mirror of
https://github.com/Monadical-SAS/cubbi.git
synced 2025-12-20 20:29:06 +00:00
854 lines
36 KiB
Python
854 lines
36 KiB
Python
import os
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import sys
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import uuid
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import docker
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import hashlib
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import pathlib
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import concurrent.futures
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import logging
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from typing import Dict, List, Optional, Tuple
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from docker.errors import DockerException, ImageNotFound
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from .models import Session, SessionStatus
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from .config import ConfigManager
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from .session import SessionManager
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from .mcp import MCPManager
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from .user_config import UserConfigManager
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# Configure logging
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logger = logging.getLogger(__name__)
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class ContainerManager:
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def __init__(
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self,
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config_manager: Optional[ConfigManager] = None,
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session_manager: Optional[SessionManager] = None,
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user_config_manager: Optional[UserConfigManager] = None,
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):
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self.config_manager = config_manager or ConfigManager()
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self.session_manager = session_manager or SessionManager()
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self.user_config_manager = user_config_manager or UserConfigManager()
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self.mcp_manager = MCPManager(config_manager=self.user_config_manager)
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try:
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self.client = docker.from_env()
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# Test connection
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self.client.ping()
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except DockerException as e:
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logger.error(f"Error connecting to Docker: {e}")
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print(f"Error connecting to Docker: {e}")
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sys.exit(1)
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def _ensure_network(self) -> None:
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"""Ensure the MC network exists"""
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network_name = self.config_manager.config.docker.get("network", "mc-network")
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networks = self.client.networks.list(names=[network_name])
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if not networks:
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self.client.networks.create(network_name, driver="bridge")
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def _generate_session_id(self) -> str:
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"""Generate a unique session ID"""
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return str(uuid.uuid4())[:8]
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def _get_project_config_path(self, project: Optional[str] = None) -> pathlib.Path:
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"""Get the path to the project configuration directory
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Args:
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project: Optional project repository URL. If None, uses current directory.
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Returns:
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Path to the project configuration directory
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"""
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# Get home directory for the MC config
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mc_home = pathlib.Path.home() / ".mc"
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# If no project URL is provided, use the current directory path
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if not project:
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# Use current working directory as project identifier
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project_id = os.getcwd()
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else:
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# Use project URL as identifier
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project_id = project
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# Create a hash of the project ID to use as directory name
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project_hash = hashlib.md5(project_id.encode()).hexdigest()
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# Create the project config directory path
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config_path = mc_home / "projects" / project_hash / "config"
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# Create the directory if it doesn't exist
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config_path.parent.mkdir(parents=True, exist_ok=True)
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config_path.mkdir(exist_ok=True)
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return config_path
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def list_sessions(self) -> List[Session]:
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"""List all active MC sessions"""
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sessions = []
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try:
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containers = self.client.containers.list(
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all=True, filters={"label": "mc.session"}
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)
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for container in containers:
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container_id = container.id
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labels = container.labels
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session_id = labels.get("mc.session.id")
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if not session_id:
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continue
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status = SessionStatus.RUNNING
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if container.status == "exited":
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status = SessionStatus.STOPPED
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elif container.status == "created":
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status = SessionStatus.CREATING
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session = Session(
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id=session_id,
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name=labels.get("mc.session.name", f"mc-{session_id}"),
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driver=labels.get("mc.driver", "unknown"),
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status=status,
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container_id=container_id,
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created_at=container.attrs["Created"],
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project=labels.get("mc.project"),
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)
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# Get port mappings
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if container.attrs.get("NetworkSettings", {}).get("Ports"):
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ports = {}
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for container_port, host_ports in container.attrs[
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"NetworkSettings"
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]["Ports"].items():
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if host_ports:
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# Strip /tcp or /udp suffix and convert to int
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container_port_num = int(container_port.split("/")[0])
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host_port = int(host_ports[0]["HostPort"])
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ports[container_port_num] = host_port
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session.ports = ports
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sessions.append(session)
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except DockerException as e:
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print(f"Error listing sessions: {e}")
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return sessions
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def create_session(
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self,
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driver_name: str,
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project: Optional[str] = None,
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environment: Optional[Dict[str, str]] = None,
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session_name: Optional[str] = None,
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mount_local: bool = False,
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volumes: Optional[Dict[str, Dict[str, str]]] = None,
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networks: Optional[List[str]] = None,
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mcp: Optional[List[str]] = None,
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run_command: Optional[str] = None,
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uid: Optional[int] = None,
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gid: Optional[int] = None,
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) -> Optional[Session]:
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"""Create a new MC session
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Args:
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driver_name: The name of the driver to use
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project: Optional project repository URL or local directory path
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environment: Optional environment variables
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session_name: Optional session name
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mount_local: Whether to mount the specified local directory to /app (ignored if project is None)
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volumes: Optional additional volumes to mount (dict of {host_path: {"bind": container_path, "mode": mode}})
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run_command: Optional command to execute before starting the shell
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networks: Optional list of additional Docker networks to connect to
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mcp: Optional list of MCP server names to attach to the session
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uid: Optional user ID for the container process
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gid: Optional group ID for the container process
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"""
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try:
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# Validate driver exists
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driver = self.config_manager.get_driver(driver_name)
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if not driver:
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print(f"Driver '{driver_name}' not found")
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return None
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# Generate session ID and name
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session_id = self._generate_session_id()
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if not session_name:
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session_name = f"mc-{session_id}"
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# Ensure network exists
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self._ensure_network()
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# Prepare environment variables
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env_vars = environment or {}
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# Add TARGET_UID and TARGET_GID for entrypoint script
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if uid is not None:
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env_vars["TARGET_UID"] = str(uid)
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if gid is not None:
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env_vars["TARGET_GID"] = str(gid)
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# Add project URL to environment if provided
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if project:
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env_vars["MC_PROJECT_URL"] = project
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# Pass API keys from host environment to container for local development
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api_keys = [
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"OPENAI_API_KEY",
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"ANTHROPIC_API_KEY",
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"OPENROUTER_API_KEY",
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"LANGFUSE_INIT_PROJECT_PUBLIC_KEY",
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"LANGFUSE_INIT_PROJECT_SECRET_KEY",
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"LANGFUSE_URL",
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]
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for key in api_keys:
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if key in os.environ and key not in env_vars:
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env_vars[key] = os.environ[key]
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# Pull image if needed
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try:
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self.client.images.get(driver.image)
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except ImageNotFound:
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print(f"Pulling image {driver.image}...")
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self.client.images.pull(driver.image)
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# Set up volume mounts
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session_volumes = {}
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# Determine if project is a local directory or a Git repository
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is_local_directory = False
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is_git_repo = False
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if project:
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# Check if project is a local directory
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if os.path.isdir(os.path.expanduser(project)):
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is_local_directory = True
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else:
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# If not a local directory, assume it's a Git repo URL
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is_git_repo = True
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# Handle mounting based on project type
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if is_local_directory and mount_local:
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# Mount the specified local directory to /app in the container
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local_dir = os.path.abspath(os.path.expanduser(project))
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session_volumes[local_dir] = {"bind": "/app", "mode": "rw"}
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print(f"Mounting local directory {local_dir} to /app")
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# Clear project for container environment since we're mounting
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project = None
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elif is_git_repo:
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print(
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f"Git repository URL provided - container will clone {project} into /app during initialization"
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)
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# Add user-specified volumes
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if volumes:
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for host_path, mount_spec in volumes.items():
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container_path = mount_spec["bind"]
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# Check for conflicts with /app mount
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if container_path == "/app" and is_local_directory and mount_local:
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print(
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"[yellow]Warning: Volume mount to /app conflicts with local directory mount. User-specified mount takes precedence.[/yellow]"
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)
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# Remove the local directory mount if there's a conflict
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if local_dir in session_volumes:
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del session_volumes[local_dir]
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# Add the volume
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session_volumes[host_path] = mount_spec
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print(f"Mounting volume: {host_path} -> {container_path}")
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# Set up persistent project configuration
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project_config_path = self._get_project_config_path(project)
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print(f"Using project configuration directory: {project_config_path}")
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# Mount the project configuration directory
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session_volumes[str(project_config_path)] = {
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"bind": "/mc-config",
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"mode": "rw",
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}
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# Add environment variables for config path
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env_vars["MC_CONFIG_DIR"] = "/mc-config"
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env_vars["MC_DRIVER_CONFIG_DIR"] = f"/mc-config/{driver_name}"
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# Create driver-specific config directories and set up direct volume mounts
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if driver.persistent_configs:
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print("Setting up persistent configuration directories:")
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for config in driver.persistent_configs:
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# Get target directory path on host
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target_dir = project_config_path / config.target.removeprefix(
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"/mc-config/"
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)
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# Create directory if it's a directory type config
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if config.type == "directory":
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dir_existed = target_dir.exists()
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target_dir.mkdir(parents=True, exist_ok=True)
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if not dir_existed:
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print(f" - Created directory: {target_dir}")
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# For files, make sure parent directory exists
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elif config.type == "file":
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target_dir.parent.mkdir(parents=True, exist_ok=True)
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# File will be created by the container if needed
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# Mount persistent config directly to container path
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session_volumes[str(target_dir)] = {
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"bind": config.source,
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"mode": "rw",
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}
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print(
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f" - Created direct volume mount: {target_dir} -> {config.source}"
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)
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# Default MC network
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default_network = self.config_manager.config.docker.get(
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"network", "mc-network"
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)
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# Get network list
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network_list = [default_network]
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# Process MCPs if provided
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mcp_configs = []
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mcp_names = []
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mcp_container_names = []
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# Ensure MCP is a list
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mcps_to_process = mcp if isinstance(mcp, list) else []
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# Process each MCP
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for mcp_name in mcps_to_process:
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# Get the MCP configuration
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mcp_config = self.mcp_manager.get_mcp(mcp_name)
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if not mcp_config:
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print(f"Warning: MCP server '{mcp_name}' not found, skipping")
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continue
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# Add to the list of processed MCPs
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mcp_configs.append(mcp_config)
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mcp_names.append(mcp_name)
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# Check if the MCP server is running (for Docker-based MCPs)
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if mcp_config.get("type") in ["docker", "proxy"]:
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# Ensure the MCP is running
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try:
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print(f"Ensuring MCP server '{mcp_name}' is running...")
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self.mcp_manager.start_mcp(mcp_name)
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# Store container name for later network connection
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container_name = self.mcp_manager.get_mcp_container_name(
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mcp_name
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)
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mcp_container_names.append(container_name)
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# Get MCP status to extract endpoint information
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mcp_status = self.mcp_manager.get_mcp_status(mcp_name)
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# Add MCP environment variables with index
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idx = len(mcp_names) - 1 # 0-based index for the current MCP
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if mcp_config.get("type") == "remote":
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# For remote MCP, set the URL and headers
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env_vars[f"MCP_{idx}_URL"] = mcp_config.get("url")
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if mcp_config.get("headers"):
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# Serialize headers as JSON
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import json
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env_vars[f"MCP_{idx}_HEADERS"] = json.dumps(
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mcp_config.get("headers")
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)
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else:
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# For Docker/proxy MCP, set the connection details
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# Use both the container name and the short name for internal Docker DNS resolution
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container_name = self.mcp_manager.get_mcp_container_name(
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mcp_name
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)
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# Use the short name (mcp_name) as the primary hostname
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env_vars[f"MCP_{idx}_HOST"] = mcp_name
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# Default port is 8080 unless specified in status
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port = next(
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iter(mcp_status.get("ports", {}).values()), 8080
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)
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env_vars[f"MCP_{idx}_PORT"] = str(port)
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# Use the short name in the URL to take advantage of the network alias
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env_vars[f"MCP_{idx}_URL"] = f"http://{mcp_name}:{port}/sse"
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# For backward compatibility, also set the full container name URL
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env_vars[f"MCP_{idx}_CONTAINER_URL"] = (
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f"http://{container_name}:{port}/sse"
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)
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# Set type-specific information
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env_vars[f"MCP_{idx}_TYPE"] = mcp_config.get("type")
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env_vars[f"MCP_{idx}_NAME"] = mcp_name
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except Exception as e:
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print(f"Warning: Failed to start MCP server '{mcp_name}': {e}")
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# Remove from the container names list if failed
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if container_name in mcp_container_names:
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mcp_container_names.remove(container_name)
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elif mcp_config.get("type") == "remote":
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# For remote MCP, just set environment variables
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idx = len(mcp_names) - 1 # 0-based index for the current MCP
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env_vars[f"MCP_{idx}_URL"] = mcp_config.get("url")
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if mcp_config.get("headers"):
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# Serialize headers as JSON
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import json
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env_vars[f"MCP_{idx}_HEADERS"] = json.dumps(
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mcp_config.get("headers")
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)
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# Set type-specific information
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env_vars[f"MCP_{idx}_TYPE"] = "remote"
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env_vars[f"MCP_{idx}_NAME"] = mcp_name
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# Set environment variables for MCP count if we have any
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if mcp_names:
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env_vars["MCP_COUNT"] = str(len(mcp_names))
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env_vars["MCP_ENABLED"] = "true"
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# Serialize all MCP names as JSON
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import json
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env_vars["MCP_NAMES"] = json.dumps(mcp_names)
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# Add user-specified networks
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# Default MC network
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default_network = self.config_manager.config.docker.get(
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"network", "mc-network"
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)
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# Get network list, ensuring default is first and no duplicates
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network_list_set = {default_network}
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if networks:
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network_list_set.update(networks)
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network_list = (
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[default_network] + [n for n in networks if n != default_network]
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if networks
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else [default_network]
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)
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if networks:
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for network in networks:
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if network not in network_list:
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# This check is slightly redundant now but harmless
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network_list.append(network)
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print(f"Adding network {network} to session")
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# Determine container command and entrypoint
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container_command = None
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entrypoint = None # Keep this initially None to mean "use Dockerfile default unless overridden"
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target_shell = "/bin/bash" # Default final shell
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if run_command:
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# Set environment variable for mc-init.sh to pick up
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env_vars["MC_RUN_COMMAND"] = run_command
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# Set the container's command to be the final shell
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container_command = [target_shell]
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logger.info(
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f"Setting MC_RUN_COMMAND and targeting shell {target_shell}"
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)
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else:
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# Use default behavior (often defined by image's ENTRYPOINT/CMD)
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# Set the container's command to be the final shell if none specified by Dockerfile CMD
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# Note: Dockerfile CMD is ["tail", "-f", "/dev/null"], so this might need adjustment
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# if we want interactive shell by default without --run. Let's default to bash for now.
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container_command = [target_shell]
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logger.info(
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"Using default container entrypoint/command for interactive shell."
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)
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# Create container
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container = self.client.containers.create(
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image=driver.image,
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name=session_name,
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hostname=session_name,
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detach=True,
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tty=True,
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stdin_open=True,
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environment=env_vars,
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volumes=session_volumes,
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labels={
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"mc.session": "true",
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"mc.session.id": session_id,
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"mc.session.name": session_name,
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"mc.driver": driver_name,
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"mc.project": project or "",
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"mc.mcps": ",".join(mcp_names) if mcp_names else "",
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},
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network=network_list[0], # Connect to the first network initially
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command=container_command, # Set the command
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entrypoint=entrypoint, # Set the entrypoint (might be None)
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ports={f"{port}/tcp": None for port in driver.ports},
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)
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# Start container
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container.start()
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# Connect to additional networks (after the first one in network_list)
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if len(network_list) > 1:
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for network_name in network_list[1:]:
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try:
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# Get or create the network
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try:
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network = self.client.networks.get(network_name)
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except DockerException:
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print(f"Network '{network_name}' not found, creating it...")
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network = self.client.networks.create(
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network_name, driver="bridge"
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)
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# Connect the container to the network with session name as an alias
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network.connect(container, aliases=[session_name])
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print(
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f"Connected to network: {network_name} with alias: {session_name}"
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)
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except DockerException as e:
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print(f"Error connecting to network {network_name}: {e}")
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# Reload the container to get updated network information
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container.reload()
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|
|
# Connect directly to each MCP's dedicated network
|
|
for mcp_name in mcp_names:
|
|
try:
|
|
# Get the dedicated network for this MCP
|
|
dedicated_network_name = f"mc-mcp-{mcp_name}-network"
|
|
|
|
try:
|
|
network = self.client.networks.get(dedicated_network_name)
|
|
|
|
# Connect the session container to the MCP's dedicated network
|
|
network.connect(container, aliases=[session_name])
|
|
print(
|
|
f"Connected session to MCP '{mcp_name}' via dedicated network: {dedicated_network_name}"
|
|
)
|
|
except DockerException as e:
|
|
print(
|
|
f"Error connecting to MCP dedicated network '{dedicated_network_name}': {e}"
|
|
)
|
|
|
|
except Exception as e:
|
|
print(f"Error connecting session to MCP '{mcp_name}': {e}")
|
|
|
|
# Connect to additional user-specified networks
|
|
if networks:
|
|
for network_name in networks:
|
|
# Check if already connected to this network
|
|
# NetworkSettings.Networks contains a dict where keys are network names
|
|
existing_networks = (
|
|
container.attrs.get("NetworkSettings", {})
|
|
.get("Networks", {})
|
|
.keys()
|
|
)
|
|
if network_name not in existing_networks:
|
|
try:
|
|
# Get or create the network
|
|
try:
|
|
network = self.client.networks.get(network_name)
|
|
except DockerException:
|
|
print(
|
|
f"Network '{network_name}' not found, creating it..."
|
|
)
|
|
network = self.client.networks.create(
|
|
network_name, driver="bridge"
|
|
)
|
|
|
|
# Connect the container to the network with session name as an alias
|
|
network.connect(container, aliases=[session_name])
|
|
print(
|
|
f"Connected to network: {network_name} with alias: {session_name}"
|
|
)
|
|
except DockerException as e:
|
|
print(f"Error connecting to network {network_name}: {e}")
|
|
|
|
# Get updated port information
|
|
container.reload()
|
|
ports = {}
|
|
if container.attrs.get("NetworkSettings", {}).get("Ports"):
|
|
for container_port, host_ports in container.attrs["NetworkSettings"][
|
|
"Ports"
|
|
].items():
|
|
if host_ports:
|
|
container_port_num = int(container_port.split("/")[0])
|
|
host_port = int(host_ports[0]["HostPort"])
|
|
ports[container_port_num] = host_port
|
|
|
|
# Create session object
|
|
session = Session(
|
|
id=session_id,
|
|
name=session_name,
|
|
driver=driver_name,
|
|
status=SessionStatus.RUNNING,
|
|
container_id=container.id,
|
|
environment=env_vars,
|
|
project=project,
|
|
created_at=container.attrs["Created"],
|
|
ports=ports,
|
|
mcps=mcp_names,
|
|
run_command=run_command, # Store the command
|
|
uid=uid,
|
|
gid=gid,
|
|
)
|
|
|
|
# Save session to the session manager
|
|
# Assuming Session model has uid and gid fields added to its definition
|
|
session_data_to_save = session.model_dump(mode="json")
|
|
# uid and gid are already part of the model dump now
|
|
self.session_manager.add_session(session_id, session_data_to_save)
|
|
|
|
return session
|
|
|
|
except DockerException as e:
|
|
print(f"Error creating session: {e}")
|
|
return None
|
|
|
|
def close_session(self, session_id: str) -> bool:
|
|
"""Close a MC session"""
|
|
try:
|
|
sessions = self.list_sessions()
|
|
for session in sessions:
|
|
if session.id == session_id:
|
|
return self._close_single_session(session)
|
|
|
|
print(f"Session '{session_id}' not found")
|
|
return False
|
|
|
|
except DockerException as e:
|
|
print(f"Error closing session: {e}")
|
|
return False
|
|
|
|
def connect_session(self, session_id: str) -> bool:
|
|
"""Connect to a running MC session"""
|
|
# Retrieve full session data which should include uid/gid
|
|
session_data = self.session_manager.get_session(session_id)
|
|
|
|
if not session_data:
|
|
print(f"Session '{session_id}' not found in session manager.")
|
|
# Fallback: try listing via Docker labels if session data is missing
|
|
sessions = self.list_sessions()
|
|
session_obj = next((s for s in sessions if s.id == session_id), None)
|
|
if not session_obj or not session_obj.container_id:
|
|
print(f"Session '{session_id}' not found via Docker either.")
|
|
return False
|
|
container_id = session_obj.container_id
|
|
print(
|
|
f"[yellow]Warning: Session data missing for {session_id}. Attaching as default container user.[/yellow]"
|
|
)
|
|
else:
|
|
container_id = session_data.get("container_id")
|
|
if not container_id:
|
|
print(f"Container ID not found for session {session_id}.")
|
|
return False
|
|
|
|
# Check status from Docker directly
|
|
try:
|
|
container = self.client.containers.get(container_id)
|
|
if container.status != "running":
|
|
print(
|
|
f"Session '{session_id}' container is not running (status: {container.status})."
|
|
)
|
|
return False
|
|
except docker.errors.NotFound:
|
|
print(f"Container {container_id} for session {session_id} not found.")
|
|
# Clean up potentially stale session data
|
|
self.session_manager.remove_session(session_id)
|
|
return False
|
|
except DockerException as e:
|
|
print(f"Error checking container status for session {session_id}: {e}")
|
|
return False
|
|
|
|
try:
|
|
# Attach to the container's main process TTY
|
|
# This allows seeing the output of --run command followed by the shell
|
|
# The user context (UID/GID) is determined when the container is created,
|
|
# attach respects that context.
|
|
print(
|
|
f"Attaching to session {session_id} (container: {container_id[:12]})..."
|
|
)
|
|
print("Type 'exit' or Ctrl+P, Ctrl+Q (by default) to detach.")
|
|
cmd = ["docker", "attach", container_id]
|
|
|
|
# Use execvp to replace the current process with docker attach
|
|
# This provides a more seamless shell experience
|
|
os.execvp("docker", cmd)
|
|
# execvp does not return if successful
|
|
return True # Should not be reached if execvp succeeds
|
|
|
|
except FileNotFoundError:
|
|
print(
|
|
"[red]Error: 'docker' command not found. Is Docker installed and in your PATH?[/red]"
|
|
)
|
|
return False
|
|
|
|
except DockerException as e:
|
|
print(f"Error connecting to session: {e}")
|
|
return False
|
|
|
|
def _close_single_session(self, session: Session) -> bool:
|
|
"""Close a single session (helper for parallel processing)
|
|
|
|
Args:
|
|
session: The session to close
|
|
|
|
Returns:
|
|
bool: Whether the session was successfully closed
|
|
"""
|
|
if not session.container_id:
|
|
return False
|
|
|
|
try:
|
|
container = self.client.containers.get(session.container_id)
|
|
container.stop()
|
|
container.remove()
|
|
self.session_manager.remove_session(session.id)
|
|
return True
|
|
except DockerException as e:
|
|
print(f"Error closing session {session.id}: {e}")
|
|
return False
|
|
|
|
def close_all_sessions(self, progress_callback=None) -> Tuple[int, bool]:
|
|
"""Close all MC sessions with parallel processing and progress reporting
|
|
|
|
Args:
|
|
progress_callback: Optional callback function to report progress
|
|
The callback should accept (session_id, status, message)
|
|
|
|
Returns:
|
|
tuple: (number of sessions closed, success)
|
|
"""
|
|
try:
|
|
sessions = self.list_sessions()
|
|
if not sessions:
|
|
return 0, True
|
|
|
|
# No need for session status as we receive it via callback
|
|
|
|
# Define a wrapper to track progress
|
|
def close_with_progress(session):
|
|
if not session.container_id:
|
|
return False
|
|
|
|
try:
|
|
container = self.client.containers.get(session.container_id)
|
|
# Stop and remove container
|
|
container.stop()
|
|
container.remove()
|
|
# Remove from session storage
|
|
self.session_manager.remove_session(session.id)
|
|
|
|
# Notify about completion
|
|
if progress_callback:
|
|
progress_callback(
|
|
session.id,
|
|
"completed",
|
|
f"{session.name} closed successfully",
|
|
)
|
|
|
|
return True
|
|
except DockerException as e:
|
|
error_msg = f"Error: {str(e)}"
|
|
if progress_callback:
|
|
progress_callback(session.id, "failed", error_msg)
|
|
print(f"Error closing session {session.id}: {e}")
|
|
return False
|
|
|
|
# Use ThreadPoolExecutor to close sessions in parallel
|
|
with concurrent.futures.ThreadPoolExecutor(
|
|
max_workers=min(10, len(sessions))
|
|
) as executor:
|
|
# Submit all session closing tasks
|
|
future_to_session = {
|
|
executor.submit(close_with_progress, session): session
|
|
for session in sessions
|
|
}
|
|
|
|
# Collect results
|
|
closed_count = 0
|
|
for future in concurrent.futures.as_completed(future_to_session):
|
|
session = future_to_session[future]
|
|
try:
|
|
success = future.result()
|
|
if success:
|
|
closed_count += 1
|
|
except Exception as e:
|
|
print(f"Error closing session {session.id}: {e}")
|
|
|
|
return closed_count, closed_count > 0
|
|
|
|
except DockerException as e:
|
|
print(f"Error closing all sessions: {e}")
|
|
return 0, False
|
|
|
|
def get_session_logs(self, session_id: str, follow: bool = False) -> Optional[str]:
|
|
"""Get logs from a MC session"""
|
|
try:
|
|
sessions = self.list_sessions()
|
|
for session in sessions:
|
|
if session.id == session_id and session.container_id:
|
|
container = self.client.containers.get(session.container_id)
|
|
if follow:
|
|
for line in container.logs(stream=True, follow=True):
|
|
print(line.decode().strip())
|
|
return None
|
|
else:
|
|
return container.logs().decode()
|
|
|
|
print(f"Session '{session_id}' not found")
|
|
return None
|
|
|
|
except DockerException as e:
|
|
print(f"Error getting session logs: {e}")
|
|
return None
|
|
|
|
def get_init_logs(self, session_id: str, follow: bool = False) -> Optional[str]:
|
|
"""Get initialization logs from a MC session
|
|
|
|
Args:
|
|
session_id: The session ID
|
|
follow: Whether to follow the logs
|
|
|
|
Returns:
|
|
The logs as a string, or None if there was an error
|
|
"""
|
|
try:
|
|
sessions = self.list_sessions()
|
|
for session in sessions:
|
|
if session.id == session_id and session.container_id:
|
|
container = self.client.containers.get(session.container_id)
|
|
|
|
# Check if initialization is complete
|
|
init_complete = False
|
|
try:
|
|
exit_code, output = container.exec_run(
|
|
"grep -q 'INIT_COMPLETE=true' /init.status"
|
|
)
|
|
init_complete = exit_code == 0
|
|
except DockerException:
|
|
pass
|
|
|
|
if follow and not init_complete:
|
|
print(
|
|
f"Following initialization logs for session {session_id}..."
|
|
)
|
|
print("Press Ctrl+C to stop following")
|
|
container.exec_run(
|
|
"tail -f /init.log", stream=True, demux=True, tty=True
|
|
)
|
|
return None
|
|
else:
|
|
exit_code, output = container.exec_run("cat /init.log")
|
|
if exit_code == 0:
|
|
return output.decode()
|
|
else:
|
|
print("No initialization logs found")
|
|
return None
|
|
|
|
print(f"Session '{session_id}' not found")
|
|
return None
|
|
|
|
except DockerException as e:
|
|
print(f"Error getting initialization logs: {e}")
|
|
return None
|