forked from mirrors/nixpkgs
199 lines
4.5 KiB
Nix
199 lines
4.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.influxdb;
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configOptions = recursiveUpdate {
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meta = {
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bind-address = ":8088";
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commit-timeout = "50ms";
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dir = "${cfg.dataDir}/meta";
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election-timeout = "1s";
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heartbeat-timeout = "1s";
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hostname = "localhost";
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leader-lease-timeout = "500ms";
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retention-autocreate = true;
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};
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data = {
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dir = "${cfg.dataDir}/data";
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wal-dir = "${cfg.dataDir}/wal";
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max-wal-size = 104857600;
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wal-enable-logging = true;
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wal-flush-interval = "10m";
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wal-partition-flush-delay = "2s";
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};
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cluster = {
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shard-writer-timeout = "5s";
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write-timeout = "5s";
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};
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retention = {
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enabled = true;
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check-interval = "30m";
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};
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http = {
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enabled = true;
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auth-enabled = false;
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bind-address = ":8086";
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https-enabled = false;
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log-enabled = true;
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pprof-enabled = false;
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write-tracing = false;
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};
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monitor = {
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store-enabled = false;
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store-database = "_internal";
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store-interval = "10s";
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};
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admin = {
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enabled = true;
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bind-address = ":8083";
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https-enabled = false;
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};
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graphite = [{
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enabled = false;
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}];
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udp = [{
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enabled = false;
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}];
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collectd = [{
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enabled = false;
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typesdb = "${pkgs.collectd-data}/share/collectd/types.db";
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database = "collectd_db";
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bind-address = ":25826";
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}];
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opentsdb = [{
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enabled = false;
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}];
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continuous_queries = {
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enabled = true;
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log-enabled = true;
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recompute-previous-n = 2;
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recompute-no-older-than = "10m";
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compute-runs-per-interval = 10;
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compute-no-more-than = "2m";
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};
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hinted-handoff = {
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enabled = true;
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dir = "${cfg.dataDir}/hh";
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max-size = 1073741824;
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max-age = "168h";
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retry-rate-limit = 0;
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retry-interval = "1s";
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};
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} cfg.extraConfig;
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configFile = pkgs.runCommand "config.toml" {
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buildInputs = [ pkgs.remarshal ];
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preferLocalBuild = true;
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} ''
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remarshal -if json -of toml \
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< ${pkgs.writeText "config.json" (builtins.toJSON configOptions)} \
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> $out
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'';
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in
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{
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###### interface
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options = {
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services.influxdb = {
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enable = mkOption {
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default = false;
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description = "Whether to enable the influxdb server";
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type = types.bool;
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};
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package = mkOption {
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default = pkgs.influxdb;
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defaultText = "pkgs.influxdb";
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description = "Which influxdb derivation to use";
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type = types.package;
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};
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user = mkOption {
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default = "influxdb";
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description = "User account under which influxdb runs";
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type = types.string;
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};
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group = mkOption {
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default = "influxdb";
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description = "Group under which influxdb runs";
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type = types.string;
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};
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dataDir = mkOption {
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default = "/var/db/influxdb";
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description = "Data directory for influxd data files.";
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type = types.path;
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};
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extraConfig = mkOption {
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default = {};
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description = "Extra configuration options for influxdb";
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type = types.attrs;
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};
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};
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};
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###### implementation
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config = mkIf config.services.influxdb.enable {
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systemd.services.influxdb = {
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description = "InfluxDB Server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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ExecStart = ''${cfg.package}/bin/influxd -config "${configFile}"'';
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User = "${cfg.user}";
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Group = "${cfg.group}";
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PermissionsStartOnly = true;
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};
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preStart = ''
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mkdir -m 0770 -p ${cfg.dataDir}
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if [ "$(id -u)" = 0 ]; then chown -R ${cfg.user}:${cfg.group} ${cfg.dataDir}; fi
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'';
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postStart =
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let
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scheme = if configOptions.http.https-enabled then "-k https" else "http";
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bindAddr = (ba: if hasPrefix ":" ba then "127.0.0.1${ba}" else "${ba}")(toString configOptions.http.bind-address);
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in
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mkBefore ''
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until ${pkgs.curl.bin}/bin/curl -s -o /dev/null ${scheme}://${bindAddr}/ping; do
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sleep 1;
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done
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'';
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};
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users.users = optional (cfg.user == "influxdb") {
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name = "influxdb";
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uid = config.ids.uids.influxdb;
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description = "Influxdb daemon user";
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};
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users.groups = optional (cfg.group == "influxdb") {
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name = "influxdb";
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gid = config.ids.gids.influxdb;
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};
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};
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}
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