🎨 notify frontend about current efs disk space

services/efs-guardian/src/simcore_service_efs_guardian/core/application.py

@@ -15,6 +15,7 @@
 from ..api.rpc.routes import setup_rpc_routes
 from ..services.background_tasks_setup import setup as setup_background_tasks
 from ..services.efs_manager_setup import setup as setup_efs_manager
+from ..services.fire_and_forget_setup import setup as setup_fire_and_forget
 from ..services.modules.db import setup as setup_db
 from ..services.modules.rabbitmq import setup as setup_rabbitmq
 from ..services.modules.redis import setup as setup_redis
@@ -56,6 +57,8 @@ def create_app(settings: ApplicationSettings | None = None) -> FastAPI:
     setup_background_tasks(app)  # requires Redis, DB
     setup_process_messages(app)  # requires Rabbit
 
+    setup_fire_and_forget(app)
+
     # EVENTS
     async def _on_startup() -> None:
         print(APP_STARTED_BANNER_MSG, flush=True)  # noqa: T201

services/efs-guardian/src/simcore_service_efs_guardian/services/efs_manager.py

@@ -83,6 +83,31 @@ async def get_project_node_data_size(
 
         return await efs_manager_utils.get_size_bash_async(_dir_path)
 
+    async def list_project_node_state_names(
+        self, project_id: ProjectID, node_id: NodeID
+    ) -> list[str]:
+        """
+        These are currently state volumes that are mounted via docker volume to dynamic sidecar and user services
+        (ex. ".data_assets" and "home_user_workspace")
+        """
+        _dir_path = (
+            self._efs_mounted_path
+            / self._project_specific_data_base_directory
+            / f"{project_id}"
+            / f"{node_id}"
+        )
+
+        project_node_states = []
+        for child in _dir_path.iterdir():
+            if child.is_dir():
+                project_node_states.append(child.name)
+            else:
+                _logger.error(
+                    "This is not a directory. This should not happen! %s",
+                    _dir_path / child.name,
+                )
+        return project_node_states
+
     async def remove_project_node_data_write_permissions(
         self, project_id: ProjectID, node_id: NodeID
     ) -> None:

services/efs-guardian/src/simcore_service_efs_guardian/services/fire_and_forget_setup.py

@@ -0,0 +1,37 @@
+import logging
+from collections.abc import Awaitable, Callable
+
+from fastapi import FastAPI
+from servicelib.logging_utils import log_catch, log_context
+
+_logger = logging.getLogger(__name__)
+
+
+def _on_app_startup(_app: FastAPI) -> Callable[[], Awaitable[None]]:
+    async def _startup() -> None:
+        with log_context(
+            _logger, logging.INFO, msg="Efs Guardian setup fire and forget tasks.."
+        ), log_catch(_logger, reraise=False):
+            _app.state.efs_guardian_fire_and_forget_tasks = set()
+
+    return _startup
+
+
+def _on_app_shutdown(
+    _app: FastAPI,
+) -> Callable[[], Awaitable[None]]:
+    async def _stop() -> None:
+        with log_context(
+            _logger, logging.INFO, msg="Efs Guardian fire and forget tasks shutdown.."
+        ), log_catch(_logger, reraise=False):
+            assert _app  # nosec
+            if _app.state.efs_guardian_fire_and_forget_tasks:
+                for task in _app.state.efs_guardian_fire_and_forget_tasks:
+                    task.cancel()
+
+    return _stop
+
+
+def setup(app: FastAPI) -> None:
+    app.add_event_handler("startup", _on_app_startup(app))
+    app.add_event_handler("shutdown", _on_app_shutdown(app))

services/efs-guardian/src/simcore_service_efs_guardian/services/modules/rabbitmq.py

@@ -29,12 +29,17 @@ async def on_startup() -> None:
         app.state.rabbitmq_rpc_server = await RabbitMQRPCClient.create(
             client_name="efs_guardian_rpc_server", settings=settings
         )
+        app.state.rabbitmq_rpc_client = await RabbitMQRPCClient.create(
+            client_name="efs_guardian_rpc_client", settings=settings
+        )
 
     async def on_shutdown() -> None:
         if app.state.rabbitmq_client:
             await app.state.rabbitmq_client.close()
         if app.state.rabbitmq_rpc_server:
             await app.state.rabbitmq_rpc_server.close()
+        if app.state.rabbitmq_rpc_client:
+            await app.state.rabbitmq_rpc_client.close()
 
     app.add_event_handler("startup", on_startup)
     app.add_event_handler("shutdown", on_shutdown)
@@ -53,4 +58,9 @@ def get_rabbitmq_rpc_server(app: FastAPI) -> RabbitMQRPCClient:
     return cast(RabbitMQRPCClient, app.state.rabbitmq_rpc_server)
 
 
+def get_rabbitmq_rpc_client(app: FastAPI) -> RabbitMQRPCClient:
+    assert app.state.rabbitmq_rpc_client  # nosec
+    return cast(RabbitMQRPCClient, app.state.rabbitmq_rpc_client)
+
+
 __all__ = ("RabbitMQClient",)

services/efs-guardian/src/simcore_service_efs_guardian/services/process_messages.py

@@ -1,13 +1,20 @@
 import logging
 
 from fastapi import FastAPI
+from models_library.api_schemas_dynamic_sidecar.telemetry import DiskUsage
 from models_library.rabbitmq_messages import DynamicServiceRunningMessage
 from pydantic import parse_raw_as
 from servicelib.logging_utils import log_context
-from simcore_service_efs_guardian.services.modules.redis import get_redis_lock_client
+from servicelib.rabbitmq import RabbitMQRPCClient
+from servicelib.rabbitmq.rpc_interfaces.dynamic_sidecar.disk_usage import (
+    update_disk_usage,
+)
+from servicelib.utils import fire_and_forget_task
 
 from ..core.settings import get_application_settings
 from ..services.efs_manager import EfsManager
+from ..services.modules.rabbitmq import get_rabbitmq_rpc_client
+from ..services.modules.redis import get_redis_lock_client
 
 _logger = logging.getLogger(__name__)
 
@@ -50,6 +57,23 @@ async def process_dynamic_service_running_message(app: FastAPI, data: bytes) ->
         rabbit_message.user_id,
     )
 
+    project_node_state_names = await efs_manager.list_project_node_state_names(
+        rabbit_message.project_id, node_id=rabbit_message.node_id
+    )
+    rpc_client: RabbitMQRPCClient = get_rabbitmq_rpc_client(app)
+    _used = min(size, settings.EFS_DEFAULT_USER_SERVICE_SIZE_BYTES)
+    usage: dict[str, DiskUsage] = {}
+    for name in project_node_state_names:
+        usage[name] = DiskUsage.from_efs_guardian(
+            used=_used, total=settings.EFS_DEFAULT_USER_SERVICE_SIZE_BYTES
+        )
+
+    fire_and_forget_task(
+        update_disk_usage(rpc_client, node_id=rabbit_message.node_id, usage=usage),
+        task_suffix_name=f"update_disk_usage_efs_user_id{rabbit_message.user_id}_node_id{rabbit_message.node_id}",
+        fire_and_forget_tasks_collection=app.state.efs_guardian_fire_and_forget_tasks,
+    )
+
     if size > settings.EFS_DEFAULT_USER_SERVICE_SIZE_BYTES:
         msg = f"Removing write permissions inside of EFS starts for project ID: {rabbit_message.project_id}, node ID: {rabbit_message.node_id}, current user: {rabbit_message.user_id}, size: {size}, upper limit: {settings.EFS_DEFAULT_USER_SERVICE_SIZE_BYTES}"
         with log_context(_logger, logging.WARNING, msg=msg):

services/efs-guardian/tests/conftest.py

@@ -21,6 +21,7 @@
     "pytest_simcore.environment_configs",
     "pytest_simcore.faker_projects_data",
     "pytest_simcore.faker_users_data",
+    "pytest_simcore.faker_products_data",
     "pytest_simcore.faker_projects_data",
     "pytest_simcore.pydantic_models",
     "pytest_simcore.pytest_global_environs",

services/efs-guardian/tests/unit/test_efs_manager.py

@@ -91,6 +91,11 @@ async def test_remove_write_access_rights(
         is False
     )
 
+    with pytest.raises(FileNotFoundError):
+        await efs_manager.list_project_node_state_names(
+            project_id=project_id, node_id=node_id
+        )
+
     with patch(
         "simcore_service_efs_guardian.services.efs_manager.os.chown"
     ) as mocked_chown:
@@ -108,6 +113,11 @@ async def test_remove_write_access_rights(
         is True
     )
 
+    project_node_state_names = await efs_manager.list_project_node_state_names(
+        project_id=project_id, node_id=node_id
+    )
+    assert project_node_state_names == [_storage_directory_name]
+
     size_before = await efs_manager.get_project_node_data_size(
         project_id=project_id, node_id=node_id
     )

services/efs-guardian/tests/unit/test_process_messages.py

@@ -0,0 +1,111 @@
+# pylint: disable=protected-access
+# pylint: disable=redefined-outer-name
+# pylint: disable=too-many-arguments
+# pylint: disable=unused-argument
+# pylint: disable=unused-variable
+
+
+from unittest.mock import AsyncMock, patch
+
+import pytest
+from faker import Faker
+from fastapi import FastAPI
+from models_library.products import ProductName
+from models_library.rabbitmq_messages import DynamicServiceRunningMessage
+from models_library.users import UserID
+from pytest_simcore.helpers.monkeypatch_envs import setenvs_from_dict
+from pytest_simcore.helpers.typing_env import EnvVarsDict
+from simcore_service_efs_guardian.services.efs_manager import NodeID, ProjectID
+from simcore_service_efs_guardian.services.process_messages import (
+    process_dynamic_service_running_message,
+)
+
+pytest_simcore_core_services_selection = ["rabbit"]
+pytest_simcore_ops_services_selection = []
+
+
+@pytest.fixture
+def app_environment(
+    monkeypatch: pytest.MonkeyPatch,
+    app_environment: EnvVarsDict,
+    rabbit_env_vars_dict: EnvVarsDict,
+    with_disabled_redis_and_background_tasks: None,
+    with_disabled_postgres: None,
+) -> EnvVarsDict:
+    return setenvs_from_dict(
+        monkeypatch,
+        {
+            **app_environment,
+            **rabbit_env_vars_dict,
+            "EFS_DEFAULT_USER_SERVICE_SIZE_BYTES": "10000",
+        },
+    )
+
+
+@patch("simcore_service_efs_guardian.services.process_messages.update_disk_usage")
+async def test_process_msg(
+    mock_update_disk_usage,
+    faker: Faker,
+    app: FastAPI,
+    efs_cleanup: None,
+    project_id: ProjectID,
+    node_id: NodeID,
+    user_id: UserID,
+    product_name: ProductName,
+):
+    # Create mock data for the message
+    model_instance = DynamicServiceRunningMessage(
+        project_id=project_id,
+        node_id=node_id,
+        user_id=user_id,
+        product_name=product_name,
+    )
+    json_str = model_instance.json()
+    model_bytes = json_str.encode("utf-8")
+
+    _expected_project_node_states = [".data_assets", "home_user_workspace"]
+    # Mock efs_manager and its methods
+    mock_efs_manager = AsyncMock()
+    app.state.efs_manager = mock_efs_manager
+    mock_efs_manager.check_project_node_data_directory_exits.return_value = True
+    mock_efs_manager.get_project_node_data_size.return_value = 4000
+    mock_efs_manager.list_project_node_state_names.return_value = (
+        _expected_project_node_states
+    )
+
+    result = await process_dynamic_service_running_message(app, data=model_bytes)
+
+    # Check the actual arguments passed to notify_service_efs_disk_usage
+    _, kwargs = mock_update_disk_usage.call_args
+    assert kwargs["usage"]
+    assert len(kwargs["usage"]) == 2
+    for key, value in kwargs["usage"].items():
+        assert key in _expected_project_node_states
+        assert value.used == 4000
+        assert value.free == 6000
+        assert value.total == 10000
+        assert value.used_percent == 40.0
+
+    assert result is True
+
+
+async def test_process_msg__dir_not_exists(
+    app: FastAPI,
+    efs_cleanup: None,
+    project_id: ProjectID,
+    node_id: NodeID,
+    user_id: UserID,
+    product_name: ProductName,
+):
+    # Create mock data for the message
+    model_instance = DynamicServiceRunningMessage(
+        project_id=project_id,
+        node_id=node_id,
+        user_id=user_id,
+        product_name=product_name,
+    )
+    json_str = model_instance.json()
+    model_bytes = json_str.encode("utf-8")
+
+    result = await process_dynamic_service_running_message(app, data=model_bytes)
+    assert result is True