# This script runs test inside the corresponding ROCm docker container.
set -o pipefail

# Print ROCm version
echo "--- Confirming Clean Initial State"
while true; do
        sleep 3
        if grep -q clean /opt/amdgpu/etc/gpu_state; then
                echo "GPUs state is \"clean\""
                break
        fi
done

echo "--- ROCm info"
rocminfo

# cleanup older docker images
cleanup_docker() {
  # Get Docker's root directory
  docker_root=$(docker info -f '{{.DockerRootDir}}')
  if [ -z "$docker_root" ]; then
    echo "Failed to determine Docker root directory."
    exit 1
  fi
  echo "Docker root directory: $docker_root"
  # Check disk usage of the filesystem where Docker's root directory is located
  disk_usage=$(df "$docker_root" | tail -1 | awk '{print $5}' | sed 's/%//')
  # Define the threshold
  threshold=70
  if [ "$disk_usage" -gt "$threshold" ]; then
    echo "Disk usage is above $threshold%. Cleaning up Docker images and volumes..."
    # Remove dangling images (those that are not tagged and not used by any container)
    docker image prune -f
    # Remove unused volumes
    docker volume prune -f
    echo "Docker images and volumes cleanup completed."
  else
    echo "Disk usage is below $threshold%. No cleanup needed."
  fi
}

# Call the cleanup docker function
cleanup_docker

echo "--- Resetting GPUs"

echo "reset" > /opt/amdgpu/etc/gpu_state

while true; do
        sleep 3
        if grep -q clean /opt/amdgpu/etc/gpu_state; then
                echo "GPUs state is \"clean\""
                break
        fi
done

echo "--- Pulling container" 
image_name="rocm/vllm-ci:${BUILDKITE_COMMIT}"
container_name="rocm_${BUILDKITE_COMMIT}_$(tr -dc A-Za-z0-9 < /dev/urandom | head -c 10; echo)"
docker pull ${image_name}

remove_docker_container() {
   docker rm -f ${container_name} || docker image rm -f ${image_name} || true
}
trap remove_docker_container EXIT

echo "--- Running container"

HF_CACHE="$(realpath ~)/huggingface"
mkdir -p ${HF_CACHE}
HF_MOUNT="/root/.cache/huggingface"

commands=$@
PARALLEL_JOB_COUNT=8
# check if the command contains shard flag, we will run all shards in parallel because the host have 8 GPUs. 
if [[ $commands == *"--shard-id="* ]]; then
  for GPU in $(seq 0 $(($PARALLEL_JOB_COUNT-1))); do
    #replace shard arguments
    commands=${@//"--shard-id= "/"--shard-id=${GPU} "}
    commands=${commands//"--num-shards= "/"--num-shards=${PARALLEL_JOB_COUNT} "}
    docker run \
        --device /dev/kfd --device /dev/dri \
        --network host \
        --shm-size=16gb \
        --rm \
        -e HIP_VISIBLE_DEVICES=${GPU} \
        -e HF_TOKEN \
        -v ${HF_CACHE}:${HF_MOUNT} \
        -e HF_HOME=${HF_MOUNT} \
        --name ${container_name}_${GPU}  \
        ${image_name} \
        /bin/bash -c "${commands}" \
        |& while read -r line; do echo ">>Shard $GPU: $line"; done &
    PIDS+=($!)
  done
  #wait for all processes to finish and collect exit codes
  for pid in ${PIDS[@]}; do
    wait ${pid}
    STATUS+=($?)
  done
  for st in ${STATUS[@]}; do
    if [[ ${st} -ne 0 ]]; then
      echo "One of the processes failed with $st"
      exit ${st}
    fi
  done
else
  docker run \
          --device /dev/kfd --device /dev/dri \
          --network host \
          --shm-size=16gb \
          --rm \
          -e HIP_VISIBLE_DEVICES=0 \
          -e HF_TOKEN \
          -v ${HF_CACHE}:${HF_MOUNT} \
          -e HF_HOME=${HF_MOUNT} \
          --name ${container_name} \
          ${image_name} \
          /bin/bash -c "${commands}"
fi
