p-body: add grafana, loki, and prometheus

1 files changed, 37 insertions, 0 deletions

diff --git a/hosts/p-body/promtail.nix b/hosts/p-body/promtail.nix
new file mode 100644
index 0000000..1fa7f35
--- /dev/null
+++ b/hosts/p-body/promtail.nix
@@ -0,0 +1,37 @@
+{config, ...}: {
+  services.promtail = {
+    enable = true;
+    configuration = {
+      server = {
+        http_listen_port = 3031;
+        grpc_listen_port = 0;
+      };
+      positions = {
+        filename = "/tmp/positions.yaml";
+      };
+      clients = [
+        {
+          url = "http://127.0.0.1:${toString config.services.loki.configuration.server.http_listen_port}/loki/api/v1/push";
+        }
+      ];
+      scrape_configs = [
+        {
+          job_name = "journal";
+          journal = {
+            max_age = "12h";
+            labels = {
+              job = "systemd-journal";
+              host = "pihole";
+            };
+          };
+          relabel_configs = [
+            {
+              source_labels = ["__journal__systemd_unit"];
+              target_label = "unit";
+            }
+          ];
+        }
+      ];
+    };
+  };
+}