File size: 3,604 Bytes
a6134ef | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | #!/bin/bash
# Exit immediately if a command exits with a non-zero status.
set -e
# ======================= Configuration =======================
export REPO_ID="alpgul/mcp-settings"
# ===========================================================
# --- Define paths ---
# Read-only source code directory, built by Dockerfile
APP_SRC_DIR="/app"
# [Key Fix] Create a writable runtime directory under /tmp
RUN_DIR="/tmp/mcphub"
CONFIG_FILE_NAME="mcp_settings.json"
CONFIG_FILE_PATH="${RUN_DIR}/${CONFIG_FILE_NAME}"
export HF_HOME="/tmp/.cache/huggingface"
echo "--- MCPHub Persistence Wrapper (v8 - /tmp Runtime) ---"
# 1. Create runtime directory and copy application files
echo "Creating writable runtime directory at ${RUN_DIR}..."
mkdir -p "$RUN_DIR"
echo "Copying application files from ${APP_SRC_DIR}..."
cp -a "${APP_SRC_DIR}/." "$RUN_DIR/"
# 2. Log in to Hugging Face Hub
echo "Logging into Hugging Face Hub..."
if [ -z "$HF_TOKEN" ]; then
echo "Error: HF_TOKEN environment variable is not set. Please provide a Hugging Face token."
exit 1a
fi
hf auth login --token "$HF_TOKEN" &> /dev/null
# 3. Download or create the configuration file in the writable directory
echo "Preparing config file at ${CONFIG_FILE_PATH}..."
# First download to /tmp, then move to the final location
TEMP_DOWNLOAD_PATH="/tmp/${CONFIG_FILE_NAME}"
python3 -c "from huggingface_hub import hf_hub_download; hf_hub_download(repo_id='$REPO_ID', filename='$CONFIG_FILE_NAME', repo_type='dataset', local_dir='/tmp', etag_timeout=10, resume_download=True)" || true
if [ -f "$TEMP_DOWNLOAD_PATH" ]; then
mv "$TEMP_DOWNLOAD_PATH" "$CONFIG_FILE_PATH"
else
echo "Config file not found on Hugging Face Hub, creating default config..."
cat > "$CONFIG_FILE_PATH" << 'EOL'
{
"mcpServers": {
"fetch": {
"command": "uvx",
"args": ["mcp-server-fetch"],
"env": {
"USER_AGENT": "MCPHub/1.0",
"MAX_REDIRECTS": "10"
}
}
}
}
EOL
# Try to upload the default config, but continue even if it fails
python3 -c "from huggingface_hub import HfApi; HfApi().upload_file(path_or_fileobj='$CONFIG_FILE_PATH', path_in_repo='$CONFIG_FILE_NAME', repo_id='$REPO_ID', repo_type='dataset', commit_message='feat: Initial empty config')" || true
fi
echo "Config is ready."
# 4. Start the background persistence script
echo "Starting persistence sync script in background..."
(
# Initialize hash value
LAST_HASH=""
if [ -f "$CONFIG_FILE_PATH" ]; then
LAST_HASH=$(md5sum "$CONFIG_FILE_PATH" | awk '{ print $1 }')
fi
echo "Initial config hash: $LAST_HASH"
while true; do
sleep 60
if [ -f "$CONFIG_FILE_PATH" ]; then
CURRENT_HASH=$(md5sum "$CONFIG_FILE_PATH" | awk '{ print $1 }')
if [ "$CURRENT_HASH" != "$LAST_HASH" ]; then
echo "[Sync] Config changed, uploading to Hub..."
if ! python3 -c "from huggingface_hub import HfApi; HfApi().upload_file(path_or_fileobj='$CONFIG_FILE_PATH', path_in_repo='$CONFIG_FILE_NAME', repo_id='$REPO_ID', repo_type='dataset', commit_message='chore: Auto-sync settings')"; then
echo "Error syncing config file to Hugging Face Hub."
else
LAST_HASH=$CURRENT_HASH
fi
fi
fi
done
) &
# 5. [Key Fix] Switch to the writable runtime directory, then start the application
echo "Changing directory to ${RUN_DIR}..."
cd "$RUN_DIR"
echo "Starting MCPHub server in foreground on port ${PORT}..."
npm start
echo "MCPHub server exited. Container will now stop." |