339 lines
10 KiB
Bash
Executable File
339 lines
10 KiB
Bash
Executable File
#!/bin/bash
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# Default Configuration
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IMAGE_NAME="vllm-node"
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DEFAULT_CONTAINER_NAME="vllm_node"
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# Modify these if you want to pass additional docker args or set VLLM_SPARK_EXTRA_DOCKER_ARGS variable
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DOCKER_ARGS="-e NCCL_IGNORE_CPU_AFFINITY=1 -v $HOME/.cache/huggingface:/root/.cache/huggingface"
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# Append additional arguments from environment variable
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if [[ -n "$VLLM_SPARK_EXTRA_DOCKER_ARGS" ]]; then
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DOCKER_ARGS="$DOCKER_ARGS $VLLM_SPARK_EXTRA_DOCKER_ARGS"
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fi
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# ETH_IF and IB_IF will be auto-detected if not provided
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ETH_IF=""
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IB_IF=""
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NCCL_DEBUG_VAL=""
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# Initialize variables
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NODES_ARG=""
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CONTAINER_NAME="$DEFAULT_CONTAINER_NAME"
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COMMAND_TO_RUN=""
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DAEMON_MODE="false"
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CHECK_CONFIG="false"
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ACTION="start"
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CLUSTER_WAS_RUNNING="false"
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# Function to print usage
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usage() {
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echo "Usage: $0 [-n <node_ips>] [-t <image_name>] [--name <container_name>] [--eth-if <if_name>] [--ib-if <if_name>] [--nccl-debug <level>] [--check-config] [-d] [action] [command]"
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echo " -n, --nodes Comma-separated list of node IPs (Optional, auto-detected if omitted)"
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echo " -t Docker image name (Optional, default: $IMAGE_NAME)"
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echo " --name Container name (Optional, default: $DEFAULT_CONTAINER_NAME)"
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echo " --eth-if Ethernet interface (Optional, auto-detected)"
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echo " --ib-if InfiniBand interface (Optional, auto-detected)"
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echo " --nccl-debug NCCL debug level (Optional, one of: VERSION, WARN, INFO, TRACE). If no level is provided, defaults to INFO."
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echo " --check-config Check configuration and auto-detection without launching"
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echo " -d Daemon mode (only for 'start' action)"
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echo " action start | stop | status | exec (Default: start)"
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echo " command Command to run (only for 'exec' action)"
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exit 1
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}
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# Parse arguments
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while [[ "$#" -gt 0 ]]; do
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case $1 in
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-n|--nodes) NODES_ARG="$2"; shift ;;
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-t) IMAGE_NAME="$2"; shift ;;
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--name) CONTAINER_NAME="$2"; shift ;;
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--eth-if) ETH_IF="$2"; shift ;;
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--ib-if) IB_IF="$2"; shift ;;
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--nccl-debug)
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if [[ -n "$2" && "$2" =~ ^(VERSION|WARN|INFO|TRACE)$ ]]; then
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NCCL_DEBUG_VAL="$2"
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shift
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else
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NCCL_DEBUG_VAL="INFO"
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fi
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;;
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--check-config) CHECK_CONFIG="true" ;;
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-d) DAEMON_MODE="true" ;;
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-h|--help) usage ;;
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start|stop|status)
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ACTION="$1"
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;;
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exec)
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ACTION="exec"
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shift
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COMMAND_TO_RUN="$@"
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break
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;;
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*)
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# If it's not a flag and not a known action, treat as exec command for backward compatibility
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# unless it's the default 'start' implied.
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# However, to support "omitted" = start, we need to be careful.
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# If the arg looks like a command, it's exec.
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ACTION="exec"
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COMMAND_TO_RUN="$@"
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break
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;;
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esac
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shift
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done
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# Append NCCL_DEBUG if set, with validation
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if [[ -n "$NCCL_DEBUG_VAL" ]]; then
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case "$NCCL_DEBUG_VAL" in
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VERSION|WARN|INFO|TRACE)
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DOCKER_ARGS="$DOCKER_ARGS -e NCCL_DEBUG=$NCCL_DEBUG_VAL"
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;;
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*)
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echo "Error: Invalid value for --nccl-debug: $NCCL_DEBUG_VAL"
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echo "Allowed values: VERSION, WARN, INFO, TRACE"
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exit 1
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;;
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esac
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fi
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# --- Auto-Detection Logic ---
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# Source autodiscover module
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source "$(dirname "$0")/autodiscover.sh"
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# Perform auto-detection
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detect_interfaces || exit 1
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detect_nodes || exit 1
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if [[ -z "$NODES_ARG" ]]; then
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echo "Error: Nodes argument (-n) is mandatory or could not be auto-detected."
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usage
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fi
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# Split nodes into array
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IFS=',' read -r -a ALL_NODES <<< "$NODES_ARG"
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# Detect Head IP (Local IP)
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detect_local_ip || exit 1
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HEAD_IP="$LOCAL_IP"
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# Verify HEAD_IP is in ALL_NODES
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FOUND_HEAD=false
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for ip in "${ALL_NODES[@]}"; do
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ip=$(echo "$ip" | xargs)
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if [[ "$ip" == "$HEAD_IP" ]]; then
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FOUND_HEAD=true
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break
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fi
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done
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if [ "$FOUND_HEAD" = false ]; then
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echo "Error: Local IP ($HEAD_IP) is not in the list of nodes ($NODES_ARG)."
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exit 1
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fi
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echo "Head Node: $HEAD_IP"
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echo "Worker Nodes: ${PEER_NODES[*]}"
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echo "Container Name: $CONTAINER_NAME"
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echo "Image Name: $IMAGE_NAME"
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echo "Action: $ACTION"
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# Check SSH connectivity to worker nodes
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if [[ "$ACTION" == "start" || "$ACTION" == "exec" || "$CHECK_CONFIG" == "true" ]]; then
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if [ ${#PEER_NODES[@]} -gt 0 ]; then
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echo "Checking SSH connectivity to worker nodes..."
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for worker in "${PEER_NODES[@]}"; do
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if ! ssh -o BatchMode=yes -o ConnectTimeout=5 -o StrictHostKeyChecking=no "$worker" true 2>/dev/null; then
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echo "Error: Passwordless SSH to $worker failed."
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echo " Please ensure SSH keys are configured and the host is reachable."
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exit 1
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fi
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echo " SSH to $worker: OK"
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done
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fi
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fi
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if [[ "$CHECK_CONFIG" == "true" ]]; then
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echo "Configuration Check Complete."
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echo " Image Name: $IMAGE_NAME"
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echo " ETH Interface: $ETH_IF"
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echo " IB Interface: $IB_IF"
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exit 0
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fi
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# Cleanup Function
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cleanup() {
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# Remove traps to prevent nested cleanup
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trap - EXIT INT TERM HUP
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if [[ "$CLUSTER_WAS_RUNNING" == "true" ]]; then
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echo "Cluster was already running when script started. Skipping cleanup."
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return
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fi
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echo ""
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echo "Stopping cluster..."
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# Stop Head
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echo "Stopping head node ($HEAD_IP)..."
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docker stop "$CONTAINER_NAME" >/dev/null 2>&1 || true
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# Stop Workers
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for worker in "${PEER_NODES[@]}"; do
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echo "Stopping worker node ($worker)..."
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ssh "$worker" "docker stop $CONTAINER_NAME" >/dev/null 2>&1 || true
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done
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echo "Cluster stopped."
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}
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# Handle 'stop' action
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if [[ "$ACTION" == "stop" ]]; then
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cleanup
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exit 0
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fi
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# Handle 'status' action
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if [[ "$ACTION" == "status" ]]; then
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echo "Checking status..."
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# Check Head
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if docker ps | grep -q "$CONTAINER_NAME"; then
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echo "[HEAD] $HEAD_IP: Container '$CONTAINER_NAME' is RUNNING."
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echo "--- Ray Status ---"
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docker exec "$CONTAINER_NAME" ray status || echo "Failed to get ray status."
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echo "------------------"
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else
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echo "[HEAD] $HEAD_IP: Container '$CONTAINER_NAME' is NOT running."
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fi
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# Check Workers
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for worker in "${PEER_NODES[@]}"; do
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if ssh "$worker" "docker ps | grep -q '$CONTAINER_NAME'"; then
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echo "[WORKER] $worker: Container '$CONTAINER_NAME' is RUNNING."
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else
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echo "[WORKER] $worker: Container '$CONTAINER_NAME' is NOT running."
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fi
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done
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exit 0
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fi
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# Trap signals
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# Only trap if we are NOT in daemon mode, OR if we are in exec mode (always cleanup after exec)
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if [[ "$DAEMON_MODE" == "false" ]] || [[ "$ACTION" == "exec" ]]; then
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trap cleanup EXIT INT TERM HUP
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fi
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# Check if cluster is already running
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check_cluster_running() {
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local running=false
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# Check Head
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if docker ps --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
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echo "Warning: Container '$CONTAINER_NAME' is already running on head node ($HEAD_IP)."
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running=true
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fi
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# Check Workers
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for worker in "${PEER_NODES[@]}"; do
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if ssh "$worker" "docker ps --format '{{.Names}}' | grep -q '^${CONTAINER_NAME}$'"; then
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echo "Warning: Container '$CONTAINER_NAME' is already running on worker node ($worker)."
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running=true
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fi
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done
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if [[ "$running" == "true" ]]; then
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echo "Cluster containers are already running. Skipping launch."
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CLUSTER_WAS_RUNNING="true"
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return 0
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fi
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}
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# Start Cluster Function
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start_cluster() {
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check_cluster_running
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if [[ "$CLUSTER_WAS_RUNNING" == "true" ]]; then
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return
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fi
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# Start Head Node
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echo "Starting Head Node on $HEAD_IP..."
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docker run -d --privileged --gpus all --rm \
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--ipc=host --network host \
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--name "$CONTAINER_NAME" \
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$DOCKER_ARGS \
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"$IMAGE_NAME" \
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./run-cluster-node.sh \
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--role head \
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--host-ip "$HEAD_IP" \
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--eth-if "$ETH_IF" \
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--ib-if "$IB_IF"
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# Start Worker Nodes
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# Start Worker Nodes
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for worker in "${PEER_NODES[@]}"; do
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echo "Starting Worker Node on $worker..."
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ssh "$worker" "docker run -d --privileged --gpus all --rm \
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--ipc=host --network host \
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--name $CONTAINER_NAME \
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$DOCKER_ARGS \
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$IMAGE_NAME \
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./run-cluster-node.sh \
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--role node \
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--host-ip $worker \
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--eth-if $ETH_IF \
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--ib-if $IB_IF \
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--head-ip $HEAD_IP"
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done
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wait_for_cluster
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}
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# Wait for Cluster Readiness
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wait_for_cluster() {
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echo "Waiting for cluster to be ready..."
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local retries=30
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local count=0
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while [[ $count -lt $retries ]]; do
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# Check if ray is responsive
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if docker exec "$CONTAINER_NAME" ray status >/dev/null 2>&1; then
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echo "Cluster head is responsive."
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# Give workers a moment to connect
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sleep 5
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return 0
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fi
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sleep 2
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((count++))
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done
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echo "Timeout waiting for cluster to start."
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exit 1
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}
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if [[ "$ACTION" == "exec" ]]; then
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start_cluster
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echo "Executing command on head node: $COMMAND_TO_RUN"
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# Check if running in a TTY to avoid "input device is not a TTY" error
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if [ -t 0 ]; then
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DOCKER_EXEC_FLAGS="-it"
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else
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DOCKER_EXEC_FLAGS="-i"
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fi
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docker exec $DOCKER_EXEC_FLAGS "$CONTAINER_NAME" bash -i -c "$COMMAND_TO_RUN"
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elif [[ "$ACTION" == "start" ]]; then
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start_cluster
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if [[ "$DAEMON_MODE" == "true" ]]; then
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echo "Cluster started in background (Daemon mode)."
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else
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echo "Cluster started. Tailing logs from head node..."
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echo "Press Ctrl+C to stop the cluster."
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docker logs -f "$CONTAINER_NAME" &
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wait $!
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fi
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fi
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