grafana, prometheus

server/mods/sysd.nix

@@ -1,12 +1,36 @@
 { config, lib, pkgs, ... }:
 {
+  services = {
+    prometheus = {
+      enable = true;
+      exporters.node.enable = true;
+      scrapeConfigs = [ {
+        job_name = "node";
+        static_configs = [ { targets = [
+          "localhost:${toString config.services.prometheus.exporters.node.port}"
+        ]; } ];
+      } ];
+    };
+    grafana = {
+      enable = true;
+      settings = {
+        security.secret_key = "$__file{/secrets/grafana-key}";
+        server = {
+          enable_gzip = true;
+          protocol = "socket";
+          socket_mode = "0666";
+          root_url = "https://bogaledev.ru/grafana";
+        };
+      };
+    };
+  };
   systemd = {
     timers = {
       tgbot-send = {
         wantedBy = [ "timers.target" ];
         timerConfig = {
-          OnCalendar = "*-*-01 16:00:00";
           Persistent = true;
+          OnCalendar = "*-*-01 16:00:00";
         };
       };
       network-watchdog = {
@@ -35,7 +59,7 @@
       network-watchdog = {
         serviceConfig = {
           Type = "oneshot";
-          LogLevelMax = "notice";
+          LogLevelMax = "warning";
         };
         script = ''
           if [ ! -e /run/network.failures ] || [ ! -e /run/network.limit ] || \
@@ -45,12 +69,11 @@
           else
             limit=$(cat /run/network.limit)
             failures=$((1+$(cat /run/network.failures)))
-            [ $failures -gt 1 ] && echo "<5>failures = $failures"
           fi
           if [ $failures -ge $limit ]; then
             echo "<4>restarting NetworkManager"
             systemctl restart NetworkManager.service
-            [ $limit -lt 60 ] && limit=$((4*$limit/3))
+            [ $limit -lt 360 ] && limit=$((2*$limit))
             failures=0
           fi
           echo $limit > /run/network.limit