initial commit

.gitignore

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+.git
+.idea
+venv
+__pycache__

flask_webhook_server.py

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+#!/usr/bin/env python3
+from flask import Flask, request, Response
+from twilio_send import send_sms
+import datetime
+
+app = Flask(__name__)
+
+@app.route('/grafana_webhook', methods=['POST'])
+def respond_2_grafana():
+    print(request.json)
+    allowed_Url = 'https://grafana.home:443/'    # Basic source authentication, fill with the URL of your Grafana server
+    allowed_remote_addr = ["127.0.0.1"]          # Only webhooks form these addresses are allowed to send SMS
+    payload = f"Grafana alert: {datetime.datetime.now().strftime('%d-%m-%Y %H:%M:%S')}\n\n" \
+              f"Alert type: \"{request.json['ruleName']}\"\n\n" \
+              f"Alert state: \"{request.json['state']}\"\n\n" \
+              f"Message: \"{request.json['message']}\"\n\n" \
+              f"Metric.     Value.\n"
+    for metric in request.json['evalMatches']:
+        payload += f"{metric['metric']}     {metric['value']}\n"
+    if request.json["ruleUrl"].startswith(allowed_Url) and request.remote_addr in allowed_remote_addr:
+        send_sms(payload)
+    else:
+        print(f"Bad request source. {request.remote_addr} / {request.json['ruleUrl']}")
+        return Response(status=418)
+    return Response(status=200)

requirements.txt

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+twilio
+flask

run.sh

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+#!/usr/bin/env bash
+
+source ./venv/bin/activate
+export FLASK_APP=flask_webhook_server.py
+
+if [[ -z "$APP_DEPLOYMENT_TYPE" ]]; then
+  export APP_DEPLOYMENT_TYPE=private
+  echo -e "APP_DEPLOYMENT_TYPE not set \nIn order to set it to public: \"export APP_DEPLOYMENT_TYPE=public\""
+fi
+
+if [[ "$APP_DEPLOYMENT_TYPE" == "public" ]]; then
+  echo -e "Running app in \"Public mode\", app is exposed to the network!"
+  /usr/bin/env python -m flask run --host=0.0.0.0
+else
+  echo -e "Running app in \"Private mode\", app is NOT exposed to the network and only available to localhost."
+  /usr/bin/env python -m flask run
+fi

secrets.env.sample

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+[TWILIO]
+account_sid = YOUR_ACCOUNT_SID
+auth_token = YOUR_ACCOUNT_TOKEN
+from_nr = YOUR_SENDER_NUMBER
+to_nr = RECIVER_NUMBER

setup.sh

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+#!/bin/bash
+
+echo "Creating virtual environment."
+python3 -m venv ./venv
+
+echo "Activating virtual environment."
+source ./venv/bin/activate
+
+echo "Installing packages to virtual environment."
+pip3 install -r ./requirements.txt
+
+echo "We are done here."

twilio_send.py

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+#!/usr/bin/env python3
+import os
+from twilio.rest import Client
+import configparser
+
+config = configparser.ConfigParser()
+config.read("secrets.env")
+
+account_sid = config["TWILIO"]["account_sid"]
+auth_token = config["TWILIO"]["auth_token"]
+reciver_number = config["TWILIO"]["to_nr"]
+sender_number = config["TWILIO"]["from_nr"]
+client = Client(account_sid, auth_token)
+
+
+def send_sms(payload):
+    message = client.messages \
+                    .create(
+                         body=payload,
+                         from_=sender_number,
+                         to=reciver_number
+                     )
+
+    print(message.status)