forked from mirrors/nixpkgs
137 lines
3 KiB
Nix
137 lines
3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.bosun;
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configFile = pkgs.writeText "bosun.conf" ''
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tsdbHost = ${cfg.opentsdbHost}
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httpListen = ${cfg.listenAddress}
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stateFile = ${cfg.stateFile}
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checkFrequency = 5m
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${cfg.extraConfig}
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'';
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in {
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options = {
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services.bosun = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to run bosun.
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'';
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};
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package = mkOption {
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type = types.package;
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default = pkgs.bosun;
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example = literalExample "pkgs.bosun";
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description = ''
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bosun binary to use.
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'';
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};
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user = mkOption {
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type = types.string;
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default = "bosun";
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description = ''
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User account under which bosun runs.
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'';
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};
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group = mkOption {
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type = types.string;
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default = "bosun";
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description = ''
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Group account under which bosun runs.
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'';
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};
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opentsdbHost = mkOption {
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type = types.string;
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default = "localhost:4242";
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description = ''
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Host and port of the OpenTSDB database that stores bosun data.
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'';
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};
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listenAddress = mkOption {
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type = types.string;
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default = ":8070";
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description = ''
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The host address and port that bosun's web interface will listen on.
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'';
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};
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stateFile = mkOption {
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type = types.string;
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default = "/var/lib/bosun/bosun.state";
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description = ''
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Path to bosun's state file.
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'';
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};
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extraConfig = mkOption {
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type = types.string;
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default = "";
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description = ''
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Extra configuration options for Bosun. You should describe your
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desired templates, alerts, macros, etc through this configuration
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option.
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A detailed description of the supported syntax can be found at-spi2-atk
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http://bosun.org/configuration.html
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'';
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};
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};
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};
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config = mkIf config.services.bosun.enable {
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systemd.services.bosun = {
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description = "bosun metrics collector (part of Bosun)";
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wantedBy = [ "multi-user.target" ];
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preStart =
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''
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mkdir -p `dirname ${cfg.stateFile}`;
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touch ${cfg.stateFile}
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touch ${cfg.stateFile}.tmp
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if [ "$(id -u)" = 0 ]; then
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chown ${cfg.user}:${cfg.group} ${cfg.stateFile}
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chown ${cfg.user}:${cfg.group} ${cfg.stateFile}.tmp
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fi
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'';
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serviceConfig = {
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PermissionsStartOnly = true;
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User = cfg.user;
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Group = cfg.group;
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ExecStart = ''
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${cfg.package}/bin/bosun -c ${configFile}
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'';
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};
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};
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users.extraUsers.bosun = {
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description = "bosun user";
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group = "bosun";
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uid = config.ids.uids.bosun;
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};
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users.extraGroups.bosun.gid = config.ids.gids.bosun;
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};
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}
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