nixpkgs-suyu/nixos/modules/services/monitoring/cadvisor.nix
2014-12-30 03:31:03 +01:00

106 lines
2.8 KiB
Nix

{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.cadvisor;
in {
options = {
services.cadvisor = {
enable = mkOption {
default = false;
type = types.bool;
description = "Whether to enable cadvisor service.";
};
host = mkOption {
default = "127.0.0.1";
type = types.str;
description = "Cadvisor listening host";
};
port = mkOption {
default = 8080;
type = types.int;
description = "Cadvisor listening port";
};
storageDriver = mkOption {
default = null;
type = types.nullOr types.str;
example = "influxdb";
description = "Cadvisor storage driver.";
};
storageDriverHost = mkOption {
default = "localhost:8086";
type = types.str;
description = "Cadvisor storage driver host.";
};
storageDriverDb = mkOption {
default = "root";
type = types.str;
description = "Cadvisord storage driver database name.";
};
storageDriverUser = mkOption {
default = "root";
type = types.str;
description = "Cadvisor storage driver username.";
};
storageDriverPassword = mkOption {
default = "root";
type = types.str;
description = "Cadvisor storage driver password.";
};
storageDriverSecure = mkOption {
default = false;
type = types.bool;
description = "Cadvisor storage driver, enable secure communication.";
};
};
};
config = mkIf cfg.enable {
systemd.services.cadvisor = {
wantedBy = [ "multi-user.target" ];
after = [ "network.target" "docker.service" "influxdb.service" ];
postStart = mkBefore ''
until ${pkgs.curl}/bin/curl -s -o /dev/null 'http://${cfg.host}:${toString cfg.port}/containers/'; do
sleep 1;
done
'';
serviceConfig = {
ExecStart = ''${pkgs.cadvisor}/bin/cadvisor \
-logtostderr=true \
-listen_ip=${cfg.host} \
-port=${toString cfg.port} \
${optionalString (cfg.storageDriver != null) ''
-storage_driver ${cfg.storageDriver} \
-storage_driver_user ${cfg.storageDriverHost} \
-storage_driver_db ${cfg.storageDriverDb} \
-storage_driver_user ${cfg.storageDriverUser} \
-storage_driver_password ${cfg.storageDriverPassword} \
${optionalString cfg.storageDriverSecure "-storage_driver_secure"}
''}
'';
User = "cadvisor";
};
};
virtualisation.docker.enable = true;
users.extraUsers = singleton {
name = "cadvisor";
uid = config.ids.uids.cadvisor;
description = "Cadvisor user";
extraGroups = [ "docker" ];
};
};
}