atlas: host grafana + vm

1 files changed, 52 insertions, 0 deletions

diff --git a/systems/atlas/victoria-metrics.nix b/systems/atlas/victoria-metrics.nix
new file mode 100644
index 0000000..25f0e57
--- /dev/null
+++ b/systems/atlas/victoria-metrics.nix
@@ -0,0 +1,52 @@
+{
+  lib,
+  inputs,
+  ...
+}:
+
+let
+  usesNodeExporter = system: system.config.services.prometheus.exporters.node.enable;
+
+  nodeExporterFrom =
+    system:
+    "http://${system.config.networking.hostName}:${toString system.config.services.prometheus.exporters.node.port}";
+
+  toNodeStaticConfig = system: {
+    targets = [ (nodeExporterFrom system) ];
+    labels.type = "node";
+  };
+
+  remoteNodes = lib.mapAttrsToList (lib.const toNodeStaticConfig) (
+    lib.filterAttrs (lib.const usesNodeExporter) inputs.self.nixosConfigurations
+  );
+in
+
+{
+  borealis = {
+    victorialogs = {
+      enable = true;
+    };
+  };
+
+  services = {
+    journald.upload.enable = true;
+
+    prometheus.exporters.node.enable = true;
+
+    victoriametrics = {
+      enable = true;
+
+      retentionPeriod = "7d";
+
+      prometheusConfig = {
+        scrape_configs = [
+          {
+            job_name = "node-exporter";
+            metrics_path = "/metrics";
+            static_configs = remoteNodes;
+          }
+        ];
+      };
+    };
+  };
+}