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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.bee;
format = pkgs.formats.yaml {};
configFile = format.generate "bee.yaml" cfg.settings;
in {
meta = {
# doc = ./bee.xml;
maintainers = with maintainers; [ attila-lendvai ];
};
### interface
options = {
services.bee = {
enable = mkEnableOption (lib.mdDoc "Ethereum Swarm Bee");
package = mkPackageOption pkgs "bee" {
example = "bee-unstable";
};
settings = mkOption {
type = format.type;
description = lib.mdDoc ''
Ethereum Swarm Bee configuration. Refer to
<https://gateway.ethswarm.org/bzz/docs.swarm.eth/docs/installation/configuration/>
for details on supported values.
'';
};
daemonNiceLevel = mkOption {
type = types.int;
default = 0;
description = lib.mdDoc ''
Daemon process priority for bee.
0 is the default Unix process priority, 19 is the lowest.
'';
};
user = mkOption {
type = types.str;
default = "bee";
description = lib.mdDoc ''
User the bee binary should execute under.
'';
};
group = mkOption {
type = types.str;
default = "bee";
description = lib.mdDoc ''
Group the bee binary should execute under.
'';
};
};
};
### implementation
config = mkIf cfg.enable {
assertions = [
{ assertion = (hasAttr "password" cfg.settings) != true;
message = ''
`services.bee.settings.password` is insecure. Use `services.bee.settings.password-file` or `systemd.services.bee.serviceConfig.EnvironmentFile` instead.
'';
}
{ assertion = (hasAttr "swap-endpoint" cfg.settings) || (cfg.settings.swap-enable or true == false);
message = ''
In a swap-enabled network a working Ethereum blockchain node is required. You must specify one using `services.bee.settings.swap-endpoint`, or disable `services.bee.settings.swap-enable` = false.
'';
}
];
warnings = optional (! config.services.bee-clef.enable) "The bee service requires an external signer. Consider setting `config.services.bee-clef.enable` = true";
services.bee.settings = {
data-dir = lib.mkDefault "/var/lib/bee";
password-file = lib.mkDefault "/var/lib/bee/password";
clef-signer-enable = lib.mkDefault true;
clef-signer-endpoint = lib.mkDefault "/var/lib/bee-clef/clef.ipc";
swap-endpoint = lib.mkDefault "https://rpc.slock.it/goerli";
};
systemd.packages = [ cfg.package ]; # include the upstream bee.service file
systemd.tmpfiles.rules = [
"d '${cfg.settings.data-dir}' 0750 ${cfg.user} ${cfg.group}"
];
systemd.services.bee = {
requires = optional config.services.bee-clef.enable
"bee-clef.service";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Nice = cfg.daemonNiceLevel;
User = cfg.user;
Group = cfg.group;
ExecStart = [
"" # this hides/overrides what's in the original entry
"${cfg.package}/bin/bee --config=${configFile} start"
];
};
preStart = with cfg.settings; ''
if ! test -f ${password-file}; then
< /dev/urandom tr -dc _A-Z-a-z-0-9 2> /dev/null | head -c32 > ${password-file}
chmod 0600 ${password-file}
echo "Initialized ${password-file} from /dev/urandom"
fi
if [ ! -f ${data-dir}/keys/libp2p.key ]; then
${cfg.package}/bin/bee init --config=${configFile} >/dev/null
echo "
Logs: journalctl -f -u bee.service
Bee has SWAP enabled by default and it needs ethereum endpoint to operate.
It is recommended to use external signer with bee.
Check documentation for more info:
- SWAP https://docs.ethswarm.org/docs/installation/manual#swap-bandwidth-incentives
- External signer https://docs.ethswarm.org/docs/installation/bee-clef
After you finish configuration run 'sudo bee-get-addr'."
fi
'';
};
users.users = optionalAttrs (cfg.user == "bee") {
bee = {
group = cfg.group;
home = cfg.settings.data-dir;
isSystemUser = true;
description = "Daemon user for Ethereum Swarm Bee";
extraGroups = optional config.services.bee-clef.enable
config.services.bee-clef.group;
};
};
users.groups = optionalAttrs (cfg.group == "bee") {
bee = {};
};
};
}
|