add initial prometheus deployment

1 files changed, 46 insertions, 0 deletions

diff --git a/modules/monitoring/default.nix b/modules/monitoring/default.nix
new file mode 100644
index 0000000..ef27c7c
--- /dev/null
+++ b/modules/monitoring/default.nix
@@ -0,0 +1,46 @@
+{ self, config, lib, pkgs, ... }:
+
+with self.lib.nginx;
+{
+  services.prometheus = {
+    enable = true;
+    enableReload = true;
+    retentionTime = "14d";
+
+    listenAddress = "10.10.0.1";
+    webExternalUrl = "https://prometheus.vapor.systems";
+
+    exporters = {
+      node = {
+        enable = true;
+        enabledCollectors = [ "systemd" ];
+      };
+    };
+
+    globalConfig = {
+      scrape_interval = "10s";
+    };
+
+    scrapeConfigs = [
+      { 
+        job_name = "node"; 
+        static_configs = [
+          { targets = [ "localhost:${toString config.services.prometheus.exporters.node.port}" ]; }
+        ]; 
+      }
+    ];
+  };
+
+  security.acme.certs = {
+    "vapor.systems" = {
+      extraDomainNames = [ "*.vapor.systems" ];
+    };
+  };
+
+  services.nginx = {
+    enable = true;
+    virtualHosts = {
+      "prometheus.vapor.systems" = (proxyDomain "vapor.systems" "http://10.10.0.1:9090/");
+    };
+  };
+}