improve a bit the monitor infrastructure for containers

nixos/components/monitor/container.nix

@@ -4,15 +4,12 @@ with types;
 {
   imports = [ ./default.nix ];
 
-  options.components.monitor.container.promtail.port = mkOption {
-    type = int;
-  };
-
   config = {
     components.monitor.enable = mkDefault true;
     components.monitor.metrics.enable = mkDefault false;
-    components.monitor.promtail.port = config.components.monitor.container.promtail.port;
+    components.monitor.opentelemetry.enable = false;
-    components.monitor.opentelemetry.exporter.endpoint = mkDefault "127.0.0.1:4317";
+
+    services.journald.extraConfig = "SystemMaxUse=1G";
   };
 
 }

nixos/components/monitor/logs-promtail.nix

@@ -19,8 +19,7 @@ in
 
   config = mkMerge [
 
-    (mkIf config.components.monitor.promtail.enable {
+    (mkIf config.components.monitor.opentelemetry.enable {
-
       services.opentelemetry-collector.settings = {
         receivers.loki = {
           protocols.http.endpoint = "127.0.0.1:${toString cfg.port}";
@@ -28,7 +27,9 @@ in
         };
         service.pipelines.logs.receivers = [ "loki" ];
       };
+    })
 
+    (mkIf config.components.monitor.promtail.enable {
       services.promtail = {
         enable = true;
         configuration = {

nixos/components/monitor/opentelemetry.nix

@@ -6,6 +6,11 @@ let
 in
 {
   options.components.monitor.opentelemetry = {
+    enable = mkOption {
+      type = bool;
+      default = config.components.monitor.enable;
+      description = "weather or not to use opentelemetry";
+    };
     receiver.endpoint = mkOption {
       type = nullOr str;
       default = null;
@@ -30,7 +35,7 @@ in
 
   config = mkMerge [
 
-    (mkIf config.components.monitor.enable {
+    (mkIf config.components.monitor.opentelemetry.enable {
       services.opentelemetry-collector = {
         enable = true;
         package = pkgs.unstable.opentelemetry-collector-contrib;

nixos/machines/orbi/media-nextcloud.nix

@@ -90,9 +90,7 @@ in
     config = { config, lib, ... }: {
       nixpkgs.pkgs = pkgs;
       imports = [ ../../components/monitor/container.nix ];
-      components.monitor.container.promtail.port = 3502;
       system.stateVersion = "23.11";
-      services.journald.extraConfig = "SystemMaxUse=1G";
 
       # Configuring nameservers for containers is currently broken.
       # Therefore in some cases internet connectivity can be broken inside the containers.

nixos/machines/orbi/media-transmission2.nix

@@ -26,9 +26,7 @@ in
     config = { config, lib, ... }: {
       nixpkgs.pkgs = pkgs;
       imports = [ ../../components/monitor/container.nix ];
-      components.monitor.container.promtail.port = 3505;
       system.stateVersion = "21.05";
-      services.journald.extraConfig = "SystemMaxUse=1G";
 
       # allow transmission to write in syncthing folders
       users.groups.syncthing = {

nixos/machines/orbi/service-photoprism.nix

@@ -16,9 +16,7 @@ in
     config = { config, lib, ... }: {
       nixpkgs.pkgs = pkgs;
       imports = [ ../../components/monitor/container.nix ];
-      components.monitor.container.promtail.port = 3503;
       system.stateVersion = "23.11";
-      services.journald.extraConfig = "SystemMaxUse=1G";
 
       # Photoprism
       # ----------

nixos/machines/orbi/social-matrix-terranix.nix

@@ -71,7 +71,6 @@ in
     config = { config, lib, ... }: {
       nixpkgs.pkgs = pkgs;
       imports = [ ../../components/monitor/container.nix ];
-      components.monitor.container.promtail.port = 3504;
       system.stateVersion = "23.11";
 
       services.postgresql = {