telemetry: removed promtail in favor of Alloy

system/services/telemetry/alloy.nix

@@ -94,19 +94,59 @@ in
 
         loki.write "default" {
           endpoint {
-            url = "http://${lokiConfig.server.http_listen_address}:${toString lokiConfig.server.http_listen_port}"
+            url = "http://${lokiConfig.server.http_listen_address}:${toString lokiConfig.server.http_listen_port}/loki/api/v1/push"
           }
         }
 
+        loki.relabel "journal" {
+            forward_to = []
+            rule {
+                source_labels = ["__journal__systemd_unit"]
+                target_label  = "unit"
+            }
+            rule {
+                source_labels = ["__journal__hostname"]
+                target_label  = "host"
+            }
+            rule {
+                source_labels = [ "__journal__systemd_user_unit" ]
+                target_label = "user_unit"
+            }
+            rule {
+                source_labels = [ "__journal__transport" ]
+                target_label = "transport"
+            }
+            rule {
+                source_labels = [ "__journal_priority_keyword" ]
+                target_label = "severity"
+            }
+        }
+
+        loki.source.journal "read" {
+            forward_to = [loki.write.default.receiver]
+            relabel_rules = loki.relabel.journal.rules
+            labels = {
+                job = "systemd-journal",
+                component = "loki.source.journal",
+            }
+        }
+
         otelcol.exporter.otlp "tempo" {
             client {
                 endpoint = "${tempoServer.http_listen_address}:${toString tempoServer.http_listen_port}"
             }
         }
 
+        prometheus.exporter.unix "system" {}
+
+        prometheus.scrape "system" {
+            targets     = prometheus.exporter.unix.system.targets
+            forward_to  = [prometheus.remote_write.mimir.receiver]
+        }
+
         prometheus.remote_write "mimir" {
             endpoint {
-                url = "http://${mimirServer.http_listen_address}:${toString mimirServer.http_listen_port}"
+                url = "http://${mimirServer.http_listen_address}:${toString mimirServer.http_listen_port}/api/v1/push"
             }
         }
       '';

system/services/telemetry/loki.nix

@@ -39,74 +39,6 @@ in
       reverse_proxy ${server.http_listen_address}:${toString server.http_listen_port}
     '';
 
-
-    systemd.tmpfiles.settings = {
-      "promtail-dir" = {
-        "/var/lib/promtail" = {
-          d = {
-            group = "promtail";
-            mode = "0755";
-            user = "promtail";
-          };
-        };
-      };
-    };
-
-    services.promtail = {
-      enable = true;
-      configuration = {
-        server = {
-          http_listen_port = 3031;
-          grpc_listen_port = 0;
-        };
-        clients = [
-          {
-            url = "http://${server.http_listen_address}:${toString server.http_listen_port}/loki/api/v1/push";
-          }
-        ];
-        positions = {
-          filename = "/var/lib/promtail/positions.yaml";
-        };
-        scrape_configs = [
-          {
-            job_name = "systemd-journal";
-            relabel_configs = [
-              {
-                source_labels = [ "__journal__hostname" ];
-                target_label = "host";
-              }
-              {
-                source_labels = [ "__journal__systemd_unit" ];
-                target_label = "systemd_unit";
-                regex = ''(.+)'';
-              }
-              {
-                source_labels = [ "__journal__systemd_user_unit" ];
-                target_label = "systemd_user_unit";
-                regex = ''(.+)'';
-              }
-              {
-                source_labels = [ "__journal__transport" ];
-                target_label = "transport";
-                regex = ''(.+)'';
-              }
-              {
-                source_labels = [ "__journal_priority_keyword" ];
-                target_label = "severity";
-                regex = ''(.+)'';
-              }
-            ];
-            journal = {
-              labels = {
-                job = "systemd-journal";
-              };
-              path = "/var/log/journal";
-            };
-          }
-        ];
-      };
-    };
-
     services.loki =
       let
         dataDir = config.services.loki.dataDir;