initial commit

Dockerfile

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+FROM python:alpine
+
+COPY exporter.py /exporter.py
+
+RUN pip install --no-cache-dir requests
+
+CMD [ "python", "/exporter.py" ]

docker-compose.yml

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+version: '2.1'
+
+services:
+  exporter:
+    build: .
+    restart: unless-stopped
+    environment:
+      UPTIME_ROBOT_APIKEY: u123456-1a2b3c4d5e6f7890abc12323
+    ports:
+      - 9705:9705
+    read_only: true
+    pids_limit: 5

exporter.py

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+import argparse
+import http.server
+import os
+
+
+import requests
+
+
+def fetch_data(api_key):
+    params = {
+        'api_key': api_key,
+        'format': 'json',
+        'response_times': 1,
+        'response_times_limit': 1,
+    }
+    req = requests.post(
+        'https://api.uptimerobot.com/v2/getMonitors',
+        data=params,
+    )
+    return req.json()
+
+
+def format_prometheus(data):
+    result = ''
+    for item in data:
+        result += 'uptimerobot_up{{name="{}",type="{}",url="{}"}} {}\n'.format(
+            item.get('friendly_name'),
+            item.get('type'),
+            item.get('url'),
+            1 if item.get('status', 0) == 2 else 0,
+        )
+        result += 'uptimerobot_response_time{{name="{}",type="{}",url="{}"}} {}\n'.format(
+            item.get('friendly_name'),
+            item.get('type'),
+            item.get('url'),
+            item.get('response_times').pop().get('value'),
+        )
+    return result
+
+
+class ReqHandler(http.server.BaseHTTPRequestHandler):
+    def do_GET(self):
+        answer = fetch_data(api_key)
+        self.send_response(200)
+        self.send_header("Content-type", "text/plain")
+        self.end_headers()
+        self.wfile.write(
+            format_prometheus(answer.get('monitors')).encode('utf-8')
+        )
+
+
+if __name__ == '__main__':
+    if 'UPTIMEROBOT_API_KEY' in os.environ:
+        api_key = os.environ.get('UPTIMEROBOT_API_KEY')
+        server_name = os.environ.get('UPTIMEROBOT_SERVER_NAME', '0.0.0.0')
+        server_port = int(os.environ.get('UPTIMEROBOT_SERVER_PORT', '9705'))
+    else:
+        parser = argparse.ArgumentParser(
+            description='Export all check results from uptimerobot.txt'
+                        'for prometheus scraping.'
+        )
+        parser.add_argument(
+            'apikey',
+            help='Your uptimerobot.com API key. See account details.'
+        )
+        parser.add_argument(
+            '--server_name', '-s', 
+            default='0.0.0.0', 
+            help='Server address to bind to.'
+        )
+        parser.add_argument(
+            '--server_port', '-p',
+            default=9705,
+            type=int,
+            help='Port to bind to.'
+        )
+        args = parser.parse_args()
+        api_key = args.apikey
+        server_name = args.server_name
+        server_port = args.server_port
+    
+    httpd = http.server.HTTPServer((server_name, server_port), ReqHandler)
+    httpd.serve_forever()

requirements.txt

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+requests==2.18.4