1 files changed, 23 insertions, 0 deletions

diff --git a/hosts/vidhar/prometheus/default.nix b/hosts/vidhar/prometheus/default.nix
index 3fd07bbe..31bc6b07 100644
--- a/hosts/vidhar/prometheus/default.nix
+++ b/hosts/vidhar/prometheus/default.nix
@@ -182,6 +182,29 @@ in {
           scrape_interval = "1s";
         }
       ];
+
+      rules = [
+        (generators.toYAML {
+          groups = [
+            { name = "systemd-starts";
+              rules = [
+                { record = "systemd_unit_runtime_seconds";
+                  expr = "timestamp(systemd_unit_start_time_seconds) - (systemd_unit_start_time_seconds > 0)";
+                }
+                { record = "systemd_unit_runtime_seconds:resets_per_hour";
+                  expr = "resets(systemd_unit_start_time_seconds:uptime[1h])";
+                }
+                { record = "systemd_unit_runtime_seconds:resets_per_day";
+                  expr = "resets(systemd_unit_start_time_seconds:uptime[1d])";
+                }
+                { record = "systemd_unit_runtime_seconds:resets_per_week";
+                  expr = "resets(systemd_unit_start_time_seconds:uptime[1w])";
+                }
+              ];
+            }
+          ];
+        })
+      ];
     };
     users.users.${config.services.prometheus.exporters.unbound.user} = {
       description = "Prometheus unbound exporter service user";