project layout done

Dockerfile

@@ -1,27 +1,18 @@
-# Use the official lightweight Python image.
-# https://hub.docker.com/_/python
 FROM python:3.8-slim
 
-# Copy local code to the container image.
-ENV APP_HOME /app
-ENV PIP_NO_CACHE_DIR=true
-
-# Set timezone
 ENV TZ Europe/Budapest
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
-WORKDIR $APP_HOME
+WORKDIR /app
 
 ARG RELEASE_ID
 ENV RELEASE_ID ${RELEASE_ID:-""}
 
-#Copy requirements to install
 COPY requirements.txt ./
 
-# Install production dependencies.
-RUN pip install -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
 
-COPY ./src ./src
+COPY ./src .
 
 EXPOSE 8080
 

k8s/deployment.yaml

@@ -0,0 +1,30 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: input-service
+  namespace: birbnetes
+  labels:
+    app: input-service
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: input-service
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app: input-service
+    spec:
+      containers:
+      - image:
+        name: registry.kmlabz.com/tormakris/input-service
+        env:
+        - name: SENTRY_DSN
+          valueFrom:
+            secretKeyRef:
+              name: sentry-dsn
+              key: input-service
+        ports:
+        - containerPort: 8080

k8s/service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: input-service
+  namespace: birbnetes
+  labels:
+    app: input-service
+spec:
+  ports:
+  - name: input-service
+    port: 8080
+    targetPort: 8080
+    protocol: TCP
+  selector:
+    app: input-service
+  type: ClusterIP

requirements.txt

@@ -1,2 +1,6 @@
 sentry_sdk
-gunicorn
+gunicorn
+marshmallow
+Flask
+Flask-RESTful
+requests

src/app.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+import logging
+import sentry_sdk
+from flask import Flask
+from flask_restful import Api
+from sentry_sdk.integrations.flask import FlaskIntegration
+
+from config import SENTRY_DSN, RELEASE_ID, RELEASEMODE, PORT, DEBUG
+from resources import *
+
+"""
+Main Flask RESTful API
+"""
+
+__author__ = "@tormakris"
+__copyright__ = "Copyright 2019, KSZK"
+__module_name__ = "app"
+__version__text__ = "1"
+
+if SENTRY_DSN:
+    sentry_sdk.init(
+        dsn=SENTRY_DSN,
+        integrations=[FlaskIntegration()],
+        send_default_pii=True,
+        release=RELEASE_ID,
+        environment=RELEASEMODE
+    )
+
+app = Flask(__name__)
+api = Api(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, "/v1/input/sample")
+
+if __name__ == "__main__":
+    app.run(
+        debug=bool(DEBUG),
+        host="0.0.0.0",
+        port=int(PORT),
+    )

src/config.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+import os
+
+
+"""
+Main Flask RESTful API
+"""
+
+
+__author__ = "@tormakris"
+__copyright__ = "Copyright 2019, KSZK"
+__module_name__ = "app"
+__version__text__ = "1"
+
+
+PORT = os.environ.get("INPUT_SERVICE_PORT", 8080)
+DEBUG = os.environ.get("INPUT_SERVICE_DEBUG", True)
+
+
+SENTRY_DSN = os.environ.get("SENTRY_DSN")
+RELEASE_ID = os.environ.get("RELEASE_ID")
+RELEASEMODE = os.environ.get("INPUT_SERVICE_RELEASEMODE")

src/resources.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+import logging
+import os
+from flask import request
+from flask_restful import Resource
+from schemas import *
+
+"""
+Flask Restful endpoints
+"""
+
+__author__ = '@tormakris'
+__copyright__ = "Copyright 2019, KSZK"
+__module_name__ = "endpoints"
+__version__text__ = "1"
+
+LOGGER = logging.getLogger(__name__)
+
+
+class SampleResource(Resource):
+    """
+    Sample endpoint
+    See: https://swagger.kmlabz.com/?urls.primaryName=Input%20Service
+    """
+    def post(self):
+        pass

src/schemas.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+from marshmallow import Schema, fields
+
+
+"""
+Schemas of input objects
+"""
+
+
+__author__ = "@tormakris"
+__copyright__ = "Copyright 2019, KSZK"
+__module_name__ = "schemas"
+__version__text__ = "1"
+
+
+class SampleSchema(Schema):
+    """ /v1/email/pay - POST
+
+    Parameters:
+     - date (date)
+     - device_id (str)
+    """
+
+    date = fields.Date(required=True)
+    device_id = fields.Str(required=True)