2020-04-24 23:36:52 +00:00
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.dockerRegistry;
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blobCache = if cfg.enableRedisCache
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then "redis"
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else "inmemory";
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registryConfig = {
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version = "0.1";
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log.fields.service = "registry";
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storage = {
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cache.blobdescriptor = blobCache;
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delete.enabled = cfg.enableDelete;
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} // (if cfg.storagePath != null
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then { filesystem.rootdirectory = cfg.storagePath; }
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else {});
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http = {
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addr = "${cfg.listenAddress}:${builtins.toString cfg.port}";
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headers.X-Content-Type-Options = ["nosniff"];
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};
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health.storagedriver = {
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enabled = true;
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interval = "10s";
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threshold = 3;
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};
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};
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registryConfig.redis = mkIf cfg.enableRedisCache {
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addr = "${cfg.redisUrl}";
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password = "${cfg.redisPassword}";
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db = 0;
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dialtimeout = "10ms";
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readtimeout = "10ms";
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writetimeout = "10ms";
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pool = {
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maxidle = 16;
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maxactive = 64;
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idletimeout = "300s";
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};
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};
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configFile = pkgs.writeText "docker-registry-config.yml" (builtins.toJSON (recursiveUpdate registryConfig cfg.extraConfig));
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in {
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options.services.dockerRegistry = {
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enable = mkEnableOption "Docker Registry";
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listenAddress = mkOption {
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2022-08-12 12:06:08 +00:00
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description = lib.mdDoc "Docker registry host or ip to bind to.";
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2020-04-24 23:36:52 +00:00
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default = "127.0.0.1";
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type = types.str;
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};
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port = mkOption {
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2022-08-12 12:06:08 +00:00
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description = lib.mdDoc "Docker registry port to bind to.";
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2020-04-24 23:36:52 +00:00
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default = 5000;
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2021-07-14 22:03:04 +00:00
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type = types.port;
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2020-04-24 23:36:52 +00:00
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};
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storagePath = mkOption {
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type = types.nullOr types.path;
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default = "/var/lib/docker-registry";
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2022-08-12 12:06:08 +00:00
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description = lib.mdDoc ''
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2020-04-24 23:36:52 +00:00
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Docker registry storage path for the filesystem storage backend. Set to
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null to configure another backend via extraConfig.
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'';
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};
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enableDelete = mkOption {
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type = types.bool;
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default = false;
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2022-08-12 12:06:08 +00:00
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description = lib.mdDoc "Enable delete for manifests and blobs.";
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2020-04-24 23:36:52 +00:00
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};
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enableRedisCache = mkEnableOption "redis as blob cache";
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redisUrl = mkOption {
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type = types.str;
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default = "localhost:6379";
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2022-08-12 12:06:08 +00:00
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description = lib.mdDoc "Set redis host and port.";
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2020-04-24 23:36:52 +00:00
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};
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redisPassword = mkOption {
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type = types.str;
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default = "";
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2022-08-12 12:06:08 +00:00
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description = lib.mdDoc "Set redis password.";
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2020-04-24 23:36:52 +00:00
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};
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extraConfig = mkOption {
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2022-08-12 12:06:08 +00:00
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description = lib.mdDoc ''
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2020-04-24 23:36:52 +00:00
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Docker extra registry configuration via environment variables.
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'';
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default = {};
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type = types.attrs;
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};
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enableGarbageCollect = mkEnableOption "garbage collect";
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garbageCollectDates = mkOption {
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default = "daily";
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type = types.str;
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description = ''
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Specification (in the format described by
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<citerefentry><refentrytitle>systemd.time</refentrytitle>
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<manvolnum>7</manvolnum></citerefentry>) of the time at
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which the garbage collect will occur.
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'';
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};
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};
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config = mkIf cfg.enable {
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systemd.services.docker-registry = {
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description = "Docker Container Registry";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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script = ''
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${pkgs.docker-distribution}/bin/registry serve ${configFile}
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'';
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serviceConfig = {
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User = "docker-registry";
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WorkingDirectory = cfg.storagePath;
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AmbientCapabilities = mkIf (cfg.port < 1024) "cap_net_bind_service";
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};
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};
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systemd.services.docker-registry-garbage-collect = {
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description = "Run Garbage Collection for docker registry";
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restartIfChanged = false;
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unitConfig.X-StopOnRemoval = false;
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serviceConfig.Type = "oneshot";
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script = ''
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${pkgs.docker-distribution}/bin/registry garbage-collect ${configFile}
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2020-05-29 06:06:01 +00:00
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/run/current-system/systemd/bin/systemctl restart docker-registry.service
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2020-04-24 23:36:52 +00:00
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'';
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startAt = optional cfg.enableGarbageCollect cfg.garbageCollectDates;
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};
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users.users.docker-registry =
|
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(if cfg.storagePath != null
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then {
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createHome = true;
|
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home = cfg.storagePath;
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}
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else {}) // {
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2021-09-18 10:52:07 +00:00
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group = "docker-registry";
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2020-04-24 23:36:52 +00:00
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isSystemUser = true;
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};
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2021-09-18 10:52:07 +00:00
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users.groups.docker-registry = {};
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2020-04-24 23:36:52 +00:00
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};
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}
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