125 lines
3.3 KiB
Nix
125 lines
3.3 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let
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cfg = config.services.hydraChannelMirror;
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mirrorChannel = pkgs.fetchsvn {
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url = https://svn.nixos.org/repos/nix/release/trunk/channels/mirror-channel.pl;
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rev = 25210;
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sha256 = "0gspqid1rpsj1z1mr29nakh7di278nlv6v2knafvmm3g8ah3yxgz";
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};
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cronjob = jobset:
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"${cfg.period} ${cfg.user}"
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+ optionalString cfg.enableBinaryPatches " ENABLE_PATCHES=1"
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+ " perl -I${config.environment.nix}/libexec/nix ${mirrorChannel}"
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+ " ${cfg.hydraURL}/jobset/${jobset.project}/${jobset.jobset}/channel/latest"
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+ " ${cfg.dataDir}/${jobset.project}/channels/${jobset.name}"
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+ " ${cfg.dataDir}/nars"
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+ " ${cfg.mirrorURL}/nars"
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+ " ${cfg.dataDir}/patches"
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+ " ${cfg.mirrorURL}/patches"
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+ " ${if jobset.nixexprs == "" then "" else "${cfg.hydraURL}/job/${jobset.project}/${jobset.jobset}/${jobset.nixexprs}/latest/download-by-type/file/source-dist"}"
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+ " >> ${cfg.dataDir}/logs/${jobset.name}.log 2>&1\n";
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in
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{
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options = {
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services.hydraChannelMirror = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to enable Hydra channel mirroring.
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'';
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};
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period = mkOption {
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default = "15 * * * *";
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description = ''
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This option defines (in the format used by cron) when the
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mirroring should occur.
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'';
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};
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user = mkOption {
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default = "hydra-mirror";
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description = ''
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User running the Hydra mirror script.
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'';
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};
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jobsets = mkOption {
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default = [ { name = "nixpkgs-unstable"; project = "nixpkgs"; jobset = "trunk"; nixexprs = "tarball"; } ];
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description = ''
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List of jobsets to mirror.
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'';
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};
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hydraURL = mkOption {
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default = "http://hydra.nixos.org";
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description = ''
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Location (URL) of Hydra instance
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'';
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};
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mirrorURL = mkOption {
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default = "http://nixos.org/releases";
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description = ''
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Location (URL) of Hydra mirror
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'';
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};
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dataDir = mkOption {
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default = "/data/hydra-mirror";
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description = ''
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Location of Hydra mirror data
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'';
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};
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enableBinaryPatches = mkOption {
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default = false;
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description = ''
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Whether to enable generating binary patches for the mirrored channels.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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users.extraUsers = singleton
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{ name = cfg.user; description = "Hydra mirror"; };
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services.cron.systemCronJobs = map cronjob cfg.jobsets;
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system.activationScripts.hydraChannelMirror = stringAfter [ "stdio" "users" ]
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''
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mkdir -m 0755 -p ${cfg.dataDir}
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chown ${cfg.user} ${cfg.dataDir}
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mkdir -m 0755 -p ${cfg.dataDir}/nars
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chown ${cfg.user} ${cfg.dataDir}/nars
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mkdir -m 0755 -p ${cfg.dataDir}/patches
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chown ${cfg.user} ${cfg.dataDir}/patches
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mkdir -m 0755 -p ${cfg.dataDir}/logs
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chown ${cfg.user} ${cfg.dataDir}/logs
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${concatMapStrings (j : ''
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mkdir -m 0755 -p ${cfg.dataDir}/${j.project}/channels/${j.name}
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chown ${cfg.user} ${cfg.dataDir}/${j.project}/channels/${j.name}
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'') cfg.jobsets}
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'';
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};
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}
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