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|
{
config,
libNginx,
lib,
pkgs,
...
}:
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.${domain} = {
locations."/".proxyPass = "http://loki";
extraConfig = libNginx.config.internalOnly;
};
};
services.loki = {
enable = true;
configuration = rec {
auth_enabled = false;
server = rec {
http_listen_address = "127.0.0.1";
http_listen_port = cfg.port;
grpc_listen_address = "127.0.0.1";
grpc_listen_port = http_listen_port + 1;
log_level = "warn";
};
common = rec {
path_prefix = "/var/lib/loki";
storage.filesystem = {
chunks_directory = "${path_prefix}/chunker";
rules_directory = "${path_prefix}/ruler";
};
replication_factor = 1;
instance_interface_names = ["lo"];
ring = {
instance_addr = "127.0.0.1";
kvstore.store = "inmemory";
};
};
ruler = {
rule_path = "${common.path_prefix}/ruler";
storage = {
type = "local";
local.directory =
pkgs.writeTextDir "ruler/ruler.yml"
(generators.toJSON {} {groups = [{name = "default";}];});
};
};
limits_config = {
max_streams_per_user = 0;
max_global_streams_per_user = 0;
};
schema_config.configs = [
{
from = "2020-01-01";
store = "boltdb-shipper";
object_store = "filesystem";
schema = "v11";
index = {
prefix = "index_";
period = "24h";
};
chunks = {
prefix = "chunks_";
period = "24h";
};
}
];
analytics.reporting_enabled = false;
};
};
systemd.tmpfiles.rules = [
"d /var/lib/loki 0700 loki loki - -"
"d /var/lib/loki/ruler 0700 loki loki - -"
];
};
}
|
