1 files changed, 56 insertions, 0 deletions
diff --git a/prometheus_pgbouncer_exporter/exposition.py b/prometheus_pgbouncer_exporter/exposition.py
new file mode 100644
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+++ b/prometheus_pgbouncer_exporter/exposition.py
@@ -0,0 +1,56 @@
+#!/usr/bin/python3
+
+# Copyright (C) 2015  Christopher Baines <mail@cbaines.net>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from prometheus_client.exposition import MetricsHandler
+
+index_page = """
+<!doctype html>
+
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+
+  <title>Prometheus PgBouncer Exporter</title>
+</head>
+
+<body>
+  <h1>PgBouncer exporter for Prometheus</h1>
+
+  <p>
+    This is a simple exporter for PgBouncer that makes several metrics
+    available to Prometheus.
+  </p>
+
+  <p>
+    Metrics are exported from the SHOW LISTS, STATS, POOLS and DATABASE comand
+    output.
+  </p>
+
+  <a href="/metrics">View metrics</a>
+</body>
+</html>
+"""
+
+
+class RequestHandler(MetricsHandler):
+    def do_GET(self):
+        if self.path == "/metrics":
+            return super().do_GET()
+        else:
+            self.send_response(200)
+            self.end_headers()
+            self.wfile.write(index_page.encode('UTF-8'))