fixes

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

.DEBIAN/control

@@ -2,7 +2,7 @@ Package: fastapi-dls
 Version: 0.0
 Architecture: all
 Maintainer: Oscar Krause oscar.krause@collinwebdesigns.de
-Depends: python3, python3-fastapi, python3-uvicorn, python3-dotenv, python3-dateutil, python3-jose, python3-sqlalchemy, python3-pycryptodome, python3-markdown, uvicorn, openssl
+Depends: python3, python3-fastapi, python3-uvicorn, python3-dotenv, python3-dateutil, python3-jose, python3-sqlalchemy, python3-pycryptodome, python3-markdown, python3-jinja2, uvicorn, openssl
 Recommends: curl
 Installed-Size: 10240
 Homepage: https://git.collinwebdesigns.de/oscar.krause/fastapi-dls

.PKGBUILD/PKGBUILD

@@ -8,7 +8,7 @@ pkgdesc='NVIDIA DLS server implementation with FastAPI'
 arch=('any')
 url='https://git.collinwebdesigns.de/oscar.krause/fastapi-dls'
 license=('MIT')
-depends=('python' 'python-jose' 'python-starlette' 'python-httpx' 'python-fastapi' 'python-dotenv' 'python-dateutil' 'python-sqlalchemy' 'python-pycryptodome' 'uvicorn' 'python-markdown' 'openssl')
+depends=('python' 'python-jose' 'python-starlette' 'python-httpx' 'python-fastapi' 'python-dotenv' 'python-dateutil' 'python-sqlalchemy' 'python-pycryptodome' 'python-jinja' 'uvicorn' 'python-markdown' 'openssl')
 provider=("$pkgname")
 install="$pkgname.install"
 backup=('etc/default/fastapi-dls')
@@ -37,17 +37,52 @@ check() {
 }
 
 package() {
+    # create directories
     install -d "$pkgdir/usr/share/doc/$pkgname"
     install -d "$pkgdir/var/lib/$pkgname/cert"
+
+    # copy docs & static files
     cp -r "$srcdir/$pkgname/doc"/* "$pkgdir/usr/share/doc/$pkgname/"
     install -Dm644 "$srcdir/$pkgname/README.md" "$pkgdir/usr/share/doc/$pkgname/README.md"
     install -Dm644 "$srcdir/$pkgname/version.env" "$pkgdir/usr/share/doc/$pkgname/version.env"
-
     sed -i "s/README.md/\/usr\/share\/doc\/$pkgname\/README.md/g" "$srcdir/$pkgname/app/main.py"
+
+    # copy main app python files
     sed -i "s/join(dirname(__file__), 'cert\//join('\/var\/lib\/$pkgname', 'cert\//g" "$srcdir/$pkgname/app/main.py"
     install -Dm755 "$srcdir/$pkgname/app/main.py" "$pkgdir/opt/$pkgname/main.py"
     install -Dm755 "$srcdir/$pkgname/app/orm.py" "$pkgdir/opt/$pkgname/orm.py"
     install -Dm755 "$srcdir/$pkgname/app/util.py" "$pkgdir/opt/$pkgname/util.py"
+
+    # copy static asset files
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/css/bootstrap.min.css" "$pkgdir/opt/$pkgname/static/assets/css/bootstrap.min.css"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/css/bootstrap-icons.min.css" "$pkgdir/opt/$pkgname/static/assets/css/bootstrap-icons.min.css"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/css/custom.css" "$pkgdir/opt/$pkgname/static/assets/css/custom.css"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/css/dashboard.css" "$pkgdir/opt/$pkgname/static/assets/css/dashboard.css"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/fonts/bootstrap-icons.woff" "$pkgdir/opt/$pkgname/static/assets/fonts/bootstrap-icons.woff"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/fonts/bootstrap-icons.woff2" "$pkgdir/opt/$pkgname/static/assets/fonts/bootstrap-icons.woff2"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/img/favicons/android-chrome-192x192.png" "$pkgdir/opt/$pkgname/static/assets/img/favicons/android-chrome-192x192.png"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/img/favicons/android-chrome-512x512.png" "$pkgdir/opt/$pkgname/static/assets/img/favicons/android-chrome-512x512.png"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/img/favicons/apple-touch-icon.png" "$pkgdir/opt/$pkgname/static/assets/img/favicons/apple-touch-icon.png"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/img/favicons/favicon.ico" "$pkgdir/opt/$pkgname/static/assets/img/favicons/favicon.ico"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/img/favicons/favicon-16x16.png" "$pkgdir/opt/$pkgname/static/assets/img/favicons/favicon-16x16.png"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/img/favicons/favicon-32x32.png" "$pkgdir/opt/$pkgname/static/assets/img/favicons/favicon-32x32.png"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/img/favicons/manifest.json" "$pkgdir/opt/$pkgname/static/assets/img/favicons/manifest.json"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/img/logo.png" "$pkgdir/opt/$pkgname/static/assets/img/logo.png"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/js/bootstrap.min.js" "$pkgdir/opt/$pkgname/static/assets/js/bootstrap.min.js"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/js/helper.js" "$pkgdir/opt/$pkgname/static/assets/js/helper.js"
+    install -Dm755 "$srcdir/$pkgname/app/static/assets/js/popper.min.js" "$pkgdir/opt/$pkgname/static/assets/js/popper.min.js"
+    install -Dm755 "$srcdir/$pkgname/app/templates/components/navbar.html" "$pkgdir/opt/$pkgname/templates/components/navbar.html"
+    install -Dm755 "$srcdir/$pkgname/app/templates/components/sidebar.html" "$pkgdir/opt/$pkgname/templates/components/sidebar.html"
+    install -Dm755 "$srcdir/$pkgname/app/templates/layouts/base.html" "$pkgdir/opt/$pkgname/templates/layouts/base.html"
+    install -Dm755 "$srcdir/$pkgname/app/templates/layouts/bootstrap.html" "$pkgdir/opt/$pkgname/templates/layouts/bootstrap.html"
+    install -Dm755 "$srcdir/$pkgname/app/templates/layouts/bootstrap-dashboard.html" "$pkgdir/opt/$pkgname/templates/layouts/bootstrap-dashboard.html"
+    install -Dm755 "$srcdir/$pkgname/app/templates/views/dashboard.html" "$pkgdir/opt/$pkgname/templates/views/dashboard.html"
+    install -Dm755 "$srcdir/$pkgname/app/templates/views/dashboard_leases.html" "$pkgdir/opt/$pkgname/templates/views/dashboard_leases.html"
+    install -Dm755 "$srcdir/$pkgname/app/templates/views/dashboard_origins.html" "$pkgdir/opt/$pkgname/templates/views/dashboard_origins.html"
+    install -Dm755 "$srcdir/$pkgname/app/templates/views/dashboard_readme.html" "$pkgdir/opt/$pkgname/templates/views/dashboard_readme.html"
+    install -Dm755 "$srcdir/$pkgname/app/templates/views/index.html" "$pkgdir/opt/$pkgname/templates/views/index.html"
+
+    # copy service files
     install -Dm644 "$srcdir/$pkgname.default" "$pkgdir/etc/default/$pkgname"
     install -Dm644 "$srcdir/$pkgname.service" "$pkgdir/usr/lib/systemd/system/$pkgname.service"
     install -Dm644 "$srcdir/$pkgname.tmpfiles" "$pkgdir/usr/lib/tmpfiles.d/$pkgname.conf"

.gitlab-ci.yml

@@ -20,6 +20,7 @@ build:docker:
       changes:
         - app/**/*
         - Dockerfile
+        - requirements.txt
     - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
   tags: [ docker ]
   before_script:
@@ -297,13 +298,17 @@ gemnasium-python-dependency_scanning:
 
 deploy:docker:
   extends: .deploy
+  image: docker:dind
   stage: deploy
+  tags: [ docker ]
   before_script:
     - echo "Building docker image for commit $CI_COMMIT_SHA with version $CI_COMMIT_REF_NAME"
+    - docker buildx inspect
+    - docker buildx create --use
   script:
     - echo "========== GitLab-Registry =========="
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-    - IMAGE=$CI_REGISTRY/$CI_PROJECT_PATH/$CI_COMMIT_REF_NAME
+    - IMAGE=$CI_REGISTRY/$CI_PROJECT_PATH
     - docker buildx build --progress=plain --platform $DOCKER_BUILDX_PLATFORM --build-arg VERSION=$CI_COMMIT_REF_NAME --build-arg COMMIT=$CI_COMMIT_SHA --tag $IMAGE:$CI_COMMIT_REF_NAME --push .
     - docker buildx build --progress=plain --platform $DOCKER_BUILDX_PLATFORM --build-arg VERSION=$CI_COMMIT_REF_NAME --build-arg COMMIT=$CI_COMMIT_SHA --tag $IMAGE:latest --push .
     - echo "========== Docker-Hub =========="

README.md

@@ -26,7 +26,7 @@ Only the clients need a connection to this service on configured port.
 
 ---
 
-[[_TOC_]]
+[TOC]
 
 # Setup (Service)
 

app/main.py

@@ -1,39 +1,44 @@
 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.middleware.cors import CORSMiddleware
+from starlette.responses import StreamingResponse, JSONResponse as JSONr, Response, RedirectResponse
+from starlette.staticfiles import StaticFiles
+from starlette.templating import Jinja2Templates
 
-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')
-app = FastAPI(title='FastAPI-DLS', description='Minimal Delegated License Service (DLS).', version=VERSION, **config)
+# 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'))
@@ -51,6 +56,35 @@ 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.mount('/static', StaticFiles(directory=join(dirname(__file__), 'static'), html=True), name='static'),
+templates = Jinja2Templates(directory=join(dirname(__file__), 'templates'))
+
+
 app.debug = DEBUG
 app.add_middleware(
     CORSMiddleware,
@@ -60,35 +94,23 @@ 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})
 
-
-@app.get('/', summary='Index')
-async def index():
-    return RedirectResponse('/-/readme')
-
-
-@app.get('/-/', summary='* Index')
-async def _index():
-    return RedirectResponse('/-/readme')
-
-
-@app.get('/-/health', summary='* Health')
-async def _health():
-    return JSONr({'status': 'up'})
-
-
-@app.get('/-/config', summary='* Config', description='returns environment variables.')
-async def _config():
-    return JSONr({
+def __json_config() -> dict:
+    return {
         'VERSION': str(VERSION),
         'COMMIT': str(COMMIT),
         'DEBUG': str(DEBUG),
@@ -102,52 +124,66 @@ async def _config():
         'LEASE_RENEWAL_PERIOD': str(LEASE_RENEWAL_PERIOD),
         'CORS_ORIGINS': str(CORS_ORIGINS),
         'TZ': str(TZ),
-    })
+        # static / calculated
+        'LEASE_RENEWAL_DELTA': str(LEASE_RENEWAL_DELTA),
+        'LEASE_CALCULATED_RENEWAL': str(Lease.calculate_renewal(LEASE_RENEWAL_PERIOD, LEASE_RENEWAL_DELTA)),
+        'CLIENT_TOKEN_EXPIRE_DELTA': str(CLIENT_TOKEN_EXPIRE_DELTA),
+    }
+
+
+# Endpoints
+
+@app.get('/', summary='* Index')
+async def index():
+    return RedirectResponse('/-/')
+
+
+@app.get('/-/', summary='* Index')
+async def _index(request: Request):
+    return templates.TemplateResponse(name='views/index.html', context={'request': request, 'VERSION': VERSION})
+
+
+@app.get('/-/health', summary='* Health')
+async def _health():
+    return JSONr({'status': 'up'})
+
+
+@app.get('/-/config', summary='* Config', description='returns environment variables.')
+async def _config():
+    return JSONr(__json_config())
 
 
 @app.get('/-/readme', summary='* Readme')
-async def _readme():
+async def _readme(request: Request):
     from markdown import markdown
-    content = load_file('../README.md').decode('utf-8')
-    return HTMLr(markdown(text=content, extensions=['tables', 'fenced_code', 'md_in_html', 'nl2br', 'toc']))
+    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)
 
 
 @app.get('/-/manage', summary='* Management UI')
 async def _manage(request: Request):
-    response = '''
-    <!DOCTYPE html>
-    <html>
-        <head>
-            <title>FastAPI-DLS Management</title>
-        </head>
-        <body>
-            <button onclick="deleteOrigins()">delete ALL origins and their leases</button>
-            <button onclick="deleteLease()">delete specific lease</button>
-            
-            <script>
-                function deleteOrigins() {
-                    const response = confirm('Are you sure you want to delete all origins and their leases?');
+    context = {'request': request, 'VERSION': VERSION}
+    return templates.TemplateResponse(name='views/manage.html', context=context)
 
-                    if (response) {
-                        var xhr = new XMLHttpRequest();
-                        xhr.open("DELETE", '/-/origins', true);
-                        xhr.send();
-                    }
-                }
-                function deleteLease(lease_ref) {
-                    if(lease_ref === undefined)
-                        lease_ref = window.prompt("Please enter 'lease_ref' which should be deleted");
-                    if(lease_ref === null || lease_ref === "")
-                        return
-                    var xhr = new XMLHttpRequest();
-                    xhr.open("DELETE", `/-/lease/${lease_ref}`, true);
-                    xhr.send();
-                }
-            </script>
-        </body>
-    </html>
-    '''
-    return HTMLr(response)
+
+@app.get('/-/dashboard', summary='* Dashboard')
+async def _dashboard(request: Request):
+    context = {'request': request, 'VERSION': VERSION, 'CONFIG': __json_config()}
+    return templates.TemplateResponse(name='views/dashboard.html', context=context)
+
+
+@app.get('/-/dashboard/origins', summary='* Dashboard - Origins')
+async def _dashboard_origins(request: Request):
+    context = {'request': request, 'VERSION': VERSION}
+    return templates.TemplateResponse(name='views/dashboard_origins.html', context=context)
+
+
+@app.get('/-/dashboard/leases', summary='* Dashboard - Leases')
+async def _dashboard_origins(request: Request):
+    context = {'request': request, 'VERSION': VERSION}
+    return templates.TemplateResponse(name='views/dashboard_leases.html', context=context)
 
 
 @app.get('/-/origins', summary='* Origins')
@@ -170,6 +206,19 @@ async def _origins_delete(request: Request):
     return Response(status_code=201)
 
 
+@app.delete('/-/origins/expired', summary='* Delete all Origins without active Lease')
+async def _origins_delete_expired(request: Request):
+    Origin.delete_expired(db)
+    return Response(status_code=201)
+
+
+@app.delete('/-/origins/{origin_ref}', summary='* Delete specific Origin')
+async def _origins_delete_origin_ref(request: Request, origin_ref: str):
+    if Origin.delete(db, [origin_ref]) == 1:
+        return Response(status_code=201)
+    return JSONr(status_code=404, content={'status': 404, 'detail': 'lease not found'})
+
+
 @app.get('/-/leases', summary='* Leases')
 async def _leases(request: Request, origin: bool = False):
     session = sessionmaker(bind=db)()
@@ -186,13 +235,13 @@ async def _leases(request: Request, origin: bool = False):
     return JSONr(response)
 
 
-@app.delete('/-/leases/expired', summary='* Leases')
+@app.delete('/-/leases/expired', summary='* Delete all expired Leases')
 async def _lease_delete_expired(request: Request):
     Lease.delete_expired(db)
     return Response(status_code=201)
 
 
-@app.delete('/-/lease/{lease_ref}', summary='* Lease')
+@app.delete('/-/lease/{lease_ref}', summary='* Delete specific Lease')
 async def _lease_delete(request: Request, lease_ref: str):
     if Lease.delete(db, lease_ref) == 1:
         return Response(status_code=201)
@@ -540,18 +589,6 @@ 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
-from dateutil.relativedelta import relativedelta
+from datetime import datetime, timedelta, timezone
 
+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
@@ -61,7 +66,17 @@ class Origin(Base):
         if origin_refs is None:
             deletions = session.query(Origin).delete()
         else:
-            deletions = session.query(Origin).filter(Origin.origin_ref in origin_refs).delete()
+            deletions = session.query(Origin).filter(Origin.origin_ref.in_(origin_refs)).delete()
+        session.commit()
+        session.close()
+        return deletions
+
+    @staticmethod
+    def delete_expired(engine: Engine) -> int:
+        session = sessionmaker(bind=engine)()
+        origins = session.query(Origin).join(Lease, Origin.origin_ref == Lease.origin_ref, isouter=True).filter(Lease.lease_ref.is_(None)).all()
+        origin_refs = [origin.origin_ref for origin in origins]
+        deletions = session.query(Origin).filter(Origin.origin_ref.in_(origin_refs)).delete()
         session.commit()
         session.close()
         return deletions
@@ -89,10 +104,10 @@ class Lease(Base):
             'lease_ref': self.lease_ref,
             'origin_ref': self.origin_ref,
             # 'scope_ref': self.scope_ref,
-            'lease_created': self.lease_created.isoformat(),
-            'lease_expires': self.lease_expires.isoformat(),
-            'lease_updated': self.lease_updated.isoformat(),
-            'lease_renewal': lease_renewal.isoformat(),
+            'lease_created': self.lease_created.replace(tzinfo=timezone.utc).isoformat(),
+            'lease_expires': self.lease_expires.replace(tzinfo=timezone.utc).isoformat(),
+            'lease_updated': self.lease_updated.replace(tzinfo=timezone.utc).isoformat(),
+            'lease_renewal': lease_renewal.replace(tzinfo=timezone.utc).isoformat(),
         }
 
     @staticmethod

app/static/assets/css/custom.css

@@ -0,0 +1,56 @@
+/*
+    Original: #76b900
+    Darken 1: #5DA000 (10%)
+    Darken 2: #438600 (20%)
+    Darken 3: #2A6D00 (30%)
+    Darken 4: #105300 (40%)
+    Darken 5: #003A00 (50%)
+*/
+
+
+.text-primary {
+    color: #76b900 !important;
+}
+
+.lead {
+    color: #105300 !important;
+}
+
+.navbar-green {
+    background-color: #76b900 !important;
+}
+
+.navbar-brand {
+    background-color: transparent;
+    color: #ffffff;
+}
+
+.navbar-brand:focus, .navbar-brand:hover {
+    color: #fcfcfc;
+}
+
+.btn-primary {
+    background-color: #76b900 !important;
+    border-color: #76b900 !important;
+}
+
+.btn-primary:focus, .btn-primary:hover {
+    background-color: #5DA000 !important;
+    border-color: #5DA000 !important;
+}
+
+code {
+    color: #105300 !important;
+}
+
+.sidebar .nav-link.active {
+    color: #76b900 !important;
+}
+
+.sidebar .nav-link:focus, .sidebar .nav-link:hover {
+    color: #105300 !important;
+}
+
+.navbar-nav .nav-item .nav-link {
+    color: white !important;
+}

app/static/assets/css/dashboard.css

@@ -0,0 +1,101 @@
+body {
+  font-size: .875rem;
+}
+
+.feather {
+  width: 16px;
+  height: 16px;
+  vertical-align: text-bottom;
+}
+
+/*
+ * Sidebar
+ */
+
+.sidebar {
+  position: fixed;
+  top: 0;
+  /* rtl:raw:
+  right: 0;
+  */
+  bottom: 0;
+  /* rtl:remove */
+  left: 0;
+  z-index: 100; /* Behind the navbar */
+  padding: 48px 0 0; /* Height of navbar */
+  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
+}
+
+@media (max-width: 767.98px) {
+  .sidebar {
+    top: 0;
+  }
+}
+
+.sidebar-sticky {
+  position: relative;
+  top: 0;
+  height: calc(100vh - 48px);
+  padding-top: .5rem;
+  overflow-x: hidden;
+  overflow-y: auto; /* Scrollable contents if viewport is shorter than content. */
+}
+
+.sidebar .nav-link {
+  font-weight: 500;
+  color: #333;
+}
+
+.sidebar .nav-link .feather {
+  margin-right: 4px;
+  color: #727272;
+}
+
+.sidebar .nav-link.active {
+  color: #2470dc;
+}
+
+.sidebar .nav-link:hover .feather,
+.sidebar .nav-link.active .feather {
+  color: inherit;
+}
+
+.sidebar-heading {
+  font-size: .75rem;
+  text-transform: uppercase;
+}
+
+/*
+ * Navbar
+ */
+
+.navbar-brand {
+  padding-top: .75rem;
+  padding-bottom: .75rem;
+  font-size: 1rem;
+  background-color: rgba(0, 0, 0, .25);
+  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .25);
+}
+
+.navbar .navbar-toggler {
+  top: .25rem;
+  right: 1rem;
+}
+
+.navbar .form-control {
+  padding: .75rem 1rem;
+  border-width: 0;
+  border-radius: 0;
+}
+
+.form-control-dark {
+  color: #fff;
+  background-color: rgba(255, 255, 255, .1);
+  border-color: rgba(255, 255, 255, .1);
+}
+
+.form-control-dark:focus {
+  border-color: transparent;
+  box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
+}
+

app/static/assets/img/favicons/manifest.json

@@ -0,0 +1 @@
+{"name":"","short_name":"","icons":[{"src":"/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],"theme_color":"#ffffff","background_color":"#ffffff","display":"standalone"}

app/static/assets/js/helper.js

@@ -0,0 +1,139 @@
+async function fetchConfig(element) {
+    let xhr = new XMLHttpRequest();
+    xhr.open("GET", '/-/config', true);
+    xhr.onreadystatechange = function () {
+        if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
+            element.innerHTML = JSON.stringify(JSON.parse(xhr.response),null,2);
+        }
+    };
+    xhr.send();
+}
+
+async function fetchOriginsWithLeases(element) {
+    let xhr = new XMLHttpRequest();
+    xhr.open("GET", '/-/origins?leases=true', true);
+    xhr.onreadystatechange = function () {
+        if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
+            const x = JSON.parse(xhr.response)
+            console.debug(x)
+
+            element.innerHTML = ''
+            let table = document.createElement('table')
+            table.classList.add('table', 'mt-4');
+            let thead = document.createElement('thead');
+            thead.innerHTML = `
+                    <tr>
+                        <th scope="col">origin</th>
+                        <th scope="col">hostname</th>
+                        <th scope="col">OS</th>
+                        <th scope="col">driver version</th>
+                        <th scope="col">leases</th>
+                    </tr>`
+            table.appendChild(thead)
+            let tbody = document.createElement('thead');
+            x.sort((a, b) => a.hostname.localeCompare(b.hostname)).forEach((o) => {
+                let row = document.createElement('tr');
+                row.innerHTML = `
+                        <td><code>${o.origin_ref}</code></td>
+                        <td>${o.hostname}</td>
+                        <td>${o.os_platform} (${o.os_version})</td>
+                        <td>${o.guest_driver_version}</td>
+                        <td>${o.leases.map(x => `<code title="expires: ${x.lease_expires}">${x.lease_ref}</code>`).join(', ')}</td>`
+                tbody.appendChild(row);
+            })
+            table.appendChild(tbody)
+            element.appendChild(table)
+        }
+    };
+    xhr.send();
+}
+
+async function fetchLeases(element) {
+    // datetime config
+    const dtc = {
+        year: "numeric",
+        month: "2-digit",
+        day: "2-digit",
+        hour: "2-digit",
+        minute: "2-digit",
+        second: "2-digit",
+        timeZoneName: "short"
+    }
+
+    let xhr = new XMLHttpRequest();
+    xhr.open("GET", '/-/leases?origin=true', true);
+    xhr.onreadystatechange = function () {
+        if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
+            const x = JSON.parse(xhr.response)
+            console.debug(x)
+
+            element.innerHTML = ''
+            let table = document.createElement('table')
+            table.classList.add('table', 'mt-4');
+            let thead = document.createElement('thead');
+            thead.innerHTML = `
+                    <tr>
+                        <th scope="col">lease</th>
+                        <th scope="col">created</th>
+                        <th scope="col">updated</th>
+                        <th scope="col">next renew</th>
+                        <th scope="col">expires</th>
+                        <th scope="col">origin</th>
+                    </tr>`
+            table.appendChild(thead)
+            let tbody = document.createElement('thead');
+            x.sort((a, b) => new Date(a.lease_expires) - new Date(b.lease_expires)).forEach((o) => {
+                let row = document.createElement('tr');
+                row.innerHTML = `
+                        <td><code>${o.lease_ref}</code></td>
+                        <td>${new Date(o.lease_created).toLocaleDateString('system', dtc)}</td>
+                        <td>${new Date(o.lease_updated).toLocaleDateString('system', dtc)}</td>
+                        <td>${new Date(o.lease_renewal).toLocaleDateString('system', dtc)}</td>
+                        <td>${new Date(o.lease_expires).toLocaleDateString('system', dtc)}</td>
+                        <td><code title="hostname: ${o.origin?.hostname}">${o.origin_ref}</code></td>`
+                tbody.appendChild(row);
+            })
+            table.appendChild(tbody)
+            element.appendChild(table)
+        }
+    };
+    xhr.send();
+}
+
+async function deleteOrigins() {
+    let xhr = new XMLHttpRequest();
+    xhr.open("DELETE", '/-/origins', true);
+    xhr.send();
+}
+
+async function deleteOrigin(origin_ref) {
+    if (origin_ref === undefined)
+        origin_ref = window.prompt("Please enter 'origin_ref' which should be deleted");
+    if (origin_ref === null || origin_ref === "")
+        return
+    let xhr = new XMLHttpRequest();
+    xhr.open("DELETE", `/-/origins/${origin_ref}`, true);
+    xhr.send();
+}
+
+async function deleteExpiredOrigins() {
+    let xhr = new XMLHttpRequest();
+    xhr.open("DELETE", `/-/origins/expired`, true);
+    xhr.send();
+}
+
+async function deleteLease(lease_ref) {
+    if (lease_ref === undefined)
+        lease_ref = window.prompt("Please enter 'lease_ref' which should be deleted");
+    if (lease_ref === null || lease_ref === "")
+        return
+    let xhr = new XMLHttpRequest();
+    xhr.open("DELETE", `/-/lease/${lease_ref}`, true);
+    xhr.send();
+}
+
+async function deleteExpiredLeases() {
+    let xhr = new XMLHttpRequest();
+    xhr.open("DELETE", `/-/leases/expired`, true);
+    xhr.send();
+}

app/templates/components/navbar.html

@@ -0,0 +1,6 @@
+<header class="navbar navbar-expand-md navbar-green sticky-top bg-dark flex-md-nowrap p-0 shadow">
+    <a class="navbar-brand col-md-3 col-lg-2 me-0 px-3" href="/-/">FastAPI-DLS {{ VERSION }}</a>
+    <button class="navbar-toggler position-absolute d-lg-none collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#sidebarMenu" aria-controls="sidebarMenu" aria-expanded="false" aria-label="Toggle navigation">
+        <span class="navbar-toggler-icon"></span>
+    </button>
+</header>

app/templates/components/sidebar.html

@@ -0,0 +1,93 @@
+<nav id="sidebarMenu" class="col-md-3 col-lg-2 d-md-block bg-light sidebar collapse">
+    <div class="position-sticky pt-3">
+        <ul class="nav flex-column">
+            <li class="nav-item">
+                <a class="nav-link {{ 'active' if request.url.path == '/-/dashboard' }}" aria-current="page" href="/-/dashboard">
+                    <i class="bi-house-door"></i> Dashboard
+                </a>
+            </li>
+             <li class="nav-item">
+                <a class="nav-link {{ 'active' if request.url.path == '/-/dashboard/origins' }}" aria-current="page" href="/-/dashboard/origins">
+                    <i class="bi-pc-display-horizontal"></i> Origins <span id="origin-cnt" class="badge text-bg-secondary"></span>
+                </a>
+            </li>
+            <li class="nav-item">
+                <a class="nav-link {{ 'active' if request.url.path == '/-/dashboard/leases' }}" aria-current="page" href="/-/dashboard/leases">
+                    <i class="bi-layers"></i> Leases <span id="lease-cnt" class="badge text-bg-secondary"></span>
+                </a>
+            </li>
+        </ul>
+        <script type="application/javascript">
+            function loadLOriginCnt() {
+                let xhr = new XMLHttpRequest();
+                xhr.open("GET", '/-/origins?leases=false', true);
+                xhr.onreadystatechange = function () {
+                    if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
+                        const x = JSON.parse(xhr.response)
+                        document.getElementById('origin-cnt').innerHTML = x.length
+                    }
+                };
+                xhr.send();
+            }
+
+            function loadLeaseCnt() {
+                let xhr = new XMLHttpRequest();
+                xhr.open("GET", '/-/leases?origin=false', true);
+                xhr.onreadystatechange = function () {
+                    if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
+                        const x = JSON.parse(xhr.response)
+                        document.getElementById('lease-cnt').innerHTML = x.length
+                    }
+                };
+                xhr.send();
+            }
+
+            // load initial
+            loadLOriginCnt()
+            loadLeaseCnt()
+
+            // refresh every 5 seconds
+            setInterval(() => {
+                loadLOriginCnt()
+                loadLeaseCnt()
+            }, 5000);
+        </script>
+
+        <h6 class="sidebar-heading d-flex justify-content-between align-items-center px-3 mt-4 mb-1 text-muted text-uppercase">
+            <span>Help</span>
+        </h6>
+        <ul class="nav flex-column">
+            <li class="nav-item">
+                <a class="nav-link {{ 'active' if request.url.path == '/-/readme' }}" aria-current="page" href="/-/readme">
+                    <i class="bi-question-circle"></i> Readme
+                </a>
+            </li>
+            <li class="nav-item">
+                <a class="nav-link" aria-current="page" href="https://git.collinwebdesigns.de/oscar.krause/fastapi-dls" target="_blank">
+                    <i class="bi-git"></i> Git Repo
+                </a>
+            </li>
+        </ul>
+
+        <h6 class="sidebar-heading d-flex justify-content-between align-items-center px-3 mt-4 mb-1 text-muted text-uppercase">
+            <span>Integrations</span>
+        </h6>
+        <ul class="nav flex-column">
+            <li class="nav-item">
+                <a class="nav-link" aria-current="page" href="/-/doc" target="_blank">
+                    <i class="bi-file-text"></i> Swagger UI
+                </a>
+            </li>
+            <li class="nav-item">
+                <a class="nav-link" aria-current="page" href="/-/redoc" target="_blank">
+                    <i class="bi-file-text"></i> Redoc
+                </a>
+            </li>
+            <li class="nav-item">
+                <a class="nav-link" aria-current="page" href="/-/openapi.json"  target="_blank">
+                    <i class="bi bi-filetype-json"></i> OpenAPI JSON
+                </a>
+            </li>
+        </ul>
+    </div>
+</nav>

app/templates/layouts/base.html

@@ -0,0 +1,33 @@
+<!doctype html>
+<html lang="en" class="h-100">
+<head>
+    {% block title %}
+        <title>FastAPI-DLS</title>
+    {% endblock %}
+
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">
+
+    <link rel="icon" href="/static/assets/img/favicons/favicon-32x32.png" sizes="32x32" type="image/png">
+    <link rel="icon" href="/static/assets/img/favicons/favicon-16x16.png" sizes="16x16" type="image/png">
+    <link rel="manifest" href="/static/assets/img/favicons/manifest.json">
+    <link rel="icon" href="/static/assets/img/favicons/favicon.ico">
+    <link rel="apple-touch-icon" href="/static/assets/img/favicons/apple-touch-icon.png" sizes="180x180">
+
+    {% block styles %}
+    {% endblock %}
+
+    <link rel="stylesheet" type="text/css" href="/static/assets/css/custom.css">
+</head>
+<body class="d-flex flex-column {% block body_class %}{% endblock %}">
+{% block body %}
+{% endblock %}
+
+
+<script src="/static/assets/js/helper.js"></script>
+
+{% block scripts %}
+{% endblock %}
+</body>
+</html>

app/templates/layouts/bootstrap-dashboard.html

@@ -0,0 +1,16 @@
+{% extends 'layouts/bootstrap.html' %}
+
+{% block body %}
+{% include 'components/navbar.html' %}
+
+<div class="container-fluid">
+    <div class="row">
+        {% include 'components/sidebar.html' %}
+
+        <main class="col-md-9 ms-sm-auto col-lg-10 px-md-4">
+            {% block content %}
+            {% endblock %}
+        </main>
+    </div>
+</div>
+{% endblock %}

app/templates/layouts/bootstrap.html

@@ -0,0 +1,14 @@
+{% extends 'layouts/base.html' %}
+
+{% block styles %}
+{{ super() }}
+<link rel="stylesheet" type="text/css" href="/static/assets/css/bootstrap.min.css">
+<link rel="stylesheet" type="text/css" href="/static/assets/css/bootstrap-icons.min.css">
+<link rel="stylesheet" type="text/css" href="/static/assets/css/dashboard.css">
+
+<script src="/static/assets/js/popper.min.js"></script>
+<script src="/static/assets/js/bootstrap.min.js"></script>
+{% endblock %}
+
+
+

app/templates/views/dashboard.html

@@ -0,0 +1,69 @@
+{% extends 'layouts/bootstrap-dashboard.html' %}
+
+{% block title %}
+<title>Dashboard</title>
+{% endblock %}
+
+{% block content %}
+<div>
+    <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
+        <h1 class="h2">Dashboard</h1>
+        <div class="btn-toolbar mb-2 mb-md-0">
+            <div class="btn-group me-2">
+                <button type="button" class="btn btn-sm btn-outline-secondary" onclick="downloadClientToken()">
+                    <i class="bi bi-download"></i>
+                    Client Token
+                </button>
+            </div>
+        </div>
+    </div>
+
+    <div class="p-5 mb-4 bg-light rounded-3">
+        <div class="container-fluid py-5">
+            <h1 class="display-5 fw-bold">FastAPI-DLS</h1>
+            <p class="col-md-8 fs-4">Minimal Delegated License Service (DLS).</p>
+
+            <a href="https://git.collinwebdesigns.de/oscar.krause/fastapi-dls/-/releases" class="btn btn-primary btn-lg" target="_blank">
+                Releases &raquo;
+            </a>
+        </div>
+    </div>
+
+    <div class="card mb-4">
+        <div class="card-body">
+            <h5 class="card-title">Configuration</h5>
+            <h6 class="card-subtitle mb-2 text-body-secondary">
+                Using timezone: {{ CONFIG.TZ }}. Make sure this is correct and match your clients!
+            </h6>
+            <p class="card-text">
+                Your clients renew their license every {{ CONFIG.LEASE_CALCULATED_RENEWAL }}.<br/>
+                If the renewal fails, the license is {{ CONFIG.LEASE_RENEWAL_DELTA }} valid.<br/>
+                <br/>
+                Your client-token file (.tok) is valid for {{ CONFIG.CLIENT_TOKEN_EXPIRE_DELTA }}.
+            </p>
+        </div>
+    </div>
+
+    <div class="card">
+        <div class="card-body">
+            <pre id="config"></pre>
+        </div>
+    </div>
+</div>
+{% endblock %}
+
+{% block scripts %}
+{{ super() }}
+<script type="application/javascript">
+    function downloadClientToken() {
+        window.open('/-/client-token', "_blank")
+    }
+
+    function load() {
+        const config = document.getElementById('config')
+        fetchConfig(config)
+    }
+
+    load()
+</script>
+{% endblock %}

app/templates/views/dashboard_leases.html

@@ -0,0 +1,60 @@
+{% extends 'layouts/bootstrap-dashboard.html' %}
+
+{% block title %}
+<title>Origins</title>
+{% endblock %}
+
+{% block content %}
+    <div>
+        <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
+            <h1 class="h2">Leases <small>with origin</small></h1>
+            <div class="btn-toolbar mb-2 mb-md-0">
+                <div class="btn-group me-2">
+                    <button type="button" class="btn btn-sm btn-outline-danger" onclick="deleteLease().finally(() => load())">
+                        delete lease
+                    </button>
+                    <button type="button" class="btn btn-sm btn-outline-danger" onclick="deleteExpiredLeases().finally(() => load())">
+                        delete all expired leases
+                    </button>
+                </div>
+
+                <button type="button" class="btn btn-sm btn-outline-secondary me-2" onclick="load()" title="refresh">
+                    <i class="bi bi-arrow-clockwise"></i>
+                </button>
+                <button id="btn-auto-refresh" type="button" class="btn btn-sm active">auto-refresh</button>
+            </div>
+        </div>
+
+        <div id="leases" class="mt-3"></div>
+    </div>
+{% endblock %}
+
+{% block scripts %}
+{{ super() }}
+<script type="application/javascript">
+    let autoRefresh = true
+
+    function load() {
+        const leases = document.getElementById('leases')
+        fetchLeases(leases)
+    }
+
+    load()
+
+    setInterval(() => {
+        if(autoRefresh)
+            load()
+    }, 5000);
+
+    const btnAutoRefresh = document.getElementById('btn-auto-refresh')
+    btnAutoRefresh.addEventListener("click", () => {
+        if(btnAutoRefresh.classList.contains('active')) {
+            autoRefresh = false
+            btnAutoRefresh.classList.remove('active')
+        } else {
+            autoRefresh = false
+            btnAutoRefresh.classList.add('active')
+        }
+    }, true);
+</script>
+{% endblock %}

app/templates/views/dashboard_origins.html

@@ -0,0 +1,70 @@
+{% extends 'layouts/bootstrap-dashboard.html' %}
+
+{% block title %}
+<title>Origins</title>
+{% endblock %}
+
+{% block content %}
+    <div>
+        <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
+            <h1 class="h2">Origins <small>with leases</small></h1>
+            <div class="btn-toolbar mb-2 mb-md-0">
+                <div class="btn-group me-2">
+                    <button type="button" class="btn btn-sm btn-outline-danger" onclick="deleteOrigin().finally(() => load())">
+                        delete origin
+                    </button>
+                    <button type="button" class="btn btn-sm btn-outline-danger" onclick="deleteExpiredOrigins().finally(() => load())">
+                        delete all expired origins
+                    </button>
+                    <button type="button" class="btn btn-sm btn-outline-danger" onclick="deleteOriginsWrapper()">
+                        delete all
+                    </button>
+                </div>
+
+                <button type="button" class="btn btn-sm btn-outline-secondary me-2" onclick="load()" title="refresh">
+                    <i class="bi bi-arrow-clockwise"></i>
+                </button>
+                <button id="btn-auto-refresh" type="button" class="btn btn-sm active">auto-refresh</button>
+            </div>
+        </div>
+
+        <div id="origins" class="mt-3"></div>
+    </div>
+{% endblock %}
+
+{% block scripts %}
+{{ super() }}
+    <script type="application/javascript">
+        let autoRefresh = true
+
+        function load() {
+            const origins = document.getElementById('origins')
+            fetchOriginsWithLeases(origins)
+        }
+
+        load()
+
+        function deleteOriginsWrapper() {
+            const response = confirm('Are you sure you want to delete all origins and their leases?');
+
+            if (response)
+                deleteOrigins().finally(() => load())
+        }
+
+        setInterval(() => {
+            if(autoRefresh)
+                load()
+        }, 5000);
+
+        const btnAutoRefresh = document.getElementById('btn-auto-refresh')
+        btnAutoRefresh.addEventListener("click", () => {
+            if(btnAutoRefresh.classList.contains('active')) {
+                autoRefresh = false
+                btnAutoRefresh.classList.remove('active')
+            } else {
+                autoRefresh = false
+                btnAutoRefresh.classList.add('active')
+            }
+        }, true);
+    </script>
+{% endblock %}

app/templates/views/dashboard_readme.html

@@ -0,0 +1,15 @@
+{% extends 'layouts/bootstrap-dashboard.html' %}
+
+{% block title %}
+<title>Origins</title>
+{% endblock %}
+
+{% block content %}
+<div>
+    <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
+        <div class="overflow-hidden">
+            {{ markdown|safe }}
+        </div>
+    </div>
+</div>
+{% endblock %}

app/templates/views/index.html

@@ -0,0 +1,26 @@
+{% extends 'layouts/bootstrap.html' %}
+
+{% block title %}
+<title>Index</title>
+{% endblock %}
+
+{% block body_class %}h-100{% endblock %}
+
+{% block body %}
+<main class="flex-shrink-0">
+    <div class="container">
+        <h1 class="mt-5 text-primary">FastAPI-DLS</h1>
+        <p class="lead">Minimal Delegated License Service (DLS).</p>
+        <p>
+            <a href="/-/dashboard">Dashboard</a>,
+            <a href="/-/readme">Readme</a>
+        </p>
+    </div>
+</main>
+
+<footer class="footer mt-auto py-3 bg-light">
+    <div class="container">
+        <span class="text-muted">FastAPI-DLS Version {{ VERSION }}</span>
+    </div>
+</footer>
+{% endblock %}

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

requirements.txt

@@ -6,3 +6,4 @@ python-dateutil==2.8.2
 sqlalchemy==2.0.30
 markdown==3.6
 python-dotenv==1.0.1
+jinja2==3.1.3

test/create_driver_matrix_json.py

@@ -0,0 +1,137 @@
+import logging
+
+logging.basicConfig()
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.INFO)
+
+URL = 'https://docs.nvidia.com/grid/'
+
+BRANCH_STATUS_KEY, SOFTWARE_BRANCH_KEY, = 'vGPU Branch Status', 'vGPU Software Branch'
+VGPU_KEY, GRID_KEY, DRIVER_BRANCH_KEY = 'vGPU Software', 'vGPU Software', 'Driver Branch'
+LINUX_VGPU_MANAGER_KEY, LINUX_DRIVER_KEY = 'Linux vGPU Manager', 'Linux Driver'
+WINDOWS_VGPU_MANAGER_KEY, WINDOWS_DRIVER_KEY = 'Windows vGPU Manager', 'Windows Driver'
+ALT_VGPU_MANAGER_KEY = 'vGPU Manager'
+RELEASE_DATE_KEY, LATEST_KEY, EOL_KEY = 'Release Date', 'Latest Release in Branch', 'EOL Date'
+JSON_RELEASES_KEY = '$releases'
+
+
+def __driver_versions(html: 'BeautifulSoup'):
+    def __strip(_: str) -> str:
+        # removes content after linebreak (e.g. "Hello\n World" to "Hello")
+        _ = _.strip()
+        tmp = _.split('\n')
+        if len(tmp) > 0:
+            return tmp[0]
+        return _
+
+    # find wrapper for "DriverVersions" and find tables
+    data = html.find('div', {'id': 'DriverVersions'})
+    tables = data.findAll('table')
+    for table in tables:
+        # parse software-branch (e.g. "vGPU software 17 Releases" and remove " Releases" for "matrix_key")
+        software_branch = table.parent.find_previous_sibling('button', {'class': 'accordion'}).text.strip()
+        software_branch = software_branch.replace(' Releases', '')
+        matrix_key = software_branch.lower()
+
+        # driver version info from table-heads (ths) and table-rows (trs)
+        ths, trs = table.find_all('th'), table.find_all('tr')
+        headers, releases = [header.text.strip() for header in ths], []
+        for trs in trs:
+            tds = trs.find_all('td')
+            if len(tds) == 0:  # skip empty
+                continue
+            # create dict with table-heads as key and cell content as value
+            x = {headers[i]: __strip(cell.text) for i, cell in enumerate(tds)}
+            releases.append(x)
+
+        # add to matrix
+        MATRIX.update({matrix_key: {JSON_RELEASES_KEY: releases}})
+
+
+def __release_branches(html: 'BeautifulSoup'):
+    # find wrapper for "AllReleaseBranches" and find table
+    data = html.find('div', {'id': 'AllReleaseBranches'})
+    table = data.find('table')
+
+    # branch releases info from table-heads (ths) and table-rows (trs)
+    ths, trs = table.find_all('th'), table.find_all('tr')
+    headers = [header.text.strip() for header in ths]
+    for trs in trs:
+        tds = trs.find_all('td')
+        if len(tds) == 0:  # skip empty
+            continue
+        # create dict with table-heads as key and cell content as value
+        x = {headers[i]: cell.text.strip() for i, cell in enumerate(tds)}
+
+        # get matrix_key
+        software_branch = x.get(SOFTWARE_BRANCH_KEY)
+        matrix_key = software_branch.lower()
+
+        # add to matrix
+        MATRIX.update({matrix_key: MATRIX.get(matrix_key) | x})
+
+
+def __debug():
+    # print table head
+    s = f'{SOFTWARE_BRANCH_KEY:^21} | {BRANCH_STATUS_KEY:^21} | {VGPU_KEY:^13} | {LINUX_VGPU_MANAGER_KEY:^21} | {LINUX_DRIVER_KEY:^21} | {WINDOWS_VGPU_MANAGER_KEY:^21} | {WINDOWS_DRIVER_KEY:^21} | {RELEASE_DATE_KEY:>21} | {EOL_KEY:>21}'
+    print(s)
+
+    # iterate over dict & format some variables to not overload table
+    for idx, (key, branch) in enumerate(MATRIX.items()):
+        branch_status = branch.get(BRANCH_STATUS_KEY)
+        branch_status = branch_status.replace('Branch ', '')
+        branch_status = branch_status.replace('Long-Term Support', 'LTS')
+        branch_status = branch_status.replace('Production', 'Prod.')
+
+        software_branch = branch.get(SOFTWARE_BRANCH_KEY).replace('NVIDIA ', '')
+        for release in branch.get(JSON_RELEASES_KEY):
+            version = release.get(VGPU_KEY, release.get(GRID_KEY, ''))
+            linux_manager = release.get(LINUX_VGPU_MANAGER_KEY, release.get(ALT_VGPU_MANAGER_KEY, ''))
+            linux_driver = release.get(LINUX_DRIVER_KEY)
+            windows_manager = release.get(WINDOWS_VGPU_MANAGER_KEY, release.get(ALT_VGPU_MANAGER_KEY, ''))
+            windows_driver = release.get(WINDOWS_DRIVER_KEY)
+            release_date = release.get(RELEASE_DATE_KEY)
+            is_latest = release.get(VGPU_KEY) == branch.get(LATEST_KEY)
+
+            version = f'{version} *' if is_latest else version
+            eol = branch.get(EOL_KEY) if is_latest else ''
+            s = f'{software_branch:^21} | {branch_status:^21} | {version:<13} | {linux_manager:<21} | {linux_driver:<21} | {windows_manager:<21} | {windows_driver:<21} | {release_date:>21} | {eol:>21}'
+            print(s)
+
+
+def __dump(filename: str):
+    import json
+
+    file = open(filename, 'w')
+    json.dump(MATRIX, file)
+    file.close()
+
+
+if __name__ == '__main__':
+    MATRIX = {}
+
+    try:
+        import httpx
+        from bs4 import BeautifulSoup
+    except Exception as e:
+        logger.error(f'Failed to import module: {e}')
+        logger.info('Run "pip install beautifulsoup4 httpx"')
+        exit(1)
+
+    r = httpx.get(URL)
+    if r.status_code != 200:
+        logger.error(f'Error loading "{URL}" with status code {r.status_code}.')
+        exit(2)
+
+    # parse html
+    soup = BeautifulSoup(r.text, features='html.parser')
+
+    # build matrix
+    __driver_versions(soup)
+    __release_branches(soup)
+
+    # debug output
+    __debug()
+
+    # dump data to file
+    __dump('../app/static/driver_matrix.json')

test/main.py

@@ -59,8 +59,8 @@ def test_readme():
     assert response.status_code == 200
 
 
-def test_manage():
-    response = client.get('/-/manage')
+def test_dashboard():
+    response = client.get('/-/dashboard')
     assert response.status_code == 200