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fabriziofioruccifabriziofiorucci
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feat: Add several demos (#10)
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‎NGINX-API-Steering/README.md

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‎NGINX-API-Steering/apiserver/Dockerfile

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FROM python:3.12-slim
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WORKDIR /app
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COPY requirements.txt .
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RUN pip install --no-cache-dir -r requirements.txt
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COPY apiserver.py .
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EXPOSE 5000
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CMD ["python", "apiserver.py"]

‎NGINX-API-Steering/apiserver/apiserver.py

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#!/usr/bin/python3
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from flask import Flask, request, jsonify
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from datetime import datetime
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import socket
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app = Flask(__name__)
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# curl -ks -X GET https://127.0.0.1:5000/echo_data | jq
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@app.route("/get_data", methods=["GET"])
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def get_data():
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timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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hostname = socket.gethostname()
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data = {
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"timestamp": timestamp,
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"hostname": hostname
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}
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return jsonify(data)
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# curl -ks -X POST https://127.0.0.1:5000/echo_data -d '{"var":123}' -H "Content-Type: application/json"
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@app.route("/echo_data", methods=["POST"])
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def echo_data():
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payload = request.get_json() if request.get_json() != None else ''
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timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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hostname = socket.gethostname()
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return jsonify({"payload": payload, "hostname": hostname, "timestamp": timestamp})
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if __name__ == "__main__":
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app.run(ssl_context="adhoc",host="0.0.0.0", port=5000)

‎NGINX-API-Steering/apiserver/requirements.txt

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Flask
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cryptography

‎NGINX-API-Steering/backend/Dockerfile

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FROM python:3.12-slim
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WORKDIR /app
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COPY requirements.txt .
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RUN pip install --no-cache-dir -r requirements.txt
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COPY backend.py .
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EXPOSE 5000
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CMD ["python", "backend.py"]

‎NGINX-API-Steering/backend/backend.py

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#!/usr/bin/python3
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import json
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from flask import Flask, jsonify, abort, make_response, request
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app = Flask(__name__)
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with open('db.json') as db:
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rules = json.load(db)
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@app.route('/backend/fetchkey/<path:uri>', methods=['GET'])
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def get_key(uri):
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rule = [rule for rule in rules if rule['uri'] == uri]
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if len(rule) == 0:
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abort(404)
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return jsonify({'rule': rule[0]})
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@app.route('/backend/fetchallkeys', methods=['GET'])
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def get_all_keys():
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return jsonify({'rules': rules})
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@app.route('/jwks.json', methods=['GET'])
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def get_jwks():
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return jsonify({"keys": [{ "k":"ZmFudGFzdGljand0", "kty":"oct", "kid":"0001" }]})
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@app.errorhandler(404)
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def not_found(error):
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return make_response(jsonify({'error': 'Not found'}), 404)
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if __name__ == '__main__':
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app.run(host='0.0.0.0')

‎NGINX-API-Steering/backend/db-dockercompose.json

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[
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{
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"id": 1,
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"enabled": true,
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"uri": "v1.0/api_get",
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"matchRules": {
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"method": "GET",
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"roles": "guest"
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},
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"operation": {
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"url": "https://api-server-1:5000/get_data"
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}
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},
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{
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"id": 2,
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"enabled": true,
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"uri": "v1.0/api_post",
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"matchRules": {
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"method": "POST",
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"roles": "devops"
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},
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"operation": {
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"url": "https://api-server-2:5000/echo_data"
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},
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"json": {
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"to_server": {
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"set": [
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{
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"field1": "value1"
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},
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{
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"field2": "value2"
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}
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],
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"del": [
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"group"
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]
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},
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"to_client": {
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"set": [
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{
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"new_response_field": "ADDED"
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}
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],
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"del": [
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"hostname"
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]
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}
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}
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},
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{
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"id": 3,
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"enabled": true,
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"uri": "v1.0/api_post_no_change",
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"matchRules": {
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"method": "POST",
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"roles": "devops"
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},
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"operation": {
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"url": "https://api-server-2:5000/echo_data"
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}
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},
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{
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"id": 4,
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"enabled": true,
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"uri": "v1.0/template_test",
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"matchRules": {
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"method": "POST",
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"roles": "guest"
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},
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"operation": {
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"url": "https://api-server-2:5000/echo_data"
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},
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"template": {
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"name": "",
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"age": 0,
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"address": {
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"street": "",
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"city": ""
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}
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}
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}
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]

‎NGINX-API-Steering/backend/db-k8s.json

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[
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{
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"id": 1,
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"enabled": true,
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"uri": "v1.0/api_get",
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"matchRules": {
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"method": "GET",
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"roles": "guest"
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},
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"operation": {
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"url": "https://api-server-1.nginx-api-steering.svc.cluster.local:5000/get_data"
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}
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},
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{
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"id": 2,
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"enabled": true,
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"uri": "v1.0/api_post",
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"matchRules": {
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"method": "POST",
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"roles": "devops"
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},
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"operation": {
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"url": "https://api-server-2.nginx-api-steering.svc.cluster.local:5000/echo_data"
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},
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"json": {
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"to_server": {
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"set": [
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{
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"field1": "value1"
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},
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{
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"field2": "value2"
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}
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],
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"del": [
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"group"
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]
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},
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"to_client": {
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"set": [
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{
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"new_response_field": "ADDED"
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}
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],
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"del": [
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"hostname"
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]
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}
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}
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},
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{
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"id": 3,
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"enabled": true,
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"uri": "v1.0/api_post_no_change",
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"matchRules": {
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"method": "POST",
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"roles": "devops"
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},
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"operation": {
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"url": "https://api-server-2.nginx-api-steering.svc.cluster.local:5000/echo_data"
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}
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},
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{
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"id": 4,
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"enabled": true,
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"uri": "v1.0/template_test",
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"matchRules": {
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"method": "POST",
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"roles": "guest"
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},
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"operation": {
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"url": "https://api-server-2.nginx-api-steering.svc.cluster.local:5000/echo_data"
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},
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"template": {
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"name": "",
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"age": 0,
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"address": {
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"street": "",
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"city": ""
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}
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}
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}
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]

‎NGINX-API-Steering/backend/requirements.txt

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Flask

‎NGINX-API-Steering/docker-compose.yaml

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version: "3.9"
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services:
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backend:
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container_name: backend
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image: backend
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build:
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context: ./backend
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dockerfile: Dockerfile
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ports:
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- 10000:5000
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networks:
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lab-network:
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ipv4_address: 10.5.0.10
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volumes:
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- ./backend/db-dockercompose.json:/app/db.json:ro
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api-server-1:
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container_name: api-server-1
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image: api-server
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build:
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context: ./apiserver
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dockerfile: Dockerfile
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ports:
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- 5001:5000
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networks:
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lab-network:
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ipv4_address: 10.5.0.11
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api-server-2:
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container_name: api-server-2
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image: api-server
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build:
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context: ./apiserver
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dockerfile: Dockerfile
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ports:
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- 5002:5000
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networks:
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lab-network:
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ipv4_address: 10.5.0.12
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nginx:
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container_name: nginx
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image: nginx-api-steering
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build:
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context: ./nginx
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dockerfile: Dockerfile
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secrets:
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- nginx-crt
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- nginx-key
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ports:
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# Clients access to published REST API
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- 10080:80
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# Admin access to NGINX Plus API and Dashboard
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- 20080:8080
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networks:
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lab-network:
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ipv4_address: 10.5.0.20
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volumes:
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- ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
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- ./nginx/api.conf:/etc/nginx/conf.d/api.conf:ro
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- ./nginx/steering.js:/etc/nginx/conf.d/steering.js:ro
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- ./nginx/steering.conf-dockercompose:/etc/nginx/conf.d/steering.conf:ro
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- /dev/null:/etc/nginx/conf.d/default.conf:ro
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secrets:
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nginx-crt:
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name: nginx-crt
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file: ${NGINX_CERT}
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nginx-key:
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name: nginx-key
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file: ${NGINX_KEY}
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networks:
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lab-network:
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driver: bridge
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ipam:
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config:
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- subnet: 10.5.0.0/24
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gateway: 10.5.0.1

‎NGINX-API-Steering/jwt/jwks.json

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{
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"keys": [
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{
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"k":"ZmFudGFzdGljand0",
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"kty":"oct",
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"kid":"0001"
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}
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]
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}

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