Configure settings by config file

README.md

@@ -1,3 +1,28 @@
 # Uptime Status
 
 Simple status page for server uptime.
+
+## Deployment
+Init codebase
+```
+git clone https://github.com/clerie/uptime-status.git
+cd uptime-status/
+virtualenv -p python3 ENV
+cd ..
+```
+
+Create `config.cfg` with the following contents and edit values for your needs:
+
+```
+PROMETHEUS_API_BASE="http://[::1]:9090"
+```
+
+Starten und updaten lässt sich die Flask-App folgendermaßen:
+```
+cd uptime-status/
+git pull
+source ENV/bin/activate
+pip install -r requirements.txt
+UPTIMESTATUS_SETTINGS=/path/to/config.cfg gunicorn uptimestatus:app
+deactivate
+```

uptimestatus/__init__.py

@@ -4,4 +4,6 @@ from flask import Flask
 
 app = Flask(__name__)
 
+app.config.from_envvar('UPTIMESTATUS_SETTINGS')
+
 from .views import app

uptimestatus/views.py

@@ -9,7 +9,7 @@ import requests
 
 @app.route("/")
 def status():
-    r = requests.get("https://prometheus.monitoring.clerie.de/api/v1/query?query=%28sum_over_time%28up%7Bjob%3D%22node-exporter%22%7D%5B6h%5D%29+%2F+count_over_time%28up%7Bjob%3D%22node-exporter%22%7D%5B6h%5D%29%29%5B14d%3A6h%5D")
+    r = requests.get(app.config["PROMETHEUS_API_BASE"] + "/api/v1/query?query=%28sum_over_time%28up%7Bjob%3D%22node-exporter%22%7D%5B6h%5D%29+%2F+count_over_time%28up%7Bjob%3D%22node-exporter%22%7D%5B6h%5D%29%29%5B14d%3A6h%5D")
     j = json.loads(r.text)
     metrics = sorted(map(process_instance, j["data"]["result"]), key=lambda m: m["name"])
     return render_template("status.html", metrics=metrics)