vm_file_push
Transfer files from local host to remote virtual machines using SCP protocol. Specify VM name, local file path, and remote destination path to copy files.
Instructions
Push a file from the local host to a remote host via SCP.
Args:
vm: Name of the host (as configured in hosts.toml).
local_path: Path to the file on the local host.
remote_path: Absolute destination path on the remote host.
Returns:
Success confirmation or error message.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| vm | Yes | ||
| local_path | Yes | ||
| remote_path | Yes |
Implementation Reference
- src/sympathy_mcp/server.py:171-192 (handler)MCP tool handler decorated with @mcp.tool() that wraps the core implementation. Handles errors and returns user-friendly messages. This is the main entry point for MCP clients calling the tool.async def vm_file_push( vm: str, local_path: str, remote_path: str, ) -> str: """Push a file from the local host to a remote host via SCP. Args: vm: Name of the host (as configured in hosts.toml). local_path: Path to the file on the local host. remote_path: Absolute destination path on the remote host. Returns: Success confirmation or error message. """ try: result = await _vm_file_push(vm, local_path, remote_path) if result.exit_code == 0: return f"Successfully pushed {local_path} -> {vm}:{remote_path}" return f"ERROR pushing file: {result.stderr.strip()}" except (ValueError, KeyError, FileNotFoundError, RuntimeError, OSError) as e: return f"ERROR: {e}"
- src/sympathy_mcp/transport.py:297-322 (handler)Core implementation of vm_file_push that performs SCP file transfer from local host to remote host. Validates paths, checks file existence, and executes the SCP command.async def vm_file_push( vm: str, local_path: str, remote_path: str, ) -> ExecResult: """Push a file from the local host to a remote host via SCP. Args: vm: Name of the host (as configured in hosts.toml). local_path: Path to the file on the local host. remote_path: Absolute destination path on the remote host. Returns: ExecResult with operation details. """ host = _resolve_host(vm) _validate_local_path(local_path) _validate_path(remote_path) if not Path(local_path).is_file(): raise FileNotFoundError(f"Local file not found: {local_path}") return await _run_scp( host, [local_path, f"{host.scp_prefix}{remote_path}"], )
- src/sympathy_mcp/transport.py:55-71 (schema)Input validation functions _validate_path and _validate_local_path that validate remote and local file paths (check for empty strings, null bytes, and absolute paths).def _validate_path(path: str) -> None: """Validate a file path on the remote host (basic safety checks).""" if not path or not path.strip(): raise ValueError("Path cannot be empty") if "\x00" in path: raise ValueError("Path cannot contain null bytes") if not path.startswith("/"): raise ValueError(f"Path must be absolute (start with /): '{path}'") def _validate_local_path(path: str) -> None: """Validate a local file path on the host.""" if not path or not path.strip(): raise ValueError("Local path cannot be empty") if "\x00" in path: raise ValueError("Path cannot contain null bytes")
- src/sympathy_mcp/transport.py:27-33 (schema)ExecResult dataclass defining the return type structure with stdout, stderr, and exit_code fields used by the vm_file_push function.@dataclass class ExecResult: """Result of running a command on a remote host.""" stdout: str stderr: str exit_code: int
- src/sympathy_mcp/server.py:26-26 (registration)Import statement that imports vm_file_push from transport module as _vm_file_push, connecting the MCP handler to the core implementation.vm_file_push as _vm_file_push,