videon/backend
videon/backend
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easy kubernetes stuff
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This commit is contained in:
Torma Kristóf 2020-12-05 13:24:27 +01:00
parent 5e541640c1
commit 6404fccc8f
4 changed files with 35 additions and 36 deletions
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26
src/app.py
View File

@ -1,5 +1,4 @@
#!/usr/bin/env python3
import logging
from flask import Flask
from flask_restful import Api
import sentry_sdk
@ -8,8 +7,7 @@ from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
from healthcheck import HealthCheck
from errorhandlers import register_all_error_handlers
from config import SENTRY_DSN, RELEASE_ID, RELEASEMODE, POSTGRES_DB, PORT, POSTGRES_HOSTNAME, POSTGRES_PASSWORD, \
POSTGRES_USERNAME, DEBUG, JWT_SECRET_KEY
from config import SENTRY_DSN, RELEASE_ID, RELEASEMODE, SQLALCHEMY_DATABASE_URI, JWT_SECRET_KEY
from db import db
from jwtman import jwtman
from fbcrypt import bcrypt
@ -40,8 +38,7 @@ if SENTRY_DSN:
)
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = \
f"postgresql://{POSTGRES_USERNAME}:{POSTGRES_PASSWORD}@{POSTGRES_HOSTNAME}:5432/{POSTGRES_DB}"
app.config['SQLALCHEMY_DATABASE_URI'] = SQLALCHEMY_DATABASE_URI
app.config['JWT_SECRET_KEY'] = JWT_SECRET_KEY
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
@ -52,17 +49,6 @@ ma.init_app(app)
bcrypt.init_app(app)
jwtman.init_app(app)
formatter = logging.Formatter(
fmt="%(asctime)s - %(levelname)s - %(module)s - %(message)s"
)
handler = logging.StreamHandler()
handler.setFormatter(formatter)
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
logger.addHandler(handler)
# api.add_resource(SampleResource, "/sample")
api.add_resource(SignupApi, '/api/auth/signup')
api.add_resource(LoginApi, '/api/auth/login')
@ -86,11 +72,3 @@ register_all_error_handlers(app)
@app.before_first_request
def init_db():
db.create_all()
if __name__ == "__main__":
app.run(
debug=bool(DEBUG),
host="0.0.0.0",
port=int(PORT),
)

9
src/config.py
View File

@ -13,18 +13,11 @@ __module_name__ = "config"
__version__text__ = "1"
PORT = os.environ.get("VIDEON_PORT", 8080)
DEBUG = os.environ.get("VIDEON_DEBUG", True)
SENTRY_DSN = os.environ.get("SENTRY_DSN")
RELEASE_ID = os.environ.get("RELEASE_ID", "test")
RELEASEMODE = os.environ.get("VIDEON_RELEASEMODE", "dev")
POSTGRES_HOSTNAME = os.getenv("VIDEON_POSTGRES_HOSTNAME", "localhost")
POSTGRES_USERNAME = os.getenv("VIDEON_POSTGRES_USERNAME", "videon")
POSTGRES_PASSWORD = os.getenv("VIDEON_POSTGRES_PASSWORD", "videon")
POSTGRES_DB = os.getenv("VIDEON_POSTGRES_DB", "videon")
SQLALCHEMY_DATABASE_URI = os.getenv("SQLALCHEMY_DATABASE_URI", "sqlite://")
JWT_SECRET_KEY = os.getenv("VIDEON_POSTGRES_DB", str(uuid4()))

21
src/kuberclient.py
View File

@ -40,7 +40,19 @@ class Kubectl:
data={"TYPE": self.streamtype, "STREAM_KEY": self.stream_key,
"PUSH_URLS": self.push_urls, "FFMPEG_ARGS": self.ffmpeg_args,
"ENCODE_PUSH_URL": self.encode_push_url})
client.CoreV1Api().patch_namespaced_config_map(namespace="videon",name=self.name, body=configmap)
client.CoreV1Api().patch_namespaced_config_map(namespace="videon", name=self.name, body=configmap)
def __delete_configmap(self):
client.CoreV1Api().delete_namespaced_config_map(namespace="videon", name=self.name)
def __delete_service(self):
client.CoreV1Api().delete_namespaced_service(namespace="videon", name=self.name)
def __delete_deployment(self):
client.ExtensionsV1beta1Api().delete_namespaced_deployment(name=self.name, namespace="videon",
body=client.V1DeleteOptions(
propagation_policy="Foreground",
grace_period_seconds=5))
def __create_deployment(self):
envs = [client.V1EnvFromSource(config_map_ref=client.V1ConfigMapEnvSource(name=self.name))]
@ -87,7 +99,7 @@ class Kubectl:
)
)
# Creation of the Service in specified namespace
core_v1_api.create_namespaced_service(namespace="videon", body=body)
core_v1_api.create_namespaced_service(namespace="videon", body=body, name=self.name)
def create_resource(self):
self.__create_configmap()
@ -97,3 +109,8 @@ class Kubectl:
def update_resource(self):
self.__update_configmap()
self.__delete_pod()
def delete_resource(self):
self.__delete_deployment()
self.__delete_configmap()
self.__delete_service()

15
src/resources.py
View File

@ -1,5 +1,5 @@
#!/usr/bin/env python3
from uuid import UUID,uuid4
from uuid import UUID, uuid4
import datetime
from flask_jwt_extended import create_access_token, jwt_required, get_jwt_identity
@ -12,6 +12,7 @@ from schemas import UserSchema, UserMetadataSchema, StreamResourceSchema, Ingest
RestreamInputSchema
from config import REGISTER_DISABLED
import listdiffer
from kuberclient import Kubectl
"""
Flask Restful endpoints
@ -186,6 +187,7 @@ class CreateIngestResource(Resource):
ingest.stream_key = str(uuid4())
try:
db.session.add(ingest)
Kubectl(name=ingest.id, resourcetype="ingest", stream_key=ingest.stream_key).create_resource()
except Exception as e:
current_app.logger.warning(e)
abort(503, "object already exists")
@ -234,7 +236,8 @@ class CreateRestreamResource(Resource):
restream.parent_id = restreamobj['inputNeighbour']
try:
db.session.add(restream)
db.session.commit()
Kubectl(name=restream.id, resourcetype="restream",
stream_key=restream.stream_key, push_urls=restreamobj['outputURLs']).create_resource()
except Exception as e:
current_app.logger.warning(e)
abort(503, "object already exists")
@ -289,6 +292,8 @@ class CreateEncodeResource(Resource):
try:
db.session.add(encoder)
Kubectl(name=encoder.id, resourcetype="encoder",
stream_key=encoder.stream_key).create_resource()
except Exception as e:
current_app.logger.warning(e)
abort(503, "object already exists")
@ -341,6 +346,7 @@ class ManipulateStreamResource(Resource):
try:
db.session.delete(streamreousrce)
Kubectl(name=streamreousrce.id, resourcetype=streamreousrce.resource_type).delete_resource()
except Exception as e:
current_app.logger.exception(e)
abort(503, DB_ERROR_MSG)
@ -393,6 +399,7 @@ class ModifyIngressResource(Resource):
current_app.logger.warning(e)
abort(503, "could not remove neighbourhood")
else:
Kubectl(name=ingest.id, resourcetype="ingest", stream_key=ingest.stream_key).update_resource()
if currentoutputneighbours:
for currentneighbour in currentoutputneighbours:
try:
@ -453,6 +460,10 @@ class ModifyRestreamResource(Resource):
current_app.logger.warning(e)
abort(503, "object already exists")
if currentoutputurlurls != restreamobj['outputURLs']:
Kubectl(name=restream.id, resourcetype="restream", stream_key=restream.stream_key,
push_urls=restreamobj['outputURLs']).update_resource()
db.session.commit()
return self.streamresourceschema.dump(restream), 200