Merge pull request #94673 from justinas/prom-sql-exporter

prometheus-sql-exporter: init at 0.3.0
2020-11-06 17:00:47 +01:00
parent 42e6157599 428fc4e297
commit 68726901e1
5 changed files with 181 additions and 0 deletions
@@ -609,6 +609,50 @@ let
      '';
    };

+    sql = {
+      exporterConfig = {
+        configuration.jobs.points = {
+          interval = "1m";
+          connections = [
+            "postgres://prometheus-sql-exporter@/data?host=/run/postgresql&sslmode=disable"
+          ];
+          queries = {
+            points = {
+              labels = [ "name" ];
+              help = "Amount of points accumulated per person";
+              values = [ "amount" ];
+              query = "SELECT SUM(amount) as amount, name FROM points GROUP BY name";
+            };
+          };
+        };
+        enable = true;
+        user = "prometheus-sql-exporter";
+      };
+      metricProvider = {
+        services.postgresql = {
+          enable = true;
+          initialScript = builtins.toFile "init.sql" ''
+            CREATE DATABASE data;
+            \c data;
+            CREATE TABLE points (amount INT, name TEXT);
+            INSERT INTO points(amount, name) VALUES (1, 'jack');
+            INSERT INTO points(amount, name) VALUES (2, 'jill');
+            INSERT INTO points(amount, name) VALUES (3, 'jack');
+
+            CREATE USER "prometheus-sql-exporter";
+            GRANT ALL PRIVILEGES ON DATABASE data TO "prometheus-sql-exporter";
+            GRANT SELECT ON points TO "prometheus-sql-exporter";
+          '';
+        };
+        systemd.services.prometheus-sql-exporter.after = [ "postgresql.service" ];
+      };
+      exporterTest = ''
+        wait_for_unit("prometheus-sql-exporter.service")
+        wait_for_open_port(9237)
+        succeed("curl http://localhost:9237/metrics | grep -c 'sql_points{' | grep -q 2")
+      '';
+    };
+
    surfboard = {
      exporterConfig = {
        enable = true;