[ci] Use different sccache bucket for CUDA 11.8 wheel build (#6656)

Signed-off-by: kevin <kevin@anyscale.com>

.buildkite/release-pipeline.yaml

@@ -3,13 +3,15 @@ steps:
     agents:
       queue: cpu_queue
     commands:
-      - "DOCKER_BUILDKIT=1 docker build --build-arg max_jobs=16 --build-arg USE_SCCACHE=1 --build-arg CUDA_VERSION={{matrix.cuda_version}} --tag vllm-ci:build-image --target build --progress plain ."
+      - "DOCKER_BUILDKIT=1 docker build --build-arg max_jobs=16 --build-arg buildkite_commit=$BUILDKITE_COMMIT --build-arg USE_SCCACHE=1 --build-arg CUDA_VERSION={{matrix.cuda_version}} --tag vllm-ci:build-image --target build --progress plain ."
       - "mkdir artifacts"
       - "docker run --rm -v $(pwd)/artifacts:/artifacts_host vllm-ci:build-image bash -c 'cp -r dist /artifacts_host && chmod -R a+rw /artifacts_host'"
       # rename the files to change linux -> manylinux1
       - "for f in artifacts/dist/*.whl; do mv -- \"$$f\" \"$${f/linux/manylinux1}\"; done"
       - "aws s3 cp --recursive artifacts/dist s3://vllm-wheels/$BUILDKITE_COMMIT/"
       - "aws s3 cp --recursive artifacts/dist s3://vllm-wheels/nightly/"
+    env:
+      DOCKER_BUILDKIT: "1"
     matrix:
       setup:
         cuda_version:

Dockerfile

@@ -103,7 +103,11 @@ RUN --mount=type=cache,target=/root/.cache/pip \
         && tar -xzf sccache.tar.gz \
         && sudo mv sccache-v0.8.1-x86_64-unknown-linux-musl/sccache /usr/bin/sccache \
         && rm -rf sccache.tar.gz sccache-v0.8.1-x86_64-unknown-linux-musl \
-        && export SCCACHE_BUCKET=vllm-build-sccache \
+        && if [ "$CUDA_VERSION" = "11.8.0" ]; then \
+            export SCCACHE_BUCKET=vllm-build-sccache-2; \
+           else \
+            export SCCACHE_BUCKET=vllm-build-sccache; \
+           fi \
         && export SCCACHE_REGION=us-west-2 \
         && export CMAKE_BUILD_TYPE=Release \
         && sccache --show-stats \