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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.longview;
pidFile = "/run/longview.pid";
apacheConf = ''
#location http://127.0.0.1/server-status?auto
'';
mysqlConf = ''
#username root
#password example_password
'';
nginxConf = ''
#location http://127.0.0.1/nginx_status
'';
in
{
options = {
services.longview = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, system metrics will be sent to Linode LongView.
'';
};
apiKey = mkOption {
type = types.str;
description = ''
Longview API key. To get this, look in Longview settings which
are found at https://manager.linode.com/longview/.
'';
};
};
};
config = mkIf cfg.enable {
systemd.services.longview =
{ description = "Longview Metrics Collection";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig.Type = "forking";
serviceConfig.ExecStop = "-${pkgs.coreutils}/bin/kill -TERM $MAINPID";
serviceConfig.ExecReload = "-${pkgs.coreutils}/bin/kill -HUP $MAINPID";
serviceConfig.PIDFile = pidFile;
serviceConfig.ExecStart = "${pkgs.longview}/bin/longview";
};
environment.etc."linode/longview.key" = {
mode = "0400";
text = cfg.apiKey;
};
environment.etc."linode/longview.d/Apache.conf" = {
mode = "0400";
text = apacheConf;
};
environment.etc."linode/longview.d/MySQL.conf" = {
mode = "0400";
text = mysqlConf;
};
environment.etc."linode/longview.d/Nginx.conf" = {
mode = "0400";
text = nginxConf;
};
};
}
|