1 linux Borodin

application/app.py

@@ -0,0 +1,29 @@
+from flask import Flask, request, jsonify
+
+app = Flask(__name__)
+
+@app.route('/get', methods=['GET'])
+def get_handler():
+    return jsonify({
+        'method': 'GET',
+        'message': 'GET request received'
+    })
+
+@app.route('/post', methods=['POST'])
+def post_handler():
+    return jsonify({
+        'method': 'POST',
+        'message': 'POST request received',
+        'data': request.get_json(silent=True)
+    })
+
+@app.route('/put', methods=['PUT'])
+def put_handler():
+    return jsonify({
+        'method': 'PUT',
+        'message': 'PUT request received',
+        'data': request.get_json(silent=True)
+    })
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000)

configs/linux-a-netplan.yaml

@@ -0,0 +1,9 @@
+network:
+  version: 2
+  ethernets:
+    enp0s3:
+      dhcp4: true
+    enp0s8:
+      dhcp4: false
+      addresses:
+        - 192.168.11.10/24

configs/linux-b-netplan.yaml

@@ -0,0 +1,13 @@
+network:
+  version: 2
+  ethernets:
+    enp0s3:
+      dhcp4: true
+    enp0s8:
+      dhcp4: false
+      addresses:
+        - 192.168.11.1/24
+    enp0s9:
+      dhcp4: false
+      addresses:
+        - 192.168.5.1/24

configs/linux-c-netplan.yaml

@@ -0,0 +1,12 @@
+network:
+  version: 2
+  ethernets:
+    enp0s3:
+      dhcp4: true
+    enp0s8:
+      dhcp4: false
+      addresses:
+        - 192.168.5.100/24
+      routes:
+        - to: default
+          via: 192.168.5.1

configs/rules.v4

@@ -0,0 +1,7 @@
+*filter
+:INPUT ACCEPT [0:0]
+:FORWARD DROP [0:0]
+:OUTPUT ACCEPT [0:0]
+-A FORWARD -i enp0s9 -o enp0s8 -p tcp --dport 5000 -j ACCEPT
+-A FORWARD -i enp0s8 -o enp0s9 -p tcp --sport 5000 -j ACCEPT
+COMMIT

configs/sysctl-b.conf

@@ -0,0 +1 @@
+net.ipv4.ip_forward=1

configs/web-server.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Flask Web Server
+After=network.target
+
+[Service]
+User=borodin_1
+WorkingDirectory=/home/borodin_1/application
+ExecStart=/usr/bin/python3 /home/borodin_1/application/app.py
+Restart=always
+
+[Install]
+WantedBy=multi-user.target