From 34b5e5f21b72e4423f15f0deacd1788ccc3e4d98 Mon Sep 17 00:00:00 2001
From: Erwin Boskma <erwin@datarift.nl>
Date: Wed, 8 May 2024 15:54:35 +0200
Subject: [PATCH] valkyrie: Configure promtail

---
 machines/valkyrie/configuration.nix    |  1 +
 machines/valkyrie/promtail/default.nix | 35 ++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 machines/valkyrie/promtail/default.nix

diff --git a/machines/valkyrie/configuration.nix b/machines/valkyrie/configuration.nix
index e3fd347..40d1845 100644
--- a/machines/valkyrie/configuration.nix
+++ b/machines/valkyrie/configuration.nix
@@ -10,6 +10,7 @@
     ./blocky
     ./coredns
     ./kea
+    ./promtail
     ./unbound
   ];
 
diff --git a/machines/valkyrie/promtail/default.nix b/machines/valkyrie/promtail/default.nix
new file mode 100644
index 0000000..c4abe59
--- /dev/null
+++ b/machines/valkyrie/promtail/default.nix
@@ -0,0 +1,35 @@
+{
+  services.promtail = {
+    enable = true;
+    configuration = {
+      clients = [ { url = "http://saga:3100/loki/api/v1/push"; } ];
+      positions = {
+        filename = "/tmp/positions.yaml";
+      };
+
+      scrape_configs = [
+        {
+          job_name = "journal";
+          journal = {
+            labels = {
+              host = "valkyrie";
+              job = "systemd-journal";
+            };
+            max_age = "24h";
+          };
+          relabel_configs = [
+            {
+              source_labels = [ "__journal__systemd_unit" ];
+              target_label = "unit";
+            }
+          ];
+        }
+      ];
+
+      server = {
+        grpc_listen_port = 0;
+        http_listen_port = 28183;
+      };
+    };
+  };
+}