all: reformat caddy logs

hosts/layne/services/apps/jellyfin.nix

@@ -1,13 +1,19 @@
-_: {
+_:
+let
+  inherit (import ../../../shared/caddy-helpers.nix) logFormat;
+in
+{
   services = {
     caddy = {
       virtualHosts = {
         "jellyfin.local.adtya.xyz" = {
+          logFormat = logFormat "jellyfin.local.adtya.xyz";
           extraConfig = ''
             reverse_proxy 127.0.0.1:8096
           '';
         };
         "jellyfin.labs.adtya.xyz" = {
+          logFormat = logFormat "jellyfin.labs.adtya.xyz";
           extraConfig = ''
             reverse_proxy 127.0.0.1:8096
           '';

hosts/layne/services/apps/transmission.nix

@@ -1,7 +1,12 @@
-{ pkgs, ... }: {
+{ pkgs, ... }:
+let
+  inherit (import ../../../shared/caddy-helpers.nix) logFormat;
+in
+{
   services = {
     caddy = {
       virtualHosts."transmission.labs.adtya.xyz" = {
+        logFormat = logFormat "transmission.labs.adtya.xyz";
         extraConfig = ''
           reverse_proxy 127.0.0.1:9091
         '';

hosts/shared/caddy-helpers.nix

@@ -0,0 +1,11 @@
+{
+  logFormat = fileName: ''
+    output file /var/log/caddy/${fileName}.log {
+      roll_size 100MiB
+      roll_keep 5
+      roll_keep_for 100d
+    }
+    format json
+    level INFO
+  '';
+}

hosts/shared/caddy.nix

@@ -1,4 +1,8 @@
-{ config, inputs, pkgs, ... }: {
+{ config, inputs, pkgs, ... }:
+let
+  inherit (import ./caddy-helpers.nix) logFormat;
+in
+{
   sops = {
     secrets = {
       "caddy/env_file" = {
@@ -15,7 +19,7 @@
     globalConfig = ''
       acme_dns digitalocean {env.DO_API_TOKEN}
     '';
-    logFormat = "level INFO";
+    logFormat = logFormat "caddy_main";
   };
   systemd.services.caddy.serviceConfig.EnvironmentFile = config.sops.secrets."caddy/env_file".path;
   networking.firewall.allowedTCPPorts = [ 80 443 ];

hosts/shared/prometheus-exporters.nix

@@ -1,7 +1,16 @@
-{ lib, config, ... }: {
+{ lib, config, ... }:
+let
+  inherit (import ./caddy-helpers.nix) logFormat;
+in
+{
   services = {
-    caddy = {
+    caddy =
-      virtualHosts."${config.networking.hostName}.labs.adtya.xyz" = {
+      let
+        vHost = "${config.networking.hostName}.labs.adtya.xyz";
+      in
+      {
+        virtualHosts."${vHost}" = {
+          logFormat = logFormat vHost;
           extraConfig = ''
             metrics /caddy-metrics
             handle /metrics {