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|
{ config, lib, pkgs, ... }:
with lib;
let
inherit (pkgs) ipfs;
cfg = config.services.ipfs;
ipfsFlags = ''${if cfg.autoMigrate then "--migrate" else ""} ${if cfg.enableGC then "--enable-gc" else ""} ${toString cfg.extraFlags}'';
in
{
###### interface
options = {
services.ipfs = {
enable = mkEnableOption "Interplanetary File System";
user = mkOption {
type = types.str;
default = "ipfs";
description = "User under which the IPFS daemon runs";
};
group = mkOption {
type = types.str;
default = "ipfs";
description = "Group under which the IPFS daemon runs";
};
dataDir = mkOption {
type = types.str;
default = "/var/lib/ipfs";
description = "The data dir for IPFS";
};
autoMigrate = mkOption {
type = types.bool;
default = false;
description = ''
Whether IPFS should try to migrate the file system automatically.
'';
};
gatewayAddress = mkOption {
type = types.str;
default = "/ip4/127.0.0.1/tcp/8080";
description = "Where the IPFS Gateway can be reached";
};
apiAddress = mkOption {
type = types.str;
default = "/ip4/127.0.0.1/tcp/5001";
description = "Where IPFS exposes its API to";
};
enableGC = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable automatic garbage collection.
'';
};
emptyRepo = mkOption {
type = types.bool;
default = false;
description = ''
If set to true, the repo won't be initialized with help files
'';
};
extraFlags = mkOption {
type = types.listOf types.str;
description = "Extra flags passed to the IPFS daemon";
default = [];
};
};
};
###### implementation
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.ipfs ];
users.extraUsers = mkIf (cfg.user == "ipfs") {
ipfs = {
group = cfg.group;
home = cfg.dataDir;
createHome = false;
uid = config.ids.uids.ipfs;
description = "IPFS daemon user";
};
};
users.extraGroups = mkIf (cfg.group == "ipfs") {
ipfs = {
gid = config.ids.gids.ipfs;
};
};
systemd.services.ipfs = {
description = "IPFS Daemon";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" "local-fs.target" ];
path = [ pkgs.ipfs pkgs.su pkgs.bash ];
preStart = ''
install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir}
if [[ ! -d ${cfg.dataDir}/.ipfs ]]; then
cd ${cfg.dataDir}
${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c \
"${ipfs}/bin/ipfs init ${if cfg.emptyRepo then "-e" else ""}"
fi
${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c \
"${ipfs}/bin/ipfs --local config Addresses.API ${cfg.apiAddress} && \
${ipfs}/bin/ipfs --local config Addresses.Gateway ${cfg.gatewayAddress}"
'';
serviceConfig = {
ExecStart = "${ipfs}/bin/ipfs daemon ${ipfsFlags}";
User = cfg.user;
Group = cfg.group;
PermissionsStartOnly = true;
};
};
};
}
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