91d922d0b8
added env variable SPOOLMAN_METRICS_ENABLED for enabled database collector set metrics path as /metrics checked Null values at vendors, init weight and price removed some logs
139 lines
4.5 KiB
Python
139 lines
4.5 KiB
Python
"""Main entrypoint to the server."""
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import logging
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import subprocess
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from logging.handlers import TimedRotatingFileHandler
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from pathlib import Path
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import uvicorn
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.middleware.gzip import GZipMiddleware
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from fastapi.responses import PlainTextResponse
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from prometheus_client import generate_latest
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from scheduler.asyncio.scheduler import Scheduler
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from spoolman import env
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from spoolman.api.v1.router import app as v1_app
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from spoolman.client import SinglePageApplication
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from spoolman.database import database
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from spoolman.prometheus.metrics import registry
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# Define a console logger
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console_handler = logging.StreamHandler()
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console_handler.setFormatter(logging.Formatter("%(name)-26s %(levelname)-8s %(message)s"))
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# Setup the spoolman logger, which all spoolman modules will use
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root_logger = logging.getLogger()
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root_logger.setLevel(env.get_logging_level())
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root_logger.addHandler(console_handler)
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# Get logger instance for this module
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logger = logging.getLogger(__name__)
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# Setup FastAPI
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app = FastAPI(
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debug=env.is_debug_mode(),
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title="Spoolman",
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version=env.get_version(),
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)
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app.add_middleware(GZipMiddleware)
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app.mount("/api/v1", v1_app)
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# WA for prometheus /metrics bind with SinglePageApp at root
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@app.get(
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"/metrics",
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response_class=PlainTextResponse,
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name="Get metrics for prometheus",
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description=(
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"Get app metrics for prometheusIf enabled SPOOLMAN_METRICS_ENABLED returned metrics by Spools and Filaments"
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),
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)
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def get_metrics() -> bytes:
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"""Return prometheus metrics."""
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return generate_latest(registry)
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app.mount("", app=SinglePageApplication(directory="client/dist"))
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# Allow all origins if in debug mode
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if env.is_debug_mode():
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logger.warning("Running in debug mode, allowing all origins.")
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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expose_headers=["X-Total-Count"],
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)
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def add_file_logging() -> None:
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"""Add file logging to the root logger."""
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# Define a file logger with log rotation
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log_file = env.get_logs_dir().joinpath("spoolman.log")
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file_handler = TimedRotatingFileHandler(log_file, when="midnight", backupCount=5)
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file_handler.setFormatter(logging.Formatter("%(asctime)s:%(levelname)s:%(message)s", "%Y-%m-%d %H:%M:%S"))
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root_logger.addHandler(file_handler)
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@app.on_event("startup")
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async def startup() -> None:
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"""Run the service's startup sequence."""
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# Check that the data directory is writable
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env.check_write_permissions()
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# Don't add file logging until we have verified that the data directory is writable
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add_file_logging()
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logger.info(
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"Starting Spoolman v%s (commit: %s) (built: %s)",
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app.version,
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env.get_commit_hash(),
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env.get_build_date(),
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)
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logger.info("Using data directory: %s", env.get_data_dir().resolve())
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logger.info("Using logs directory: %s", env.get_logs_dir().resolve())
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logger.info("Using backups directory: %s", env.get_backups_dir().resolve())
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logger.info("Setting up database...")
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database.setup_db(database.get_connection_url())
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logger.info("Performing migrations...")
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# Run alembic in a subprocess.
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# There is some issue with the uvicorn worker that causes the process to hang when running alembic directly.
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# See: https://github.com/sqlalchemy/alembic/discussions/1155
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project_root = Path(__file__).parent.parent
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subprocess.run(["alembic", "upgrade", "head"], check=True, cwd=project_root) # noqa: S603, S607, ASYNC101
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# Setup scheduler
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schedule = Scheduler()
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database.schedule_tasks(schedule)
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logger.info("Startup complete.")
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if env.is_docker() and not env.is_data_dir_mounted():
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logger.warning("!!!! WARNING !!!!")
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logger.warning("!!!! WARNING !!!!")
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logger.warning("The data directory is not mounted.")
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logger.warning(
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'Spoolman stores its database in the container directory "%s". '
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"If this directory isn't mounted to the host OS, the database will be lost when the container is stopped.",
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env.get_data_dir(),
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)
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logger.warning(
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"Please carefully read the docker part of the README.md file, "
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"and ensure your docker-compose file matches the example.",
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)
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logger.warning("!!!! WARNING !!!!")
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logger.warning("!!!! WARNING !!!!")
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if __name__ == "__main__":
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uvicorn.run(app, host="0.0.0.0", port=8000)
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