nixos/mimir: add test

nixos/tests/all-tests.nix

@@ -170,6 +170,7 @@ in
   frr = handleTest ./frr.nix {};
   fsck = handleTest ./fsck.nix {};
   ft2-clone = handleTest ./ft2-clone.nix {};
+  grafana-mimir = handleTest ./grafana-mimir.nix {};
   gerrit = handleTest ./gerrit.nix {};
   geth = handleTest ./geth.nix {};
   ghostunnel = handleTest ./ghostunnel.nix {};

nixos/tests/grafana-mimir.nix

@@ -0,0 +1,50 @@
+import ./make-test-python.nix ({ pkgs, ... }: {
+  name = "grafana-mimir";
+  nodes = {
+    server = { ... }: {
+      environment.systemPackages = [ pkgs.jq ];
+      services.mimir.enable = true;
+      services.mimir.configuration = {
+        ingester.ring.replication_factor = 1;
+      };
+
+      services.telegraf.enable = true;
+      services.telegraf.extraConfig = {
+        agent.interval = "1s";
+        agent.flush_interval = "1s";
+        inputs.exec = {
+          commands = [
+            "${pkgs.coreutils}/bin/echo 'foo i=42i'"
+          ];
+          data_format = "influx";
+        };
+        outputs = {
+          http = {
+            # test remote write
+            url = "http://localhost:8080/api/v1/push";
+
+            # Data format to output.
+            data_format = "prometheusremotewrite";
+
+            headers = {
+              Content-Type = "application/x-protobuf";
+              Content-Encoding = "snappy";
+              X-Scope-OrgID = "nixos";
+              X-Prometheus-Remote-Write-Version = "0.1.0";
+            };
+          };
+        };
+      };
+    };
+  };
+
+  testScript = ''
+    start_all()
+    server.wait_for_unit("mimir.service")
+    server.wait_for_unit("telegraf.service")
+    server.wait_for_open_port(8080)
+    server.wait_until_succeeds(
+        "curl -H 'X-Scope-OrgID: nixos' http://127.0.0.1:8080/prometheus/api/v1/label/host/values | jq -r '.data[0]' | grep server"
+    )
+  '';
+})

pkgs/servers/monitoring/mimir/default.nix

@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub, nixosTests }:
 buildGoModule rec {
   pname = "mimir";
   version = "2.1.0";
@@ -17,6 +17,10 @@ buildGoModule rec {
     "cmd/mimirtool"
   ];
 
+  passthru.tests = {
+    inherit (nixosTests) grafana-mimir;
+  };
+
   ldflags = let t = "github.com/grafana/mimir/pkg/util/version";
   in [
     ''-extldflags "-static"''