71 lines
2.3 KiB
Nix
71 lines
2.3 KiB
Nix
{ config, lib, ... }:
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# hydra user needs to be manually crated
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# sudo -u hydra -s
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# hydra-create-user $USERNAME --password $PASSWORD --role admin
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# https://qfpl.io/posts/nix/starting-simple-hydra/
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# also for reference a well written hydra config:
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# https://github.com/NixOS/nixos-org-configurations/blob/master/delft/hydra.nix
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with lib;
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let
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cacheDir = "/var/cache/hydra";
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in mkIf (elem "hydra" config.machine.services) {
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# also take a look at ../conf/nix.nix
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nix.buildMachines = [
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{
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hostName = "localhost";
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system = "x86_64-linux";
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supportedFeatures = ["kvm" "nixos-test" "big-parallel" "benchmark"];
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maxJobs = 8;
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}
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];
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services = let
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cfg = config.machine;
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domain = (findFirst (s: s.service == "hydra") cfg cfg.vHosts).domain;
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in {
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hydra = {
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enable = true;
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hydraURL = domain; # externally visible URL
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listenHost = "localhost";
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port = 3001;
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minimumDiskFree = 15;
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minimumDiskFreeEvaluator = 15;
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notificationSender = "hydra@mail.${cfg.domain}"; # e-mail of hydra service
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useSubstitutes = true;
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debugServer = false;
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# Hints from hydra-queue-runner:
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# binary_cache_dir is deprecated and ignored. use store_uri=file:// instead
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# hydra.conf: binary_cache_secret_key_file is deprecated and ignored. use store_uri=...?secret-key= instead
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extraConfig = ''
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max_output_size = 4294967296
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store_uri = file://${cacheDir}?secret-key=${config.sops.secrets."services.hydra.secretKey".path}&write-nar-listing=1&ls-compression=br&log-compression=br
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# add ?local-nar-cache= to set nar cache location
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server_store_uri = https://cache.${cfg.domain}
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binary_cache_public_uri https://cache.${cfg.domain}
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upload_logs_to_binary_cache = true
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'';
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};
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nix-serve = {
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enable = true;
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bindAddress = "0.0.0.0";
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port = 5000;
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secretKeyFile = config.sops.secrets."services.hydra.secretKey".path;
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extraParams = ''
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# Dont know how to change the store root yet...
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# --user hydra-queue-runner
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# --group hydra
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'';
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};
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};
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systemd.services.nix-serve.serviceConfig.User = mkForce "hydra";
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systemd.services.nix-serve.environment.NIX_STORE_DIR = cacheDir;
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sops.secrets."services/hydra/secretKey" = {
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owner = "hydra";
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group = "hydra";
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};
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}
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