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| from typing import Literal, Optional | |
| import requests | |
| from pydantic import BaseModel | |
| import docker | |
| from inference.core.devices.utils import GLOBAL_DEVICE_ID | |
| from inference.core.env import API_BASE_URL, API_KEY | |
| from inference.core.logger import logger | |
| from inference.core.utils.url_utils import wrap_url | |
| from inference.enterprise.device_manager.container_service import get_container_by_id | |
| class Command(BaseModel): | |
| id: str | |
| containerId: str | |
| command: Literal["restart", "stop", "ping", "snapshot", "update_version"] | |
| deviceId: str | |
| requested_on: Optional[int] = None | |
| def fetch_commands(): | |
| url = wrap_url( | |
| f"{API_BASE_URL}/devices/{GLOBAL_DEVICE_ID}/commands?api_key={API_KEY}" | |
| ) | |
| resp = requests.get(url).json() | |
| for cmd in resp.get("data", []): | |
| handle_command(cmd) | |
| def handle_command(cmd_payload: dict): | |
| was_processed = False | |
| container_id = cmd_payload.get("containerId") | |
| container = get_container_by_id(container_id) | |
| if not container: | |
| logger.warn(f"Container with id {container_id} not found") | |
| ack_command(cmd_payload.get("id"), was_processed) | |
| return | |
| cmd = cmd_payload.get("command") | |
| data = None | |
| match cmd: | |
| case "restart": | |
| was_processed, data = container.restart() | |
| case "stop": | |
| was_processed, data = container.stop() | |
| case "ping": | |
| was_processed, data = container.ping() | |
| case "snapshot": | |
| was_processed, data = container.snapshot() | |
| case "start": | |
| was_processed, data = container.start() | |
| case "update_version": | |
| was_processed, data = handle_version_update(container) | |
| case _: | |
| logger.error("Unknown command: {}".format(cmd)) | |
| return ack_command(cmd_payload.get("id"), was_processed, data=data) | |
| def ack_command(command_id, was_processed, data=None): | |
| post_body = dict() | |
| post_body["api_key"] = API_KEY | |
| post_body["commandId"] = command_id | |
| post_body["wasProcessed"] = was_processed | |
| if data: | |
| post_body["data"] = data | |
| url = wrap_url(f"{API_BASE_URL}/devices/{GLOBAL_DEVICE_ID}/commands/ack") | |
| requests.post(url, json=post_body) | |
| def handle_version_update(container): | |
| try: | |
| config = container.get_startup_config() | |
| image_name = config["image"].split(":")[0] | |
| container.kill() | |
| client = docker.from_env() | |
| new_container = client.containers.run( | |
| image=f"{image_name}:latest", | |
| detach=config["detach"], | |
| privileged=config["privileged"], | |
| labels=config["labels"], | |
| ports=config["port_bindings"], | |
| environment=config["env"], | |
| network="host", | |
| ) | |
| logger.info(f"New container started {new_container}") | |
| return True, None | |
| except Exception as e: | |
| logger.error(e) | |
| return False, None | |