Merge branch 'refs/heads/dev' into ui

# Conflicts:
#	app/main.py
#	app/orm.py

app/main.py

@@ -1,33 +1,37 @@
 import logging
 from base64 import b64encode as b64enc
+from calendar import timegm
+from contextlib import asynccontextmanager
+from datetime import datetime, timedelta
 from hashlib import sha256
-from uuid import uuid4
-from os.path import join, dirname
+from json import loads as json_loads
 from os import getenv as env
+from os.path import join, dirname
+from uuid import uuid4
 
+from dateutil.relativedelta import relativedelta
 from dotenv import load_dotenv
 from fastapi import FastAPI
 from fastapi.requests import Request
-from json import loads as json_loads
-from datetime import datetime, timedelta
-from dateutil.relativedelta import relativedelta
-from calendar import timegm
 from jose import jws, jwk, jwt, JWTError
 from jose.constants import ALGORITHMS
-from starlette.middleware.cors import CORSMiddleware
-from starlette.responses import StreamingResponse, JSONResponse as JSONr, HTMLResponse as HTMLr, Response, RedirectResponse
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 from starlette.staticfiles import StaticFiles
 from starlette.templating import Jinja2Templates
+from starlette.middleware.cors import CORSMiddleware
+from starlette.responses import StreamingResponse, JSONResponse as JSONr, HTMLResponse as HTMLr, Response, RedirectResponse
 
-from util import load_key, load_file
 from orm import Origin, Lease, init as db_init, migrate
+from util import load_key, load_file
 
+# Load variables
 load_dotenv('../version.env')
 
+# Get current timezone
 TZ = datetime.now().astimezone().tzinfo
 
+# Load basic variables
 VERSION, COMMIT, DEBUG = env('VERSION', 'unknown'), env('COMMIT', 'unknown'), bool(env('DEBUG', False))
 
 config = dict(openapi_url=None, docs_url=None, redoc_url=None)  # dict(openapi_url='/-/openapi.json', docs_url='/-/docs', redoc_url='/-/redoc')
@@ -35,10 +39,11 @@ app = FastAPI(title='FastAPI-DLS', description='Minimal Delegated License Servic
 app.mount('/static', StaticFiles(directory=join(dirname(__file__), 'static'), html=True), name='static'),
 templates = Jinja2Templates(directory=join(dirname(__file__), 'templates'))
 
+# Database connection
 db = create_engine(str(env('DATABASE', 'sqlite:///db.sqlite')))
 db_init(db), migrate(db)
 
-# everything prefixed with "INSTANCE_*" is used as "SERVICE_INSTANCE_*" or "SI_*" in official dls service
+# Load DLS variables (all prefixed with "INSTANCE_*" is used as "SERVICE_INSTANCE_*" or "SI_*" in official dls service)
 DLS_URL = str(env('DLS_URL', 'localhost'))
 DLS_PORT = int(env('DLS_PORT', '443'))
 SITE_KEY_XID = str(env('SITE_KEY_XID', '00000000-0000-0000-0000-000000000000'))
@@ -56,6 +61,32 @@ CORS_ORIGINS = str(env('CORS_ORIGINS', '')).split(',') if (env('CORS_ORIGINS'))
 jwt_encode_key = jwk.construct(INSTANCE_KEY_RSA.export_key().decode('utf-8'), algorithm=ALGORITHMS.RS256)
 jwt_decode_key = jwk.construct(INSTANCE_KEY_PUB.export_key().decode('utf-8'), algorithm=ALGORITHMS.RS256)
 
+
+# FastAPI
+@asynccontextmanager
+async def lifespan(_: FastAPI):
+    # on startup
+    logger.info(f'''
+    
+    Using timezone: {str(TZ)}. Make sure this is correct and match your clients!
+    
+    Your clients renew their license every {str(Lease.calculate_renewal(LEASE_RENEWAL_PERIOD, LEASE_RENEWAL_DELTA))}.
+    If the renewal fails, the license is {str(LEASE_RENEWAL_DELTA)} valid.
+    
+    Your client-token file (.tok) is valid for {str(CLIENT_TOKEN_EXPIRE_DELTA)}.
+    ''')
+
+    logger.info(f'Debug is {"enabled" if DEBUG else "disabled"}.')
+
+    yield
+
+    # on shutdown
+    logger.info(f'Shutting down ...')
+
+
+config = dict(openapi_url=None, docs_url=None, redoc_url=None)  # dict(openapi_url='/-/openapi.json', docs_url='/-/docs', redoc_url='/-/redoc')
+app = FastAPI(title='FastAPI-DLS', description='Minimal Delegated License Service (DLS).', version=VERSION, lifespan=lifespan, **config)
+
 app.debug = DEBUG
 app.add_middleware(
     CORSMiddleware,
@@ -65,17 +96,21 @@ app.add_middleware(
     allow_headers=['*'],
 )
 
-logging.basicConfig()
+# Logging
+LOG_LEVEL = logging.DEBUG if DEBUG else logging.INFO
+logging.basicConfig(format='[{levelname:^7}] [{module:^15}] {message}', style='{')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.DEBUG if DEBUG else logging.INFO)
+logger.setLevel(LOG_LEVEL)
+logging.getLogger('util').setLevel(LOG_LEVEL)
+logging.getLogger('NV').setLevel(LOG_LEVEL)
 
 
+# Helper
 def __get_token(request: Request) -> dict:
     authorization_header = request.headers.get('authorization')
     token = authorization_header.split(' ')[1]
     return jwt.decode(token=token, key=jwt_decode_key, algorithms=ALGORITHMS.RS256, options={'verify_aud': False})
 
-
 def __json_config() -> dict:
     return {
         'VERSION': str(VERSION),
@@ -97,6 +132,7 @@ def __json_config() -> dict:
         'CLIENT_TOKEN_EXPIRE_DELTA': str(CLIENT_TOKEN_EXPIRE_DELTA),
     }
 
+# Endpoints
 
 @app.get('/', summary='* Index')
 async def index():
@@ -121,7 +157,7 @@ async def _config():
 @app.get('/-/readme', summary='* Readme')
 async def _readme(request: Request):
     from markdown import markdown
-    content = load_file('../README.md').decode('utf-8')
+    content = load_file(join(dirname(__file__), '../README.md')).decode('utf-8')
     markdown = markdown(text=content, extensions=['tables', 'fenced_code', 'md_in_html', 'nl2br', 'toc'])
     context = {'request': request, 'VERSION': VERSION, 'markdown': markdown }
     return templates.TemplateResponse(name='views/dashboard_readme.html', context=context)
@@ -554,18 +590,6 @@ async def leasing_v1_lessor_shutdown(request: Request):
     return JSONr(response)
 
 
-@app.on_event('startup')
-async def app_on_startup():
-    logger.info(f'''
-    Using timezone: {str(TZ)}. Make sure this is correct and match your clients!
-    
-    Your clients renew their license every {str(Lease.calculate_renewal(LEASE_RENEWAL_PERIOD, LEASE_RENEWAL_DELTA))}.
-    If the renewal fails, the license is {str(LEASE_RENEWAL_DELTA)} valid.
-    
-    Your client-token file (.tok) is valid for {str(CLIENT_TOKEN_EXPIRE_DELTA)}.
-    ''')
-
-
 if __name__ == '__main__':
     import uvicorn
 

app/orm.py

@@ -1,10 +1,12 @@
 from datetime import datetime, timedelta, timezone
-from dateutil.relativedelta import relativedelta
 
+from dateutil.relativedelta import relativedelta
 from sqlalchemy import Column, VARCHAR, CHAR, ForeignKey, DATETIME, update, and_, inspect, text
 from sqlalchemy.engine import Engine
 from sqlalchemy.orm import sessionmaker, declarative_base
 
+from util import NV
+
 Base = declarative_base()
 
 
@@ -23,6 +25,8 @@ class Origin(Base):
         return f'Origin(origin_ref={self.origin_ref}, hostname={self.hostname})'
 
     def serialize(self) -> dict:
+        _ = NV().find(self.guest_driver_version)
+
         return {
             'origin_ref': self.origin_ref,
             # 'service_instance_xid': self.service_instance_xid,
@@ -30,6 +34,7 @@ class Origin(Base):
             'guest_driver_version': self.guest_driver_version,
             'os_platform': self.os_platform,
             'os_version': self.os_version,
+            '$driver': _ if _ is not None else None,
         }
 
     @staticmethod

app/util.py

@@ -1,10 +1,17 @@
-def load_file(filename) -> bytes:
+import logging
+
+logging.basicConfig()
+
+
+def load_file(filename: str) -> bytes:
+    log = logging.getLogger(f'{__name__}')
+    log.debug(f'Loading contents of file "{filename}')
     with open(filename, 'rb') as file:
         content = file.read()
     return content
 
 
-def load_key(filename) -> "RsaKey":
+def load_key(filename: str) -> "RsaKey":
     try:
         # Crypto | Cryptodome on Debian
         from Crypto.PublicKey import RSA
@@ -13,6 +20,8 @@ def load_key(filename) -> "RsaKey":
         from Cryptodome.PublicKey import RSA
         from Cryptodome.PublicKey.RSA import RsaKey
 
+    log = logging.getLogger(__name__)
+    log.debug(f'Importing RSA-Key from "{filename}"')
     return RSA.import_key(extern_key=load_file(filename), passphrase=None)
 
 
@@ -24,5 +33,50 @@ def generate_key() -> "RsaKey":
     except ModuleNotFoundError:
         from Cryptodome.PublicKey import RSA
         from Cryptodome.PublicKey.RSA import RsaKey
-
+    log = logging.getLogger(__name__)
+    log.debug(f'Generating RSA-Key')
     return RSA.generate(bits=2048)
+
+
+class NV:
+    __DRIVER_MATRIX_FILENAME = 'static/driver_matrix.json'
+    __DRIVER_MATRIX: None | dict = None  # https://docs.nvidia.com/grid/ => "Driver Versions"
+
+    def __init__(self):
+        self.log = logging.getLogger(self.__class__.__name__)
+
+        if NV.__DRIVER_MATRIX is None:
+            from json import load as json_load
+            try:
+                file = open(NV.__DRIVER_MATRIX_FILENAME)
+                NV.__DRIVER_MATRIX = json_load(file)
+                file.close()
+                self.log.debug(f'Successfully loaded "{NV.__DRIVER_MATRIX_FILENAME}".')
+            except Exception as e:
+                NV.__DRIVER_MATRIX = {}  # init empty dict to not try open file everytime, just when restarting app
+                # self.log.warning(f'Failed to load "{NV.__DRIVER_MATRIX_FILENAME}": {e}')
+
+    @staticmethod
+    def find(version: str) -> dict | None:
+        if NV.__DRIVER_MATRIX is None:
+            return None
+        for idx, (key, branch) in enumerate(NV.__DRIVER_MATRIX.items()):
+            for release in branch.get('$releases'):
+                linux_driver = release.get('Linux Driver')
+                windows_driver = release.get('Windows Driver')
+                if version == linux_driver or version == windows_driver:
+                    tmp = branch.copy()
+                    tmp.pop('$releases')
+
+                    is_latest = release.get('vGPU Software') == branch.get('Latest Release in Branch')
+
+                    return {
+                        'software_branch': branch.get('vGPU Software Branch'),
+                        'branch_version': release.get('vGPU Software'),
+                        'driver_branch': branch.get('Driver Branch'),
+                        'branch_status': branch.get('vGPU Branch Status'),
+                        'release_date': release.get('Release Date'),
+                        'eol': branch.get('EOL Date') if is_latest else None,
+                        'is_latest': is_latest,
+                    }
+        return None