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{
lib,
config,
...
}: let
cfg = config.roles.prometheus;
in {
options.roles.prometheus = {
exporters = lib.mkOption {
type = lib.types.submodule {
options = {
enable = lib.mkEnableOption "prometheus exporters";
openFirewall = lib.mkOption {
type = lib.types.bool;
default = false;
description = "Wheter to open firewall ports for enabled exporters";
};
node = lib.mkOption {
type = lib.types.submodule {
options = {
enable = lib.mkEnableOption "node exporter";
port = lib.mkOption {
type = lib.types.port;
default = 9100;
};
extraFlags = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [];
};
};
};
};
systemd = lib.mkOption {
type = lib.types.submodule {
options = {
enable = lib.mkEnableOption "systemd exporter";
port = lib.mkOption {
type = lib.types.port;
default = 9558;
};
};
};
};
};
};
default = {};
};
};
# FIXME: this or top level prometheus server enable
config = lib.mkIf cfg.exporters.enable {
# FIXME: only open for exporters that are enabled
networking.firewall.allowedTCPPorts = lib.mkIf cfg.exporters.openFirewall [
cfg.exporters.node.port
cfg.exporters.systemd.port
];
services.prometheus.exporters = lib.mkIf cfg.exporters.enable {
node = lib.mkIf cfg.exporters.node.enable {
enable = true;
port = cfg.exporters.node.port;
extraFlags = cfg.exporters.node.extraFlags;
};
systemd = lib.mkIf cfg.exporters.systemd.enable {
enable = true;
port = cfg.exporters.systemd.port;
};
};
};
}