Added data-access-microservice

transaction-hub-out/data-access-microservice/Dockerfile

+FROM python:3
+LABEL maintainer="Alexander Lercher"
+
+ENV http_proxy http://proxy.uni-klu.ac.at:3128/
+ENV https_proxy http://proxy.uni-klu.ac.at:3128/
+
+RUN apt-get update
+RUN pip install flask
+RUN pip install connexion[swagger-ui]
+
+EXPOSE 5000
+
+WORKDIR /app
+COPY transaction-hub-out/data-access-microservice/app/ /app/
+RUN chmod a+x main.py
+
+CMD ["python", "./main.py"]
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transaction-hub-out/data-access-microservice/README.md

+# Data Access Microservice
+The data access microservice offers the heuristics and data from SMART to enable other components to apply evaluation and cognition for different use-cases.
+
+## Technologies
+- Python 3.x
+(Check Dockerfile for used Python modules)
+- Docker
+- Kubernetes
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transaction-hub-out/data-access-microservice/app/configs/swagger.yml

+swagger: "2.0"
+info:
+  title: Data Access microservice
+  description: This is the documentation for the data access microservice.
+  version: "1.0.0"
+
+consumes:
+  - "application/json"
+produces:
+  - "application/json"
+
+basePath: "/api"
+
+paths:
+  /debug:
+    post:
+      operationId: "debug.echo"
+      tags:
+        - "Echo"
+      summary: "Echo function for debugging purposes"
+      description: "Echoes the input back to the caller."
+      parameters:
+        - in: body
+          name: "Object"
+          required: true
+          schema:
+            type: object
+      responses:
+        200:
+          description: "Successful echo of request data"

transaction-hub-out/data-access-microservice/app/debug.py

+from flask import request
+
+def echo():
+    return request.json
+
+ 
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transaction-hub-out/data-access-microservice/app/main.py

+import connexion
+
+# load swagger config
+app = connexion.App(__name__, specification_dir='configs/')
+app.add_api('swagger.yml')
+
+@app.route('/', methods=['GET'])
+def api_root():
+    return 'Endpoint of data-access-microservice!'
+
+# start app
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000, debug=True)

transaction-hub-out/data-access-microservice/deployment/deployment.yml

+apiVersion: apps/v1
+kind: Deployment
+
+metadata:
+  name: data-access
+    
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: data-access
+  template:
+    metadata:
+      labels:
+        app: data-access
+    spec:
+      containers:
+      - name: data-access
+        image: 172.16.1.20:5000/data-access-microservice
+        ports:
+        - containerPort: 5000
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transaction-hub-out/data-access-microservice/deployment/service.yml

+apiVersion: v1
+kind: Service
+
+metadata:
+  name: data-access
+  
+spec:
+  type: LoadBalancer
+  externalIPs:
+    - 143.205.173.36
+  selector:
+      app: data-access
+  ports:
+    - name: http
+      port: 80
+      targetPort: 5000
+      nodePort: 30205
+      protocol: TCP
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