From 0cab974724482cb1f9a12db9313b238b7abbfbff Mon Sep 17 00:00:00 2001
From: Ingolf Wagner <contact@ingolf-wagner.de>
Date: Thu, 2 Feb 2023 20:13:10 +0100
Subject: [PATCH] wip on loki

---
 nixos/components/network/tinc/private.nix |  2 +
 nixos/machines/pepe/configuration.nix     |  2 +
 nixos/machines/pepe/loki-promtail.nix     |  6 ++
 nixos/machines/pepe/loki.nix              | 96 +++++++++++++++++++++++
 4 files changed, 106 insertions(+)
 create mode 100644 nixos/machines/pepe/loki-promtail.nix
 create mode 100644 nixos/machines/pepe/loki.nix

diff --git a/nixos/components/network/tinc/private.nix b/nixos/components/network/tinc/private.nix
index 03f7da8..2a0ef4a 100644
--- a/nixos/components/network/tinc/private.nix
+++ b/nixos/components/network/tinc/private.nix
@@ -17,6 +17,8 @@ let
   subDomains = {
     "transmission.robi" = hosts.robi;
     "transmission2.robi" = hosts.robi;
+    "loki.robi" = hosts.robi;
+    "loki.pepe" = hosts.pepe;
   };
   network = "private";
 in
diff --git a/nixos/machines/pepe/configuration.nix b/nixos/machines/pepe/configuration.nix
index 5d8341c..2d3d4b9 100644
--- a/nixos/machines/pepe/configuration.nix
+++ b/nixos/machines/pepe/configuration.nix
@@ -23,6 +23,8 @@
     ./jellyfin.nix
     ./wireguard.nix
 
+    #./loki.nix
+
   ];
 
   sops.defaultSopsFile = ../../secrets/pepe.yaml;
diff --git a/nixos/machines/pepe/loki-promtail.nix b/nixos/machines/pepe/loki-promtail.nix
new file mode 100644
index 0000000..1333110
--- /dev/null
+++ b/nixos/machines/pepe/loki-promtail.nix
@@ -0,0 +1,6 @@
+{
+  services.promtail = {
+    enable = true;
+    configuration = { };
+  };
+}
diff --git a/nixos/machines/pepe/loki.nix b/nixos/machines/pepe/loki.nix
new file mode 100644
index 0000000..d6ed161
--- /dev/null
+++ b/nixos/machines/pepe/loki.nix
@@ -0,0 +1,96 @@
+{ config, pkgs, ... }:
+{
+
+  services.loki = {
+    enable = true;
+    configuration = {
+      server.http_listen_port = 3100;
+      auth_enabled = false;
+
+      ingester = {
+        lifecycler = {
+          address = "127.0.0.1";
+          ring = {
+            kvstore = {
+              store = "inmemory";
+            };
+            replication_factor = 1;
+          };
+        };
+        chunk_idle_period = "1h";
+        max_chunk_age = "1h";
+        chunk_target_size = 999999;
+        chunk_retain_period = "30s";
+        max_transfer_retries = 0;
+      };
+
+      schema_config = {
+        configs = [{
+          from = "2022-06-06";
+          store = "boltdb-shipper";
+          object_store = "filesystem";
+          schema = "v11";
+          index = {
+            prefix = "index_";
+            period = "24h";
+          };
+        }];
+      };
+
+      storage_config = {
+        boltdb_shipper = {
+          active_index_directory = "/var/lib/loki/boltdb-shipper-active";
+          cache_location = "/var/lib/loki/boltdb-shipper-cache";
+          cache_ttl = "24h";
+          shared_store = "filesystem";
+        };
+
+        filesystem = {
+          directory = "/var/lib/loki/chunks";
+        };
+      };
+
+      limits_config = {
+        reject_old_samples = true;
+        reject_old_samples_max_age = "168h";
+      };
+
+      chunk_store_config = {
+        max_look_back_period = "0s";
+      };
+
+      table_manager = {
+        retention_deletes_enabled = false;
+        retention_period = "0s";
+      };
+
+      compactor = {
+        working_directory = "/var/lib/loki";
+        shared_store = "filesystem";
+        compactor_ring = {
+          kvstore = {
+            store = "inmemory";
+          };
+        };
+      };
+    };
+    # user, group, dataDir, extraFlags, (configFile)
+  };
+
+  #services.nginx = {
+  #  enable = true;
+  #  virtualHosts.loki = {
+  #    serverName = "loki.pepe.private";
+  #    locations."/" = {
+  #      proxyWebsockets = true;
+  #      proxyPass = "http://127.0.0.1:3100";
+  #      #extraConfig = ''
+  #      #  access_log off;
+  #      #  allow ${config.tinc.private.subnet};
+  #      #  deny all;
+  #      #'';
+  #    };
+  #  };
+  #};
+
+}