GreenhouseDetector/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.9-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY GreenhouseDetector/detector.py .
+
+CMD ["python", "detector.py"]

GreenhouseDetector/detector.py

@@ -1,3 +1,4 @@
+import os
 import time
 import random as rnd
 
@@ -5,10 +6,13 @@ from flask import Flask
 import requests
 import threading
 
+
 app = Flask(__name__)
 
 class Detector:
     def __init__(self, id, moistureThresholdUpper, moistureThresholdLower, tempThresholdUpper, tempThresholdLower):
+        self.MANAGER_URL = os.environ.get('MANAGER_URL')
+        print("MANAGER_URL=", self.MANAGER_URL)
         self.id = id
         self.moistureThresholdUpper = moistureThresholdUpper
         self.moistureThresholdLower = moistureThresholdLower
@@ -24,7 +28,7 @@ class Detector:
     def sendData(self):
         data = {"moisture": self.moisture,
                 "temp": self.temp}
-        requests.post(f"http://127.0.0.1:20002/webhook?id={self.id}", json=data)
+        requests.post(f"{self.MANAGER_URL}/webhook?id={self.id}", json=data)
 
 detector1 = Detector(1, 0.6, 0.2, 40, 20)
 

GreenhouseManager/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.9-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY GreenhouseManager/manager.py .
+
+CMD ["python", "manager.py"]

GreenhouseManager/manager.py

@@ -1,3 +1,4 @@
+import os
 from kafka import KafkaProducer, KafkaConsumer
 import kafka
 import socket
@@ -7,6 +8,7 @@ import time
 from enum import Enum
 import threading
 
+
 app = Flask(__name__)
 
 def start_manager():
@@ -15,6 +17,8 @@ def start_manager():
 class Manager:
     def __init__(self, _id: int, moisture: float = 0, temp: float = 20,  isAutoOn: bool = False, valve_state: str = "closed",
                  heater_state: str = "off"):
+        KAFKA_URL = os.environ.get('KAFKA_URL')
+        print("KAFKA_URL=", KAFKA_URL)
         self._id = _id
         self.moisture = moisture
         self.temp = temp
@@ -23,14 +27,14 @@ class Manager:
         self.heater_state = heater_state
 
         self.dataPublisher = KafkaProducer(
-            bootstrap_servers=['localhost:9092'],
+            bootstrap_servers=[KAFKA_URL],
             client_id=f'manager{self._id}_producer',
             value_serializer=lambda v: dumps(v).encode('utf-8')
         )
 
         self.controllerConsumer = KafkaConsumer(
             'commands',
-            bootstrap_servers=['localhost:9092'],
+            bootstrap_servers=[KAFKA_URL],
             auto_offset_reset='earliest',
             enable_auto_commit=True,
             consumer_timeout_ms=2000,
@@ -38,7 +42,7 @@ class Manager:
             value_deserializer=lambda x: loads(x.decode('utf-8'))
         )
         self.controllerConsumerResponse = KafkaProducer(
-            bootstrap_servers=['localhost:9092'],
+            bootstrap_servers=[KAFKA_URL],
             client_id=f'manager{self._id}_producer',
             value_serializer=lambda v: dumps(v).encode('utf-8')
         )

docker-compose.yml

@@ -34,7 +34,7 @@ services:
     ports:
       - "5438:5432"
     volumes:
-      - postgres_data:/var/lib/postgresql/data  
+      - postgres_data:/var/lib/postgresql/data
   redis:
     image: 'redis:latest'
     ports:
@@ -43,63 +43,63 @@ services:
       - 'cloud-redis:/data'
     healthcheck:
       test:
-          - CMD
-          - redis-cli
-          - ping
+        - CMD
+        - redis-cli
+        - ping
       retries: 3
       timeout: 5s
   zookeeper:
-      networks:
-        - vpn
-      image: confluentinc/cp-zookeeper:7.4.0
-      environment:
-        ZOOKEEPER_CLIENT_PORT: 2181
-        ZOOKEEPER_TICK_TIME: 2000
-      ports:
-        - 2181:2181
+    networks:
+      - vpn
+    image: confluentinc/cp-zookeeper:7.4.0
+    environment:
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+    ports:
+      - 2181:2181
   kafka:
-      networks:
-        vpn:
-          ipv4_address: 192.168.2.10
-      image: confluentinc/cp-kafka:7.4.0
-      ports:
+    networks:
+      vpn:
+        ipv4_address: 192.168.2.10
+    image: confluentinc/cp-kafka:7.4.0
+    ports:
       - 9092:9092
       - 9997:9997
-      expose:
-        - 29092:29092
-      environment:
-          KAFKA_BROKER_ID: 1
-          KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
-          KAFKA_LISTENERS: HOST://0.0.0.0:9092,DOCKER://0.0.0.0:29092
-          KAFKA_ADVERTISED_LISTENERS: HOST://192.168.1.5:9092,DOCKER://kafka:29092
-          KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: DOCKER:PLAINTEXT,HOST:PLAINTEXT
-          KAFKA_INTER_BROKER_LISTENER_NAME: DOCKER
-          KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
-          KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
-          KAFKA_LOG_FLUSH_INTERVAL_MESSAGES: 10000
-          KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
-      depends_on:
+    expose:
+      - 29092:29092
+    environment:
+      KAFKA_BROKER_ID: 1
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_LISTENERS: HOST://0.0.0.0:9092,DOCKER://0.0.0.0:29092
+      KAFKA_ADVERTISED_LISTENERS: HOST://192.168.1.5:9092,DOCKER://kafka:29092
+      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: DOCKER:PLAINTEXT,HOST:PLAINTEXT
+      KAFKA_INTER_BROKER_LISTENER_NAME: DOCKER
+      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
+      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
+      KAFKA_LOG_FLUSH_INTERVAL_MESSAGES: 10000
+      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
+    depends_on:
       - zookeeper
   init-kafka:
-      networks:
-        - vpn
-      image: confluentinc/cp-kafka:7.4.0
-      depends_on:
-        - kafka
-      entrypoint: [ '/bin/sh', '-c' ]
-      command: |
-        "
-        # blocks until kafka is reachable
-        kafka-topics --bootstrap-server kafka:29092 --list
+    networks:
+      - vpn
+    image: confluentinc/cp-kafka:7.4.0
+    depends_on:
+      - kafka
+    entrypoint: [ '/bin/sh', '-c' ]
+    command: |
+      "
+      # blocks until kafka is reachable
+      kafka-topics --bootstrap-server kafka:29092 --list
 
-        echo -e 'Creating kafka topics'
-        kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic commands --replication-factor 1 --partitions 1
-        kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic data --replication-factor 1 --partitions 1
-        kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic response --replication-factor 1 --partitions 1
+      echo -e 'Creating kafka topics'
+      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic commands --replication-factor 1 --partitions 1
+      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic data --replication-factor 1 --partitions 1
+      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic response --replication-factor 1 --partitions 1
 
-        echo -e 'Successfully created the following topics:'
-        kafka-topics --bootstrap-server kafka:29092 --list
-        "
+      echo -e 'Successfully created the following topics:'
+      kafka-topics --bootstrap-server kafka:29092 --list
+      "
   kafka-ui:
     networks:
       - vpn
@@ -113,8 +113,31 @@ services:
       KAFKA_CLUSTERS_0_NAME: local
       KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka:29092
       KAFKA_CLUSTERS_0_METRICS_PORT: 9997
+  manager:
+    networks:
+      - vpn
+    build:
+      context: .
+      dockerfile: ./GreenhouseManager/Dockerfile
+    environment:
+      KAFKA_URL: kafka:29092
+    depends_on:
+      - kafka
+    expose:
+      - 20002
+  detector:
+    networks:
+      - vpn
+    build:
+      context: .
+      dockerfile: ./GreenhouseDetector/Dockerfile
+    environment:
+      MANAGER_URL: http://manager:20002
+    depends_on:
+      - manager
+
 volumes:
   postgres_data:
     driver: local
-  cloud-redis: 
-    driver: local
+  cloud-redis:
+    driver: local

requirements.txt

@@ -0,0 +1,3 @@
+kafka-python~=2.0.2
+Flask~=3.0.3
+requests~=2.31.0