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|
{
config,
lib,
libNginx,
this,
...
}:
with lib;
let
cfg = config.nixfiles.modules.loki;
in
{
options.nixfiles.modules.loki = {
enable = mkEnableOption "Loki";
port = mkOption {
description = "Port.";
type = with types; port;
default = 30171;
};
domain = mkOption {
description = "Domain name sans protocol scheme.";
type = with types; str;
default = "loki.${config.networking.domain}";
};
};
config = mkIf cfg.enable {
ark.directories = [ config.services.loki.configuration.common.path_prefix ];
nixfiles.modules.nginx = with cfg; {
enable = true;
upstreams.loki.servers."127.0.0.1:${toString cfg.port}" = { };
virtualHosts.${domain} = {
locations."/".proxyPass = "http://loki";
extraConfig = libNginx.config.internalOnly;
};
};
services.loki = {
enable = true;
configuration = rec {
auth_enabled = false;
server = {
http_listen_address = "127.0.0.1";
http_listen_port = cfg.port;
grpc_listen_address = "127.0.0.1";
grpc_listen_port = server.http_listen_port + 1;
log_level = "warn";
};
common = {
path_prefix = config.services.loki.dataDir;
storage.filesystem = {
chunks_directory = "${common.path_prefix}/chunks";
rules_directory = "${common.path_prefix}/rules";
};
replication_factor = 1;
ring = {
instance_addr = "127.0.0.1";
kvstore.store = "inmemory";
};
};
ingester = {
chunk_idle_period = "15m";
max_chunk_age = "15m";
};
compactor = {
working_directory = "${common.path_prefix}/compactor";
retention_enabled = true;
retention_delete_delay = "1h";
retention_delete_worker_count = 64;
};
ruler = {
enable_api = true;
storage = {
type = "local";
local.directory = common.storage.filesystem.rules_directory;
};
};
limits_config = {
max_streams_per_user = 0;
max_global_streams_per_user = 0;
max_query_series = 4096;
retention_period = "720h";
deletion_mode = "filter-and-delete";
};
schema_config.configs = [
{
from = "2024-01-01";
store = "tsdb";
object_store = "filesystem";
schema = "v12";
index = {
prefix = "index_";
period = "24h";
};
chunks = {
prefix = "chunks_";
period = "24h";
};
}
];
analytics.reporting_enabled = false;
};
};
systemd.tmpfiles.rules = with config.services.loki.configuration.common; [
"d ${path_prefix} 0700 loki loki - -"
"d ${storage.filesystem.chunks_directory} 0700 loki loki - -"
"d ${storage.filesystem.rules_directory} 0700 loki loki - -"
];
topology = with cfg; {
nodes.${this.hostname}.services.loki = {
info = domain;
};
};
};
}
|
