hexware/fastapi-dls
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main.py - implemented lease storage support

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This commit is contained in:
Oscar Krause 2022-12-20 18:06:32 +01:00
parent dfdf527c3e
commit fad0545942
2 changed files with 69 additions and 51 deletions
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3
README.md
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@ -19,10 +19,11 @@ docker run -e DLS_URL=`hostname -i` -e DLS_PORT=443 -p 443:443 -v $WORKING_DIR:/
# Configuration
| Variable | Default | Usage |
|---------------------|-------------|---------------------------------------------------------------------------|
|---------------------|-----------------------|---------------------------------------------------------------------------------------|
| `DLS_URL` | `localhost` | Used in client-token to tell guest driver where dls instance is reachable |
| `DLS_PORT` | `443` | Used in client-token to tell guest driver where dls instance is reachable |
| `LEASE_EXPIRE_DAYS` | `90` | Lease time in days |
| `DATABASE` | `sqlite:///db.sqlite` | See [official dataset docs](https://dataset.readthedocs.io/en/latest/quickstart.html) |
# Installation

109
app/main.py
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@ -29,8 +29,9 @@ def load_key(filename) -> RsaKey:
# todo: initialize certificate (or should be done by user, and passed through "volumes"?)
app, db = FastAPI(), dataset.connect('sqlite:///db.sqlite')
app, db = FastAPI(), dataset.connect(str(getenv('DATABASE', 'sqlite:///db.sqlite')))
TOKEN_EXPIRE_DELTA = relativedelta(hours=1) # days=1
LEASE_EXPIRE_DELTA = relativedelta(days=int(getenv('LEASE_EXPIRE_DAYS', 90)))
DLS_URL = str(getenv('DLS_URL', 'localhost'))
@ -43,6 +44,12 @@ jwt_encode_key = jwk.construct(INSTANCE_KEY_RSA.export_key().decode('utf-8'), al
jwt_decode_key = jwk.construct(INSTANCE_KEY_PUB.export_key().decode('utf-8'), algorithm=ALGORITHMS.RS512)
def get_token(request: Request) -> dict:
authorization_header = request.headers['authorization']
token = authorization_header.split(' ')[1]
return jwt.decode(token=token, key=jwt_decode_key, algorithms='RS256', options={'verify_aud': False})
@app.get('/')
async def index():
return JSONResponse({'hello': 'world'})
@ -84,10 +91,7 @@ async def client_token():
{
"idx": 0,
"d_name": "DLS",
"svc_port_map": [
{"service": "auth", "port": DLS_PORT},
{"service": "lease", "port": DLS_PORT}
]
"svc_port_map": [{"service": "auth", "port": DLS_PORT}, {"service": "lease", "port": DLS_PORT}]
}
],
"node_url_list": [{"idx": 0, "url": DLS_URL, "url_qr": DLS_URL, "svc_port_set_idx": 0}]
@ -95,11 +99,12 @@ async def client_token():
"service_instance_public_key_configuration": service_instance_public_key_configuration,
}
data = jws.sign(payload, key=jwt_encode_key, headers=None, algorithm='RS256')
content = jws.sign(payload, key=jwt_encode_key, headers=None, algorithm='RS256')
response = StreamingResponse(iter([data]), media_type="text/plain")
response = StreamingResponse(iter([content]), media_type="text/plain")
filename = f'client_configuration_token_{datetime.now().strftime("%d-%m-%y-%H-%M-%S")}'
response.headers["Content-Disposition"] = f'attachment; filename={filename}'
return response
@ -109,20 +114,21 @@ async def client_token():
async def auth_origin(request: Request):
j = json.loads((await request.body()).decode('utf-8'))
candidate_origin_ref = j['candidate_origin_ref']
print(f'> [ origin ]: {candidate_origin_ref}: {j}')
origin_ref = j['candidate_origin_ref']
print(f'> [ origin ]: {origin_ref}: {j}')
data = dict(
candidate_origin_ref=candidate_origin_ref,
origin_ref=origin_ref,
hostname=j['environment']['hostname'],
guest_driver_version=j['environment']['guest_driver_version'],
os_platform=j['environment']['os_platform'], os_version=j['environment']['os_version']
os_platform=j['environment']['os_platform'], os_version=j['environment']['os_version'],
)
db['origin'].insert_ignore(data, ['candidate_origin_ref'])
db['origin'].upsert(data, ['origin_ref'])
cur_time = datetime.utcnow()
response = {
"origin_ref": candidate_origin_ref,
"origin_ref": origin_ref,
"environment": j['environment'],
"svc_port_set_list": None,
"node_url_list": None,
@ -130,6 +136,7 @@ async def auth_origin(request: Request):
"prompts": None,
"sync_timestamp": cur_time.isoformat()
}
return JSONResponse(response)
@ -144,7 +151,8 @@ async def auth_code(request: Request):
print(f'> [ code ]: {origin_ref}: {j}')
cur_time = datetime.utcnow()
expires = cur_time + relativedelta(days=1)
delta = relativedelta(minutes=15)
expires = cur_time + delta
payload = {
'iat': timegm(cur_time.timetuple()),
@ -157,11 +165,15 @@ async def auth_code(request: Request):
auth_code = jws.sign(payload, key=jwt_encode_key, headers={'kid': payload.get('kid')}, algorithm='RS256')
db['auth'].delete(origin_ref=origin_ref, expires={'<=': cur_time - delta})
db['auth'].insert(dict(origin_ref=origin_ref, code_challenge=j['code_challenge'], expires=expires))
response = {
"auth_code": auth_code,
"sync_timestamp": cur_time.isoformat(),
"prompts": None
}
return JSONResponse(response)
@ -173,15 +185,17 @@ async def auth_token(request: Request):
j = json.loads((await request.body()).decode('utf-8'))
payload = jwt.decode(token=j['auth_code'], key=jwt_decode_key)
origin_ref = payload['origin_ref']
print(f'> [ auth ]: {origin_ref}: {j}')
code_challenge = payload['origin_ref']
origin_ref = db['auth'].find_one(code_challenge=code_challenge)['origin_ref']
print(f'> [ auth ]: {origin_ref} ({code_challenge}): {j}')
# validate the code challenge
if payload['challenge'] != b64enc(sha256(j['code_verifier'].encode('utf-8')).digest()).rstrip(b'=').decode('utf-8'):
raise HTTPException(status_code=403, detail='expected challenge did not match verifier')
raise HTTPException(status_code=401, detail='expected challenge did not match verifier')
cur_time = datetime.utcnow()
access_expires_on = cur_time + relativedelta(days=1)
access_expires_on = cur_time + TOKEN_EXPIRE_DELTA
new_payload = {
'iat': timegm(cur_time.timetuple()),
@ -208,30 +222,35 @@ async def auth_token(request: Request):
# {'fulfillment_context': {'fulfillment_class_ref_list': []}, 'lease_proposal_list': [{'license_type_qualifiers': {'count': 1}, 'product': {'name': 'NVIDIA RTX Virtual Workstation'}}], 'proposal_evaluation_mode': 'ALL_OF', 'scope_ref_list': ['00112233-4455-6677-8899-aabbccddeeff']}
@app.post('/leasing/v1/lessor')
async def leasing_lessor(request: Request):
j = json.loads((await request.body()).decode('utf-8'))
token = jwt.decode(request.headers['authorization'].split(' ')[1], key=jwt_decode_key, algorithms='RS256', options={'verify_aud': False})
j, token = json.loads((await request.body()).decode('utf-8')), get_token(request)
code_challenge = token['origin_ref']
scope_ref_list = j['scope_ref_list']
print(f'> [ lessor ]: {code_challenge}: {j}')
print(f'> {code_challenge}: create leases for scope_ref_list {scope_ref_list}')
origin_ref = db['auth'].find_one(code_challenge=code_challenge)['origin_ref']
print(f'> [ create ]: {origin_ref} ({code_challenge}): create leases for scope_ref_list {scope_ref_list}')
cur_time = datetime.utcnow()
lease_result_list = []
for scope_ref in scope_ref_list:
expires = cur_time + LEASE_EXPIRE_DELTA
lease_result_list.append({
"ordinal": 0,
# https://docs.nvidia.com/license-system/latest/nvidia-license-system-user-guide/index.html
"lease": {
"ref": scope_ref,
"created": cur_time.isoformat(),
"expires": (cur_time + LEASE_EXPIRE_DELTA).isoformat(),
"expires": expires.isoformat(),
# The percentage of the lease period that must elapse before a licensed client can renew a license
"recommended_lease_renewal": 0.15,
"offline_lease": "true",
"license_type": "CONCURRENT_COUNTED_SINGLE"
}
})
data = dict(origin_ref=code_challenge, lease_ref=scope_ref, expires=None, last_update=None)
db['leases'].insert_ignore(data, ['origin_ref', 'lease_ref'])
data = dict(origin_ref=origin_ref, lease_ref=scope_ref, lease_created=cur_time, lease_expires=expires)
db['lease'].insert_ignore(data, ['origin_ref', 'lease_ref']) # todo: handle update
response = {
"lease_result_list": lease_result_list,
@ -244,24 +263,19 @@ async def leasing_lessor(request: Request):
# venv/lib/python3.9/site-packages/nls_services_lease/test/test_lease_multi_controller.py
# venv/lib/python3.9/site-packages/nls_dal_service_instance_dls/schema/service_instance/V1_0_21__product_mapping.sql
@app.get('/leasing/v1/lessor/leases')
async def leasing_lessor_lease(request: Request):
token = jwt.decode(request.headers['authorization'].split(' ')[1], key=key, algorithms='RS256', options={'verify_aud': False})
token = get_token(request)
code_challenge = token['origin_ref']
active_lease_list = list(map(lambda x: x['lease_ref'], db['leases'].find(origin_ref=code_challenge)))
print(f'> {code_challenge}: found {len(active_lease_list)} active leases')
if len(active_lease_list) == 0:
raise HTTPException(status_code=400, detail="No leases available")
origin_ref = db['auth'].find_one(code_challenge=code_challenge)['origin_ref']
active_lease_list = list(map(lambda x: x['lease_ref'], db['lease'].find(origin_ref=origin_ref)))
print(f'> [ leases ]: {origin_ref} ({code_challenge}): found {len(active_lease_list)} active leases')
cur_time = datetime.utcnow()
# venv/lib/python3.9/site-packages/nls_dal_service_instance_dls/schema/service_instance/V1_0_21__product_mapping.sql
response = {
# "active_lease_list": [
# # "BE276D7B-2CDB-11EC-9838-061A22468B59" # (works on Linux) GRID-Virtual-WS 2.0 CONCURRENT_COUNTED_SINGLE // 'NVIDIA Virtual PC','NVIDIA Virtual PC'
# "BE276EFE-2CDB-11EC-9838-061A22468B59" # GRID-Virtual-WS 2.0 CONCURRENT_COUNTED_SINGLE // 'NVIDIA RTX Virtual Workstation','NVIDIA RTX Virtual Workstation
# ],
"active_lease_list": active_lease_list,
"sync_timestamp": cur_time.isoformat(),
"prompts": None
@ -273,13 +287,15 @@ async def leasing_lessor_lease(request: Request):
# venv/lib/python3.9/site-packages/nls_core_lease/lease_single.py
@app.put('/leasing/v1/lease/{lease_ref}')
async def leasing_lease_renew(request: Request, lease_ref: str):
token = jwt.decode(request.headers['authorization'].split(' ')[1], key=jwt_decode_key, algorithms='RS256', options={'verify_aud': False})
token = get_token(request)
code_challenge = token['origin_ref']
print(f'> {code_challenge}: renew {lease_ref}')
if db['leases'].count(lease_ref=lease_ref) == 0:
raise HTTPException(status_code=400, detail="No leases available")
origin_ref = db['auth'].find_one(code_challenge=code_challenge)['origin_ref']
print(f'> [ renew ]: {origin_ref} ({code_challenge}): renew {lease_ref}')
if db['lease'].count(origin_ref=origin_ref, lease_ref=lease_ref) == 0:
raise HTTPException(status_code=404, detail='requested lease not available')
cur_time = datetime.utcnow()
expires = cur_time + LEASE_EXPIRE_DELTA
@ -287,26 +303,27 @@ async def leasing_lease_renew(request: Request, lease_ref: str):
"lease_ref": lease_ref,
"expires": expires.isoformat(),
"recommended_lease_renewal": 0.16,
# 0.16 = 10 min, 0.25 = 15 min, 0.33 = 20 min, 0.5 = 30 min (should be lower than "LEASE_EXPIRE_DELTA")
"offline_lease": True,
"prompts": None,
"sync_timestamp": cur_time.isoformat(),
}
data = dict(lease_ref=lease_ref, origin_ref=code_challenge, expires=expires, last_update=cur_time)
db['leases'].update(data, ['lease_ref'])
data = dict(origin_ref=origin_ref, lease_ref=lease_ref, lease_expires=expires, lease_last_update=cur_time)
db['lease'].update(data, ['origin_ref', 'lease_ref'])
return JSONResponse(response)
@app.delete('/leasing/v1/lessor/leases')
async def leasing_lessor_lease_remove(request: Request):
token = jwt.decode(request.headers['authorization'].split(' ')[1], key=jwt_decode_key, algorithms='RS256', options={'verify_aud': False})
token = get_token(request)
code_challenge = token['origin_ref']
released_lease_list = list(map(lambda x: x['lease_ref'], db['leases'].find(origin_ref=code_challenge)))
deletions = db['leases'].delete(origin_ref=code_challenge)
print(f'> {code_challenge}: removed {deletions} leases')
origin_ref = db['auth'].find_one(code_challenge=code_challenge)['origin_ref']
released_lease_list = list(map(lambda x: x['lease_ref'], db['lease'].find(origin_ref=origin_ref)))
deletions = db['lease'].delete(origin_ref=origin_ref)
print(f'> [ remove ]: {origin_ref} ({code_challenge}): removed {deletions} leases')
cur_time = datetime.utcnow()
response = {