Flake parts with x64 and ARM support for devshell on both Linux and Mac

nix/monitoring/grafana.nix

@@ -0,0 +1,40 @@
+{ config, pkgs, ... }: {
+  services.grafana = {
+    enable = true;
+    provision = {
+      enable = true;
+      datasources.settings.datasources = [
+        {
+          name = "Prometheus";
+          type = "prometheus";
+          access = "proxy";
+          url = "http://127.0.0.1:${toString config.services.prometheus.port}";
+        }
+        {
+          name = "Loki";
+          type = "loki";
+          access = "proxy";
+          url = "http://127.0.0.1:${toString config.services.loki.configuration.server.http_listen_port}";
+        }
+      ];
+    };
+    settings = {
+      analytics.reporting_enabled = false;
+      server = {
+        domain = "graf.matri.cx";
+        http_addr = "127.0.0.1";
+        http_port = 7000;
+        protocol = "http";
+        root_Url = "http://192.168.0.130:7000";
+      };
+      smtp = {
+        enabled = true;
+
+        from_address = "graf@matri.cx";
+        host = "box.eversole.co:465";
+        user = "graf@matri.cx";
+        password = "$__file{${config.age.secrets.graf-email.path}}";
+      };
+    };
+  };
+}

nix/monitoring/loki.nix

@@ -0,0 +1,76 @@
+{ config, pkgs, ... }: {
+  services.loki = {
+    enable = true;
+    configuration = {
+      server.http_listen_port = 6999;
+      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";
+          };
+        };
+      };
+    };
+  };
+
+}

nix/monitoring/nginx.nix

@@ -0,0 +1,76 @@
+{ config, ... }:
+let
+  hostIP = "192.168.0.130";
+in
+{
+  services.nginx = {
+
+    upstreams = {
+      "grafana" = {
+        servers = {
+          "127.0.0.1:${toString config.services.grafana.settings.server.http_port}" = { };
+        };
+      };
+      "prometheus" = {
+        servers = {
+          "127.0.0.1:${toString config.services.prometheus.port}" = { };
+        };
+      };
+      "loki" = {
+        servers = {
+          "127.0.0.1:${toString config.services.loki.configuration.server.http_listen_port}" = { };
+        };
+      };
+      "promtail" = {
+        servers = {
+          "127.0.0.1:${toString config.services.promtail.configuration.server.http_listen_port}" = { };
+        };
+      };
+    };
+
+    virtualHosts."graf.matri.cx" = {
+      enableACME = true;
+      forceSSL = true;
+      root = "/var/www/graf.matri.cx";
+      locations."/" = {
+        proxyPass = "http://grafana";
+        proxyWebsockets = true;
+      };
+    };
+
+    virtualHosts.grafana = {
+      locations."/" = {
+        proxyPass = "http://grafana";
+        proxyWebsockets = true;
+      };
+      listen = [{
+        addr = hostIP;
+        port = 8010;
+      }];
+    };
+
+    virtualHosts.prometheus = {
+      locations."/".proxyPass = "http://prometheus";
+      listen = [{
+        addr = hostIP;
+        port = 8020;
+      }];
+    };
+
+    virtualHosts.loki = {
+      locations."/".proxyPass = "http://loki";
+      listen = [{
+        addr = hostIP;
+        port = 8030;
+      }];
+    };
+
+    virtualHosts.promtail = {
+      locations."/".proxyPass = "http://promtail";
+      listen = [{
+        addr = hostIP;
+        port = 8031;
+      }];
+    };
+  };
+}

nix/monitoring/prometheus.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, ... }: {
+  services.prometheus = {
+    enable = true;
+    port = 7001;
+    exporters = {
+      node = {
+        enable = true;
+        enabledCollectors = [ "systemd" ];
+        port = 7002;
+      };
+    };
+    scrapeConfigs = [
+      {
+        job_name = "eve-psr-nix0";
+        static_configs = [{
+          targets = [ "127.0.0.1:${toString config.services.prometheus.exporters.node.port}" ];
+        }];
+      }
+    ];
+  };
+}

nix/monitoring/promtail.nix

@@ -0,0 +1,31 @@
+{ config, pkgs, ... }: {
+  services.promtail = {
+    enable = true;
+    configuration = {
+      server = {
+        http_listen_port = 6998;
+        grpc_listen_port = 0;
+      };
+      positions = {
+        filename = "/tmp/positions.yaml";
+      };
+      clients = [{
+        url = "http://127.0.0.1:${toString config.services.loki.configuration.server.http_listen_port}/loki/api/v1/push";
+      }];
+      scrape_configs = [{
+        job_name = "journal";
+        journal = {
+          max_age = "12h";
+          labels = {
+            job = "systemd-journal";
+            host = "pihole";
+          };
+        };
+        relabel_configs = [{
+          source_labels = [ "__journal__systemd_unit" ];
+          target_label = "unit";
+        }];
+      }];
+    };
+  };
+}