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vllm/.buildkite/scripts/cache-rocm-base-wheels.sh
2026-03-26 16:32:25 +00:00

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#!/usr/bin/env bash
# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
#
# Cache helper for ROCm base wheels
#
# This script manages caching of pre-built ROCm base wheels (torch, triton, etc.)
# to avoid rebuilding them when Dockerfile.rocm_base hasn't changed.
#
# Usage:
# cache-rocm-base-wheels.sh check - Check if cache exists, outputs "hit" or "miss"
# cache-rocm-base-wheels.sh upload - Upload wheels to cache
# cache-rocm-base-wheels.sh download - Download wheels from cache
# cache-rocm-base-wheels.sh key - Output the cache key
#
# Environment variables:
# S3_BUCKET - S3 bucket name (default: vllm-wheels)
#
# Note: ROCm version is determined by BASE_IMAGE in Dockerfile.rocm_base,
# so changes to ROCm version are captured by the Dockerfile hash.
set -euo pipefail
BUCKET="${S3_BUCKET:-vllm-wheels}"
DOCKERFILE="docker/Dockerfile.rocm_base"
CACHE_PREFIX="rocm/cache"
# Generate hash from Dockerfile content + build args
generate_cache_key() {
# Include Dockerfile content
if [[ ! -f "$DOCKERFILE" ]]; then
echo "ERROR: Dockerfile not found: $DOCKERFILE" >&2
exit 1
fi
local dockerfile_hash=$(sha256sum "$DOCKERFILE" | cut -c1-16)
echo "${dockerfile_hash}"
}
CACHE_KEY=$(generate_cache_key)
CACHE_PATH="s3://${BUCKET}/${CACHE_PREFIX}/${CACHE_KEY}/"
case "${1:-}" in
check)
echo "Checking cache for key: ${CACHE_KEY}" >&2
echo "Cache path: ${CACHE_PATH}" >&2
# Check if cache exists by listing objects
# We look for at least one .whl file
echo "Running: aws s3 ls ${CACHE_PATH}" >&2
S3_OUTPUT=$(aws s3 ls "${CACHE_PATH}" 2>&1) || true
echo "S3 ls output:" >&2
echo "$S3_OUTPUT" | head -5 >&2
if echo "$S3_OUTPUT" | grep -q "\.whl"; then
echo "hit"
else
echo "miss"
fi
;;
upload)
echo "========================================"
echo "Uploading wheels to cache"
echo "========================================"
echo "Cache key: ${CACHE_KEY}"
echo "Cache path: ${CACHE_PATH}"
echo ""
if [[ ! -d "artifacts/rocm-base-wheels" ]]; then
echo "ERROR: artifacts/rocm-base-wheels directory not found" >&2
exit 1
fi
WHEEL_COUNT=$(find artifacts/rocm-base-wheels -maxdepth 1 -name '*.whl' 2>/dev/null | wc -l)
if [[ "$WHEEL_COUNT" -eq 0 ]]; then
echo "ERROR: No wheels found in artifacts/rocm-base-wheels/" >&2
exit 1
fi
echo "Uploading $WHEEL_COUNT wheels..."
aws s3 cp --recursive artifacts/rocm-base-wheels/ "${CACHE_PATH}"
echo ""
echo "Cache upload complete!"
echo "========================================"
;;
download)
echo "========================================"
echo "Downloading wheels from cache"
echo "========================================"
echo "Cache key: ${CACHE_KEY}"
echo "Cache path: ${CACHE_PATH}"
echo ""
mkdir -p artifacts/rocm-base-wheels
# Use sync with include/exclude to only download .whl files
aws s3 sync "${CACHE_PATH}" artifacts/rocm-base-wheels/ \
--exclude "*" \
--include "*.whl"
echo ""
echo "Downloaded wheels:"
find artifacts/rocm-base-wheels -maxdepth 1 -name '*.whl' -exec ls -lh {} \;
WHEEL_COUNT=$(find artifacts/rocm-base-wheels -maxdepth 1 -name '*.whl' 2>/dev/null | wc -l)
echo ""
echo "Total: $WHEEL_COUNT wheels"
echo "========================================"
;;
key)
echo "${CACHE_KEY}"
;;
path)
echo "${CACHE_PATH}"
;;
*)
echo "Usage: $0 {check|upload|download|key|path}" >&2
echo "" >&2
echo "Commands:" >&2
echo " check - Check if cache exists, outputs 'hit' or 'miss'" >&2
echo " upload - Upload wheels from artifacts/rocm-base-wheels/ to cache" >&2
echo " download - Download wheels from cache to artifacts/rocm-base-wheels/" >&2
echo " key - Output the cache key" >&2
echo " path - Output the full S3 cache path" >&2
exit 1
;;
esac