{ config, lib, pkgs, ... }: with lib; let inherit (pkgs) ipfs runCommand makeWrapper; cfg = config.services.ipfs; ipfsFlags = toString ([ (optionalString cfg.autoMount "--mount") #(optionalString cfg.autoMigrate "--migrate") (optionalString cfg.enableGC "--enable-gc") (optionalString (cfg.serviceFdlimit != null) "--manage-fdlimit=false") (optionalString (cfg.defaultMode == "offline") "--offline") (optionalString (cfg.defaultMode == "norouting") "--routing=none") ] ++ cfg.extraFlags); defaultDataDir = if versionAtLeast config.system.stateVersion "17.09" then "/var/lib/ipfs" else "/var/lib/ipfs/.ipfs"; # Wrapping the ipfs binary with the environment variable IPFS_PATH set to dataDir because we can't set it in the user environment wrapped = runCommand "ipfs" { buildInputs = [ makeWrapper ]; preferLocalBuild = true; } '' mkdir -p "$out/bin" makeWrapper "${ipfs}/bin/ipfs" "$out/bin/ipfs" \ --set IPFS_PATH ${cfg.dataDir} \ --prefix PATH : /run/wrappers/bin ''; commonEnv = { environment.IPFS_PATH = cfg.dataDir; path = [ wrapped ]; serviceConfig.User = cfg.user; serviceConfig.Group = cfg.group; }; baseService = recursiveUpdate commonEnv { wants = [ "ipfs-init.service" ]; # NB: migration must be performed prior to pre-start, else we get the failure message! preStart = '' ipfs repo fsck # workaround for BUG #4212 (https://github.com/ipfs/go-ipfs/issues/4214) '' + optionalString cfg.autoMount '' ipfs --local config Mounts.FuseAllowOther --json true ipfs --local config Mounts.IPFS ${cfg.ipfsMountDir} ipfs --local config Mounts.IPNS ${cfg.ipnsMountDir} '' + concatStringsSep "\n" (collect isString (mapAttrsRecursive (path: value: # Using heredoc below so that the value is never improperly quoted '' read value <ipfs config, every time the daemon starts. These are applied last, so may override configuration set by other options in this module. Keep in mind that this configuration is stateful; i.e., unsetting anything in here does not reset the value to the default! ''; default = {}; example = { Datastore.StorageMax = "100GB"; Discovery.MDNS.Enabled = false; Bootstrap = [ "/ip4/128.199.219.111/tcp/4001/ipfs/QmSoLSafTMBsPKadTEgaXctDQVcqN88CNLHXMkTNwMKPnu" "/ip4/162.243.248.213/tcp/4001/ipfs/QmSoLueR4xBeUbY9WZ9xGUUxunbKWcrNFTDAadQJmocnWm" ]; Swarm.AddrFilters = null; }; }; extraFlags = mkOption { type = types.listOf types.str; description = "Extra flags passed to the IPFS daemon"; default = []; }; localDiscovery = mkOption { type = types.bool; description = ''Whether to enable local discovery for the ipfs daemon. This will allow ipfs to scan ports on your local network. Some hosting services will ban you if you do this. ''; default = true; }; serviceFdlimit = mkOption { type = types.nullOr types.int; default = null; description = "The fdlimit for the IPFS systemd unit or null to have the daemon attempt to manage it"; example = 64*1024; }; }; }; ###### implementation config = mkIf cfg.enable { environment.systemPackages = [ wrapped ]; environment.etc."fuse.conf" = mkIf cfg.autoMount { text = '' user_allow_other ''; }; users.users = mkIf (cfg.user == "ipfs") { ipfs = { group = cfg.group; home = cfg.dataDir; createHome = false; uid = config.ids.uids.ipfs; description = "IPFS daemon user"; }; }; users.groups = mkIf (cfg.group == "ipfs") { ipfs.gid = config.ids.gids.ipfs; }; systemd.services.ipfs-init = recursiveUpdate commonEnv { description = "IPFS Initializer"; after = [ "local-fs.target" ]; before = [ "ipfs.service" "ipfs-offline.service" "ipfs-norouting.service" ]; preStart = '' install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir} '' + optionalString cfg.autoMount '' install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.ipfsMountDir} install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.ipnsMountDir} ''; script = '' if [[ ! -f ${cfg.dataDir}/config ]]; then ipfs init ${optionalString cfg.emptyRepo "-e"} \ ${optionalString (! cfg.localDiscovery) "--profile=server"} else ${if cfg.localDiscovery then "ipfs config profile apply local-discovery" else "ipfs config profile apply server" } fi ''; serviceConfig = { Type = "oneshot"; RemainAfterExit = true; PermissionsStartOnly = true; }; }; # TODO These 3 definitions possibly be further abstracted through use of a function # like: mutexServices "ipfs" [ "", "offline", "norouting" ] { ... shared conf here ... } systemd.services.ipfs = recursiveUpdate baseService { description = "IPFS Daemon"; wantedBy = mkIf (cfg.defaultMode == "online") [ "multi-user.target" ]; after = [ "network.target" "local-fs.target" "ipfs-init.service" ]; conflicts = [ "ipfs-offline.service" "ipfs-norouting.service"]; }; systemd.services.ipfs-offline = recursiveUpdate baseService { description = "IPFS Daemon (offline mode)"; wantedBy = mkIf (cfg.defaultMode == "offline") [ "multi-user.target" ]; after = [ "local-fs.target" "ipfs-init.service" ]; conflicts = [ "ipfs.service" "ipfs-norouting.service"]; }; systemd.services.ipfs-norouting = recursiveUpdate baseService { description = "IPFS Daemon (no routing mode)"; wantedBy = mkIf (cfg.defaultMode == "norouting") [ "multi-user.target" ]; after = [ "local-fs.target" "ipfs-init.service" ]; conflicts = [ "ipfs.service" "ipfs-offline.service"]; }; }; }