working :)

compose.yml

@@ -0,0 +1,31 @@
+services:
+  # Metrics collector
+  prometheus:
+    image: prom/prometheus:latest
+    expose:
+      - 9090
+    volumes:
+      - ./prometheus.yaml:/etc/prometheus/prometheus.yml
+      # persist data
+      - prometheus_storage:/prometheus
+    command: --web.enable-lifecycle --config.file=/etc/prometheus/prometheus.yml
+
+  # log viewer
+  grafana:
+    image: grafana/grafana:latest
+    volumes:
+      - ./grafana.yaml:/etc/grafana/provisioning/datasources/datasources.yaml
+      - grafana_storage:/var/lib/grafana
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
+      - GF_AUTH_DISABLE_LOGIN_FORM=true
+      - GF_FEATURE_TOGGLES_ENABLE=traceqlEditor
+    ports:
+      - 3000:3000
+    depends_on:
+      - prometheus
+
+volumes:
+  prometheus_storage:
+  grafana_storage:

grafana.yaml

@@ -13,12 +13,3 @@ datasources:
   editable: false
   jsonData:
     httpMethod: GET
-- name: Loki
-  type: loki
-  access: proxy 
-  orgId: 1
-  url: http://loki:3100
-  basicAuth: false
-  isDefault: false
-  version: 1
-  editable: false

main.py

@@ -0,0 +1,46 @@
+import time
+import board
+import adafruit_dht
+from http.server import BaseHTTPRequestHandler, HTTPServer
+
+sensor = adafruit_dht.DHT22(board.D21)
+
+hostName = "0.0.0.0"
+serverPort = 7070
+
+class MyServer(BaseHTTPRequestHandler):
+    def do_GET(self):
+        try:
+            # Print the values to the serial port
+            temperature_c = sensor.temperature
+            temperature_f = temperature_c * (9 / 5) + 32
+            humidity = sensor.humidity
+            self.send_response(200)
+            self.send_header("Content-type", "text/plain")
+            self.end_headers()
+            self.wfile.write(bytes("# TYPE target_info gauge\n", "utf-8"))
+            self.wfile.write(bytes("humidity{{location=\"beddroom\"}} {}\n".format(humidity), "utf-8"))
+
+            self.wfile.write(bytes("# TYPE temperature gauge\n", "utf-8"))
+            self.wfile.write(bytes("temperature{{location=\"beddroom\"}} {}\n".format(temperature_f), "utf-8"))
+
+        except RuntimeError as error:
+            # Errors happen fairly often, DHT's are hard to read, just keep going
+            self.send_response(500)
+            print(error.args[0])
+        except Exception as error:
+            self.send_response(500)
+            sensor.exit()
+            raise error
+
+if __name__ == "__main__":
+    webServer = HTTPServer((hostName, serverPort), MyServer)
+    print("Server started http://%s:%s" % (hostName, serverPort))
+
+    try:
+        webServer.serve_forever()
+    except KeyboardInterrupt:
+        pass
+
+    webServer.server_close()
+    print("Server stopped.")

prometheus.yaml

@@ -3,13 +3,7 @@ global:
   query_log_file: /etc/prometheus/query.log
 
 scrape_configs:
-  - job_name: caddy
+  - job_name: bedroom
     static_configs:
-      - targets: ['caddy:2019']
-  - job_name: node
-    static_configs:
-      # put a list of all the nodes you are monitoring
-      - targets: ['10.0.0.92:9100']
-  - job_name: prometheus
-    static_configs:
-      - targets: ['localhost:9090']
+      - targets: ['192.168.8.79:7070']
+