141 lines
4.1 KiB
Nix
141 lines
4.1 KiB
Nix
{ lib, pkgs, config, ... }:
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with lib; let
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cfg = config;
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hydraPort = 3000;
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upload-to-cachix = pkgs.writeScriptBin "upload-to-cachix" ''
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#!/bin/sh
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set -eu
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set -f # disable globbing
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# skip push if the declarative job spec
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OUT_END=$(echo ''${OUT_PATHS: -10})
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if [ "$OUT_END" == "-spec.json" ]; then
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exit 0
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fi
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export HOME=/root
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exec ${pkgs.cachix}/bin/cachix -c ${config.sops.secrets.nix-community-cachix.path} push nix-community $OUT_PATHS > /tmp/hydra_cachix 2>&1
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'';
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in
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{
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options.services.hydra = {
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adminPasswordFile = mkOption {
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type = types.str;
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description = "The initial password for the Hydra admin account";
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};
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usersFile = mkOption {
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type = types.str;
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description = ''
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declarative user accounts for hydra.
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format: user;role;password-hash;email-address;full-name
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Password hash is computed by applying sha1 to the password.
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'';
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};
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};
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config = {
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sops.secrets.hydra-admin-password.owner = "hydra";
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sops.secrets.hydra-users.owner = "hydra";
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# hydra-queue-runner needs to read this key for remote building
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sops.secrets.id_buildfarm.owner = "hydra-queue-runner";
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nix.extraOptions = ''
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builders-use-substitutes = true
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allowed-uris = https://github.com/nix-community/ https://github.com/NixOS/
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post-build-hook = ${upload-to-cachix}/bin/upload-to-cachix
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'';
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nixpkgs.config = {
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whitelistedLicenses = with lib.licenses; [
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unfreeRedistributable
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issl
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];
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allowUnfreePredicate = pkg:
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builtins.elem (lib.getName pkg) [
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"cudnn_cudatoolkit"
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"cudatoolkit"
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];
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};
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sops.secrets.nix-community-cachix.sopsFile = ../../roles/nix-community-cache/secrets.yaml;
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sops.secrets.id_buildfarm = { };
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services.hydra = {
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enable = true;
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# remote builders set in /etc/nix/machines + localhost
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buildMachinesFiles = [
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"/etc/nix/machines"
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(pkgs.writeText "local" ''
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localhost x86_64-linux,builtin - 8 1 nixos-test,big-parallel,kvm - -
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'')
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];
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hydraURL = "https://hydra.nix-community.org";
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notificationSender = "hydra@hydra.nix-community.org";
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port = hydraPort;
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useSubstitutes = true;
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adminPasswordFile = config.sops.secrets.hydra-admin-password.path;
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usersFile = config.sops.secrets.hydra-users.path;
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extraConfig = ''
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max_output_size = ${builtins.toString (8 * 1024 * 1024 * 1024)}
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'';
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};
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services.postgresql = {
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enable = true;
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ensureDatabases = [ "hydra" ];
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settings = {
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max_connections = "300";
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effective_cache_size = "4GB";
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shared_buffers = "4GB";
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};
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};
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services.nginx.virtualHosts = {
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"hydra.nix-community.org" = {
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forceSSL = true;
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enableACME = true;
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locations."/".proxyPass = "http://localhost:${toString config.services.hydra.port}";
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};
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};
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# Create a admin user and configure a declarative project
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systemd.services.hydra-post-init = {
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serviceConfig = {
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Type = "oneshot";
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TimeoutStartSec = "60";
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};
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wantedBy = [ "multi-user.target" ];
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after = [ "hydra-server.service" ];
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requires = [ "hydra-server.service" ];
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environment = {
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inherit (cfg.systemd.services.hydra-init.environment) HYDRA_DBI;
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};
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path = with pkgs; [ config.services.hydra.package netcat ];
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script = ''
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set -e
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while IFS=';' read -r user role passwordhash email fullname; do
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opts=("$user" "--role" "$role" "--password-hash" "$passwordhash")
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if [[ -n "$email" ]]; then
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opts+=("--email-address" "$email")
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fi
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if [[ -n "$fullname" ]]; then
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opts+=("--full-name" "$fullname")
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fi
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hydra-create-user "''${opts[@]}"
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done < ${cfg.services.hydra.usersFile}
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while ! nc -z localhost ${toString hydraPort}; do
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sleep 1
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done
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export HYDRA_ADMIN_PASSWORD=$(cat ${cfg.services.hydra.adminPasswordFile})
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export URL=http://localhost:${toString hydraPort}
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'';
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};
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};
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}
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