Add foureighty logs

nixos/common-services.nix

@@ -1,8 +1,14 @@
 { config, pkgs, ... }:
 {
-  virtualisation.oci-containers.containers.meditate = {
-    image = "meditate";
-    ports = [ "80:80" ];
+  systemd.services.promtail = {
+    description = "Promtail service for Loki";
+    wantedBy = [ "multi-user.target" ];
+
+    serviceConfig = {
+      ExecStart = ''
+          ${pkgs.grafana-loki}/bin/promtail --config.file ${./promtail.yaml}
+      '';
+    };
   };
 
   services = {

nixos/promtail.yaml

@@ -0,0 +1,20 @@
+server:
+  http_listen_port: 28183
+  grpc_listen_port: 0
+
+positions:
+  filename: /tmp/positions.yaml
+
+clients:
+  - url: http://vultr1.local:3100/loki/api/v1/push
+
+scrape_configs:
+  - job_name: journal
+    journal:
+      max_age: 12h
+      labels:
+        job: systemd-journal
+        host: foureighty
+    relabel_configs:
+      - source_labels: ["__journal__systemd_unit"]
+        target_label: "unit"