victoriametrics service

modules/clan/victoria-metrics/default.nix

@@ -0,0 +1,47 @@
+{
+  _class = "clan.service";
+  manifest.name = "Victoria Metrics";
+  manifest.description = "VictoriaMetrics: fast, cost-effective monitoring solution and time series database";
+  manifest.categories = [ "System" ];
+
+  roles.default = {
+    perInstance = {
+      nixosModule =
+        {
+          config,
+          pkgs,
+          ...
+        }:
+        let
+          defaultUser = "victoriametrics";
+        in
+        {
+          clan.core.vars.generators.victoria-metrics = {
+            files = {
+              username = {
+                secret = false;
+              };
+              password = {
+                secret = true;
+                owner = defaultUser;
+                group = defaultUser;
+              };
+            };
+            script = ''
+              echo "admin" > "$out"/username
+              xkcdpass --numwords 4 --delimiter - --count 1 | tr -d "\n" > "$out"/password
+            '';
+            runtimeInputs = [ pkgs.xkcdpass ];
+          };
+          services.victoriametrics = {
+            enable = true;
+            extraOptions = [
+              "-httpAuth.username=file://${config.clan.core.vars.generators.victoria-metrics.files.username.path}"
+              "-httpAuth.password=file://${config.clan.core.vars.generators.victoria-metrics.files.password.path}"
+            ];
+          };
+        };
+    };
+  };
+
+}