1 files changed, 38 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/servers/monitoring/loki/default.nix b/nixpkgs/pkgs/servers/monitoring/loki/default.nix
new file mode 100644
index 000000000000..668695aa8df2
--- /dev/null
+++ b/nixpkgs/pkgs/servers/monitoring/loki/default.nix
@@ -0,0 +1,38 @@
+{ stdenv, buildGoPackage, fetchFromGitHub, makeWrapper, systemd }:
+
+buildGoPackage rec {
+  version = "1.5.0";
+  pname = "grafana-loki";
+  goPackagePath = "github.com/grafana/loki";
+
+  doCheck = true;
+
+  src = fetchFromGitHub {
+    rev = "v${version}";
+    owner = "grafana";
+    repo = "loki";
+    sha256 = "137lnd69p8qfg2z8l32dr1mrk2lhrxjx392xfij11sy5i9blfc3n";
+  };
+
+  postPatch = ''
+    substituteInPlace pkg/distributor/distributor_test.go --replace \
+      '"eth0", "en0", "lo0"' \
+      '"lo"'
+  '';
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = stdenv.lib.optionals stdenv.isLinux [ systemd.dev ];
+
+  preFixup = stdenv.lib.optionalString stdenv.isLinux ''
+    wrapProgram $out/bin/promtail \
+      --prefix LD_LIBRARY_PATH : "${systemd.lib}/lib"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Like Prometheus, but for logs";
+    license = licenses.asl20;
+    homepage = "https://grafana.com/oss/loki/";
+    maintainers = with maintainers; [ willibutz globin mmahut ];
+    platforms = platforms.unix;
+  };
+}