Add default api base

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
+```

app.py

@@ -0,0 +1,6 @@
+#!/usr/bin/env python3
+
+from uptimestatus import app
+
+if __name__ == "__main__":
+    app.run(debug=True)

uptimestatus/__init__.py

@@ -1,3 +1,13 @@
 #!/usr/bin/env python3
 
+from flask import Flask
+import os
+
+app = Flask(__name__)
+
+app.config["PROMETHEUS_API_BASE"] = "https://[::1]:9090"
+
+if "UPTIMESTATUS_SETTINGS" in os.environ:
+    app.config.from_envvar('UPTIMESTATUS_SETTINGS')
+
 from .views import app

uptimestatus/utils.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+
+def ratio_to_status(ratio):
+    if ratio > 0.99:
+        return "ok"
+    elif ratio > 0.8:
+        return "warning"
+    else:
+        return "critical"
+
+def process_instance(instance):
+    return {
+        "name": instance["metric"]["instance"].split(".")[0],
+        "i": [{"status": "unknown", "ratio": None} for i in range(56 - len(instance["values"]))] + [{"status": ratio_to_status(float(i[1])), "ratio": float(i[1])} for i in instance["values"]],
+    }

uptimestatus/views.py

@@ -1,31 +1,15 @@
 #!/usr/bin/env python3
 
-from flask import Flask, render_template
+from . import app
+from .utils import process_instance
+
+from flask import render_template
 import json
 import requests
 
-app = Flask(__name__)
-
-def ratio_to_status(ratio):
-    if ratio > 0.99:
-        return "ok"
-    elif ratio > 0.8:
-        return "warning"
-    else:
-        return "critical"
-
-def process_instance(instance):
-    return {
-        "name": instance["metric"]["instance"].split(".")[0],
-        "i": [{"status": "unknown", "ratio": None} for i in range(56 - len(instance["values"]))] + [{"status": ratio_to_status(float(i[1])), "ratio": float(i[1])} for i in instance["values"]],
-    }
-
 @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)
-
-if __name__ == "__main__":
-    app.run()