-C target-cpu=native" cargo install --path . --locked
+ENV RUSTFLAGS="-C target-cpu=native"
+
+# Cache dependency builds (requires passing --force-rm False to tfb command)
+COPY Cargo.toml Cargo.lock /src/
+RUN mkdir src \
+    && echo "fn main() {println!(\"if you see this, the build broke\")}" > src/main.rs \
+    && cargo build --release \
+    && rm -rfv src/ target/release/hyper-techempower* target/release/deps/hyper_techempower*
+
+COPY . /src/
+RUN cargo install --path . --locked
 EXPOSE 8080
 CMD ["hyper-techempower"]
 HEALTHCHECK CMD curl --fail http://localhost:8080/ping || exit 1

toolset/run-tests.py

@@ -208,6 +208,10 @@ def main(argv=None):
         nargs='*',
         default=None,
         help='Extra docker arguments to be passed to the test container')
+    parser.add_argument(
+        '--force-rm',
+        default=True,
+        help='Remove intermediate docker containers after running.')
 
     # Network options
     parser.add_argument(

toolset/utils/benchmark_config.py

@@ -55,6 +55,7 @@ def __init__(self, args):
         self.cpuset_cpus = args.cpuset_cpus
         self.test_container_memory = args.test_container_memory
         self.extra_docker_runtime_args = args.extra_docker_runtime_args
+        self.force_rm_intermediate_docker_layers = args.force_rm
 
         if self.network_mode is None:
             self.network = 'tfb'

toolset/utils/docker_helper.py

@@ -39,7 +39,7 @@ def __build(self, base_url, path, build_log_file, log_prefix, dockerfile,
                     path=path,
                     dockerfile=dockerfile,
                     tag=tag,
-                    forcerm=True,
+                    forcerm=self.benchmarker.config.force_rm_intermediate_docker_layers,
                     timeout=3600,
                     pull=True,
                     buildargs=buildargs,