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|
{ lib, config, pkgs, ... }:
let
cfg = config.services.sitespeed-io;
format = pkgs.formats.json { };
in
{
options.services.sitespeed-io = {
enable = lib.mkEnableOption (lib.mdDoc "Sitespeed.io");
user = lib.mkOption {
type = lib.types.str;
default = "sitespeed-io";
description = lib.mdDoc "User account under which sitespeed-io runs.";
};
package = lib.mkOption {
type = lib.types.package;
default = pkgs.sitespeed-io;
defaultText = "pkgs.sitespeed-io";
description = lib.mdDoc "Sitespeed.io package to use.";
};
dataDir = lib.mkOption {
default = "/var/lib/sitespeed-io";
type = lib.types.str;
description = lib.mdDoc "The base sitespeed-io data directory.";
};
period = lib.mkOption {
type = lib.types.str;
default = "hourly";
description = lib.mdDoc ''
Systemd calendar expression when to run. See {manpage}`systemd.time(7)`.
'';
};
runs = lib.mkOption {
default = [ ];
description = lib.mdDoc ''
A list of run configurations. The service will call sitespeed-io once
for every run listed here. This lets you examine different websites
with different sitespeed-io settings.
'';
type = lib.types.listOf (lib.types.submodule {
options = {
urls = lib.mkOption {
type = with lib.types; listOf str;
default = [];
description = lib.mdDoc ''
URLs the service should monitor.
'';
};
settings = lib.mkOption {
type = lib.types.submodule {
freeformType = format.type;
options = { };
};
default = { };
description = lib.mdDoc ''
Configuration for sitespeed-io, see
<https://www.sitespeed.io/documentation/sitespeed.io/configuration/>
for available options. The value here will be directly transformed to
JSON and passed as `--config` to the program.
'';
};
extraArgs = lib.mkOption {
type = with lib.types; listOf str;
default = [];
description = lib.mdDoc ''
Extra command line arguments to pass to the program.
'';
};
};
});
};
};
config = lib.mkIf cfg.enable {
assertions = [
{
assertion = cfg.runs != [];
message = "At least one run must be configured.";
}
{
assertion = lib.all (run: run.urls != []) cfg.runs;
message = "All runs must have at least one url configured.";
}
];
systemd.services.sitespeed-io = {
description = "Check website status";
startAt = cfg.period;
serviceConfig = {
WorkingDirectory = cfg.dataDir;
User = cfg.user;
};
preStart = "chmod u+w -R ${cfg.dataDir}"; # Make sure things are writable
script = (lib.concatMapStrings (run: ''
${lib.getExe cfg.package} \
--config ${format.generate "sitespeed.json" run.settings} \
${lib.escapeShellArgs run.extraArgs} \
${builtins.toFile "urls.txt" (lib.concatLines run.urls)} &
'') cfg.runs) +
''
wait
'';
};
users = {
extraUsers.${cfg.user} = {
isSystemUser = true;
group = cfg.user;
home = cfg.dataDir;
createHome = true;
homeMode = "755";
};
extraGroups.${cfg.user} = { };
};
};
}
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