From dcebc6afbdde136d66864069152e05344f177559 Mon Sep 17 00:00:00 2001
From: Jonni Liljamo <jonni@liljamo.com>
Date: Sun, 22 Sep 2024 15:42:59 +0300
Subject: [PATCH] feat: cadvisor

---
 roles/cadvisor.nix                | 32 +++++++++++++++++++++++++++++++
 roles/default.nix                 |  1 +
 systems/hosts/metrics/default.nix |  9 +++++++++
 systems/profiles/lxc/roles.nix    |  5 +++++
 4 files changed, 47 insertions(+)
 create mode 100644 roles/cadvisor.nix

diff --git a/roles/cadvisor.nix b/roles/cadvisor.nix
new file mode 100644
index 0000000..2fd0597
--- /dev/null
+++ b/roles/cadvisor.nix
@@ -0,0 +1,32 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.roles.cadvisor;
+in {
+  options.roles.cadvisor = {
+    enable = lib.mkEnableOption "cadvisor";
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 9080;
+    };
+    openFirewall = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "Wheter to open firewall port for cadvisor";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    networking.firewall.allowedTCPPorts = lib.mkIf cfg.openFirewall [
+      cfg.port
+    ];
+
+    services.cadvisor = {
+      enable = true;
+      listenAddress = "0.0.0.0";
+      port = cfg.port;
+    };
+  };
+}
diff --git a/roles/default.nix b/roles/default.nix
index 9a11e44..c05a391 100644
--- a/roles/default.nix
+++ b/roles/default.nix
@@ -7,6 +7,7 @@
     ./audio.nix
     ./base.nix
     ./bluetooth.nix
+    ./cadvisor.nix
     ./docker.nix
     ./git.nix
     ./hyprland.nix
diff --git a/systems/hosts/metrics/default.nix b/systems/hosts/metrics/default.nix
index 90adbd2..aadcc0e 100644
--- a/systems/hosts/metrics/default.nix
+++ b/systems/hosts/metrics/default.nix
@@ -34,6 +34,15 @@ in {
         ];
       }
 
+      {
+        job_name = "cadvisor";
+        static_configs = [
+          {
+            targets = map (x: x + ":9080") (builtins.attrNames (artautil.getDNSEntries "lxc"));
+          }
+        ];
+      }
+
       {
         job_name = "node";
         static_configs = [
diff --git a/systems/profiles/lxc/roles.nix b/systems/profiles/lxc/roles.nix
index 6ca8927..23a255a 100644
--- a/systems/profiles/lxc/roles.nix
+++ b/systems/profiles/lxc/roles.nix
@@ -13,4 +13,9 @@
     };
     systemd.enable = true;
   };
+
+  roles.cadvisor = {
+    enable = true;
+    openFirewall = true;
+  };
 }
-- 
2.44.1