remove state capabilities

requirements.txt

@@ -2,12 +2,5 @@ sentry_sdk[flask]
 gunicorn
 Flask
 Flask-RESTful
-sqlalchemy
-flask_sqlalchemy
-marshmallow
-marshmallow-sqlalchemy
-flask-marshmallow
 paho-mqtt
 flask-mqtt
-psycopg2-binary
-py-healthcheck

src/app.py

@@ -1,21 +1,17 @@
 #!/usr/bin/env python3
 import logging
 from flask import Flask
+from flask_mqtt import logger
 from flask_restful import Api
 import sentry_sdk
 from sentry_sdk.integrations.flask import FlaskIntegration
 from sentry_sdk.integrations.logging import LoggingIntegration
-from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
-from healthcheck import HealthCheck
 
 from resources import *
 from config import *
-from db import db
-from marshm import ma
 from mqtt_flask_instance import mqtt
 
 from mqtt_methods import handle_status_message
-from healthchecks import health_database_status
 
 """
 Main Flask RESTful API
@@ -33,7 +29,7 @@ if SENTRY_DSN:
     )
     sentry_sdk.init(
         dsn=SENTRY_DSN,
-        integrations=[FlaskIntegration(), sentry_logging, SqlalchemyIntegration()],
+        integrations=[FlaskIntegration(), sentry_logging],
         traces_sample_rate=1.0,
         send_default_pii=True,
         release=RELEASE_ID,
@@ -48,18 +44,10 @@ app.config['MQTT_BROKER_PORT'] = MQTT_PORT
 app.config['MQTT_USERNAME'] = MQTT_USERNAME
 app.config['MQTT_PASSWORD'] = MQTT_PASSWORD
 app.config['MQTT_REFRESH_TIME'] = 1.0  # refresh time in seconds
-app.config['SQLALCHEMY_DATABASE_URI'] = \
-    f"postgresql://{POSTGRES_USERNAME}:{POSTGRES_PASSWORD}@{POSTGRES_HOSTNAME}:5432/{POSTGRES_DB}?sslmode=require"
 
 api = Api(app)
-db.init_app(app)
 ma.init_app(app)
 mqtt.init_app(app)
-health = HealthCheck()
-
-with app.app_context():
-    db.create_all()
-
 
 @mqtt.on_log()
 def handle_logging(client, userdata, level, buf):
@@ -80,15 +68,9 @@ def handle_status_message_proxy(*args, **kwargs):
         handle_status_message(*args, **kwargs)
 
 
-api.add_resource(AllDevicesResource, "/devices")
 api.add_resource(AllDevicesOfflineResource, "/devices/offline")
 api.add_resource(AllDevicesOnlineResource, "/devices/online")
-api.add_resource(DeviceResource, "/devices/{deviceid}")
 api.add_resource(DeviceOfflineResrouce, "/devices/{deviceid}/offline")
 api.add_resource(DeviceOnlineResrouce, "/devices/{deviceid}/online")
-api.add_resource(SensorResource, "/devices/{deviceid}/{sensorid}")
 api.add_resource(SensorOfflineResource, "/devices/{deviceid}/{sensorid}/offline")
 api.add_resource(SensorOnlineResource, "/devices/{deviceid}/{sensorid}/online")
-
-health.add_check(health_database_status)
-app.add_url_rule("/healthz", "healthcheck", view_func=lambda: health.run())

src/config.py

@@ -20,11 +20,6 @@ SENTRY_DSN = os.environ.get("SENTRY_DSN")
 RELEASE_ID = os.environ.get("RELEASE_ID", "test")
 RELEASEMODE = os.environ.get("CNC_SERVICE_RELEASEMODE", "dev")
 
-POSTGRES_HOSTNAME = os.getenv("CNC_POSTGRES_HOSTNAME", "localhost")
-POSTGRES_USERNAME = os.getenv("CNC_POSTGRES_USERNAME", "cnc-service")
-POSTGRES_PASSWORD = os.getenv("CNC_POSTGRES_PASSWORD", "cnc-service")
-POSTGRES_DB = os.getenv("CNC_POSTGRES_DB", "cnc-service")
-
 MQTT_HOSTNAME = os.getenv("CNC_MQTT_HOSTNAME", "localhost")
 MQTT_PORT = os.getenv("CNC_MQTT_PORT", "1883")
 MQTT_USERNAME = os.getenv("CNC_MQTT_USERNAME", "cnc-service")

src/db.py

@@ -1,13 +0,0 @@
-#!/usr/bin/env python3
-from flask_sqlalchemy import SQLAlchemy
-
-"""
-SQLAlchemy definition
-"""
-
-__author__ = '@tormakris'
-__copyright__ = "Copyright 2020, Birbnetes Team"
-__module_name__ = "db"
-__version__text__ = "1"
-
-db = SQLAlchemy()

src/healthchecks.py

@@ -1,23 +0,0 @@
-#!/usr/bin/env python3
-
-from db import db
-
-"""
-Healthchek functions
-"""
-
-__author__ = "@tormakris"
-__copyright__ = "Copyright 2020, Birbnetes Team"
-__module_name__ = "healthchecks"
-__version__text__ = "1"
-
-
-def health_database_status():
-    is_database_working = True
-    output = 'database is ok'
-    try:
-        db.session.execute('SELECT 1')
-    except Exception as e:
-        output = str(e)
-        is_database_working = False
-    return is_database_working, output

src/marshm.py

@@ -1,14 +0,0 @@
-#!/usr/bin/env python3
-
-from flask_marshmallow import Marshmallow
-
-"""
-Marshmallow definition
-"""
-
-__author__ = '@tormakris'
-__copyright__ = "Copyright 2020, Birbnetes Team"
-__module_name__ = "marshm"
-__version__text__ = "1"
-
-ma = Marshmallow()

src/models.py

@@ -1,43 +0,0 @@
-#!/usr/bin/env python3
-import enum
-from sqlalchemy.sql import func
-from db import db
-
-"""
-SQLAlchemy models
-"""
-
-__author__ = '@tormakris'
-__copyright__ = "Copyright 2020, Birbnetes Team"
-__module_name__ = "models"
-__version__text__ = "1"
-
-
-class DeviceStatusEnum(enum.Enum):
-    error = "error"
-    online = "online"
-    offline = "offline"
-
-
-class SensorStatusEnum(enum.Enum):
-    unknown = "unknown"
-    online = "online"
-    offline = "offline"
-
-
-class Device(db.Model):
-    __tablename__ = 'device'
-    id = db.Column(db.Integer, primary_key=True)
-    deviceid = db.Column(db.String, nullable=False)
-    status = db.Column(db.Enum(DeviceStatusEnum), nullable=False)
-    url = db.Column(db.String, nullable=False)
-    lastupdate = db.Column(db.TIMESTAMP, nullable=False, server_default=func.now(), onupdate=func.current_timestamp())
-    sensors = db.relationship("Sensor")
-
-
-class Sensor(db.Model):
-    __tablename__ = 'sensor'
-    id = db.Column(db.Integer, primary_key=True)
-    sensorid = db.Column(db.String, nullable=False)
-    status = db.Column(db.Enum(SensorStatusEnum), nullable=False)
-    device_id = db.Column(db.Integer, db.ForeignKey('device.id'))

src/mqtt_methods.py

@@ -1,8 +1,6 @@
 #!/usr/bin/env python3
 from flask import current_app as app
 import config
-from db import db
-from schemas import DeviceSchema, SensorSchema
 
 """
 MQTT Stuff
@@ -13,9 +11,6 @@ __copyright__ = "Copyright 2020, Birbnetes Team"
 __module_name__ = "mqtt_methods"
 __version__text__ = "1"
 
-deviceschema = DeviceSchema(many=False)
-sensorschema = SensorSchema(many=False)
-
 
 def handle_status_message(client, userdata, message):
     data = dict(
@@ -27,18 +22,11 @@ def handle_status_message(client, userdata, message):
         ids = data['topic'].replace(f"{config.MQTT_STATUS_TOPIC}/", "").split("/")
         if len(ids) == 1:
             data['payload']['deviceID'] = ids[0]
-            status_message = deviceschema.load(data['payload'], session=db.session, transient=True).data
             app.logger.info(f"Recieved status message from {data['payload']['deviceID']}, persisting to db.")
-            db.session.merge(status_message)
         else:
             if len(ids) == 2:
                 data['payload']['deviceID'] = ids[0]
                 data['payload']['sensorID'] = ids[1]
-                status_message = sensorschema.load(data['payload'], session=db.session, transient=True).data
                 app.logger.info(f"Recieved status message from sensor {data['payload']['sensorID']}, persisting to db.")
-                db.session.merge(status_message)
     except Exception as e:
-        db.session.rollback()
         app.logger.exception(e)
-    else:
-        db.session.commit()

src/resources.py

@@ -1,10 +1,7 @@
 #!/usr/bin/env python3
 from flask_restful import Resource
-from db import db
 from mqtt_flask_instance import mqtt
 import config
-import models
-import schemas
 
 """
 Flask Restful endpoints
@@ -16,21 +13,6 @@ __module_name__ = "resources"
 __version__text__ = "1"
 
 
-class AllDevicesResource(Resource):
-    """
-    Query all known devices
-    """
-    alldeviceschema = schemas.DeviceSchema(many=True)
-
-    def get(self):
-        """
-        Get all stored items
-        :return:
-        """
-        alldevices = models.Device.query.all()
-        return self.alldeviceschema.dump(list(alldevices)), 200
-
-
 class AllDevicesOfflineResource(Resource):
     """
     Shut down all devices
@@ -55,22 +37,6 @@ class AllDevicesOnlineResource(Resource):
         mqtt.publish(f"{config.MQTT_COMMAND_TOPIC}/+", {"command": "online"})
 
 
-class DeviceResource(Resource):
-    """
-    Query and control a particular device
-    """
-    deviceschema = schemas.DeviceSchema(many=False)
-
-    def get(self, deviceid: str):
-        """
-        Query a device
-        :param deviceid: UUID of device
-        :return:
-        """
-        device = models.Device.query.filter_by(id=deviceid).first_or_404()
-        return self.deviceschema.dump(device), 200
-
-
 class DeviceOfflineResrouce(Resource):
     """
     Bring a device offline
@@ -78,11 +44,10 @@ class DeviceOfflineResrouce(Resource):
     def post(self, deviceid: str):
         """
         Shut down a device
-        :param deviceid: UUID of device
+        :param deviceid: ID of device
         :return:
         """
-        device = db.session.query(models.Device.id).filter(str(models.Device.id) == deviceid).first_or_404()[0]
+        mqtt.publish(f"{config.MQTT_COMMAND_TOPIC}/{deviceid}", {"command": "offline"})
-        mqtt.publish(f"{config.MQTT_COMMAND_TOPIC}/{device}", {"command": "offline"})
 
 
 class DeviceOnlineResrouce(Resource):
@@ -92,28 +57,10 @@ class DeviceOnlineResrouce(Resource):
     def post(self, deviceid: str):
         """
         Bring a device online
-        :param deviceid: UUID of device
+        :param deviceid: ID of device
         :return:
         """
-        device = db.session.query(models.Device.id).filter(str(models.Device.id) == deviceid).first_or_404()[0]
+        mqtt.publish(f"{config.MQTT_COMMAND_TOPIC}/{deviceid}", {"command": "online"})
-        mqtt.publish(f"{config.MQTT_COMMAND_TOPIC}/{device}", {"command": "online"})
-
-
-class SensorResource(Resource):
-    """
-    Query and control a particular sensor of a device
-    """
-    sensorschema = schemas.SensorSchema(many=False)
-
-    def get(self, deviceid: str, sensorid: str):
-        """
-        Query a sensor
-        :param deviceid: UUID of device
-        :param sensorid: UUID of sensor
-        :return:
-        """
-        sensor = models.Sensor.query.filter_by(device_id=deviceid, sensorid=sensorid).first_or_404()
-        return self.sensorschema.dump(sensor)
 
 
 class SensorOfflineResource(Resource):
@@ -123,13 +70,11 @@ class SensorOfflineResource(Resource):
     def post(self, deviceid: str, sensorid: str):
         """
         Shut down a sensor of a device
-        :param deviceid: UUID of device
+        :param deviceid: ID of device
-        :param sensorid: UUID of sensor
+        :param sensorid: ID of sensor
         :return:
         """
-        sensor = db.session.query(models.Sensor.device_id, models.Sensor.id).filter(
+        mqtt.publish(f"{config.MQTT_COMMAND_TOPIC}/{deviceid}/{sensorid}", {"command": "offline"})
-            str(models.Sensor.device_id) == deviceid and str(models.Sensor.id) == sensorid).first_or_404()
-        mqtt.publish(f"{config.MQTT_COMMAND_TOPIC}/{sensor[0]}/{sensor[1]}", {"command": "offline"})
 
 
 class SensorOnlineResource(Resource):
@@ -139,10 +84,8 @@ class SensorOnlineResource(Resource):
     def post(self, deviceid: str, sensorid: str):
         """
         Bring a sensor online
-        :param deviceid: UUID of device
+        :param deviceid: ID of device
-        :param sensorid: UUID of sensor
+        :param sensorid: ID of sensor
         :return:
         """
-        sensor = db.session.query(models.Sensor.device_id, models.Sensor.id).filter(
+        mqtt.publish(f"{config.MQTT_COMMAND_TOPIC}/{deviceid}/{sensorid}", {"command": "online"})
-            str(models.Sensor.device_id) == deviceid and str(models.Sensor.id) == sensorid).first_or_404()
-        mqtt.publish(f"{config.MQTT_COMMAND_TOPIC}/{sensor[0]}/{sensor[1]}", {"command": "online"})

src/schemas.py

@@ -1,36 +0,0 @@
-#!/usr/bin/env python3
-import models
-from marshm import ma
-from marshmallow import fields
-
-"""
-Schemas of SQLAlchemy objects
-"""
-
-
-__author__ = "@tormakris"
-__copyright__ = "Copyright 2020, Birbnetes Team"
-__module_name__ = "schemas"
-__version__text__ = "1"
-
-
-class SensorSchema(ma.SQLAlchemyAutoSchema):
-    """
-    Sensor schema autogenerated
-    """
-    class Meta:
-        model = models.Sensor
-        include_fk = True
-        exclude = ('id',)
-
-
-class DeviceSchema(ma.SQLAlchemyAutoSchema):
-    """
-    Device schema autogenerated
-    """
-    sensors = fields.Nested(SensorSchema, many=True)
-
-    class Meta:
-        model = models.Device
-        include_relationships = True
-        exclude = ('lastupdate',)