forked from mirrors/nixpkgs
267 lines
9.9 KiB
Nix
267 lines
9.9 KiB
Nix
/*
|
|
|
|
This file is for options that NixOS and nix-darwin have in common.
|
|
|
|
Platform-specific code is in the respective default.nix files.
|
|
|
|
*/
|
|
|
|
{ config, lib, options, pkgs, ... }:
|
|
let
|
|
inherit (lib)
|
|
filterAttrs
|
|
literalDocBook
|
|
literalExpression
|
|
mkIf
|
|
mkOption
|
|
mkRemovedOptionModule
|
|
mkRenamedOptionModule
|
|
types
|
|
;
|
|
|
|
cfg =
|
|
config.services.hercules-ci-agent;
|
|
|
|
format = pkgs.formats.toml { };
|
|
|
|
settingsModule = { config, ... }: {
|
|
freeformType = format.type;
|
|
options = {
|
|
apiBaseUrl = mkOption {
|
|
description = ''
|
|
API base URL that the agent will connect to.
|
|
|
|
When using Hercules CI Enterprise, set this to the URL where your
|
|
Hercules CI server is reachable.
|
|
'';
|
|
type = types.str;
|
|
default = "https://hercules-ci.com";
|
|
};
|
|
baseDirectory = mkOption {
|
|
type = types.path;
|
|
default = "/var/lib/hercules-ci-agent";
|
|
description = ''
|
|
State directory (secrets, work directory, etc) for agent
|
|
'';
|
|
};
|
|
concurrentTasks = mkOption {
|
|
description = ''
|
|
Number of tasks to perform simultaneously.
|
|
|
|
A task is a single derivation build, an evaluation or an effect run.
|
|
At minimum, you need 2 concurrent tasks for <literal>x86_64-linux</literal>
|
|
in your cluster, to allow for import from derivation.
|
|
|
|
<literal>concurrentTasks</literal> can be around the CPU core count or lower if memory is
|
|
the bottleneck.
|
|
|
|
The optimal value depends on the resource consumption characteristics of your workload,
|
|
including memory usage and in-task parallelism. This is typically determined empirically.
|
|
|
|
When scaling, it is generally better to have a double-size machine than two machines,
|
|
because each split of resources causes inefficiencies; particularly with regards
|
|
to build latency because of extra downloads.
|
|
'';
|
|
type = types.either types.ints.positive (types.enum [ "auto" ]);
|
|
default = "auto";
|
|
};
|
|
labels = mkOption {
|
|
description = ''
|
|
A key-value map of user data.
|
|
|
|
This data will be available to organization members in the dashboard and API.
|
|
|
|
The values can be of any TOML type that corresponds to a JSON type, but arrays
|
|
can not contain tables/objects due to limitations of the TOML library. Values
|
|
involving arrays of non-primitive types may not be representable currently.
|
|
'';
|
|
type = format.type;
|
|
defaultText = literalExpression ''
|
|
{
|
|
agent.source = "..."; # One of "nixpkgs", "flake", "override"
|
|
lib.version = "...";
|
|
pkgs.version = "...";
|
|
}
|
|
'';
|
|
};
|
|
workDirectory = mkOption {
|
|
description = ''
|
|
The directory in which temporary subdirectories are created for task state. This includes sources for Nix evaluation.
|
|
'';
|
|
type = types.path;
|
|
default = config.baseDirectory + "/work";
|
|
defaultText = literalExpression ''baseDirectory + "/work"'';
|
|
};
|
|
staticSecretsDirectory = mkOption {
|
|
description = ''
|
|
This is the default directory to look for statically configured secrets like <literal>cluster-join-token.key</literal>.
|
|
|
|
See also <literal>clusterJoinTokenPath</literal> and <literal>binaryCachesPath</literal> for fine-grained configuration.
|
|
'';
|
|
type = types.path;
|
|
default = config.baseDirectory + "/secrets";
|
|
defaultText = literalExpression ''baseDirectory + "/secrets"'';
|
|
};
|
|
clusterJoinTokenPath = mkOption {
|
|
description = ''
|
|
Location of the cluster-join-token.key file.
|
|
|
|
You can retrieve the contents of the file when creating a new agent via
|
|
<link xlink:href="https://hercules-ci.com/dashboard">https://hercules-ci.com/dashboard</link>.
|
|
|
|
As this value is confidential, it should not be in the store, but
|
|
installed using other means, such as agenix, NixOps
|
|
<literal>deployment.keys</literal>, or manual installation.
|
|
|
|
The contents of the file are used for authentication between the agent and the API.
|
|
'';
|
|
type = types.path;
|
|
default = config.staticSecretsDirectory + "/cluster-join-token.key";
|
|
defaultText = literalExpression ''staticSecretsDirectory + "/cluster-join-token.key"'';
|
|
};
|
|
binaryCachesPath = mkOption {
|
|
description = ''
|
|
Path to a JSON file containing binary cache secret keys.
|
|
|
|
As these values are confidential, they should not be in the store, but
|
|
copied over using other means, such as agenix, NixOps
|
|
<literal>deployment.keys</literal>, or manual installation.
|
|
|
|
The format is described on <link xlink:href="https://docs.hercules-ci.com/hercules-ci-agent/binary-caches-json/">https://docs.hercules-ci.com/hercules-ci-agent/binary-caches-json/</link>.
|
|
'';
|
|
type = types.path;
|
|
default = config.staticSecretsDirectory + "/binary-caches.json";
|
|
defaultText = literalExpression ''staticSecretsDirectory + "/binary-caches.json"'';
|
|
};
|
|
secretsJsonPath = mkOption {
|
|
description = ''
|
|
Path to a JSON file containing secrets for effects.
|
|
|
|
As these values are confidential, they should not be in the store, but
|
|
copied over using other means, such as agenix, NixOps
|
|
<literal>deployment.keys</literal>, or manual installation.
|
|
|
|
The format is described on <link xlink:href="https://docs.hercules-ci.com/hercules-ci-agent/secrets-json/">https://docs.hercules-ci.com/hercules-ci-agent/secrets-json/</link>.
|
|
|
|
'';
|
|
type = types.path;
|
|
default = config.staticSecretsDirectory + "/secrets.json";
|
|
defaultText = literalExpression ''staticSecretsDirectory + "/secrets.json"'';
|
|
};
|
|
};
|
|
};
|
|
|
|
# TODO (roberth, >=2022) remove
|
|
checkNix =
|
|
if !cfg.checkNix
|
|
then ""
|
|
else if lib.versionAtLeast config.nix.package.version "2.3.10"
|
|
then ""
|
|
else
|
|
pkgs.stdenv.mkDerivation {
|
|
name = "hercules-ci-check-system-nix-src";
|
|
inherit (config.nix.package) src patches;
|
|
dontConfigure = true;
|
|
buildPhase = ''
|
|
echo "Checking in-memory pathInfoCache expiry"
|
|
if ! grep 'PathInfoCacheValue' src/libstore/store-api.hh >/dev/null; then
|
|
cat 1>&2 <<EOF
|
|
|
|
You are deploying Hercules CI Agent on a system with an incompatible
|
|
nix-daemon. Please make sure nix.package is set to a Nix version of at
|
|
least 2.3.10 or a master version more recent than Mar 12, 2020.
|
|
EOF
|
|
exit 1
|
|
fi
|
|
'';
|
|
installPhase = "touch $out";
|
|
};
|
|
|
|
in
|
|
{
|
|
imports = [
|
|
(mkRenamedOptionModule [ "services" "hercules-ci-agent" "extraOptions" ] [ "services" "hercules-ci-agent" "settings" ])
|
|
(mkRenamedOptionModule [ "services" "hercules-ci-agent" "baseDirectory" ] [ "services" "hercules-ci-agent" "settings" "baseDirectory" ])
|
|
(mkRenamedOptionModule [ "services" "hercules-ci-agent" "concurrentTasks" ] [ "services" "hercules-ci-agent" "settings" "concurrentTasks" ])
|
|
(mkRemovedOptionModule [ "services" "hercules-ci-agent" "patchNix" ] "Nix versions packaged in this version of Nixpkgs don't need a patched nix-daemon to work correctly in Hercules CI Agent clusters.")
|
|
];
|
|
|
|
options.services.hercules-ci-agent = {
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = ''
|
|
Enable to run Hercules CI Agent as a system service.
|
|
|
|
<link xlink:href="https://hercules-ci.com">Hercules CI</link> is a
|
|
continuous integation service that is centered around Nix.
|
|
|
|
Support is available at <link xlink:href="mailto:help@hercules-ci.com">help@hercules-ci.com</link>.
|
|
'';
|
|
};
|
|
checkNix = mkOption {
|
|
type = types.bool;
|
|
default = true;
|
|
description = ''
|
|
Whether to make sure that the system's Nix (nix-daemon) is compatible.
|
|
|
|
If you set this to false, please keep up with the change log.
|
|
'';
|
|
};
|
|
package = mkOption {
|
|
description = ''
|
|
Package containing the bin/hercules-ci-agent executable.
|
|
'';
|
|
type = types.package;
|
|
default = pkgs.hercules-ci-agent;
|
|
defaultText = literalExpression "pkgs.hercules-ci-agent";
|
|
};
|
|
settings = mkOption {
|
|
description = ''
|
|
These settings are written to the <literal>agent.toml</literal> file.
|
|
|
|
Not all settings are listed as options, can be set nonetheless.
|
|
|
|
For the exhaustive list of settings, see <link xlink:href="https://docs.hercules-ci.com/hercules-ci/reference/agent-config/"/>.
|
|
'';
|
|
type = types.submoduleWith { modules = [ settingsModule ]; };
|
|
};
|
|
|
|
/*
|
|
Internal and/or computed values.
|
|
|
|
These are written as options instead of let binding to allow sharing with
|
|
default.nix on both NixOS and nix-darwin.
|
|
*/
|
|
tomlFile = mkOption {
|
|
type = types.path;
|
|
internal = true;
|
|
defaultText = literalDocBook "generated <literal>hercules-ci-agent.toml</literal>";
|
|
description = ''
|
|
The fully assembled config file.
|
|
'';
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
nix.extraOptions = lib.addContextFrom checkNix ''
|
|
# A store path that was missing at first may well have finished building,
|
|
# even shortly after the previous lookup. This *also* applies to the daemon.
|
|
narinfo-cache-negative-ttl = 0
|
|
'';
|
|
services.hercules-ci-agent = {
|
|
tomlFile =
|
|
format.generate "hercules-ci-agent.toml" cfg.settings;
|
|
|
|
settings.labels = {
|
|
agent.source =
|
|
if options.services.hercules-ci-agent.package.highestPrio == (lib.modules.mkOptionDefault { }).priority
|
|
then "nixpkgs"
|
|
else lib.mkOptionDefault "override";
|
|
pkgs.version = pkgs.lib.version;
|
|
lib.version = lib.version;
|
|
};
|
|
};
|
|
};
|
|
}
|